Senior Software Engineer - Infrastructure (Toolbox App)

Jetbrains

Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Warsaw, Poland (Armenia, Cyprus, Czech Republic, Germany, Poland, Serbia) permanent

Posted: February 24, 2026

Job Description

At JetBrains, code is our passion. Ever since we started, back in 2000, we have strived to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create.

We are the dedicated team behind the Toolbox App, the central hub for managing all JetBrains IDEs and development tools. The app completely reimagines how developers discover, install, and update their software, offering effortless version management and project linking. This allows developers to focus purely on coding, supported by a clean, organized system.

Our cloud infrastructure is evolving, and you'll be joining us to drive this change. It currently includes:

• A legacy static metadata delivery system (served via CDN).

• A process for building and publishing metadata on demand.

• A new web service that provides dynamic, rule-based metadata handling.

The web service is the core of our current development efforts. It is built using the Spring framework, utilizes Postgres for persistence, Redis for caching, and S3 for blob storage.

If you are passionate about infrastructure migration, developing robust backend systems, and collaborating on high-impact tools, we'd like to hear from you.

In this role, you will:

• Lead the migration from our legacy metadata delivery system to the new, modern infrastructure.

• Design, develop, and optimize core features of the Toolbox infrastructure, enhancing communication and service reliability.

• Work closely with team members to define the architecture and technical roadmap for future enhancements.

• Take full ownership of key backend components, driving them from initial concept through to deployment and operation.

We’d be happy to have you on our team if you have:

• Solid programming experience with Java or Kotlin.

• Experience with CI tools is a plus.

• Experience with the Spring framework.

• The ability to quickly understand, analyze, and contribute to existing codebases (both product and test code).

• A strong capacity to grasp new concepts rapidly and to thrive both independently and as part of a collaborative team.

• A proactive mindset with a willingness to propose new ideas and drive continuous improvement in our engineering practices and approaches.

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