Senior 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 The team waiting for you: They're building the next generation of web scraping platform - new high-scale product endpoints, designed Go-first. We're looking for a strong backend engineer who wants to grow into Go, treats AI tools as a core part of how they build, and likes owning real problems at scale In this role, you’ll: • Design and build new backend services and product endpoints, Go-first • Work across our current Node.js/TypeScript core while new components grow in Go • Write clear, tested, documented code that delivers real business value • Partner with engineers to shape architecture and review each other's work Your skills & experience: • 5+ years of backend development experience (any language). • Some hands-on Go, or a genuine drive to build in it. • Strong grasp of distributed systems and building for scale. • You use AI coding tools (Claude, Copilot, Cursor, Codex or similar) as part of your daily workflow - and you're curious about where AI fits into production systems, not just your editor. • Proactive, ownership-driven mindset and solid English and Lithuanian language knowledge. 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!