Lead Backend Developer (PHP / Symfony)

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  2. Symfony
  • Company Oxylabs
  • Employment Full-time
  • Location 🇱🇹 Lithuania, Vilnius
  • Submitted Posted 1 week ago - Updated 4 hours ago

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:
  • Our Dashboard team owns the self-service platform every Oxylabs customer uses - the product that directly moves company revenue. You'll step in as the hands-on Tech Lead for one of our squads (PLAG or EP), working side by side with our Principal Engineer and setting the technical bar for ~14 engineers across two squads. We're mid-way through a major V3 architecture migration and scaling fast, so this is a timely moment to join: there's real architectural room here to make meaningful decisions, not just execute someone else's design.


In this role, you will:
  • Lead, mentor, and support one Dashboard squad while staying deeply hands-on in code - this is a genuine 50% IC role
  • Design and develop scalable, reliable, and maintainable systems across our Symfony 7 backend
  • Own the full development lifecycle for major features - from technical design and RFCs to deployment and production support
  • Drive architecture decisions in partnership with our Principal Engineer and help finish shipping the V3 migration
  • Raise engineering standards across code review, testing discipline, incident response, and observability
  • Contribute to cross-team architecture at the Dashboard product level, including Payments integration and outbox/Kafka patterns
  • Apply our leadership principles to guide your team and drive results


Your skills & experiences:
  • Deep PHP experience with Symfony strongly preferred (we're on Symfony 7.2 / PHP 8.3), plus practical MySQL 8 skills - query optimisation, indexing, and migrations at scale
  • Hands-on experience with Kafka, Redis, Docker, Kubernetes, and GitLab CI
  • Solid architecture chops - event-driven patterns (outbox), dual-database designs, and API design
  • Able to guide technical decisions, review designs and code, and mentor senior and mid-level engineers
  • A clear communicator who takes ownership, enjoys knowledge sharing, and gives constructive feedback


Nice to have:
  • Experience with payments/billing systems
  • DevOps/SRE inclinations, or prior work on multi-tenant self-service platforms.


Tech stack:
  • PHP 8.3, Symfony 7.2
  • MySQL 8, Redis, Kafka (outbox pattern)
  • Kubernetes, GitLab CI, Docker
  • Dual DB: Dashboard DB (users, products) + Payments DB (transactions, billing)
  • Frontend: React 19 / RTK Query


Salary & Benefits:
  • Gross salary: 6500 - 7300 EUR/month. Keep in mind that we are open to discuss a different salary based on your skills and competencies.
  • 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!

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