Jobs at Djinni
9505-
Β· 15 views Β· 0 applications Β· 5d
Senior/Middle Data Scientist
Full Remote Β· Ukraine Β· Product Β· 3 years of experience Β· B1 - IntermediateAbout us: Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently...About us:
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Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.
About the client:
Our client is an IT company that develops technological solutions and products to help companies reach their full potential and meet the needs of their users. The team comprises over 600 specialists in IT and Digital, with solid expertise in various technology stacks necessary for creating complex solutions.
About the role:
We are looking for an experienced Senior/Middle Data Scientist with a passion for Large Language Models (LLMs) and cutting-edge AI research. In this role, you will focus on designing and prototyping data preparation pipelines, collaborating closely with data engineers to transform your prototypes into scalable production pipelines, and actively developing model training pipelines with other talented data scientists. Your work will directly shape the quality and capabilities of the models by ensuring we feed them the highest-quality, most relevant data possible.
Requirements:
Education & Experience:
- 3+ years of experience in Data Science or Machine Learning, preferably with a focus on NLP.
- Proven experience in data preprocessing, cleaning, and feature engineering for large-scale datasets of unstructured data (text, code, documents, etc.).
- Advanced degree (Masterβs or PhD) in Computer Science, Computational Linguistics, Machine Learning, or a related field is highly preferred.
NLP Expertise:
- Good knowledge of natural language processing techniques and algorithms.
- Hands-on experience with modern NLP approaches, including embedding models, semantic search, text classification, sequence tagging (NER), transformers/LLMs, RAGs.
- Familiarity with LLM training and fine-tuning techniques.
ML & Programming Skills:
- Proficiency in Python and common data science and NLP libraries (pandas, NumPy, scikit-learn, spaCy, NLTK, langdetect, fasttext).
- Strong experience with deep learning frameworks such as PyTorch or TensorFlow for building NLP models.
- Ability to write efficient, clean code and debug complex model issues.
Data & Analytics:
- Solid understanding of data analytics and statistics.
- Experience in experimental design, A/B testing, and statistical hypothesis testing to evaluate model performance.
- Comfortable working with large datasets, writing complex SQL queries, and using data visualization to inform decisions.
Deployment & Tools:
- Experience deploying machine learning models in production (e.g., using REST APIs or batch pipelines) and integrating with real-world applications.
- Familiarity with MLOps concepts and tools (version control for models/data, CI/CD for ML).
- Experience with cloud platforms (AWS, GCP, or Azure) and big data technologies (Spark, Hadoop, Ray, Dask) for scaling data processing or model training.
Communication & Personality:
- Experience working in a collaborative, cross-functional environment.
- Strong communication skills to convey complex ML results to non-technical stakeholders and to document methodologies clearly.
- Ability to rapidly prototype and iterate on ideas
Nice to have:
Advanced NLP/ML Techniques:
- Familiarity with evaluation metrics for language models (perplexity, BLEU, ROUGE, etc.) and with techniques for model optimization (quantization, knowledge distillation) to improve efficiency.
- Understanding of FineWeb2 or similar processing pipelines approach.
Research & Community:
- Publications in NLP/ML conferences or contributions to open-source NLP projects.
- Active participation in the AI community or demonstrated continuous learning (e.g., Kaggle competitions, research collaborations) indicating a passion for staying at the forefront of the field.
Domain & Language Knowledge:
- Familiarity with the Ukrainian language and context.
- Understanding of cultural and linguistic nuances that could inform model training and evaluation in a Ukrainian context.
- Knowledge of Ukrainian text sources and data sets, or experience with multilingual data processing, can be an advantage given the projectβs focus.
MLOps & Infrastructure:
- Hands-on experience with containerization (Docker) and orchestration (Kubernetes) for ML, as well as ML workflow tools (MLflow, Airflow).
- Experience in working alongside MLOps engineers to streamline the deployment and monitoring of NLP models.
Problem-Solving:
- Innovative mindset with the ability to approach open-ended AI problems creatively.
- Comfort in a fast-paced R&D environment where you can adapt to new challenges, propose solutions, and drive them to implementation.
Responsibilities:
- Design, prototype, and validate data preparation and transformation steps for LLM training datasets, including cleaning and normalization of text, filtering of toxic content, de-duplication, de-noising, detection and deletion of personal data, etc.
- Formation of specific SFT/RLHF datasets from existing data, including data augmentation/labeling with LLM as teacher.
- Analyze large-scale raw text, code, and multimodal data sources for quality, coverage, and relevance.
- Develop heuristics, filtering rules, and cleaning techniques to maximize training data effectiveness.
- Collaborate with data engineers to hand over prototypes for automation and scaling.
- Research and develop best practices and novel techniques in LLM training pipelines.
- Monitor and evaluate data quality impact on model performance through experiments and benchmarks.
- Research and implement best practices in large-scale dataset creation for AI/ML models.
- Document methodologies and share insights with internal teams.
The company offers:
- Competitive salary.
- Equity options in a fast-growing AI company.
- Remote-friendly work culture.
- Opportunity to shape a product at the intersection of AI and human productivity.
- Work with a passionate, senior team building cutting-edge tech for real-world business use. -
Β· 25 views Β· 0 applications Β· 5d
Data Engineer (NLP-Focused)
Full Remote Β· Ukraine Β· Product Β· 3 years of experience Β· B1 - IntermediateAbout us: Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently...About us:
More
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.
About the client:
Our client is an IT company that develops technological solutions and products to help companies reach their full potential and meet the needs of their users. The team comprises over 600 specialists in IT and Digital, with solid expertise in various technology stacks necessary for creating complex solutions.
About the role:
We are looking for a Data Engineer (NLP-Focused) to build and optimize the data pipelines that fuel the Ukrainian LLM and NLP initiatives. In this role, you will design robust ETL/ELT processes to collect, process, and manage large-scale text and metadata, enabling the Data Scientists and ML Engineers to develop cutting-edge language models.
You will work at the intersection of data engineering and machine learning, ensuring that the datasets and infrastructure are reliable, scalable, and tailored to the needs of training and evaluating NLP models in a Ukrainian language context.
Requirements:
- Education & Experience: 3+ years of experience as a Data Engineer or in a similar role, building data-intensive pipelines or platforms. A Bachelorβs or Masterβs degree in Computer Science, Engineering, or a related field is preferred. Experience supporting machine learning or analytics teams with data pipelines is a strong advantage.
- NLP Domain Experience: Prior experience handling linguistic data or supporting NLP projects (e.g., text normalization, handling different encodings, tokenization strategies). Knowledge of Ukrainian text sources and data sets, or experience with multilingual data processing, can be an advantage given the projectβs focus.
Understanding of FineWeb2 or a similar processing pipeline approach.
- Data Pipeline Expertise: Hands-on experience designing ETL/ELT processes, including extracting data from various sources, using transformation tools, and loading into storage systems. Proficiency with orchestration frameworks like Apache Airflow for scheduling workflows. Familiarity with building pipelines for unstructured data (text, logs) as well as structured data.
- Programming & Scripting: Strong programming skills in Python for data manipulation and pipeline development. Experience with NLP packages (spaCy, NLTK, langdetect, fasttext, etc.). Experience with SQL for querying and transforming data in relational databases. Knowledge of Bash or other scripting for automation tasks. Writing clean, maintainable code and using version control (Git) for collaborative development.
- Databases & Storage: Experience working with relational databases (e.g., PostgreSQL, MySQL), including schema design and query optimization. Familiarity with NoSQL or document stores (e.g., MongoDB) and big data technologies (HDFS, Hive, Spark) for large-scale data is a plus. Understanding of or experience with vector databases (e.g., Pinecone, FAISS) is beneficial, as the NLP applications may require embedding storage and fast similarity search.
- Cloud Infrastructure: Practical experience with cloud platforms (AWS, GCP, or Azure) for data storage and processing. Ability to set up services such as S3/Cloud Storage, data warehouses (e.g., BigQuery, Redshift), and use cloud-based ETL tools or serverless functions. Understanding of infrastructure-as-code (Terraform, CloudFormation) to manage resources is a plus.
- Data Quality & Monitoring: Knowledge of data quality assurance practices. Experience implementing monitoring for data pipelines (logs, alerts) and using CI/CD tools to automate pipeline deployment and testing. An analytical mindset to troubleshoot data discrepancies and optimize performance bottlenecks.
- Collaboration & Domain Knowledge: Ability to work closely with data scientists and understand the requirements of machine learning projects. Basic understanding of NLP concepts and the data needs for training language models, so you can anticipate and accommodate the specific forms of text data and preprocessing they require. Good communication skills to document data workflows and to coordinate with team members across different functions.
Responsibilities:
- Design, develop, and maintain ETL/ELT pipelines for gathering, transforming, and storing large volumes of text data and related information.
- Ensure pipelines are efficient and can handle data from diverse sources (e.g., web crawls, public datasets, internal databases) while maintaining data integrity.
- Implement web scraping and data collection services to automate the ingestion of text and linguistic data from the web and other external sources. This includes writing crawlers or using APIs to continuously collect data relevant to the language modeling efforts.
- Implementation of NLP/LLM-specific data processing: cleaning and normalization of text, like filtering of toxic content, de-duplication, de-noising, detection, and deletion of personal data.
- Formation of specific SFT/RLHF datasets from existing data, including data augmentation/labeling with LLM as teacher.
- Set up and manage cloud-based data infrastructure for the project. Configure and maintain data storage solutions (data lakes, warehouses) and processing frameworks (e.g., distributed compute on AWS/GCP/Azure) that can scale with growing data needs.
- Automate data processing workflows and ensure their scalability and reliability.
- Use workflow orchestration tools like Apache Airflow to schedule and monitor data pipelines, enabling continuous and repeatable model training and evaluation cycles.
- Maintain and optimize analytical databases and data access layers for both ad-hoc analysis and model training needs.
- Work with relational databases (e.g., PostgreSQL) and other storage systems to ensure fast query performance and well-structured data schemas.
- Collaborate with Data Scientists and NLP Engineers to build data features and datasets for machine learning models.
- Provide data subsets, aggregations, or preprocessing as needed for tasks such as language model training, embedding generation, and evaluation.
- Implement data quality checks, monitoring, and alerting. Develop scripts or use tools to validate data completeness and correctness (e.g., ensuring no critical data gaps or anomalies in the text corpora), and promptly address any pipeline failures or data issues. Implement data version control.
- Manage data security, access, and compliance.
- Control permissions to datasets and ensure adherence to data privacy policies and security standards, especially when dealing with user data or proprietary text sources.
The company offers:
- Competitive salary.
- Equity options in a fast-growing AI company.
- Remote-friendly work culture.
- Opportunity to shape a product at the intersection of AI and human productivity.
- Work with a passionate, senior team building cutting-edge tech for real-world business use. -
Β· 27 views Β· 1 application Β· 5d
Senior/Middle Data Scientist (Data Preparation, Pre-training)
Full Remote Β· Ukraine Β· Product Β· 3 years of experience Β· B1 - IntermediateAbout us: Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently...About us:
More
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.
About the client:
Our client is an IT company that develops technological solutions and products to help companies reach their full potential and meet the needs of their users. The team comprises over 600 specialists in IT and Digital, with solid expertise in various technology stacks necessary for creating complex solutions.
About the role:
We are looking for an experienced Senior/Middle Data Scientist with a passion for Large Language Models (LLMs) and cutting-edge AI research. In this role, you will focus on designing and prototyping data preparation pipelines, collaborating closely with data engineers to transform your prototypes into scalable production pipelines, and actively developing model training pipelines with other talented data scientists. Your work will directly shape the quality and capabilities of the models by ensuring we feed them the highest-quality, most relevant data possible.
Requirements:
Education & Experience:
- 3+ years of experience in Data Science or Machine Learning, preferably with a focus on NLP.
- Proven experience in data preprocessing, cleaning, and feature engineering for large-scale datasets of unstructured data (text, code, documents, etc.).
- Advanced degree (Masterβs or PhD) in Computer Science, Computational Linguistics, Machine Learning, or a related field is highly preferred.
NLP Expertise:
- Good knowledge of natural language processing techniques and algorithms.
- Hands-on experience with modern NLP approaches, including embedding models, semantic search, text classification, sequence tagging (NER), transformers/LLMs, RAGs.
- Familiarity with LLM training and fine-tuning techniques.
ML & Programming Skills:
- Proficiency in Python and common data science and NLP libraries (pandas, NumPy, scikit-learn, spaCy, NLTK, langdetect, fasttext).
- Strong experience with deep learning frameworks such as PyTorch or TensorFlow for building NLP models.
- Ability to write efficient, clean code and debug complex model issues.
Data & Analytics:
- Solid understanding of data analytics and statistics.
- Experience in experimental design, A/B testing, and statistical hypothesis testing to evaluate model performance.
- Comfortable working with large datasets, writing complex SQL queries, and using data visualization to inform decisions.
Deployment & Tools:
- Experience deploying machine learning models in production (e.g., using REST APIs or batch pipelines) and integrating with real-world applications.
- Familiarity with MLOps concepts and tools (version control for models/data, CI/CD for ML).
- Experience with cloud platforms (AWS, GCP, or Azure) and big data technologies (Spark, Hadoop, Ray, Dask) for scaling data processing or model training.
Communication & Personality:
- Experience working in a collaborative, cross-functional environment.
- Strong communication skills to convey complex ML results to non-technical stakeholders and to document methodologies clearly.
- Ability to rapidly prototype and iterate on ideas
Nice to have:
Advanced NLP/ML Techniques:
- Familiarity with evaluation metrics for language models (perplexity, BLEU, ROUGE, etc.) and with techniques for model optimization (quantization, knowledge distillation) to improve efficiency.
- Understanding of FineWeb2 or similar processing pipelines approach.
Research & Community:
- Publications in NLP/ML conferences or contributions to open-source NLP projects.
- Active participation in the AI community or demonstrated continuous learning (e.g., Kaggle competitions, research collaborations) indicating a passion for staying at the forefront of the field.
Domain & Language Knowledge:
- Familiarity with the Ukrainian language and context.
- Understanding of cultural and linguistic nuances that could inform model training and evaluation in a Ukrainian context.
- Knowledge of Ukrainian text sources and data sets, or experience with multilingual data processing, can be an advantage given the projectβs focus.
MLOps & Infrastructure:
- Hands-on experience with containerization (Docker) and orchestration (Kubernetes) for ML, as well as ML workflow tools (MLflow, Airflow).
- Experience in working alongside MLOps engineers to streamline the deployment and monitoring of NLP models.
Problem-Solving:
- Innovative mindset with the ability to approach open-ended AI problems creatively.
- Comfort in a fast-paced R&D environment where you can adapt to new challenges, propose solutions, and drive them to implementation.
Responsibilities:
- Design, prototype, and validate data preparation and transformation steps for LLM training datasets, including cleaning and normalization of text, filtering of toxic content, de-duplication, de-noising, detection and deletion of personal data, etc.
- Formation of specific SFT/RLHF datasets from existing data, including data augmentation/labeling with LLM as teacher.
- Analyze large-scale raw text, code, and multimodal data sources for quality, coverage, and relevance.
- Develop heuristics, filtering rules, and cleaning techniques to maximize training data effectiveness.
- Collaborate with data engineers to hand over prototypes for automation and scaling.
- Research and develop best practices and novel techniques in LLM training pipelines.
- Monitor and evaluate data quality impact on model performance through experiments and benchmarks.
- Research and implement best practices in large-scale dataset creation for AI/ML models.
- Document methodologies and share insights with internal teams.
The company offers:
- Competitive salary.
- Equity options in a fast-growing AI company.
- Remote-friendly work culture.
- Opportunity to shape a product at the intersection of AI and human productivity.
- Work with a passionate, senior team building cutting-edge tech for real-world business use. -
Β· 62 views Β· 8 applications Β· 5d
VIP Retention Manager (iGaming)
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 0.5 years of experience Β· C1 - AdvancedAre you passionate about building strong relationships and delivering first-class service? Join our dynamic team as a VIP Retention Manager and become the key point of contact for our most valued players. If you have experience in iGaming, a...Are you passionate about building strong relationships and delivering first-class service? Join our dynamic team as a VIP Retention Manager and become the key point of contact for our most valued players. If you have experience in iGaming, a customer-first mindset, and thrive in a fast-paced environment, this is the perfect opportunity for you!
Main responsibilities:
- Build and maintain strong relationships with our highest-value playersβacting as their trusted advisor to keep them engaged, happy, and spending.
- Use powerful data-driven tools to identify and connect with VIP players, focusing on high-impact interactions that boost retention and drive revenue.
- Grow the VIP segment by increasing player lifetime value, hitting growth targets, and minimizing churnβevery player counts, and so does their contribution to the bottom line.
- Understand what makes VIPs tickβfrom play styles to spending habitsβand use those insights to drive monetization strategies.
- Communicate clearly and effectively across email, chat, calls, and in-person events to build loyalty and create real, lasting connections with top-tier players.
- Stay on top of our product roadmap and keep VIPs excited and engaged through product updates, exclusive previews, and focus sessions.
- Work closely with internal teams to turn VIP feedback and data into actionable ideas that boost player satisfaction and profitability.
- Monitor player metrics and performance to deliver timely incentives, bonuses, and offers that directly support revenue and retention goals.
Actively collect feedback from our high-value players and bring those insights to the table to shape better business decisions.
What weβre looking for:
- Sales, Account Management, or Player Development Background β Especially within gaming, casino, or other monetization-focused environments.
- CRM Proficiency β Youβve worked with tools like LiveChat, Helpdesk, or similar platforms to track player behavior and manage interactions.
- Fluent English (C1 Level or Higher) β Youβll be working with native-speaker players and need to communicate clearly and confidently.
- Strong Communicator β You know how to keep conversations strategic and value-driven, not just friendly. You get the players because you are one. You understand the culture, the excitement, and what keeps people coming back.
- Instant Messaging Know-How β Youβre comfortable handling communications over platforms like WhatsApp, or similar IM tools.
- Results-Oriented β Youβre motivated by growth targets, profit goals, and player valueβyou love seeing the numbers go up.
- Analytical Mindset β Youβre comfortable working with player data to spot trends, identify opportunities, and make smart decisions.
- Proven Impact β Youβve helped drive revenue, scale programs, or improve retention through player engagement strategies.
Gaming Savvy β You get the gaming world and speak the same language as our players. Passion + product understanding = impact
What we offer:
- We offer a competitive salary that matches your skills and experience;
- Work from anywhere and keep a good work-life balance;
- Paid vacation and sick leave;
- Work with a supportive and creative team.
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Β· 50 views Β· 3 applications Β· 5d
Senior Software Engineer (Python)
Full Remote Β· Poland Β· 10 years of experience Β· C1 - AdvancedOur client is an early-stage, stealth AI startup on a mission to change how engineering orgs solve bugs. Theyβre hiring our first founding engineer to help shape their proof of concept into a production-ready MVP. Youβll play a key role in both product...Our client is an early-stage, stealth AI startup on a mission to change how engineering orgs solve bugs.
Theyβre hiring our first founding engineer to help shape their proof of concept into a production-ready MVP. Youβll play a key role in both product and technical direction from day one.
Requirements
- 10+ years of engineering experience
- 4+ years of Python development
- Strong backend development and production experience
- Ability to work independently in a fast-paced environment
Bonus
- Experience building systems with LLMs
- DevOps and cloud background
- Experience with other languages (Java, C, C++, JavaScript, TypeScript)
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Β· 12 views Β· 0 applications Β· 5d
Sales Development Representative (B2B)
Hybrid Remote Β· Estonia, Ukraine (Mykolaiv) Β· Product Β· 3 years of experience Β· C1 - AdvancedAbout us: PRNEWS.IO is a global content marketing platform that connects brands with media outlets around the world. Headquartered in Northern Europe, we empower international brands to gain media exposure while helping news publishers monetize their...About us:
PRNEWS.IO is a global content marketing platform that connects brands with media outlets around the world. Headquartered in Northern Europe, we empower international brands to gain media exposure while helping news publishers monetize their content. Our clients are located all over the world, including Europe, the US, and Asia, with a growing strategic focus on expanding our presence and market share in the United States.
At PRNEWS.IO, you'll join a dynamic, international team that thrives in a fast-paced environment and shares a passion for global communication. We operate based on four core values: ambition, innovation, credibility, and cooperation. And we believe in aligning our work with purpose. These values define who we are and who we strive to become.
Job Description
This is a remote position.
About the Role
We're looking for a Sales Development Representative (B2B) to join our global Sales team. Youβll play a key role in driving new business and expanding PRNEWS.IO's customer base.
What Youβll Do- Research and analyze prospect profiles to understand their needs and background
- Reach out to leads via emails, calls, and social media to spark interest in PRNEWS.IOβs solutions
- Qualify leads by identifying key information (budget, needs, timeline, decision-making process
- Book discovery calls and product demos for Sales Executives with qualified prospect
- Maintain accurate records of lead interactions in CRM and ensure timely task management
- Nurture long-term leads with personalized and consistent follow-up communication
- Collaborate with the sales and marketing teams to share feedback and improve conversion rate
- Monitor lead conversion, source performance, and key sales metrics
- Contribute ideas to improve processes and overall customer experience
- Actively participate in team meetings, support colleagues, and share insight
Report regularly to your direct supervisor and follow through on assigned goals and KPI's
Requirements
- 3+ years of experience in a similar SDR/Lead Generation/Sales role (ideally in advertising, SaaS, or digital services)
- Excellent communication and interpersonal skills
- Fluency in English + Russian or Ukrainian (written and spoken); Estonian is a massive plus
- Hands-on experience with CRM systems and sales tools
- Strong research, analytical, and time management skills
- Goal-oriented mindset and drive to meet and exceed KPIs
- Ability to work independently in a remote-first environment
- Curiosity about media, PR, and digital marketing trends
Benefits- Flexibility to work remotely or in a hybrid setup
- Competitive compensation with performance-based bonuses
- Fast-growing international company
- Dynamic team with diverse backgrounds and a startup spirit
- Paid vacation & team referral bonuses
- Opportunity to grow into Account Executive or Customer Success roles
- Direct influence on company growth and visibility
Ready to help raise the bar for how our Sales team connects with clients? Join PRNEWS.IO as a Sales Development Representative and help us deliver consistent, high-quality customer interactions across every touchpoint.
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Β· 42 views Β· 9 applications Β· 5d
Tech Lead (Python/Django and React)
Full Remote Β· Worldwide Β· 5 years of experience Β· B2 - Upper IntermediateUvik Software is looking for a Tech Lead (Python/Django and React) who loves combining hands-on coding (~70%) with architectural leadership. You will define the technical vision, design scalable systems, and ensure best practices across the stackβwhile...Uvik Software is looking for a Tech Lead (Python/Django and React) who loves combining hands-on coding (~70%) with architectural leadership. You will define the technical vision, design scalable systems, and ensure best practices across the stackβwhile still writing code and shipping features.
About the Project
We are building a platform that connects nonprofits and small businesses with skilled volunteers, helping them tackle complex challenges and maximize their impact. Our mission is to close the resource gap that 92% of nonprofits face by giving them access to expertise in marketing, HR, technology, strategy, and more. Volunteers contribute to causes they care about, while organizations gain the support they need to achieve their vision.
This role is ideal for someone who enjoys being both a builder and a strategist: leading technical decision-making, mentoring engineers, and architecting systems that last.
πWork schedule: according to US time
π Tech Stack
- Backend: Django, PostgreSQL, OpenAI API, Klaviyo, ElasticSearch, SendGrid
- Frontend: React, Vite, TailwindCSS
DevOps / Infra: Render, AWS
π― Responsibilities
- Lead the design and development of scalable, secure, and maintainable architecture
- Own technical decisions, architecture guidelines, coding standards, and best practices
- Contribute ~70% of your time to hands-on development (Django, PostgreSQL, APIs, React)
- Architect and optimize data flows, integrations, and APIs (search, messaging, interoperability)
- Integrate external services (OpenAI API, Klaviyo, SendGrid)
- Build and maintain CI/CD pipelines and infrastructure (AWS, Render)
- Ensure scalability, performance, and fault tolerance
- Conduct code reviews, mentor engineers, and drive knowledge-sharing
- Collaborate with product and design teams to align business needs with technical solutions
Balance short-term delivery with a long-term architectural vision
β Requirements
- 5+ years in software engineering, including 2+ years as a Lead or Architect
- Strong expertise in Python (Django) and React
- Proven experience designing and implementing scalable architectures (microservices, modular monoliths, or hybrids)
- Solid knowledge of PostgreSQL, ElasticSearch, and API design
- Experience with AWS (Render experience is a plus)
- Familiarity with architecture patterns (event-driven, modular, layered, serverless)
- Understanding of DevOps practices: CI/CD, observability, IaC
- Excellent leadership, communication, and mentoring skills
- English B2βC1: confident in technical discussions, client communication, and documentation
π Nice to Have
- Experience designing architectures for SaaS or platform-based solutions
- Previous work in nonprofit / social impact projects
- Knowledge of AI/ML integration patterns
- Familiarity with serverless deployments and microservices orchestration
π What We Offer
- Architectural ownership β shape the technical future of the platform
- Mission-driven work β build products with real social impact
- 100% remote & flexible hours β freedom to work the way you work best
- Modern stack & autonomy β use cutting-edge tech with freedom to innovate
- Collaborative team culture β supportive, high-trust environment
- Competitive compensation + opportunities for growth
π© Ready to lead and build with impact? Apply now and help us create a platform that empowers organizations and changes lives.
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Β· 55 views Β· 18 applications Β· 5d
Chief Business Development Officer
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· C1 - AdvancedArounda is a full-cycle Digital Product Design and Development agency, operating on the market since 2016. Our main clients are American and European technological companies. We are looking for a Chief Business Development Officer who will join our...Arounda is a full-cycle Digital Product Design and Development agency, operating on the market since 2016. Our main clients are American and European technological companies.
We are looking for a Chief Business Development Officer who will join our fast-growing team and lead the sales process and develop new successful client acquisition strategies.
You are the perfect fit if you have:
- At least 3 years' experience as a Sales Manager / Business Development Manager in IT, with 1+ years in a leadership/Head position;
- Extensive experience with the design agency or software development company;
- Experience in Bizdev Lead Generation and Marketing management of IT services;
- Fluent in written and spoken English;
- Understanding of best practices for attracting potential customers;
- High level of self-organization, discipline, strategic direction and results-based;
- Strong negotiation and contract signing skills;
- Solid understanding of the B2B sales cycle and service company operations;
- Experience with CRM systems and automatic communication systems;
- You are motivated to join a company at a growing stage and play a critical role in success, process creation and account management;
Responsibilities:
- Develop and implement the agencyβs growth and client acquisition strategy;
- Manage and grow the Business Development team;
- Maintaining the Engagement funnel, conducting Upsale, Cross-sale from Bizdev & Head of Project Management;
- Growing our network, identifying business opportunities, and selling our services to new customers;
- Generate leads and convert them into long-term clients;
- Monitoring Project Managers in receiving timely and positive feedback from clients on Clutch, Upwork;
- Set up and optimize processes for sales and account management;
- Negotiate and sign contracts with international clients;
- Conduct market and competitor research to identify growth opportunities;
- Use a set of tools and frameworks to ensure optimal outcomes;
We will offer:
- Interesting foreign projects;
- Market salary (depending on level);
- Flexible work schedule from 8:00/12:00 to 16:00/20:00;
- Education and trainings are partially paid by the agency;
We look forward to your CV and a cover letter explaining why you want to work for our company. A cover letter is optional and not required as part of your application.
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Β· 27 views Β· 2 applications Β· 5d
Data Scientist
Full Remote Β· Countries of Europe or Ukraine Β· 4 years of experience Β· C1 - AdvancedWe are looking for a Data Scientist to support a Data & AI team. The role is focused on developing scalable AI/ML solutions and integrating Generative AI into evolving business operations. About the Role As a Data Scientist, you will: Collaborate with...We are looking for a Data Scientist to support a Data & AI team. The role is focused on developing scalable AI/ML solutions and integrating Generative AI into evolving business operations.
About the RoleAs a Data Scientist, you will:
- Collaborate with Product Owners, Data Analysts, Data Engineers, and ML Engineers to design, develop, deploy, and monitor scalable AI/ML products.
- Lead initiatives to integrate Generative AI into business processes.
- Work closely with business stakeholders to understand challenges and deliver tailored data-driven solutions.
- Monitor model performance and implement improvements.
- Apply best practices in data science and ML for sustainable, high-quality results.
- Develop and fine-tune models with a strong focus on accuracy and business value.
- Leverage cutting-edge technologies to drive innovation and efficiency.
- Stay updated on advancements in AI and data science, applying new techniques to ongoing processes.
About the CandidateWe are looking for a professional with strong analytical and technical expertise.
Must have:- 3+ years of hands-on experience in Data Science and ML.
- Experience with recommendation systems and prescriptive analytics.
- Proficiency in Python, SQL, and ML libraries/frameworks.
- Proven experience developing ML models and applying statistical methods.
- Familiarity with containerization and orchestration tools.
- Excellent communication skills and strong command of English.
- Bachelorβs or Masterβs degree in Computer Science, Statistics, Physics, or Mathematics.
Nice to have:- Experience with Snowflake.
- Exposure to Generative AI and large language models.
- Knowledge of AWS services.
- Familiarity with NLP models (including transformers).
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Β· 48 views Β· 0 applications Β· 5d
Marketing Content Writer
Hybrid Remote Β· Ukraine (Vinnytsia, Dnipro, Ivano-Frankivsk + 2 more cities) Β· 2 years of experience Β· C1 - AdvancedN-iX is seeking a highly experienced Marketing Content Writer to join our team. You will play a key role as a member of the N-iX Marketing Team, crafting impactful content to promote N-iX and its services to global audiences. If you are proficient in...N-iX is seeking a highly experienced Marketing Content Writer to join our team. You will play a key role as a member of the N-iX Marketing Team, crafting impactful content to promote N-iX and its services to global audiences. If you are proficient in English and aspire to contribute to a dynamic, multi-functional team, we invite you to explore this opportunity further.
Essential Duties and Responsibilities:
- Write thought-provoking content that resonates with target audiences
- Engage with colleagues across the company to create unique content that reflects our customer value proposition
- Collaborate with domain and tech experts to produce powerful content that showcases the companyβs expertise
- Blog on an ongoing basis to promote company services, increase brand awareness, attract site visitors, and generate leads
- Develop a broad range of high-quality marketing copies, such as blogs, landing pages, case studies, etc.
- Continuously work on improving content on the companyβs global website: n-ix.com
- Collaborate with SEO experts to make sure all website content is optimized for search engines
- Gather insights and conduct market research
- Work with designers to create appealing visuals.
Qualifications:
- Passion for writing and a strong interest in marketing and tech
- Advanced+ level of English
- 2+ years of commercial writing experience
- Excellent writing skills in English
- Experience in digital marketing, advertising, tech, or related fields
- Sound knowledge of SEO best practices for the creation of digital content
- Experience in prompting and navigating AI tools, such as ChatGPT
- Ability to translate complex concepts into clear and easy-to-understand content that resonates with a variety of audiences
- Attention to detail
- Strong analytical skills
- Ability to work independently, a positive team-oriented attitude
Collaborative working style.
We offer*:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
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Β· 102 views Β· 21 applications Β· 5d
Strong Senior Full Stack developer
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateWe are a leading player in the Israeli market for quality control and safety in construction, boasting significant traction and a recent $11 million Round A funding for our US expansion. Our product is a mobile and web application designed to ensure the...We are a leading player in the Israeli market for quality control and safety in construction, boasting significant traction and a recent $11 million Round A funding for our US expansion. Our product is a mobile and web application designed to ensure the highest standards in construction safety and quality.
Tech Stack
Languages: JavaScript, TypeScript
Frontend: React, ReactNative, MobX
Backend: NodeJS, GraphQL
Database: MySQL
Team Composition
Product Team: 4 Product Owners, 1 UX Designer, 1 CTO, 3 Team Leads, 2 Architects, 5 QA Engineers, 14 FullStack Developers, Sales and Support Team
We have already successfully onboarded 3 talented developers to work on this exciting project, and weβre looking for a 4th Senior FullStack Developer to complete our growing team.
Role Overview
As a Senior FullStack Developer, you will focus on setting and maintaining technical standards, architectural decisions, and ensuring high-quality code. You will tackle challenging features, build foundational structures, and either develop them yourself or collaborate with the team.
New developer will work not only on tech.debts but also on product features (precise proportion is not defined yet, could dynamic, change over time)
At this stage of development, the task proportions are expected to be distributed as follows: 80% frontend and 20% backend.
Primary Responsibilities:
- Coding & Estimation (80%): Write high-quality code, break down tasks with the Team Lead, and deliver robust features.
- Code Review & Mentoring (20%): Review code to ensure adherence to standards, share knowledge, and mentor team members.
Key Competencies:
- Strong performance optimization skills
- Debugging assistance and skill sharing
- Attention to detail and bug-free delivery
Quality Metrics:
- Uptime/SLA and other performance metrics
- Minimal performance issues and bugs
- Fault tolerance and problem minimization
What We Offer
- Culture: Transparent, sincere, and straightforward culture with a focus on software craftsmanship.
- Employment Type: Self-employment contract with an adult attitude.
- Work Schedule: 10 working months per year, 2 months paid time off (not exceeding 2-3 weeks at a time).
- Workspace: Office space available for co-working as needed.
- Education & Development: Coverage of 25% to 75% of costs for education and self-development.
- Career Growth: Opportunities to grow into a business partner with profit-sharing potential.
Our Recruitment Stages
We are looking for a talented Senior FullStack developer to join our R&D team and help us reach new heights in the field of construction quality and safety. Here are the recruitment stages the candidate will go through:
- HR Interview ~1h
- The first meeting with our HR manager to discuss general questions, learn about the company, and understand your work expectations.
- Home Task ~1,5-4h (We guarantee that you will receive comprehensive feedback on the completed task)
- A practical task you will complete at home. It will help us assess your technical skills and approach to problem-solving.
- Technical Interview + Live Coding ~1-1,5h
- A meeting with our technical specialist to discuss your home task solution, followed by live coding to evaluate your skills in real-time.
- Interview with the CTO ~30min
- An interview with our Chief Technical Officer to discuss your experience, vision for development, and alignment with our culture.
- HR Interview with the Customer ~30min
- The final meeting with our HR manager and our customer to clarify details and make the final decision.
- The final meeting with our HR manager and our customer to clarify details and make the final decision.
Join us and be part of a team thatβs making a significant impact on construction safety and quality through cutting-edge technology. If you are passionate about coding, mentoring, and setting high standards, we would love to hear from you!
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Β· 6 views Β· 0 applications Β· 5d
Business Development Representative
Hybrid Remote Β· Estonia, Ukraine (Mykolaiv) Β· Product Β· 3 years of experience Β· C1 - AdvancedAbout us PRNEWS.IO is a global content marketing platform that connects brands with media outlets around the world. Headquartered in Northern Europe, we empower international brands to gain media exposure while helping news publishers monetize their...About us
PRNEWS.IO is a global content marketing platform that connects brands with media outlets around the world. Headquartered in Northern Europe, we empower international brands to gain media exposure while helping news publishers monetize their content. Our clients are located all over the world, including Europe, the US, and Asia, with a growing strategic focus on expanding our presence and market share in the United States.
At PRNEWS.IO, you'll join a dynamic, international team that thrives in a fast-paced environment and shares a passion for global communication. We operate based on four core values: ambition, innovation, credibility, and cooperation. And we believe in aligning our work with purpose. These values define who we are and who we strive to become.
Job Description
This is a remote position.
About the Role
We're looking for a Sales Development Representative (B2B) to join our global Sales team. Youβll play a key role in driving new business and expanding PRNEWS.IO's customer base.
What Youβll Do- Research and analyze prospect profiles to understand their needs and background
- Reach out to leads via emails, calls, and social media to spark interest in PRNEWS.IOβs solutions
- Qualify leads by identifying key information (budget, needs, timeline, decision-making process
- Book discovery calls and product demos for Sales Executives with qualified prospect
- Maintain accurate records of lead interactions in CRM and ensure timely task management
- Nurture long-term leads with personalized and consistent follow-up communication
- Collaborate with the sales and marketing teams to share feedback and improve conversion rate
- Monitor lead conversion, source performance, and key sales metrics
- Contribute ideas to improve processes and overall customer experience
- Actively participate in team meetings, support colleagues, and share insight
Report regularly to your direct supervisor and follow through on assigned goals and KPI's
Requirements
- 3+ years of experience in a similar SDR/Lead Generation/Sales role (ideally in advertising, SaaS, or digital services)
- Excellent communication and interpersonal skills
- Fluency in English + Russian or Ukrainian (written and spoken); Estonian is a massive plus
- Hands-on experience with CRM systems and sales tools
- Strong research, analytical, and time management skills
- Goal-oriented mindset and drive to meet and exceed KPIs
- Ability to work independently in a remote-first environment
- Curiosity about media, PR, and digital marketing trends
Benefits- Flexibility to work remotely or in a hybrid setup
- Competitive compensation with performance-based bonuses
- Fast-growing international company
- Dynamic team with diverse backgrounds and a startup spirit
- Paid vacation & team referral bonuses
- Opportunity to grow into Account Executive or Customer Success roles
- Direct influence on company growth and visibility
Ready to help raise the bar for how our Sales team connects with clients? Join PRNEWS.IO as a Sales Development Representative and help us deliver consistent, high-quality customer interactions across every touchpoint.
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Β· 18 views Β· 9 applications Β· 5d
MLOps Engineer for Semantic Data Platform
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateSummary * We are looking for a Senior MLOps/DevOps Engineer with Data Architecture, AI/ML skills, who will work on developing an AI platform with federated learning, cross-organization, and cross-domain collaboration. * Early-stage European startup *...Summary
* We are looking for a Senior MLOps/DevOps Engineer with Data Architecture, AI/ML skills, who will work on developing an AI platform with federated learning, cross-organization, and cross-domain collaboration.
* Early-stage European startup
* Full-time long-term engagement.Project Description
We are in the early stages of building a next-generation AI platform for creating, orchestrating, and durably executing data and ML workflows across heterogeneous data environments, streamlining cross-organization and cross-domain collaboration.
The platform is a tool for data engineers and data scientists who deal with ontology, data extraction, workflow orchestration, and execute pipelines with multiple sources.
Some of the featured functions:
- Source connection and data interpretation
- Automated ontology and knowledge graph creation
- Self-healing infrastructure with semantic understanding
- Custom data pipeline building capabilities
- Bridge semantic and structural data gaps, and advanced ontology extraction.
Primary Responsibilities Include
- Infrastructure architecture: Platform from scratch, including integrating contextualization and schema mapping models into real-time workflows, metadata management, and end-to-end integration of system components.
- Collaborate with stakeholders (manage AI/ML complexities and contribute to system design)
- AWS Cloud Infrastructure
- Pipelines: Set up and optimize CI/CD pipelines (Python, Terraform, Kubernetes, Airflow) for custom ML and data workflows.
- Deployment and monitoring Models: Deploy proprietary and third-party ML models, logging, performance reliability, and error detection.
- Reliability and Automation: Automate infrastructure provisioning, testing, and deployment with Terraform, embedding fault-tolerance and observability to minimize downtime in complex and multi-source environments.
- Security & Compliance: Implement zero-trust security (e.g., attribute-based/role-based access control, encryption, and SSO)
- Collaboration & Mentorship: Work together with the lead AI engineer and other stakeholders in order to co-design orchestration tools and contribute to system design.
DevOps/MLOps Role Requirements
- Lead infrastructure scaling efforts as first/early DevOps hire
- AWS cloud
- GitHub Actions (or similar CI/CD), Kubernetes, MLOps (model deployment, versioning, monitoring)
- Python proficiency essential, GoLang beneficial
- Database knowledge: Postgres, Redis (required), Neo4j (nice-to-have)
- Monitoring tools: CloudWatch, Prometheus, Grafana, OpenTelemetry, Jaeger
- Infrastructure-as-Code experience (e.g., Terraform/OpenTofu)
General Team Skills Coverage:
- Ontologies, Semantics, Knowledge Graphs
- Data contextualization & transformation
- Data federation & correlation
- Time-series data & streaming data handling
- RPA - Robotic Process Automation
- MLOps
- Policy engines
- Backend (Go, Python)
- Databases
- Infrastructure and DevOps (AWS)
- Security & Zero Trust (attribute-based access control, role-based access control, encryption, SSO)
- API & codeless integration agents (Zapier-like functionality)
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Β· 94 views Β· 9 applications Β· 5d
Flutter Engineer
Hybrid Remote Β· Ukraine (Kyiv) Β· 5 years of experience Β· B2 - Upper IntermediateSummary A Flutter Engineer is needed to join the Home Automation and Security mobile team. This is a long-term full-time remote/hybrid position. Requirements: 3+ years of experience in Flutter, RESTful APIs, widgets, Reactive Programming (e.g., Streams,...Summary
A Flutter Engineer is needed to join the Home Automation and Security mobile team. This is a long-term full-time remote/hybrid position. Requirements: 3+ years of experience in Flutter, RESTful APIs, widgets, Reactive Programming (e.g., Streams, RxDart), State management (Redux or similar, e.g., Provider, Bloc), TDD would be an advantage.
Required Experience & Qualifications
- In-depth experience with Flutter architecture and widget lifecycle
- Strong knowledge of Reactive Programming(e.g. Streams, RxDart)
- 3+ years of professional experience in iOS or Android development
- Solid understanding of Object-Oriented Programming (OOP) and SOLID principles
- Practical, hands-on experience with RESTful APIs
- Proficiency in Redux or other state management solutions (e.g., Provider, Bloc)
- Familiarity with Test-Driven Development (TDD) and writing unit tests
What We Offer
- Option to work remotely (or from office in Kyiv, Ukraine)
- Flexible 8-hour workday
- 20 paid vacation days annually
- Health insurance package
- A professional, growth-oriented environment
Responsibilities:
- Develop and maintain cross-platform Flutter applications
- Write clean, testable code and maintain unit tests
- Perform regular code reviews and ensure code quality
- Collaborate on defining and improving application architecture
About the Project:
You will join an international development team of one of the global leaders in intelligent automation, advanced energy solutions, security and fire protection. With over 140 years of innovation, we develop cutting-edge technologies that enhance efficiency, safety, and comfort in buildings worldwide. Our mission is to create a smarter, healthier, and more sustainable future through intelligent automation and advanced energy solutions.
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Β· 24 views Β· 6 applications Β· 5d
Sales / Lead-Gen (Game-Hosting B2B)
Full Remote Β· Worldwide Β· Product Β· 2 years of experience Β· C1 - AdvancedWho We Are Godlike.Host is a European game-hosting provider. Our core market is gamers who spin up their own Minecraft, Rust, or ARK servers. We run powerful infrastructure, offer a rock-solid product, maintain racks in both the US and Europe, rely on...π Who We Are
Godlike.Host is a European game-hosting provider. Our core market is gamers who spin up their own Minecraft, Rust, or ARK servers. We run powerful infrastructure, offer a rock-solid product, maintain racks in both the US and Europe, rely on heavy automation, provide 24/7 support, and enjoy a loyal user base. Until now weβve grown through B2C, but weβre ready to launch a systematic B2B channelβserving game studios, commercial server teams, and large custom projects.
ππ»ββοΈ What Youβll Do
- Find the right B2B clientsβgame studios, mid- to large-scale game projects, mini-game developers, and more.
- Run outreach via LinkedIn, Discord, email, and any other channels that work.
- Nurture leads: hold discovery calls, present the product, and close deals.
- Interview current B2B customers to gather feedback and identify upsell opportunities.
- Share insights with the product teamβwhere features are missing, what terms clients expect, how we can improve.
π What We Already Have
- A modern, user-friendly product you can sell with confidence.
- A creative, responsible, and caring team.
- Warm leads and initial B2B clients coming inbound (we just havenβt processed them systematically yet).
π§βπ What Matters
- Fluent Englishβthe entire sales funnel targets an English-speaking audience.
- B2B sales experience (IT / SaaS / hosting / infrastructure).
- Willingness to reach out first, hook prospects cold, and drive deals to closure.
- Clear thinking, structured communication, and no fear of cameras or clients.
- A results focus: closed deals motivate you more than βprocess for processβ sake.β
π Nice to Have
- Background in game-tech, game development, game marketplaces, or hosting.
- Ability to find unconventional paths to decision-makers (community forums, moderators, Discord servers, etc.).
- Additional languages (Spanish, German, etc.).
πΊοΈ Hiring Process
- Quick culture & soft-skills interviewβwe want to see how you think and talk.
- Small test taskβnothing heavy; we just want to understand your style and approach.
- Final technical interview with the CEOβletβs discuss lead strategy, KPIs, real-world sales scenarios.
- Good fit? We make an offer.
Terms
- Fully remote, flexible hours (youβll need some overlap with CET/EET).
- Compensation: base salary + sales commission (specifics discussed in the interview).
- Weβll set you up with everything you need: slide decks, CRM, plus support from product, marketing, and design.