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.