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November 4, 2026

Senior Backend Engineer (Java)

Senior • Remote

22,000 - 26,500 PLN/yr

Berlin, BE, Germany

Quick Facts

  • Role: Senior Backend Engineer (Java)

  • Focus: Senior-level backend development in modern Java (17+)

  • Work model: Remote-first

Description

Design, build, and maintain backend services using modern Java (17+), with room to shape the architecture. Lead senior decisions across API design, data modeling, concurrency, performance, and trade-offs, and collaborate with clients and teammates through to deployment.

Responsibilities

  • Design and maintain backend services in Java (17+)

  • Make senior-level calls on API design, data modeling, concurrency, performance

  • Collaborate with clients and teammates on features and deployments

  • Review PRs and provide feedback to keep the codebase elegant and reliable

  • Contribute ideas beyond assigned tickets

Requirements

  • 8+ years of backend Java experience

  • Fluency in the modern JVM ecosystem (Spring Boot or similar, build tooling, testing)

  • Deep experience with concurrency, correctness under load, and API design

  • Pragmatism in choosing design patterns vs. ceremony

  • Ability to work independently and asynchronously in a remote setup

  • Consistent progress reporting via PRs and up-to-date project boards

  • Ability to use AI/LLMs as a force multiplier

  • Optional: interest in occasionally working on TypeScript/React

Benefits

  • 100% remote with no offices and no micromanagement

  • Active senior developer founders who code, review, and mentor

  • Annual in-person meet-up with company-paid travel, hotel, and dinners

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