Mid/Senior Java Backend Engineer — Insurance

This is a role that TechTree is recruiting for on behalf of one of our clients. TechTree is an AI-driven recruitment platform working with high-growth companies.

When you apply, our AI Agent matches you not just to this role , but to other relevant opportunities across our network, so one application can unlock multiple roles. Mid/Senior Java Backend Engineer — Insurance — Build scalable Enterprise platforms for global insurance. Hybrid, Poland (Kraków / Gdańsk / Łódź / Poznań). Join an international team (Scandinavia / Belgium / Poland) building proprietary, scalable Enterprise-class platforms for the global insurance sector, processing millions of operations a month across the full policy lifecycle and claims settlement — including financial settlement, accounting, investment fund, and claims modules.

We're looking for an experienced Java Backend Engineer (5+ years) with a strong backend foundation and openness to gradually growing into Angular/frontend work over time.

What You'll Do → Design and develop backend services in Java (Spring Boot) for financial settlement, accounting, investment fund, and claims-handling modules

→ Build and maintain high-performance REST APIs and integrations with external providers

→ Own architecture and code quality — Clean Code, design patterns, code review

What We're Looking For → 5+ years of commercial Java/Spring Boot experience and strong REST API design skills

→ English at B2 level or higher, Polish at A1/A2 level

→ Openness to AI-assisted programming (Spec Driven Development)

Up to 25,000 PLN gross (UoP) or B2B equivalent, plus private medical care with Allianz, a Multisport cafeteria package, and an individual training/conference budget.

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