Mid-Senior Backend Developer - Golang

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: We're scaling the development power of our Supply team, and we're looking for a Mid-Senior Backend Developer who lives and breathes Golang. At Oxylabs, you'll work on APIs and systems that operate at genuinely high loads — hundreds of servers handling hundreds of thousands of requests per second — in a fully containerized environment we've been running on Kubernetes in production for over seven years. This is an early-stage, fast-growing project where you'll own real problems end to end, influence technical direction, and get your hands on big data every single day. If you value playful communication over corporate BS and get energized by scalability challenges, keep reading. What you'll do: Design and build systems and solutions that scale effortlesslyWrite clean, tested, and documented code that delivers real business valueOwn the entire development cycle — from research and prototyping to deploymentDeliver and review technical designs, code, and documentationContribute to technical decision-making in an early-stage, fast-growing projectCreate, review, and maintain multiple microservices, optimizing them for performance and stability Your skills & experiences: Deep knowledge of GolangSome experience with — or genuine interest in — other programming languagesSolid understanding of SQL and NoSQL databases: how they work, how to write optimized queries, and how to debug themA firm belief in why automated tests can save the worldExperience with (or strong curiosity about) real-time data processing and event streamingPassion for technology and a habit of constantly trying something newHands-on experience with some of the technologies we use extensively: Docker, Kubernetes, microservices, Kafka, MySQL clusters, GitLab CI, RedisComfort with ambiguity and rapid changeYou value playful communication over corporate BS Nice to have: Experience with DevOps practices (deployment pipelines, automation, etc.)A clue on how web scraping works Our tech stack: GolangKafkaRedisKubernetesMicroservices GitLabSQL & NoSQL Salary & Benefits: Gross salary: 4000 - 6500 EUR/month. Keep in mind that we are open to discuss a different salary based on your skills and competenciesGrowth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharingHealth & Well-being: Private health insurance, psychotherapy, on-site well-being consultants, 24/7 gym access, and a wellness appCelebration & Community: Team events, an overseas workation, quarterly team-building budgets, and plenty of ways to mark milestones together Up for the challenge? Let’s talk! Up for the challenge? Let’s talk! We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.