Jobs at Djinni

ABOUT US:
 

BetterMe is a health & wellness platform providing a tailored holistic approach to well-being. Since 2017, we have been on a mission to create a healthier world for everyone, regardless of age, sex, physical ability, or background.

Our goal is to make a healthy lifestyle accessible to everyone so they can achieve long-term health benefits.

You will work closely with the Frontend team on creating and implementing onboarding funnels/quizzes, purchases, and account creation processes related to BetterMe Product.
The team manages complex logic, a high-load product, and a large number of users.

Additionally, you will have the opportunity to influence business metrics with your actions and see the immediate impact of your work on the product.
 

YOUR IMPACT:

• Work in a team of developers on a rapidly evolving web project;
• Collaborate with product managers, designers, and other stakeholders to gather and understand requirements;
• Conduct code reviews to maintain code quality and adherence to coding standards;
• Take part in decisions regarding app architecture.
   

ABOUT YOU:

• 5+ years of experience of JavaScript;
• Familiar with client-side technologies: React, Redux;
• Experience with Next.js;
• Experience with monitoring/alerting tools such as Elastic or similar;
• Understanding of SOLID principles.
   

WILL BE A PLUS:

• Experience in technical management of a small project/team;
• Familiarity with CI/CD tools such as GitHub Actions or similar;
• Experience with fast and frequent releases;
• Desire to mentor colleagues with less experience.
   

NICE TO HAVE:

• Practical experience with A/B tests;
   

For better understanding, you may learn more about the stack of our technologies:

Next.js i Typescript;

React.js, Redux.js;

CSS’s modules, SASS.
 

Our mission is creating happiness within since we believe that having your mind and body in complete harmony is key for overall health and quality of life. We plan to capture the growth of the Global Health Market, and our ideal candidate will focus on building the largest health tech company in the world. 💪

The success of the product became possible through the hard work and dedication of 400+ talented and forward-thinking employees who are true experts in their field. We’re one of the biggest partners of Facebook, Google, Snapchat & Twitter within the CEE region.🌎

Our company is built on the ability to find the best people and provide them with everything needed to stay focused on what’s important to make our users even healthier, sportier, happier and better! We create a business environment that brings up best in everyone. We have no bureaucracy, and we give our colleagues complete freedom to make decisions and achieve brilliant results.🚀

Competitive salary. Compensation that will help you focus on your projects and personal development.

Professional Growth. We offer a possibility to attend internal, external courses, seminars and access to a corporate library. You will be working with a team of professionals to get insights and discuss ideas.

Comfortable working environment. We provide all necessary work equipment for your role and serve complimentary breakfasts, lunches, and snacks in the Kyiv office.

Health&Fitness. We provide employees with 20 days of paid vacation, medical insurance and a variety of sports activities available for employees inside and outside the office.

Rest. We organize team buildings, parties and various team activities to boost our collaboration.

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 — 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

We are looking for a System Administrator to join our teams!

Requirements:
- Experience in designing wired 50+ and roaming wireless WiFi networks;
- Implementation of solutions, configuration and maintenance of Ubiquiti and Mikrotik network equipment;
- Insight Model of OSI, protocols and services TCP/IP, IPsec, DHCP, DNS, VLAN, NAT, VPN, SIP;
- Experience with access control systems, Hikvision video systems, Ajax alarms;
- Redundancy of network equipment, critical communication channels, config backup and recovery;
- Work with suppliers for the purchase of office equipment, inventory;
- Assembly, modular repair and upgrade of computer equipment;
- Knowledge of OS Windows, MacOS at the administrator level;
- Experience in installing OS and restoring work after critical failures;
- Installation and configuration of office software;
- Backup and recovery, data encryption;
- Experience in a similar position in an IT company from 2 year;
- Communication language Russian and English.
- Administration Jira/Confluence.
 

Will be plus:

- Experience working with Atlassian products at the administrator level: creating projects, workflows, boards.

Responsibilities:

- Providing several objects with security systems access control systems, Hikvision video systems, Ajax alarms;

- Setup and support of office corporate network;

- Maintenance of office computers and office equipment;

- Procurement and inventory of equipment, work with service providers, stock management;

- Providing technical support to the company's employees, including remote ones;

- Manage MDM, credentials, group policies, access rights;

- Create instructions and policies for the team and users.
 

Our benefits to you:

☘️An 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
🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided
🏖Paid vacations, sick leave, personal events days, days off
💵Referral program — enjoy cooperation with your colleagues and get the bonus
📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
🎯Rewards program for mentoring and coaching colleagues
🗣Free internal English courses
✈️In-house Travel Service 
🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, PIN-UP clubs for movie / book / pets lovers and more
🎳Other benefits could be added based on your location

About 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 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 Bachelor’s or Master’s 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 project’s 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.

Warmy.io is an AI-powered platform that helps businesses land in inboxes, not spam folders. We are a fast-growing global startup, trusted by companies worldwide to improve email deliverability and outreach performance.

As we grow, we’re looking for a CRO & PPC Manager - someone proactive, and curious - to support our marketing team across a variety of tasks. 

What You'll Do

• Assist with content creation and simple designs in Canva
• Support copywriting, idea generation, and creative brainstorming with tools like ChatGPT
• Help update and manage content in WordPress (no coding required)
• Assist with Google Ads setup and ad creation (under guidance)
• Participate in creating Meta/TikTok ads – both visual and video (together with a video editor)
• Support the execution of CRO experiments and A/B tests
• Take ownership of marketing-related tasks
• Communicate clearly and professionally with the team
• Suggest improvements and stay organized across multiple tasks
   

What We’re Looking For

• A humble, proactive attitude with a strong desire to learn
• Ability to think critically, solve problems, and work independently
• A good sense of design and content structure
• Strong organizational skills and task management
• Fluent or advanced English (written + verbal)
• Ability to work in a remote team and ask for help when needed
   

Nice to Have (but not required)

• Experience with B2B
• Simple video editing workflows
   

What We Offer

• Remote, full-time B2B contract
• Monthly compensation in USD via bank transfer (SWIFT)
• 12 PTO days, 10 sick days, and recognition of public holidays
• A friendly, supportive, and fast-growing environment
• Full access to tools, training, and mentorship from your manager
• The opportunity to grow into a full-fledged digital marketing specialist
   

If you're excited about digital marketing, love to learn, and want to grow inside a global SaaS startup - apply now and join the Warmy.io journey!

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

United Tech is a global IT product company shaping the future of real-time social connection.

With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking.

Our platforms enable connection at scale fast, interactive, and deeply engaging.

The market is projected to exceed $206B by 2030, and we are already leading the evolution.

Founded in Ukraine, scaling worldwide. Are you in?

About the role: This is a role for a leader who thrives in a fast-moving product environment, where challenges fuel growth and every decision shapes the future. With United Tech you will have the freedom to design, build, and re-engineer processes from the ground up, working side by side with a team that values initiative, knowledge sharing, and bold goals. Your ideas will directly influence revenue, and you will see the tangible results of your work reflected in key financial metrics. We move fast, we cut through bureaucracy, and we take on complex challenges that push both personal and professional boundaries, limited only by the scale of your ambitions

In this role, you will

• Build, scale, and develop the Data Science team, including hiring, mentoring, and performance evaluation
• Define and execute a Data Science strategy aligned with business priorities
• Oversee the full lifecycle of DS projects from problem formulation to deploying models into production
• Prioritize initiatives based on business impact (ROI, time-to-market)
• Collaborate closely with product managers, analysts, engineers, and C-level executives

It’s all about you

• Proven ability to implement best practices in Data Science: reproducibility, A/B testing, ML monitoring
• Strong track record in maintaining model quality (performance, drift, latency)
• Advanced Python skills (pandas, sklearn, numpy, xgboost; pytorch/tf is a plus)
• High-level SQL expertise (large datasets, query optimization)
  Hands-on experience with ML pipelines, orchestration (Airflow, Prefect), and monitoring (Evidently, MLflow, Prometheus)
• Experience with GCP
• Solid understanding of A/B testing, causal inference, and statistics
• Familiarity with architecture fundamentals (API, data pipelines, microservices — integration level)
• Cloud experience with AWS or Azure
• Knowledge of distributed computation tools (e.g., Spark, CloudRun)
• Proven track record with generative AI/NLP model deployment
• Experience in startups or high-growth companies
• Publications, conference speaking, achievements on Kaggle, or open-source contributions

Would be a plus

• Experience optimizing company processes through AI solutions
• Implementation of AI tools across departments (development, support, marketing, etc.)

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine
   

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Workspace rental reimbursement in other cities and abroad
• Modern equipment or depreciation of your own tools
   

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Intro call
• Technical Interview
• Interview with Hiring Manager
• Final Interview
• Reference check
• Offer

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, you’ll 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.

We are looking for a Senior iOS Developer specialized in building modern, secure, and scalable iOS applications. The ideal candidate should have deep expertise in the Swift ecosystem, embrace Clean Architecture principles, and deliver performant, maintainable code.

Skills are required:

• Swift – Advanced knowledge
• SwiftUI – Modern declarative UI development
• MVVM-C – Modular and testable architecture implementation
• Swift Concurrency - Modern multithreading approach
• Security – iOS Keychain, biometric authentication, SSL pinning, secure storage
• Local Persistence – Core Data or SwiftData

Skills will be a plus:

• Experience in framework development
• Third-party APIs – payment system integrations
• Testing – Unit tests, UI tests, and snapshot tests
• Profiling & Optimization – Memory management and performance tuning

Responsibilities:

• Lead the development process
• Embrace modern swift tools, especially swift concurrency and SwiftUI
• Develop and maintain FintechCore framework
• Cover business logic with tests
• Code review
• Configure CI/CD system

Project description:
We are building a financial platform for a regulated institution with EMI and VASP licenses in the Philippines. The solution will combine digital banking and cryptocurrency services, including secure wallets, payments, remittances, and card issuing. A key part of the project is an in-house crypto trading module designed to provide a seamless and compliant experience for a growing global user base.

Technologies that we use on our projects:

• MVVM + Coordinators
• Swift concurrency
• SwiftUI

The size and the structure of the PROJECT team:

• 2 iOS Engineers
• 2 Android Engineers
• 2 Web Engineers
• 2 Business Analysts
• 2 Designers
• 3 Backend Engineers
• 2 DevOps
• 2 QA Engineers
• 1 Project Manager

Position overview

DataArt is a global software engineering firm and a trusted technology partner for market leaders and visionaries. Our world-class team designs and engineers data-driven, cloud-native solutions to deliver immediate and enduring business value.

We promote a culture of radical respect, prioritizing your personal well-being as much as your expertise. We stand firmly against prejudice and inequality, valuing each of our employees equally.

We respect the autonomy of others before all else, offering remote, onsite, and hybrid work options. Our Learning and development centers, R&D labs, and mentorship programs encourage professional growth.

Our long-term approach to collaboration with clients and colleagues alike focuses on building partnerships that extend beyond one-off projects. We provide the ability to switch between projects and technology stacks, creating opportunities for exploration through our learning and networking systems to advance your career.

We are searching for a specialist for the position of System Administrator for our local IT helpdesk and support team.

Technology stack

Operating Systems: Microsoft Windows, macOS, Linux
Network Technologies: AD, DNS, DHCP, NAT, VPN, VLAN, Group Policies

Responsibilities

• Configure and deploy hardware and software for new employees
• Ensure seamless connectivity and troubleshoot network issues
• Set up printers, scanners, and other peripherals
• Monitor system performance and promptly address any disruptions
• Provide efficient technical support to end-users, troubleshooting issues and answering queries
• Maintain accurate records of system configurations and changes
• Regularly update software, perform backups, and manage incidents
• Implement security measures and adhere to industry standards

Requirements

• Excellent understanding of hardware and software troubleshooting
• Familiarity with Windows Server and desktop operating systems
• Strong understanding of Active Directory (AD), DNS, DHCP, NAT, VPN, VLAN, and Group Policies
• Comfortable working with Windows, macOS, and Linux
• Effective communication with internal customers and colleagues
• Initiative, ability to multitask, and desire to collaborate
• Excellent verbal and written communication skills

Nice to have

• Experience with VMware ESXi
• Proficiency in PowerShell scripts for task automation
• Experience managing Windows Servers
• Managing access rights and File Server service quotas
• Experience with Zabbix and Syslog
• CCNA, MCSA, or other relevant vendor certifications are highly valued

We offer

Vacation

20 paid days

Health insurance

We help you to take out an insurance policy for you and your loved ones

Sick pay

10 days without a doctor's note, afterwards - with the document

Time off for state holidays

According to the official calendar

Pleasant environment

Comfort service

Solving technical and everyday problems at work

About the role

We are building a revolutionary system at the frontier of technology and AI.

As a Software Engineer, you won’t just write code — you will shape the future of how apps are built. You’ll be part of the early execution engine—shipping 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 we’re looking for

We want someone who doesn’t just “fit the role” but defines it:

• Open-minded explorer — ready to try bold ideas, new approaches, and cutting-edge tools.
• Hacker mindset & problem solver — able to connect the dots across complex systems and find elegant solutions.
• Analytical & resilient — thrives in debugging intricate, interconnected architectures.
• Startup speed enthusiast — comfortable hacking fast, shipping early, learning from feedback, and polishing later.
• Experienced in Cursor or Claude Code.
• Passionate about vibe-coding  — turning AI into your engineering team-mate.
• Natural leader — 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 today’s world.
• A team that values curiosity, creativity, and the pure joy of hacking together the future.

This isn’t 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.

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 — 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.

About 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 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 (Master’s 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 project’s 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.

About the Role
We are expanding our embedded development team and looking for an engineer with strong experience in Buildroot, CMake, Linux kernel, and BSP-level development. Our projects cover a wide range of platforms — from Linux-based devices to Android AOSP and RTOS — including work with E-Ink displays and various peripheral hardware.
 
Responsibilities
• Integrate different SoCs at the system level of embedded operating systems.
• Port and adapt drivers to Linux OS, providing APIs for the application layer.
• Modify and maintain build systems (Buildroot, CMake).
• Configure and build Linux kernel and bootloaders.
• Debug low-level issues and ensure hardware–software integration.
• Collaborate closely with hardware and software teams.
• (Optional) Support RTOS-based MCU firmware.
 
Requirements
• Knowledge of C/C++ (Java is a plus).
• Experience with Buildroot, CMake (Kconfig is a plus).
• Understanding of the Linux kernel, multithreading principles, and init process.
• Proficiency with version control systems (Git, Mercurial).
• Ability to debug system-level and driver-related issues.
• Knowledge of TCP/IP stack.
• Understanding of interprocess communication (IPC) principles.
• Ability to read hardware documentation and schematics.
 
Nice to Have
• Experience in Linux driver development.
• Familiarity with hardware interfaces: I2C, SPI, UART, USB, Ethernet.
• Scripting skills in Python/Bash.
• Knowledge of Android AOSP/NDK.
• Experience with Wi-Fi, Bluetooth, Audio subsystems.
 
Soft Skills
• Strong problem-solving & attention to detail.
• Ownership and responsibility.
• Team player.
 
• Education & Language
Bachelor’s degree in Engineering or a related field.
English: Intermediate+.
 
 

Inception-1 is a fast-growing product company. We create AI-driven products that help people feel more connected and less alone. Our mission is to build meaningful digital experiences that blend technology with empathy — and to prove that AI can be both human and transformative.
 

Our team is looking for an ambitious Senior PPC Manager to run large-scale advertising for a futuristic, fast-growing AI web application that has already successfully launched at Tier-1.

You will have the opportunity to create an effective traffic acquisition strategy from scratch, ensure positive profitability, and develop a system to scale quickly and sustainably to multi-million dollar budgets.

About you:

• At least 4 years of experience as a PPC Specialist with excellent knowledge of Google Ads.
• Experience in dating or adult niches is must.
• Successful experience in running search campaigns, optimizing search traffic.
• Experience in launching and optimizing advertising campaigns for mobile applications (App campaigns).
• Understanding of the levers of influence on marketing metrics: CTR, CPC, CPA.
• English is not lower than Upper-Intermediate.
• Strong analytical skills and ability to make data-driven decisions.

What you will do:

• Launching and optimizing Google Ads campaigns and scaling them to achieve KPIs.
• Searching for growth points and optimizing advertising campaigns, including working with semantics and creating ads.
• Creating analytical reports on the performance of the advertising platform and product.
• Development and implementation of a product promotion strategy on the Google platform.
• Analysis of user behavior patterns from different traffic channels and interaction with the product.
• Generating and testing hypotheses, finding new approaches to traffic optimization.
• Launching and managing mobile app advertising campaigns to drive installs, engagement, and growth.

What we offer:

• Services of a corporate doctor, and after the probationary period — health insurance in Ukraine.
• 20 working days of paid vacation per year, unlimited sick leave.
• All equipment necessary for work.
• Access to top-tier courses, corporate online meetups, lectures, a comprehensive library, and 11 professional internal communities for career development.
• Comfortable offices in Kyiv’s Podil district with secure shelters. In the offices, you don’t have to worry about the routine: breakfasts, lunches, lots of snacks and fruits, lounges, massages and other benefits of office life are waiting for you 🙂

Join us!