RnD Engineer

Posted Yesterday
Be an Early Applicant
Vilnius, Vilniaus miesto savivaldybė, Vilniaus apskritis, LTU
Hybrid
31K-66K Annually
Mid level
Big Data • Information Technology
Oxylabs is a web intelligence collection platform, enabling companies worldwide to unlock the power of big data.
The Role
Develop and maintain scraping products and infrastructure, build new Python features using LLMs/ML and RAG, research and integrate new technologies, collaborate cross-functionally, and bring cutting-edge AI to scraping environments.
Summary Generated by Built In
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.

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 at least one programming language, ideally Python;

  • Experience building ML models from scratch;

  • Experience fine tuning ML models;

  • 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 RAG/Semantic Search systems;

  • 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/.

Up for the challenge? Let’s talk!

Skills Required

  • Proficiency in at least one programming language (ideally Python)
  • Experience building ML models from scratch
  • Experience fine tuning ML models
  • Experience with LLMs (e.g., OpenAI/Anthropic/Gemini APIs) and AI application development
  • Knowledge of DataOps practices and tools including version control (Git), Docker, and CI/CD
  • Experience with cloud infrastructure (ideally AWS)
  • Experience building RAG/Semantic Search systems
  • Experience building and maintaining Python backend APIs
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The Company
HQ: Vilnius, Lithuania
500 Employees
Year Founded: 2015

What We Do

Established in 2015, Oxylabs is a web intelligence acquisition solution and premium proxy provider, enabling companies of all sizes to utilize the power of big data. Constant innovation, an extensive patent portfolio, and a focus on ethics have allowed Oxylabs to become a global leader in the web intelligence collection industry and forge close ties with dozens of Fortune Global 500 companies. In 2022 and 2023, Oxylabs was named Europe's fastest-growing web intelligence acquisition company in the Financial Times’ FT 1000 list. Unlocking the power of web intelligence with Oxylabs! As businesses look for ways to create and optimize revenue streams, internal data is being exhausted, forcing companies to turn outwards. Organizations are now competing over external data insights that are fueling the digital economy's growth. Oxylabs proudly stands as a leading force in the web intelligence collection industry. Our innovative and ethical scraping solutions make web intelligence insights accessible to those that seek to become leaders in their own domain. Why choose us? Industry Leaders: As one of the market-leading companies, we offer cutting-edge web scraping solutions backed by the world's largest ethical proxy network. Partnering for success: We view our clients as partners, working hand in hand to maximize the benefits of our collaboration. Your success is our success. Elevate your business with our services: - Market Research: Gain insights that drive informed decisions. - Ad Verification: Ensure real audiences see your ads. - Brand Protection: Safeguard your online reputation. - Travel Fare Aggregation: Optimize travel-related pricing. - SEO Monitoring: Stay ahead in search engine rankings. - Pricing Intelligence: Make data-driven pricing decisions and more. Curious about how Oxylabs can supercharge your business? We're here to help! Drop us a line at [email protected].

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