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Senior Backend Engineer

51 minutes ago

Ljubljana, Ljubljana, Slovenia Gamdom Full time

We are looking for a Senior Backend Engineer to join our growing engineering team. In this role, you will be responsible for designing, building, and maintaining scalable backend services that power our platform. You will work on real-time systems, optimize performance, and collaborate closely with product and engineering teams to deliver high-impact features. This is a hands-on role where you will influence architecture decisions and help shape best practices across the backend team.

Responsibilities:

  • Backend Engineering: Design, implement, and maintain scalable backend services using (Express) and TypeScript.

  • System Design: Own technical decisions, service boundaries, API design, and reliability patterns for backend components.

  • Database Ownership: Design schemas, write and optimize SQL, and improve PostgreSQL performance (indexes, query plans, migrations).

  • Real-Time Functionality: Build and operate real-time features using WebSockets ), ensuring stability under load.

  • Performance and Scalability: Improve throughput and latency, and proactively address bottlenecks across services and the database.

  • Quality and Testing: Write and maintain unit and integration tests, raising overall engineering quality.

  • Debugging and Incident Support: Troubleshoot complex production issues across the stack and implement long-term fixes.

  • Collaboration: Work closely with product owners and engineering teams to deliver high-impact features with predictable execution.

  • Continuous Improvement: Contribute to better tooling, standards, and engineering practices across the backend team.

Requirements:

  • Proven experience as a Senior Backend Engineer (or backend-focused Full-Stack Engineer) delivering production systems at scale.

  • Strong expertise in and Express with TypeScript.

  • Strong proficiency in PostgreSQL, including schema design, migrations, data modeling, and query optimization.

  • Hands-on experience with WebSockets and real-time systems (preferably ).

  • Strong problem-solving skills and ability to work independently on ambiguous, complex tasks.

  • Solid communication and collaboration skills in a fast-paced, cross-functional environment.

  • Experience with CI/CD pipelines and DevOps practices.

Nice to Have:

  • Experience with and state management (MobX is a plus) for occasional frontend contributions.

  • Experience with crypto transactions.

  • Familiarity with testing frameworks like Jest or Mocha.

  • Experience working in Agile/Scrum teams.

Why Join Us?

  • Fully remote - work from anywhere in the world

  • Flexible schedule

  • 25 days of paid time off

  • Equipment allowance