RnD Engineer Engineering OxyBrain Vilnius Vilnius Full Time We’re a team of 500+ professionals who develop cutting-edge proxy and web data scraping solutions for thousands of the world’s best known businesses, including Fortune 500 companies. What’s in store for you: You’ll be developing complex products with high coding standards, maintaining our own infrastructure, handling petabytes of data, and solving challenges on a daily basis. We got you covered with a team of strong professionals to support you, a well-built tech stack, and loads of ownership. Up for the challenge? Let’s talk! In this role, you’ll:

Build new features using Python, LLMs/ML & RAG;

Research new technologies which could be used to improve existing features or create new ones;

Collaborate with cross-functional teams to identify the need for new features/technologies;

Bringing cutting edge AI technologies to scraping environments;

Your skills & experience:

Proficiency in Python programming language;

Experience building/ fine tuning ML models from scratch;

Experience building RAG/Semantic Search systems;

Experience with LLMs (e.g., OpenAI/Anthropic/Gemini APIs) and AI application development;

Knowledge of best DataOps practices and tools including version control systems (e.g., Git), Docker, and CI/CD;

Nice to have:

Experience with cloud infrastructure (ideally AWS);

Experience building and maintaining Python backend APIs;

Tech stack:

Python;

AWS;

LLM SDKs and agentic systems;

Airflow;

Cursor/Claude Code for coding;

Salary & Benefits:

Gross salary: 2600 - 5500 EUR/month. Keep in mind that we are open to discuss a different salary based on your skills and competencies.

Growth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing.

Health & Well-being: Private health insurance, psychotherapy, on-site well-being consultants, 24/7 gym access, and a wellness app.

Celebration & Community: Team events, an overseas workation, quarterly team-building budgets, and plenty of ways to mark milestones together.

Plus bonus vacation days, paid life-moment days off, barista coffee, and all the tools you need. See the full list of benefits here: https://career.oxylabs.io/blog/our-work-benefits/.

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