Senior Backend Engineer (Node.js)

Oxylabs

Warszawa

On-site

PLN 249,798 - 299,209

Full time

14 days+

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Benefits offered by this job

Private health insurance

24/7 gym access

Mentorship opportunities

Team events and overseas workations

Extra days off

Job summary

Oxylabs, located in Warsaw, Poland, is looking for a professional to lead the design and delivery of scalable web scraping solutions. In this role, you will enhance coding standards through mentorship and take responsibility for tasks from discovery to delivery in an Agile environment.

As an ideal candidate, you will have deep expertise in Node.js and a proven history of designing high-traffic solutions. Additional benefits include private health insurance and extensive growth opportunities.

Qualifications

Proven track record of designing high-traffic, scalable solutions.
Ability to drive best practices within the team.
Experience leading R&D initiatives and/or introducing new technologies.

Responsibilities

Lead the design and delivery of scalable, high-performance systems.
Mentor team members and conduct thorough code reviews.
Troubleshoot complex issues and contribute to product research.

Skills

Deep expertise in Node.js

Leadership in technical discussions

Understanding of distributed systems

Proficient in automated testing frameworks

Experience with Docker and Kubernetes

Job description

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:

60PB+ monthly data traffic through our systems

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.

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.

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.

We’ve put together a benefit package to make you feel taken care of and comfortable — so you can focus on growing as a professional and achieving wins. Check out the complete list here.

Learning Resources

Vast internal & external learning resources

Guilds, communities & 500+ professionals by your side

Tesonet network & knowledge sharing

Celebration

Yearly workation

Year‑round internal & Tesonet community events

Comfort

Cyber City office perks

Hybrid work (3 office days/ 2 WFH) & WFA options

Latest tools, gadgets & tech stack

Extra days off