Bitmedia Labs is an international product IT company that has been building ambitious, innovative products for millions of users worldwide since 2014 , combining deep tech expertise with a creative mindset.
Our ecosystem spans:
• Game Development — building the next generation of Web3 gaming, where gameplay comes first, players own their assets, and developers thrive within massive, engaged communities. • Digital Marketing Ecosystem — building a unified ecosystem that combines a leading high-performance advertising platform with emerging media and affiliate solutions.
Responsibilities:
• Conduct R&D in the field of artificial intelligence and machine learning; • Design and implement RESTful API endpoints for AI-powered applications using FastAPI/Flask; • Develop background workers and task queues for asynchronous AI processing and model inference; • Engineer effective prompts for large language models and fine-tune models for specific business use cases; • Prepare and develop AI concepts and prototypes to solve business challenges; • Design and engineer effective prompts for large language models; • Train, fine-tune, and optimize machine learning models for specific use cases; • Develop and implement RAG (Retrieval-Augmented Generation) solutions; • Create and integrate AI-powered bots, virtual assistants, and chatbots; • Work with various LLM APIs (OpenAI, Anthropic Claude, Google Gemini, LLaMA, etc.); • Implement ML models for data analysis, NLP tasks, and content generation; • Build data processing pipelines and workflows; • Form and test hypotheses to improve product metrics and user engagement; • Collaborate with product teams to implement AI features that solve real user problems.
Required Qualifications:
• Solid experience with Python programming and software development; • Hands-on experience working with LLM models and APIs (OpenAI, Claude, Gemini, LLaMA, etc.); • Practical knowledge of AI/ML libraries and frameworks (LangChain, Hugging Face, PyTorch, TensorFlow); • Experience with vector databases (Pinecone, Weaviate, Qdrant, etc.) and embeddings; • Demonstrated expertise in prompt engineering techniques and best practices; • Basic experience with model fine-tuning and training pipelines; • Strong SQL skills and experience with relational/NoSQL databases; • Proven experience building APIs and backend services (RESTful APIs, background workers, task queues, data processing services) and understanding of application architecture and system design principles; • Strong problem-solving skills, ability to work independently with minimal supervision, and capacity to research and learn new technologies autonomously; • Experience with debugging, troubleshooting, and optimizing AI/ML solutions.
Preferred Qualifications:
• Experience with cloud platforms (AWS, GCP, Azure) for AI/ML deployment and production implementation of AI solutions; • Knowledge of Docker containerization, DevOps practices, MLOps, model monitoring, and CI/CD pipelines; • Understanding of semantic search techniques, advanced embedding strategies, and experience processing unstructured data (text, images, audio) at scale; • Proficiency with data visualization tools and techniques (Plotly, D3.js, Tableau); • Working knowledge of web technologies fundamentals (HTML5, CSS3, JavaScript); • Knowledge of authentication, authorization, and security best practices for AI applications.
Hiring process:
• Intro call with a Recruiter — Technical Interview with the Hiring team — Collection of Recommendations — Offer.
Join Bitmedia Labs to evolve, explore, and make a real difference — together. Our culture is built on openness, trust, and support. We value initiative, ownership, and results. We work as one team — helping each other, celebrating wins, and learning from challenges together. We offer the freedom and space to grow:
• Professional growth and self-realization through ambitious products; • The opportunity to bring your ideas to life, experiment, and directly influence the product’s development; • Collaboration with talented teammates united by a shared goal.
We also care about well-being and balance:
• Flexible schedule and the option to work remotely or from our hubs in Kyiv, Warsaw, and Berlin; • Competitive compensation, regular performance reviews, paid vacation, sick leave, and public holidays; • Modern Apple equipment and thoughtful corporate gifts for holidays and personal milestones. • Support for your growth: courses, workshops, and conferences.
Through our charity foundation Bit Spilka, run by volunteers from our team, we support the military, medics, and civilians across Ukraine — already delivering over $500,000 in aid. Here, your work also drives social impact, and you can also join our volunteer initiatives.
If this resonates with you , send your CV and join us. Let’s foster the world together!
