Jobs at Djinni
9337-
Β· 275 views Β· 39 applications Β· 4d
Billing and Payment Collection Specialist
Full Remote Β· Worldwide Β· 1 year of experience Β· English - B1Location: Remote Schedule: Full-time, Sunday to Thursday Company: A fast-growing affiliate marketing network connecting advertisers with high-quality leads Weβre looking for a detail-oriented and reliable Billing and Payment Collection Specialist to...π Location: Remote
π Schedule: Full-time, Sunday to Thursday
π Company: A fast-growing affiliate marketing network connecting advertisers with high-quality leads
Weβre looking for a detail-oriented and reliable Billing and Payment Collection Specialist to join our finance team. This is a great opportunity for someone who wants to grow in a remote-friendly, performance-driven environment.
π§ Responsibilities:
- Assist in managing billing operations, ensuring accurate billing calculations and on-time payments from affiliates and advertisers;
- Maintain and update billing records using Google Sheets;
- Coordinate with advertiser managers and finance teams to capture all costs and revenues accurately;
- Work closely with the sales and finance teams to ensure accurate cost and revenue tracking;
- Handle client billing inquiries (affiliates and advertisers);
- Support in preparing financial reports and analysis;
- Contribute to improving billing workflows and overall team efficiency.
β Requirements:
- Experience in finance, billing, accounting, or related roles;
- Strong knowledge of Google Sheets;
- Excellent attention to detail and organization;
- English level: B1 or higher;
- Self-starter with the ability to stay organized and deliver results remotely.
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Β· 118 views Β· 12 applications Β· 15d
Senior QA Engineer (Automation and General)
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 6 years of experience Β· English - B2Founded in 2012, Playson is a leading iGaming supplier recognized worldwide. We provide our customers with a high-end micro-service-based platform as a service that aims to process billions of financial transactions per day. Our Game Client team is...Founded in 2012, Playson is a leading iGaming supplier recognized worldwide. We provide our customers with a high-end micro-service-based platform as a service that aims to process billions of financial transactions per day.
Our Game Client team is looking for a Senior QA Engineer (Automation & General) who is passionate about delivering a flawless gaming experience. You will dive deep into the new game client, work closely with developers, and create automated tests for both functionality and performance. Our goal is to make the client stable, fast, and visually perfect across all devices and browsers. Want to make the product flawless for players? Weβre looking for you!
Why Join Us?- Be a key player in a major tech transformation;
- Work on projects that impact millions globally;
- Enjoy a supportive, flexible work environment;
- Grow your skills with continuous professional development opportunities.
To succeed in the role, you will have:- 4+ years of experience in test automation (front-end/back-end);
- Hands-on experience with Playwright;
- Strong grasp of QA methodologies, tools, and processes;
- Experience with Python (pytest, requests, sqlalchemy or similar);
- SQL and scripting proficiency;
- Solid understanding of HTTP/S, XML, JSON, HTML, CSS, JavaScript;
- Experience with Jira, Confluence, Zephyr;
- Experience with Git;
- At least an upper-intermediate level of English.
Would be beneficial to know:- Automation with JavaScript (in addition to Python);
- Selenium experience;
- Experience with developing test frameworks for load and functionality tests, for the client on mobile devices/application;
- Experience working in an Agile/Scrum development process;
- Monitoring/observability: Datadog, New Relic, Splunk (or similar).
What will you be doing?- Design, build, and maintain automation frameworks (functional and load/performance);
- Develop and maintain end-to-end tests for the game client (web & mobile);
- Plan and execute load and performance testing; define and track perf KPIs;
- Analyze requirements (including non-functional/performance) and create test strategies;
- Plan and prioritize testing activities; define positive/negative/boundary scenarios;
- Perform functional, regression, and integration testing;
- Ensure cross-browser/device compatibility and visual accuracy;
- Integrate automated tests into the CI/CD pipeline and keep suites green;
- Maintain clear test documentation and report quality metrics.
What you get in return:- Competitive Salary: We offer a competitive salary in EUR, subject to annual performance reviews;
- Quarterly Bonuses: Benefit from a transparent and systematic quarterly bonus system;
- Flexible Schedule: We offer a flexible work schedule to accommodate your needs;
- Remote Work Option: Choose to work remotely, providing greater flexibility and comfort;
- Medical Insurance: Receive comprehensive medical insurance for both you and a significant other;
- Financial Support for Life Events: We provide financial support during special life events;
- Unlimited Paid Vacation: Enjoy unlimited paid vacation leave;
- Unlimited Paid Sick Leave: Take unlimited paid sick leave whenever necessary;
- Professional Development: Get reimbursement for professional development courses and training.
Ambitious goals request a quick ability to maneuver through changes in the world. Playson is all about that. If the job description rings a bell β take action and apply! π
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Β· 83 views Β· 19 applications Β· 1d
VIP Manager (Shift-based)
Full Remote Β· Worldwide Β· Product Β· 2 years of experience Β· English - B2Join Win Media as a VIP Manager β Make Every Player Feel Like a Star! At Win Media, we believe that success in iGaming is built on strong relationships . Our VIP team ensures that the most valuable players feel appreciated, understood, and engaged....β¨ Join Win Media as a VIP Manager β Make Every Player Feel Like a Star!
At Win Media, we believe that success in iGaming is built on strong relationships π―. Our VIP team ensures that the most valuable players feel appreciated, understood, and engaged. If youβre empathetic, detail-oriented, and passionate about delivering top-class service β this role is for you!
π About the Role
We are looking for a dedicated VIP Manager (evening & weekend shifts) to join our team. ππ
Your mission will be to keep our VIP players happy, loyal, and profitable through personalized communication, proactive care, and exceptional service.Schedule: Shift-based
Location: Fully remote π or Warsaw office ποΈ
π οΈ Responsibilities
π§ Handle daily written communication with VIP players (email, WhatsApp, Telegram)
π Write at least 40+ personalized messages per day to maintain strong connections
π― Achieve KPIs for VIP Retention, Avg. Deposit Count, Avg. Deposit Sum
π Reactivate inactive players and build long-term loyalty
π€ Collaborate with Support and Payments teams to resolve VIP issues quickly
π Maintain daily reports on activities and results
β Requirements
π 2+ years in Customer Support / Account Management OR 1+ year as a VIP Manager
π² Experience in the iGaming / Casino industry is a must-have
π£οΈ Advanced written English
β German or French language skills are a huge advantage and will increase salary
π§ Strong emotional intelligence: ability to handle negativity, show empathy, and adapt communication style
π€ The Ideal CandidateHas prior experience as a VIP Manager or Customer Support in online casinos
Fluent in English (Advanced) and ideally one more language (German/French) π
Empathetic, responsible, hardworking, with excellent communication and problem-solving skills
Understands casino mechanics, including bonus systems π²
Thrives in a fast-paced, player-first environment
π What We Offerπ₯ Join a professional team with a strong vision and support system
π Career growth with the potential to lead the VIP Department in the future
ποΈ Flexible work setup: remote or from our Warsaw office
π΄π€ Paid vacation and sick leave
π» Modern equipment to ensure smooth workflow
π Fun company culture with gifts for holidays and birthdaysβ¨ Letβs win together with Win Media! β¨
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Β· 30 views Β· 1 application Β· 8d
Data Engineer
Full Remote Β· Ukraine Β· Product Β· 3 years of experience Β· English - NoneAbout 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 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.
Nice to have:
- Advanced Tools & Frameworks: Experience with distributed data processing frameworks (such as Apache Spark or Databricks) for large-scale data transformation, and with message streaming systems (Kafka, Pub/Sub) for real-time data pipelines. Familiarity with data serialization formats (JSON, Parquet) and handling of large text corpora.
- Web Scraping Expertise: Deep experience in web scraping, using tools like Scrapy, Selenium, or Beautiful Soup, and handling anti-scraping challenges (rotating proxies, rate limiting). Ability to parse and clean raw text data from HTML, PDFs, or scanned documents.
- CI/CD & DevOps: Knowledge of setting up CI/CD pipelines for data engineering (using GitHub Actions, Jenkins, or GitLab CI) to test and deploy changes to data workflows. Experience with containerization (Docker) to package data jobs and with Kubernetes for scaling them is a plus.
- Big Data & Analytics: Experience with analytics platforms and BI tools (e.g., Tableau, Looker) used to examine the data prepared by the pipelines. Understanding of how to create and manage data warehouses or data marts for analytical consumption.
- Problem-Solving: Demonstrated ability to work independently in solving complex data engineering problems, optimizing existing pipelines, and implementing new ones under time constraints. A proactive attitude to explore new data tools or techniques that could improve the workflows.
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· 773 views Β· 117 applications Β· 10d
Senior Python Developer (for agency)
Full Remote Β· Worldwide Β· 4 years of experience Β· English - B1We are looking for a Senior Python Developer who can become a part of our team and with whom we will grow together. Meduzzen is a team of Ukrainian developers who are working mostly on outstaff and outsource models, so, as a part of this team, you will...We are looking for a Senior Python Developer who can become a part of our team and with whom we will grow together. Meduzzen is a team of Ukrainian developers who are working mostly on outstaff and outsource models, so, as a part of this team, you will work on projects with different domains and technologies. We are open for smart and very stable developer who can become a great addition of our progressive team and strengthen it. We accept Ukrainian developers who is currently abroad or in Ukraine.
Requirements:
- from 4 years of professional experience as a back-end or full-stack developer- strong knowledge in Python (Django/DRF, FastAPI, Flask, PostgreSQL, etc.)
- experience with front-end frameworks (React, Vue, Angular, experience with React Native will be a plus)
- familiarity with clouds (AWS, Azure, GCP)
- good English skills (from Intermediate)
- understanding of AI tools and Web3 also will be a plus- team worker
- availability of UpWork profile (but it is not necessary)
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What we offer
- working with us as an agency
- remote work and flexible schedule
- career development: take courses
- English lessons
- paid vacation and sick-leave days
Hiring steps: intro, technical interview or test task, meeting with CTO, offer.
If everything mentioned below is about you - so please apply.
Thanks for your time, letβs make cool development together!
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Β· 23 views Β· 1 application Β· 2d
SEO Manager
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 2 years of experience Β· English - NonePIN-UP Global is an international holding specializing in the development and implementation of advanced technologies, B2B solutions and innovative products. We provide certification and licensing of our products, providing customers and partners of the...PIN-UP Global is an international holding specializing in the development and implementation of advanced technologies, B2B solutions and innovative products. We provide certification and licensing of our products, providing customers and partners of the holding with high-quality and reliable solutions.
We are looking for a SEO Manager to join our team!
Requirements:
- Proven SEO experience (3+ years);- Deep technical SEO expertise,
- Experience in the betting/sports/e-commerce industry;
- Ability to manage multiple projects simultaneously;
- Deep knowledge of white-hat and black-hat SEO methods;
- Experience with large project launches from scratch;
- Extensive experience managing and optimizing multilingual websites- Experience working with AI-generated content;
- Ability to work with AI tools (prompt creation, effective usage for SEO tasks);
- Skills in delegating tasks to junior specialists;
- Strong task prioritization skills.
Will be your plus:
- Experience with Product SEO;- Ability to set short and mid-term goals and organize team efforts to achieve them;
- Business metrics understanding;
- Proven cases of recovering websites after Google updates.
Responsibilities:
- Competitor analysis and market research;- Launching new projects (full SEO cycle: strategy, budget, semantics, content, on-page optimization, internal linking, link-building plan);
- Conducting a technical SEO audit of the website, providing technical recommendations and guidelines for the website developer;
- Searching for new ways to attract traffic, offering suggestions to improve the conversion rate of the existing traffic;
- Monitoring key performance indicators and providing regular progress reports.
Our benefits to you:βοΈAn exciting and challenging job in a fast-growing holding, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more
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π€π»Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
π§π»βπ»Modern corporate equipment based on macOS or Windows and additional equipment are provided
πPaid vacations, sick leave, personal events days, days off
π΅Referral program β enjoy cooperation with your colleagues and get the bonus
πEducational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
π―Rewards program for mentoring and coaching colleagues
π£Free internal English courses
βοΈIn-house Travel Service
π¦Multiple internal activities: online platform for employees with quests, gamification, presents and news, PIN-UP clubs for movie / book / pets lovers and more
π³Other benefits could be added based on your location -
Β· 34 views Β· 3 applications Β· 18d
Senior Data Scientist
Full Remote Β· Ukraine Β· 4 years of experience Β· English - B2WE ARE SoftServe is a global digital solutions company, headquartered in Austin, Texas, and founded in 1993. With 2,000+ active projects across the USA, Europe, APAC, and LATAM, we deliver meaningful outcomes through bold thinking and deep expertise. Our...WE ARE
SoftServe is a global digital solutions company, headquartered in Austin, Texas, and founded in 1993.
With 2,000+ active projects across the USA, Europe, APAC, and LATAM, we deliver meaningful outcomes through bold thinking and deep expertise. Our people create impactful solutions, drive innovation, and genuinely enjoy what they do.
The AI and Data Science Center of Excellence (CoE) is SoftServeβs premier AI/ML hub, primarily based in Europe. With 130+ expertsβincluding data scientists, research analysts, MLOps engineers, ML and LLM architects β we cover the full AI lifecycle, from problem framing to deployment.
In 2024, we delivered 150+ AI projects, including over 100 focused on Generative AI, combining scale with measurable impact.
We are a 2024 NVIDIA Service Delivery Partner and maintain strong collaborations with Google Cloud, Amazon, and Microsoft, ensuring our teams always work with cutting-edge tools and technologies.
We also lead Gen AI Lab β our internal innovation engine focused on applied research and cross-functional collaboration in Generative AI.
In 2025, a key area of innovation is Agentic AI β where we design and deploy autonomous, collaborative agent systems capable of addressing complex, real-world challenges at scale for our clients and internally.
IF YOU ARE- Experienced in Generative AI and natural language processing (NLP), working with large-scale transformer models and generative pre-trained LLMs like GPT-4, Claude, and Gemini
- Knowledgeable about the latest advancements in diffusion models and other generative frameworks for text and image generation
- Adept at applying advanced deep learning techniques to practical use cases
- Well-versed in emerging trends and breakthroughs in machine learning, deep learning, and NLP, with a strong focus on their real-world applications
- Proficient in working with state-of-the-art pre-trained language models like GPT-4 and BERT, including fine-tuning for specialized tasks
- Aware of the software development lifecycle for AI projects and the operationalization of machine learning models
- Experienced in deploying AI solutions on major cloud platforms
- Hands-on with Python and deep learning frameworks such as TensorFlow or PyTorch
- Skilled in interpersonal communication, analytical reasoning, and complex problem-solving
- Capable of translating technical concepts into clear, concise insights that non-technical audiences can easily grasp
- Proficient in business communication in English at an upper-intermediate level
AND YOU WANT TO
- Work with the full stack of data analysis, deep learning, and machine learning model pipeline that includes deep analysis of customer data, modeling, and deployment in production
- Choose relevant computational tools for study, experiment, or trial research objectives
- Drive the development of innovative solutions for language generation, text synthesis, and creative content generation using the latest state-of-the-art techniques
- Develop and implement advanced Generative AI solutions such as intelligent assistants, Retrieval-Augmented Generation (RAG) systems, and other innovative applications
- Produce clear, concise, well-organized, and error-free computer programs with the appropriate technological stack
- Present results directly to stakeholders and gather business requirements
- Develop expertise in state-of-the-art Generative AI techniques and methodologies
- Grow your skill set within a dynamic and supportive environment
- Work with Big Data solutions and advanced data tools in cloud platforms
- Build and operationalize ML models, including data manipulation, experiment design, developing analysis plans, and generating insights
- Lead teams of data scientists and software engineers to successful project execution
TOGETHER WE WILL- Be part of a team that's shaping the future of AI and data science through innovation and shared growth.
- Advance the frontier of Agentic AI by shaping intelligent multi-agent ecosystems that drive autonomy, scalability, and measurable business value.
- Have access to world-class training, cutting-edge research, and collaborate with top industry partners.
- Maintain a synergy of Data Scientists, DevOps team, and ML Engineers to build infrastructure, set up processes, productize machine learning pipelines, and integrate them into existing business environments
- Communicate with the world-leading companies from our logos portfolio
- Enjoy the opportunity to work with the latest modern tools and technologies on various projects
- Participate in international events and get certifications in cutting-edge technologies
- Have access to powerful educational and mentorship programs
- Revolutionize the software industry and drive innovation in adaptive self-learning technologies by leveraging multidisciplinary expertise
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Β· 24 views Β· 6 applications Β· 1d
Web User Acquisition Manager
Full Remote Β· Worldwide Β· Product Β· 3 years of experience Β· English - B1About the role: We are looking for Web UA Manager to join our team for our new fast-growing AI-powered web project MySpicy.ai, focused on AI virtual dating experience. Your Impact Take ownership, manage, and optimize paid campaigns across Facebook Ads,...About the role:
We are looking for Web UA Manager to join our team for our new fast-growing AI-powered web project MySpicy.ai, focused on AI virtual dating experience.
Your Impact
- Take ownership, manage, and optimize paid campaigns across Facebook Ads, Google Ads, TikTok
- Analyze campaign performance, test hypotheses, and scale successful strategies
- Collaborate cross-functionally with product, creative, and analytics teams to align acquisition goals
- Launch campaigns, write briefs, troubleshoot issues, and dive into data as needed
- Identify new growth opportunities and continuously improve conversion funnels
- Monitor and manage acquisition spend to meet performance KPIs
Requirements
- 3+ years of experience in web user acquisition, performance marketing, or growth marketing
- Proven track record running Facebook and Google Ads with strong ROI
- Strong understanding of subscription-based monetization models
- Experience with multiple quiz set-ups
- Analytical mindset with experience in A/B testing
- Experience with budgets 100k+ monthly
- Familiarity with tools like Google Analytics, Meta Ads Manager, and performance tracking platforms
- Comfortable working independently in a fast-paced, remote environment
What We Offer
- A passionate, skilled team with zero bureaucracy β just results
- Competitive salary that lets you focus on your work and personal growth
- Professional development: access to courses, workshops, and a corporate library
- 20 days of paid vacation, health insurance, and regular sports activities
- A collaborative culture: team buildings and fun events inside and outside the office
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Β· 50 views Β· 1 application Β· 19d
Data Engineer (NLP-Focused)
Full Remote Β· Ukraine Β· Product Β· 3 years of experience Β· English - B1About 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· 644 views Β· 62 applications Β· 15d
Node.js Developer to $2500
Ukraine Β· 2 years of experience Β· English - B2Who are we looking for? We are looking for an "independent fighting unit" who is ready to join our Team and start working together on our projects immediately or after training. Tasks? Your tasks will focus on the skills and expectations listed below...Who are we looking for?
We are looking for an "independent fighting unit" who is ready to join our Team and start working together on our projects immediately or after training.
Tasks?
Your tasks will focus on the skills and expectations listed below and the use of new approaches and technologies.
Why did the job open?
We want to invite a new specialist to the company's staff due to the increase in the number of projects and the opening of a branch.
Requirements:
- B1 English (Upper-Intermediate)+
- At least 2+ year of commercial experience with JavaScript
- At least 2+ years of commercial experience with Node.js
- Experience with Typescript, Nest.js
- Experience with RDBMS and NoSQL databases
- Experience with implementing automated testing platforms and unit tests
- Experience with REST/GraphQL
- Experience with cloud services such as AWS, GCP or Azure
- Experience with CI/CD processes
- Experience in integrating with external APIs
- SOLID understanding of object-oriented programming
- Flexibility and ability to adapt to changes
- Ability to work closely with Product Managers and Engineering Team-members
Good to have:
- Experience with Unit/E2E testing
- Understanding design, and architecture principles
- Experience with message brokers, like RabbitMQ, SQS, etc
- Experience with JS web-frameworks React/Vue/Angular etc
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Β· 12 views Β· 3 applications Β· 19d
Middle/Senior ML Engineer (LLMs)
Full Remote Β· Armenia, Spain, Poland, Serbia, Ukraine Β· 4 years of experience Β· English - NoneJoin us at Provectus to be a part of a team that is dedicated to building cutting-edge technology solutions that have a positive impact on society. Our company specializes in AI and ML technologies, cloud services, and data engineering, and we take pride...Join us at Provectus to be a part of a team that is dedicated to building cutting-edge technology solutions that have a positive impact on society. Our company specializes in AI and ML technologies, cloud services, and data engineering, and we take pride in our ability to innovate and push the boundaries of what's possible.
As an ML Engineer, youβll be provided with all opportunities for development and growth.
Let's work together to build a better future for everyone!
Requirements:
- Comfortable with standard ML algorithms and underlying math.
- Strong hands-on experience with LLMs in production, RAG architecture, and agentic systems
- AWS Bedrock experience strongly preferred
- Practical experience with solving classification and regression tasks in general, feature engineering.
- Practical experience with ML models in production.
- Practical experience with one or more use cases from the following: NLP, LLMs, and Recommendation engines.
- Solid software engineering skills (i.e., ability to produce well-structured modules, not only notebook scripts).
- Python expertise, Docker.
- English level - strong Intermediate.
- Excellent communication and problem-solving skills.
Will be a plus:
- Practical experience with cloud platforms (AWS stack is preferred, e.g. Amazon SageMaker, ECR, EMR, S3, AWS Lambda).
- Practical experience with deep learning models.
- Experience with taxonomies or ontologies.
- Practical experience with machine learning pipelines to orchestrate complicated workflows.
- Practical experience with Spark/Dask, Great Expectations.
Responsibilities:
- Create ML models from scratch or improve existing models.
- Collaborate with the engineering team, data scientists, and product managers on production models.
- Develop experimentation roadmap.
- Set up a reproducible experimentation environment and maintain experimentation pipelines.
- Monitor and maintain ML models in production to ensure optimal performance.
- Write clear and comprehensive documentation for ML models, processes, and pipelines.
- Stay updated with the latest developments in ML and AI and propose innovative solutions.
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Β· 73 views Β· 20 applications Β· 12d
Operations manager to $1400
Full Remote Β· Countries of Europe or Ukraine Β· 1 year of experience Β· English - NoneWeβre a growing team β no overcomplicated processes. Just people building something big and moving fast. Our COO is looking for a right hand, an Operations Manager who will bring structure, speed, and clarity into the business. This is your chance to be...Weβre a growing team β no overcomplicated processes. Just people building something big and moving fast. Our COO is looking for a right hand, an Operations Manager who will bring structure, speed, and clarity into the business.
This is your chance to be at the center of execution: not following a system, but helping create it. If you thrive in fast-moving environments where ownership is real and impact is visible, this role is for you.
What youβll do- Keep projects on track, unblock teams, and drive follow-ups.
- Turn data into crisp dashboards & one-pagers.
- Run meetings that matter β agendas, notes, action owners.
- Coordinate across teams & partners, keep everyone aligned.
- Build SOPs & playbooks so processes scale.
- Use AI/automation to boost efficiency.
You are- 1+ year in ops/assistant/project roles (startup = plus).
- Detail-obsessed, structured, proactive.
- Confident English (B1+).
- Solid with Google Workspace/Excel.
What We Offer
- Competitive salary with quarterly growth opportunities based on performance
- 30 business days of paid time off
- Flexible working hours focused on results (no micro-management)
- Clear career progression paths in a fast-growing company
- Full support for professional development, training, and education
A friendly and collaborative team culture built on mutual support and open communication
π Not just an ops job. A launchpad.
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Β· 125 views Β· 13 applications Β· 8d
Software Engineer
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 5 years of experience Β· English - B1About the role We are building a revolutionary system at the frontier of technology and AI. As a Software Engineer, you wonβt just write code β you will shape the future of how apps are built. Youβll be part of the early execution engineβshipping core...About the role
We are building a revolutionary system at the frontier of technology and AI.
As a Software Engineer, you wonβt just write code β you will shape the future of how apps are built. Youβll be part of the early execution engineβshipping core capabilities, refining the experience, and elevating reliability. Expect tight loops, clear ownership, and visible impact. You will engage directly with first clients, adapt the platform to their needs, and set the stage for the next generation of software creation.
What weβre looking for
We want someone who doesnβt just βfit the roleβ but defines it:
- Open-minded explorer β ready to try bold ideas, new approaches, and cutting-edge tools.
- Hacker mindset & problem solver β able to connect the dots across complex systems and find elegant solutions.
- Analytical & resilient β thrives in debugging intricate, interconnected architectures.
- Startup speed enthusiast β comfortable hacking fast, shipping early, learning from feedback, and polishing later.
- Experienced in Cursor or Claude Code.
- Passionate about vibe-coding β turning AI into your engineering team-mate.
- Natural leader β with the drive to inspire and guide people.
Why join us?
- Be among the first engineers driving a bold, world-changing vision.
- Work at the bleeding edge of technology and AI, where experimentation is not just allowed but expected.
- Direct influence on product.
- A chance to build something that reshapes how things get done in todayβs world.
- A team that values curiosity, creativity, and the pure joy of hacking together the future.
This isnβt just another job. This is your chance to engineer the future of software itself.
Technical stack
Core technologies:
- TypeScript, React.js, Next.js
- ClickHouse, PostgreSQL, Redis
- Docker / Kubernetes
- Kafka
- Supabase, Inngest, Posthog
Nice to have:
- Vue.js
- Python
- Go
- Ruby
Hiring Process
Stage 1: Interview with HR (1h).
Stage 2: Interview with VP of Engineering.
Stage 3: Technical assignment.
Stage 4: Tech. Interview
Stage 5: Interview with the team.
What we offer for your success
- Very warm and friendly working environment and flexible working schedule.
- 20 days off + paid national holidays, and 12 sick days paid by the company per year.
- Medical insurance, and health protection programs (with COVID-19 and dental coverage).
- Continuous professional development and growth opportunities.
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Β· 822 views Β· 81 applications Β· 19d
DevOps Engineer
Full Remote Β· Countries of Europe or Ukraine Β· 2 years of experience Β· English - B1Dataforest is looking for a DevOps Engineer eager to grow professionally and work on international projects. You will support and improve infrastructure, set up CI/CD processes, and collaborate closely with the client team. Requirements: 2+ years...Dataforest is looking for a DevOps Engineer eager to grow professionally and work on international projects. You will support and improve infrastructure, set up CI/CD processes, and collaborate closely with the client team.
Requirements:
- 2+ years of experience as DevOps;
- Experience with SQL, DB configuration;
- Experience with Airflow;
- Deep understanding of Linux/Unix;
- Experience with Source Control (Git, Bitbucket);
- Experience with AWS Cloud;
- Experience with CI/CD (Github);
- Understanding of Container Concepts (Kubernetes, Docker);
- Experience with Nginx;
- Strong logical thinking and problem-solving skills;
- Proactive approach and ability to take initiative;
English β Intermediate or higher.
Nice to have:
- Experience with Airflow;
Experience with ETL pipelines.
Key responsibilities:
- Cover the DevOps needs of a dev team;
- Support existing environments in both on-prem and cloud;
- Detect existing product infrastructure issues and vulnerabilities;
- Build ETL procedures;
Implement best practices and standards for development.
We offer:
- Great networking opportunities with international clients, challenging tasks;
- Building interesting projects from scratch using new technologies;
- Personal and professional development opportunities;
- Competitive salary fixed in USD;
- Paid vacation and sick leaves;
- Flexible work schedule;
- Friendly working environment with minimal hierarchy;
- Comfortable, spacious, and well-equipped office in the city center;
- Team building activities, corporate events.
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Β· 152 views Β· 16 applications Β· 1d
Senior Flutter Developer
Office Work Β· Poland Β· Product Β· 3 years of experience Β· English - B1BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. βYoung, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of...BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. βYoung, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We donβt follow formats. We shape them. We build what works, launch it fast, and make sure it hits.
We are looking for a skilled Senior Flutter Developer.
β Responsibilities:
βοΈ Development and improvement of crucial components of the platform
βοΈ Make the product testable
βοΈ Participate in grooming, planning, tech, and estimation sessions
βοΈ Make your own decisions on the architecture level
βοΈ Bring fresh and innovative ideas into the companyβs processes
βοΈ Support and improve product documentation
βοΈ Couch Middle/Junior team members
βοΈ Code reviewβ Requirements:
βοΈ 3+ years of hands-on mobile development experience (Android or iOS)
βοΈ 2+ years of hands-on Flutter development experience (at least 1 application released in the store)
βοΈ Solid knowledge of Dart (including Dart streams / RxDart)
βοΈ Solid knowledge of mobile architecture principles
βοΈ Good knowledge of OOP/SOLID principles
βοΈ Good knowledge of REST and Sockets
β Nice to Have:
βοΈ KotlinβοΈ Java
βοΈ Swift
βοΈ Experience with CI/CD process
βοΈ Experience with Unit and Functional testing of mobile applications
β We offer excellent benefits, including but not limited to:
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βοΈSnacks in the Office;
βοΈ20 days of vacation per year;
βοΈ6 days of sick leaves without document required;
βοΈAttractive office location and facilities - Loftmill;
βοΈMedical insurance for you and your partner;
βοΈSports package;
βοΈBirthday, wedding, and newborn gifts;
βοΈLanguages classes (partially paid by the Company);
βοΈCareer growth opportunities;
βοΈInternational corporate parties, great team-building events and activities.