Jobs

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.

Intern Front-End Developer (Angular)

Are you passionate about frontend development and ready to take your first steps in a real-world project environment? Join our internship program and grow your skills in Angular, TypeScript, and modern web development!
 

For this internship, you need to have:

— Good knowledge of JavaScript/TypeScript;
— Basic practical skills in Angular 12+;
— In-depth theoretical knowledge of HTML/CSS/SCSS, including (Flex/Grid);
— In-depth understanding of Git and RestAPI;
— Analytical mindset;
— Ability to collaborate effectively in a team;
— Upper-Intermediate English level (both written and spoken).
 

Preferred to have:

— Understanding of TypeScript basics (union types, generic types);
— In-depth knowledge of Angular: understanding basic principles (RxJS operators, Directives/Pipe, Routes, Detection Strategy), a good understanding of Lifehooks in Angular.
 

About the project:

Our tool helps non-technical specialists create AI agents in CrewAI for business tasks using the Google Sheets interface, bypassing direct coding work in CrewAI.
 

Our selection process includes:

— HR interview;
— Tech interview;
— Final interview with the founders of the company.
 

We offer:

— Internship schedule: Monday to Friday, 10.00–19.00
— Office-based / remote work;
— No time trackers or other bureaucratic measures;
— Practical experience on internal projects;
— Networking with experienced professionals willing to share their knowledge and experience;
— Opportunity to obtain a contract with HYS Enterprise as a Junior specialist.
— Gifts for birthdays and professional holidays;
— Interaction with experienced professionals willing to share their knowledge;
— Participation in internal and external events.

While all CVs will be carefully reviewed and added to our talent pool, we will be in touch directly with candidates whose experience/knowledge best aligns with our current opportunities. Thank you for your understanding and interest in our company!

Про компанію HYS Enterprise
We’re a team of more than 200 highly-skilled engineers from all over the world who live and breathe the HYS Enterprise spirit.
Our culture is focused on understanding people. We inspire, teach, and support each other. Every team member brings their own knowledge, ideas, and experience to the table. We gather the best minds to do awesome things together.

We’re proud of our team and are always on the lookout for people who share our vision and values so we can deliver amazing results together.

We’re on the lookout for a Business Account Manager with solid hands-on experience working with game providers in the iGaming industry. If you know how this “kitchen” works from the inside and can easily build partnerships with casinos — we’d love to talk to you!
 

What you’ll do

• Develop and maintain strong partnerships with casinos and game providers.
• Create and implement strategies to improve the positioning of our games in casinos.
• Negotiate terms, promotions, discounts, and exclusive deals.
• Coordinate marketing activities and product launches with internal teams.
• Track performance, analyze results, and suggest improvements.
   

What we’re looking for

• Must-have: proven experience working with game providers in iGaming.
• Understanding of account management processes in casinos and providers.
• Excellent communication and negotiation skills.
• Analytical mindset, KPI-driven.
• English — upper-intermediate+ .
   

Nice to have

• Existing network of contacts in the iGaming industry.
• Background in B2B sales or business development.
• Familiarity with slot games and promotion mechanics.
  
  What We Offer:
• Flexible working hours & remote work opportunities
• Formal employment with paid sick leave (7 days/year) and annual vacation (21 days/year).
• A collaborative and innovative team culture where your ideas matter.
• The opportunity to shape high-performing games in a growing company.
• Personal attention and support for every team member.

We are looking for an Autonomous systems engineer with a background in physics, control theory and mathematical modelling. The ideal candidate will have a strong math background, experience with autonomous systems, modelling and control design.  

We consider engineers at Middle and Senior levels - tasks and responsibilities will be adjusted accordingly. 

Required Qualifications: 

• 3+ years in R&D software development 

• Mathematical modelling, system identification and control 

• Matlab/Simulink 

• Signal processing 

• Experience with C++, Python 

• Ability to quickly navigate through recent research and trends in control theory and autonomous systems. 

Nice to Have: 

• Aerodynamics fundamentals 

• Machine Learning 

• Simulation tools (Gazebo, AirSim) 

• SITL, HITL testing 

• PX4, Betaflight, ArduPilot 

We’re searching for a PR Manager who can make our brand stand out in the iGaming world. If you excel at storytelling, building strong media connections, and creating buzz around exciting projects — we want to hear from you!
 

What you’ll do

• Develop and maintain relationships with media, influencers, and industry partners.
• Create and execute PR strategies to increase brand visibility.
• Write press releases, articles, and content for different channels.
• Coordinate campaigns and events with internal teams.
• Monitor media coverage, analyze results, and suggest improvements.
   

What we’re looking for

• Must-have: proven experience in PR within the iGaming industry.
• Strong understanding of media relations and brand management.
• Excellent communication, writing, and negotiation skills.
• Analytical mindset, KPI-driven.

• English — upper-intermediate+.

   

Nice to have

• Existing network of contacts in iGaming media.
• Background in marketing or B2B communications.
• Familiarity with casino games and promotions.

What We Offer:

• Flexible, remote-friendly work environment.
• Formal employment with paid sick leave (7 days/year) and annual vacation (21 days/year).
• A collaborative and innovative team culture where your ideas matter.
• The opportunity to shape high-performing games in a growing company.
• Personal attention and support for every team member.

Senior Backend Developer (Node.js)

About Us

We are a leading global provider of video and audio advertising technology, helping top brands reach their target audiences through innovative programmatic solutions. Our platform leverages cutting-edge technology to offer real-time optimization, fraud detection, and a wide range of advertising formats across various devices. We are committed to redefining the digital advertising landscape and empowering our partners with the tools they need to succeed.

Role Overview

As a Senior Backend Developer, you will play a pivotal role in technically designing, developing, and maintaining new and robust backend services. You will work closely with our product and technical project managers to deliver high-quality solutions that meet our users' needs. In addition to your technical skills, we are looking for a strong leader who can independently manage and drive projects to completion.

Responsibilities

• Design, develop, and maintain robust and scalable backend systems using Node.js.
• Collaborate with the product team to understand business requirements and translate them into technical specifications.
• Lead and manage projects independently from inception to completion.
• Demonstrate experience in successfully leading projects alone.
• Optimize application performance and scalability.
• Integrate with third-party APIs and services.
• Implement and maintain secure coding practices.
• Contribute to the development and maintenance of our CI/CD pipelines.
• Mentor junior developers and share your knowledge and expertise.

Qualifications

• A Bachelor's degree in Computer Science, Software Engineering, or a related field from a reputable university.
• 4-5 years of hands-on experience as a backend developer, with a strong focus on Node.js. 
• In-depth knowledge of MySQL and Redis.
• Proven understanding and practical experience with AWS services, including Lambda, RDS, and Load Balancers.
• Experience with Docker and Kubernetes (K8s) environments.
• Ability to write effective automated tests for backend services.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration skills.
• Proven ability to lead and manage projects independently.
• Excellent spoken and written English.

Bonus Points

• Knowledge of additional programming languages or frameworks. (NestJS, etc.)
• Contributions to open-source projects.

What We Offer

• Opportunities for professional growth and development.
• A collaborative and supportive work environment.
• The chance to be part of a dynamic and innovative company.

If you are a passionate and skilled Senior Backend Developer who is looking for a challenging and rewarding opportunity, we encourage you to apply.

About Us

We are a leading Israeli IT company with 15 years of market experience and 8 years in Ukraine. Officially registered in Ukraine, Israel, and Estonia, we employ over 100 professionals worldwide. Specializing in successful startup collaboration, we offer services across e-commerce, Fintech, logistics, and healthcare.
Our client is a pioneering startup that has revolutionized data management with an advanced Excel-like solution, making information input as simple as a single click. Forget mastering endless functions—this program has it all in one place. With fantastic opportunities for candidates, including the chance to work with cutting-edge technology, grow within a fast-paced, innovation-driven team, and contribute to a product that’s making a real impact. Established over six years ago and recognized as one of Israel’s top startups, this company offers a dynamic environment where your skills and ideas can truly shine.

Key Requirements:
🔹 Bachelors degree in Computer Science or related field;
🔹 5+ years of experience in software development in a SaaS company;
🔹 Fluent in Python (Django);
🔹 Excellent knowledge and experience with building, optimizing, and maintaining large-scale production systems;
🔹 Experience with writing unit tests and integration tests;
🔹 Experience with Relational DBs (Postgres, MSSQL);
🔹 Experience and familiarity with Cloud Architecture and services;
🔹 English – Upper-Intermediate or higher;

Will be plus:

🔹 Familiarity with Azure;
🔹 Knowledge of RabbitMQ;
🔹 Knowledge of Celery;
🔹 Knowledge of Redis;
🔹 Knowledge of Excel Add-Ins.

What you will do:

🔹 Take part in developing the backend of the SAAS application;
🔹 Develop and lead end-to-end development of new features and services in a multi-service environment while maintaining high quality and standards;
🔹 Develop scalable web APIs, implement sophisticated business logic, and develop asynchronous services in a data-oriented, scalable application;
🔹 Take part in a multidisciplinary team involving algorithms/frontend/UI/DevOps;
🔹 Play a significant role in the entire development life-cycle, from design to production.

Interview stages:

🔹 HR Interview;
🔹 Tech interview with Team Lead;
🔹 Interview with PM;
🔹 Interview with VP R&D (optional);
🔹 Reference check;
🔹 Offer.

Why Join Us?

🔹 Be part of a friendly international team, working together on interesting global projects;
🔹 Enjoy many chances to grow, learn from mentors, and work on projects that make a real difference;
🔹 Join a team that loves fresh ideas and supports creativity and new solutions;
🔹 Work closely with clients, building great communication skills and learning directly from their needs;
🔹 Thrive in a workplace that values your needs, offering flexibility and a good balance between work and life.

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 Business Analyst to join our team!

Requirements:

- 2+ years of experience as a Business Analyst, Systems Analyst;

- Strong analytical and problem-solving skills to understand complex business processes, identify issues, and propose effective solutions;

- Excellent written and verbal communication skills to interact with stakeholders and to transfer received information to the developer team;

- Ability to elicit, document, and manage functional and non-functional requirements;

- Possession of a structured, process and result-oriented approach, a practical way to solve problems;

- Good understanding of the Software Development Life Cycle (SDLC);

- The flexibility to adapt to changing business environments and priorities, as well as to learn new tools and technologies;

- English Upper Intermediate level.

Responsibilities:

- Interaction with key stakeholders to gather and analyze business requirements, consulting them on opportunities and risks, describe use cases;
- Analysis of the elicited requirements and expectations and creation of requirements specifications (in the form of a user story, use cases);
- Creation and maintenance of documentation in areas of responsibility (requirements specifications, user manual, maintenance manual, etc.);
- Review and approve the user stories in collaboration with project managers and key technical specialists;
- Presentation of the user stories to the team, their clarification of incomprehensible and controversial points, and their updating and change as a result of discussion with the team;
- Interaction with QAs while preparing the test cases and testing product;
- Ownership and detailed understanding of the features and functions of products and applications from the area of ​​responsibility. This knowledge is used to identify opportunities and threats for new requirements;
- Sharing of knowledge and information with other departments of the company for the expansion and usage of advanced approaches and technologies.

What are the conditions and bonuses?

☘️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;
📍Beautiful offices in Warsaw, Limassol, Kyiv, Almaty, Yerevan work remotely or on-site with comfort and enjoy the opportunity to build a network of connections with professionals day by day;
🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided;
🏖Paid vacations, sick leave, personal events days, days off;
👨🏻‍⚕️Corporate health insurance program for your well-being;
💵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;
🧘Yoga classes to help you stay active and energized;
✈️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, special office days dedicated to holidays;
🎳Company events, team buildings.

RISK inc: An International iGaming Company Pushing the Boundaries of Entertainment

Who We Are:

An international iGaming company specializing in identifying and fostering the growth of high-potential entertainment markets. With 600+ professionals in 20+ locations, we operate in 10 countries, serving over 300,000 customers.
 

Always Pushing the Boundaries? You Already Belong at RISK!

Our global-scale operations are based on strong internal expertise, analytics, and data research. We have expertise in iGaming operations (sports betting, online casino), digital and affiliate marketing, tech solutions, and data analytics.

We are looking for a Linkbuilder to join our team.
 

Job Description

• Analyze competitors' backlinks and off-page strategies;
• Research and evaluate donor websites using SEO tools based on given criteria;
• Find contacts, send outreach emails, and communicate with webmasters to discuss publication terms;
• Maintain and update the domain database;
• Monitor link placement, quality, indexing, and effectiveness using linkchecker.pro;
• Content creation with ChatGPT or task setting for content managers;
• Participate in team meetings and prepare weekly/monthly project reports;
• Take part in testing new hypotheses.
   

Qualifications

• 1+ year in link building (experience in iGaming will be a strong plus);
• Experience with email marketing tools (Hunter.io, FindThatLead, etc.);
• Proficiency in Ahrefs, Similarweb, and other SEO platforms;
• Experience with link exchanges (Rotapost, Prposting, Whitepress, etc.);
• Knowledge of Google Spreadsheets (ability to use filters, conditional formatting, formulas);
• Checking the indexing of posted links, tracking posted links;
• Language: Ukrainian native, English B1
   

Additional Information

Our Benefit Cafeteria is Packed with Goodies:

• Children Allowance
• Mental Health Support
• Sport Activities
• Language Courses
• Automotive Services
• Veterinary Services
• Home Office Setup Assistance
• Dental Services
• Books and Stationery
• Training Compensation
• And yes, even Massage!

We are seeking an experienced Senior/Middle Data Scientist with a passion for large language models (LLMs) and cutting-edge AI research. In this role, you will design and implement a state-of-the-art evaluation and benchmarking framework to measure and guide model quality, and personally train LLMs with a strong focus on Reinforcement Learning from Human Feedback (RLHF). You will work alongside top AI researchers and engineers, ensuring our models are not only powerful but also aligned with user needs, cultural context, and ethical standards. The benchmarks and feedback loops you own serve as the contract for quality—gating releases, catching regressions before users do, and enabling compliant, trustworthy features to ship with confidence.

What you will do

• Analyze benchmarking datasets, define gaps, and design, implement, and maintain a comprehensive benchmarking framework for the Ukrainian language.
• Research and integrate state-of-the-art evaluation metrics for factual accuracy, reasoning, language fluency, safety, and alignment.
• Design and maintain testing frameworks to detect hallucinations, biases, and other failure modes in LLM outputs.
• Develop pipelines for synthetic data generation and adversarial example creation to challenge the model’s robustness.
• Collaborate with human annotators, linguists, and domain experts to define evaluation tasks and collect high-quality feedback.
• Develop tools and processes for continuous evaluation during model pre-training, fine-tuning, and deployment.
• Research and develop best practices and novel techniques in LLM training pipelines.
• Analyze benchmarking results to identify model strengths, weaknesses, and improvement opportunities.
• Work closely with other data scientists to align training and evaluation pipelines.
• Document methodologies and share insights with internal teams.

Qualifications and experience needed

Education & Experience:

• 3+ years of experience in Data Science or Machine Learning, preferably with a focus on NLP.
• Proven experience in machine learning model evaluation and/or NLP benchmarking.
• An 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.
• Solid understanding of RLHF concepts and related techniques (preference modeling, reward modeling, reinforcement learning).
• Ability to write efficient, clean code and debug complex model issues.

Data & Analytics:

• Solid understanding of data analytics and statistics.
• Experience creating and managing test datasets, including annotation and labeling processes.
• 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 is a plus.

Communication:

• Experience working in a collaborative, cross-functional environment.
• Strong communication skills to convey complex ML results to non-technical stakeholders and to document methodologies.

A plus would be

Advanced NLP/ML Techniques:

• Prior work on LLM safety, fairness, and bias mitigation.
• Familiarity with evaluation metrics for language models (perplexity, BLEU, ROUGE, etc.) and with techniques for model optimization (quantization, knowledge distillation) to improve efficiency.
• Knowledge of data annotation workflows and human feedback collection methods.

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) indicates 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 benchmarks, or familiarity with other evaluation datasets and leaderboards for large models, can be an advantage given our 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.

What we offer:

• Office or remote — it’s up to you. You can work from anywhere, and we will arrange your workplace.
• Remote onboarding.
• Performance bonuses for everyone (annual or quarterly — depends on the role).
• We train employees with the opportunity to learn through the company’s library, internal resources, and programs from partners. 
• Health and life insurance.
• Wellbeing program and corporate psychologist.
• Reimbursement of expenses for Kyivstar mobile communication.

DOOR3 is seeking Senior React/SharePoint Engineers to contribute to the development of enterprise-grade SharePoint intranet solutions. You will work on building custom site experiences, dynamic webparts, and integrating third-party services into scalable digital workplaces based on SharePoint and a specialized customization layer on top of it.

Location: remote from Europe.

Allocation: could be full-time or part-time, depending on your availability.

Essential Job Duties:

• Work directly on a Web application development team to produce best in class production using Front-End Technologies
• Develop within MVC frameworks such as ReactJS
• Administration of SharePoint sites
• Drive key strategic ideas regarding page performance
• Working directly with our UX designers, back-end developers and clients to implement cutting-edge experiences across a variety of presentation technologies.
• Working flexibly in an Agile development environment: must be able to keep pace with the development team and adapt to changing requirements

Required Skills and Experiences:

• Expert working knowledge of HTML and CSS, including preprocessors like SASS
• Expert knowledge of ReactJS and TypeScript
• Experience with Javascript Task Runners (Gulp)
• Experience with SharePoint framework (SPFx)
• Experience with Fluent UI
• Should be well versed with code optimization techniques
• Excellent written and verbal communication skills

Preferred Qualifications:

• Experience working with JS frameworks like VueJS, Handlebars
• Experience working with PnP JS
• Experience leading a team or mentoring
• Passion for writing clean, efficient code
• Ability to manage changing priorities, solve unfamiliar problems, and meet deadlines

You Are

• A problem-solver who thrives in collaborative and evolving environments
• Comfortable working independently or as part of a distributed team, mentoring other engineers
• Able to communicate effectively with technical and non-technical stakeholders
• Passionate about clean, maintainable, and well-documented code
• At least Intermediate/B2 English across all four skills

Join DOOR3 to help us build elegant, extensible digital workplaces that transform how teams connect and collaborate. If you're excited to deliver high-quality SharePoint solutions using cutting-edge tools, we want to hear from you.

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: Technical assignment.
Stage 3: Interview with VP of Engineering.
Stage 4: 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.

We're looking for a Creative Strategist with strong domain expertise in mobile gaming and digital performance creative to lead the strategic direction of our ad creative efforts. This person will serve as a trusted advisor across teams, owning the strategic thinking, research, ideation, and delivery planning that powers our best-performing ad content.

You’ll collaborate closely with Product, Creative Teams, and Customer Success to shape our high-performing video ads strategy.

Key Responsibilities

Strategic Ownership & Cross-Team Collaboration

• Act as a creative and domain expert—advise on best practices, drive creative solutions, and lead innovation.
• Work closely with Product, CS, and Creative Leads to define strategies, priorities, and development plans
• Provide creative and strategic input for PRDs (Product Requirement Documents), driven by insights and analytics

Market Research & Insights

• Conduct ongoing market research and competitive analysis to stay on top of trends
• Translate insights into actionable concepts and ideas across multiple game genres and formats
• Deliver trend analysis and domain insights to inform internal decisions and innovation

Performance-Focused Execution & Guidance

• Approve and guide initial deliveries—ensuring strong strategy alignment and meeting client requirements
• Evaluate concepts based on performance potential and data, rather than subjective preferences
• Approach every challenge and opportunity—with creative solutions and a proactive mindset and ownership
• Lead ideation sessions for new creative directions and campaigns, driven by objective thinking and aligned with data and performance goals
• Manage multiple projects and priorities with autonomy, ownership, and clarity

Qualifications

• 5–7 years of proven experience in creative strategy or user acquisition within the mobile gaming or creative marketing performance
• Deep domain knowledge of mobile gaming and creative content for performance marketing
• Proficiency in English—you’ll write, present, and collaborate globally
• Ability to juggle multiple projects and drive each forward with strategic clarity
• Strong communication and collaboration skills—you work well with Creative, Product, and CS
• A confident, self-sufficient thinker and doer—you take ownership and move things forward

• A true problem-solver with the creative intuition and fluent in data analysis

   

The Role

• A dedicated expert in mobile gaming ad strategy, with deep knowledge of game mechanics, player psychology, and performance marketing data.
• A strategic thinker who bridges insights across Product, Creative, and Customer Success.
• An independent advisor whose sole focus is to reflect what’s needed based on data—rather than speculations or subjective opinions.
• A single point of ownership for data-driven creative direction, ensuring all concepts are on-brand and optimized for performance.
• Drives cross-team alignment on ad strategy, trend insights, and campaign roadmaps, especially for new games.
• Translates performance data into the creative process: leads ideation sessions, reviews first videos, and keeps the ad pipeline cutting-edge and player-focused.
• Advises on creative tools, skills, or assets based on new game needs or market trends.

• Supports existing games with all of the above when there are clear struggles—primary focus will be on onboarding new games.

   

Responsibilities

Strategy & Ideation

• Provide insights to support PRD creation and sync with Product teams to align on features and dev goals.
• Build strategic roadmaps for new games—from first deliveries through the first month—to ensure impactful onboarding.
• Lead ideation and brainstorming sessions to generate fresh, audience-tailored ad concepts.
• Review and approve first video ads, ensuring they align with strategic and performance goals.
• Ideate the first concept rounds, then guide Creative Leads on future ideations and support the creative direction of initial deliveries.

Market Trends & Insights

• Analyze key metrics (CTR, CPI, ROAS) and recommend optimizations or new test directions based on performance.
• Share insights with stakeholders (CS and Creative) to empower better decision-making. Act as a trusted advisor and knowledge hub.
• Ensure new game strategies and roadmaps are data-driven—not assumption-based.
• Share lessons learned and best practices across the Astra team.
• Advise clients strategically when high-level input is needed.

Improvement & Innovation

• Continuously seek out tools or techniques that can improve video quality and efficiency.
• Creative strategies and decision-making will be tied to KPIs to ensure ongoing growth and accountability.
• Identify negative trends in performance and build a strategic plan to reverse them.

Main Efforts

• New games
• Bad performance
• Categories / genres

Actual Work Overview

• Definitions For Development - Identify key game features from Sales and research, and define them for the PRD.
• Roadmaps Collaboration - Help the CS team create and update ad rollout plan for each game, from the first videos to long-term performance strategy.
• Creative Strategy Sessions - Lead frequent strategic thinking sessions with team leads to align on creative direction, campaign goals, and industry-level market trends.
• Ideation Optimization -
  • Ideation Knowledge Hub - Serve as the go-to expert on ideation techniques, advising Creative Leads and CS on best practices.
  • Cross-Project Learning - Capture lessons learned from each campaign and share insights to continually refine our brainstorming processes.

• New Games Strategy & Approval -

  For the first three deliveries: performance alignment video, 1st and 2nd deliveries:

  • Define the creative approach in collaboration with stakeholders - CS.
  • Ideate concepts in collaboration with stakeholders - Team Leads.
  • Participate in the approval process for all three deliveries.
  • Participate in performance alignment sessions with the client to ensure strategic and creative alignment.
• Analyze underperforming creatives - review samples, identify issues, and provide recommendations.
• Creative Insights - Continuously research market trends and competitor strategies to suggest ideas for creative improvement.
• Act as an expert in client sessions - Present new creative approaches and clearly explain the rationale behind them.
• Explore Capabilities - Continuously search for new concepts, strategies, and ideas to strengthen our exploration and innovation efforts.
• Cross-Functional Documentation - Maintain a centralized playbook of best practices, ideation techniques, and creative templates to support the Astra team and improve efficiency
• Advice on Tool & Innovation- Suggest new tools, techniques, or AI hacks to speed up production and raise quality.