Senior Backend Engineer (Node.js)

Company: oxylabs
Location: Vilnius
Type: full_time
Posted: Aug 19, 2026
Views: 11

✨ AI Summary

Oxylabs, a leader in proxy and web data scraping solutions serving Fortune 500 companies, is hiring a Senior Backend Engineer in Vilnius. You will lead the design of scalable systems handling 60PB+ monthly traffic, using Node.js, microservices, and distributed systems. Requires deep Node.js expertise, experience mentoring teams, and strong testing skills; Docker/Kubernetes and React are nice to have. Gross salary starts at 5800 EUR/month, with benefits like private health insurance, gym access, and learning opportunities.

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 solving complex challenges and maintaining our own infrastructure with 60PB+ monthly data traffic. Here are its scale and maturity in numbers:

- 6PB+ Ceph storage
- 60PB+ monthly data traffic through our systems
- 300k+ service requests/sec processed
- 500k+ Kafka messages/sec streamed

In this role, you’ll:

  • Lead the design and delivery of scalable, high-performance systems and web scraping solutions.
  • Elevate coding standards and team expertise through mentorship and thorough code reviews.
  • Take full responsibility for tasks from discovery to delivery within Agile workflows.
  • Troubleshoot complex issues while contributing to product research and new idea development.

    • Your skills & experience:

  • Deep expertise in Node.js with a proven track record of designing high-traffic, scalable solutions.
  • Experience leading technical discussions, guiding team members, and driving best practices.
  • Strong understanding of distributed systems, microservices, and performance optimization.
  • Proficient in automated testing frameworks (Unit and E2E) and writing testable code.
  • Proactive, solution-oriented mindset with excellent written and spoken English and Lithuanian.

    • Nice to have:

  • Familiarity with React/JS to understand how backend logic is visualized.
  • Skilled in using Docker and Kubernetes for deployment and orchestration.
  • Experience leading R&D initiatives and/or introducing new technologies/AI tools.

    • Salary & Benefits:

  • Gross salary: from 5800 EUR/month. Keep in mind that we are open to discussing a different salary based on your skills and experience.
  • 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!
    Apply Now ♡ Save Job

    About the Company

    Name: oxylabs

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