Oxylabs
Oxylabs16d ago

Senior Backend Engineer (Node.js)

VilniusFull Timesenior
EngineeringOtherBackend EngineeringSenior Backend Engineer
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Quick Summary

Overview

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.

Technical Tools
EngineeringOtherBackend EngineeringSenior Backend Engineer
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
  • Architecture & Development: Lead the design and delivery of scalable, high-performance systems and web scraping solutions.
  • Mentorship & Quality: Elevate coding standards and team expertise through mentorship and thorough code reviews.
  • Ownership: Take full responsibility for tasks from discovery to delivery within Agile workflows.
  • Support & Innovation: Troubleshoot complex issues while contributing to product research and new idea development.
  • Backend: Deep expertise in Node.js with a proven track record of designing high-traffic, scalable solutions.
  • Technical Leadership: Experience leading technical discussions, guiding team members, and driving best practices.
  • System Design: Strong understanding of distributed systems, microservices, and performance optimization.
  • Testing: Proficient in automated testing frameworks (Unit and E2E) and writing testable code.
  • Attitude & Communication: Proactive, solution-oriented mindset with excellent written and spoken English and Lithuanian.
  • Frontend Knowledge: Familiarity with React/JS to understand how backend logic is visualized.
  • DevOps: Skilled in using Docker and Kubernetes for deployment and orchestration.
  • R&D Leadership: Experience leading R&D initiatives and/or introducing new technologies/AI tools.
  • Gross salary: from 5800 EUR/month.
  • Keep in mind that we are open to discussing a different salary based on your skills and experience.
  •  
    To support your professional growth and make you feel taken care of, we’ve put together an expansive benefit package. It covers learning, well-being, celebration, and much more  — learn all about it here.

    Location & Eligibility

    Where is the job
    Vilnius
    Hybrid — some on-site time required
    Who can apply
    Same as job location
    Listed under
    Worldwide

    Listing Details

    Posted
    April 12, 2026
    First seen
    April 12, 2026
    Last seen
    April 29, 2026

    Posting Health

    Days active
    16
    Repost count
    0
    Trust Level
    32%
    Scored at
    April 29, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Oxylabs
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    Oxylabs is a premier web data gathering company, offering extensive proxy solutions for accurate and efficient data extraction.

    Employees
    350
    Founded
    2015
    View company profile
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    OxylabsSenior Backend Engineer (Node.js)