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oxylabs

Open 68d

Lead Backend Engineer (PHP/Go)

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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 team builds and scales the core platform used by millions of users across 150+ countries, managing high-load APIs, heavy partner integrations, and massive big data challenges every single day. As a key engineer in this small, agile team, you will directly shape our open roadmap, influence what gets built, and introduce the newest development practices using a modern, fully containerized tech stack. We are currently in the middle of an exciting pivot, actively building the infrastructure for the AI training data space just as the entire ecosystem is being defined. Your job will be to solve these daily scalability challenges and drive the platform forward at a time when your architectural decisions have an immediate, global impact.

In this role, you will:

  • Lead, mentor, and support the development team while remaining actively involved in hands-on software development;

  • Design and develop scalable, reliable, and maintainable systems, writing clean, tested, and documented code;

  • Own and oversee the full development lifecycle - from research and technical design to deployment and production support;

  • Drive technical decision-making, review code and architecture, and establish high engineering standards and development practices;

  • Contribute to technical decision-making in an early-stage, fast-growing project;

  • Create, review, and maintain microservices, optimizing them for performance, stability, security, and scalability.

Your skills & experiences:

  • Have deep knowledge of PHP (preferably Symfony) and experience or interest in Golang, Node.js;

  • Know how SQL and NoSQL databases work and how to write optimized queries and debug them if needed;

  • Have practical experience with several technologies from our stack: Docker, Kubernetes, Kafka, MySQL clusters, GitLab CI, Redis, and automated testing;

  • Be able to guide technical decisions, review designs and code, mentor other developers, and help the team maintain high engineering standards;

  • Communicate clearly, take ownership, and enjoy sharing knowledge and helping others grow; previous formal team-lead experience is welcome but not required;

Nice to have:

  • Value playful communication over corporate BS.

  • Previous experience leading, mentoring, or coordinating developers, formally or informally

  • Any experience with DevOps practices (deployment pipelines, automation, etc.);

  • Familiarity with front-end technologies and frameworks (e. g. TypeScript, React, etc.).

Tech stack:

  • PHP;

  • Golang;

  • TypeScript, ReactJS;

  • Kafka;

  • Redis;

  • Kubernetes;

  • Microservices;

  • Gitlab CI;

  • SQL and NoSQL.

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: .

Up for the challenge? Let’s talk!

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