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4 jobs
TechTree
8 views 3 weeks ago

Full Stack Engineer

Open 18d Europe
Poland

Full Stack Engineer at a seed-stage startup building an AI-native command centre for defence logistics. Day to day: full-stack development (frontend, backend/APIs, PostgreSQL schemas), integrating legacy government/ERP systems, and shipping customer-driven features onsite in Warsaw, with mandatory relocation to the US after 6 months. $75k-$120k plus equity.

AI API ERP PostgreSQL SQL
75K – 120K $
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TechTree
7 views 3 weeks ago

Senior Java Backend Engineer - Spring Boot, Hybrid (Poland)

Open 23d EuropeSenior
Poland

TechTree is hiring a Mid/Senior Java Backend Engineer in Poznań (hybrid) to build scalable, enterprise-grade platforms for the global insurance sector, covering financial settlement, accounting, and claims modules. Day to day: designing Java/Spring Boot services and high-performance REST APIs while contributing to architecture and code quality.

API Java REST Spring
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TechTree
8 views 4 weeks ago

Senior Java Backend Engineer – Insurance (Hybrid)

Open 25d EuropeSenior
Poland

TechTree is hiring a Senior Java Backend Engineer in Poland (hybrid) to design and build Java/Spring Boot backend services for enterprise insurance platforms, focusing on financial settlement, accounting, and claims modules, with RESTful APIs and external integrations in an Agile/SAFe environment.

Agentic AI Agile AI Angular API +15 skills
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TechTree
9 views 4 weeks ago

Mid/Senior Java Backend Engineer - Insurance

Open 25d EuropeContractSenior
Poland

Build backend services in Java/Spring Boot for enterprise insurance platforms covering policy lifecycle, claims settlement, accounting, and investment funds, with REST APIs and integrations. The role starts backend-focused with gradual growth toward fullstack (Angular/TypeScript), using AI-assisted Spec Driven Development in an Agile/Scrum team.

Agentic AI Agile AI Angular API +15 skills
up to 25K PLN / mo
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