Backend Developer (Golang)

Posted 7 Hours Ago
Be an Early Applicant
Vilnius, Vilniaus miesto savivaldybė, Vilniaus apskritis, LTU
Hybrid
4K-7K Annually
Entry level
Big Data • Information Technology
Oxylabs is a web intelligence collection platform, enabling companies worldwide to unlock the power of big data.
The Role
Design, develop, test, document, and deploy scalable Golang backend systems and microservices. Own the full development lifecycle, review technical designs and code, optimize services for performance and stability, and contribute to technical decisions. Work with high-load infrastructure, real-time data processing, event streaming, SQL and NoSQL databases, Kubernetes, Kafka, Redis, Docker, and GitLab CI.
Summary Generated by Built In
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 effortlessly
    • Write clean, tested, and documented code that delivers real business value
    • Own the entire development cycle — from research and prototyping to deployment
    • Deliver and review technical designs, code, and documentation
    • Contribute to technical decision-making in an early-stage, fast-growing project
    • Create, review, and maintain multiple microservices, optimizing them for performance and stability

Your skills & experiences:

    • Deep knowledge of Golang
    • Some experience with — or genuine interest in — other programming languages
    • Solid understanding of SQL and NoSQL databases: how they work, how to write optimized queries, and how to debug them
    • A firm belief in why automated tests can save the world
    • Experience with (or strong curiosity about) real-time data processing and event streaming
    • Passion for technology and a habit of constantly trying something new
    • Hands-on experience with some of the technologies we use extensively: Docker, Kubernetes, microservices, Kafka, MySQL clusters, GitLab CI, Redis
    • Comfort with ambiguity and rapid change
    • You 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:

  • Golang
  • Kafka
  • Redis
  • Kubernetes
  • Microservices GitLab
  • SQL & 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 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.
  • Up for the challenge? Let’s talk!

Up for the challenge? Let’s talk!

Skills Required

  • Deep knowledge of Golang
  • Experience with or genuine interest in other programming languages
  • Solid understanding of SQL and NoSQL databases, including optimized queries and debugging
  • Commitment to automated testing
  • Experience with or strong curiosity about real-time data processing and event streaming
  • Hands-on experience with Docker, Kubernetes, microservices, Kafka, MySQL clusters, GitLab CI, and Redis
  • Comfort with ambiguity and rapid change
  • Passion for technology and continuous learning
  • Playful communication style
  • Experience with DevOps practices, deployment pipelines, and automation
  • Understanding of web scraping
Am I A Good Fit?
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The Company
HQ: Vilnius, Lithuania
500 Employees
Year Founded: 2015

What We Do

Established in 2015, Oxylabs is a web intelligence acquisition solution and premium proxy provider, enabling companies of all sizes to utilize the power of big data. Constant innovation, an extensive patent portfolio, and a focus on ethics have allowed Oxylabs to become a global leader in the web intelligence collection industry and forge close ties with dozens of Fortune Global 500 companies. In 2022 and 2023, Oxylabs was named Europe's fastest-growing web intelligence acquisition company in the Financial Times’ FT 1000 list. Unlocking the power of web intelligence with Oxylabs! As businesses look for ways to create and optimize revenue streams, internal data is being exhausted, forcing companies to turn outwards. Organizations are now competing over external data insights that are fueling the digital economy's growth. Oxylabs proudly stands as a leading force in the web intelligence collection industry. Our innovative and ethical scraping solutions make web intelligence insights accessible to those that seek to become leaders in their own domain. Why choose us? Industry Leaders: As one of the market-leading companies, we offer cutting-edge web scraping solutions backed by the world's largest ethical proxy network. Partnering for success: We view our clients as partners, working hand in hand to maximize the benefits of our collaboration. Your success is our success. Elevate your business with our services: - Market Research: Gain insights that drive informed decisions. - Ad Verification: Ensure real audiences see your ads. - Brand Protection: Safeguard your online reputation. - Travel Fare Aggregation: Optimize travel-related pricing. - SEO Monitoring: Stay ahead in search engine rankings. - Pricing Intelligence: Make data-driven pricing decisions and more. Curious about how Oxylabs can supercharge your business? We're here to help! Drop us a line at [email protected].

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