Mid/Senior Fullstack Developer (Java 21+ / Angular 22+) - Insurance

TechTree; Polska; Hybrid; PLN 254,000 - 304,000; Full time

Benefits offered by this job

Private medical care

Training plan

International projects

Job summary

TechTree in Poland is seeking a skilled Java developer to build proprietary insurance products for Polish and international markets. You will design, analyze, and implement solutions according to business requirements, introduce new features, fix bugs, and maintain code quality through Clean Code and code reviews.

Collaborate with BA, QA and Scrum Master on software development and rolling out system versions.

Qualifications

• Experience building and developing web applications.
• Strong knowledge of Java and Spring Boot, REST APIs.
• Frontend experience with Angular/TypeScript.
• APIs design, testing (TDD) and code quality practices.

Responsibilities

• Develop proprietary insurance products for Polish and international markets.
• Design, analyze, and implement solutions per business requirements.
• Introduce new features and fix bugs in existing apps.
• Maintain code quality through Clean Code and code reviews.
• Collaborate with BA, QA and Scrum Master on releases.

Skills

Java

Spring Boot

REST APIs

Angular

TypeScript

Docker

Kubernetes

SOLID

TDD

MongoDB

PostgreSQL

Tools

MongoDB

PostgreSQL

Job description

We're building an international team creating and developing proprietary, scalable Enterprise-class platforms for the global insurance sector. Our systems manage the full policy lifecycle and claims settlement processes end to end, handling millions of operations per month.

AI on our team is an everyday work tool - we work in a Spec Driven Development paradigm: we use AI agents for technical documentation, task specification, building technical plans, and verifying and testing work, in an ecosystem integrated with Google Workspace AI.

What You'll Do

Develop proprietary insurance products for Polish and international markets

Design, analyze, and implement solutions according to business requirements

Introduce new features and fix bugs in existing applications

Maintain code quality through good practices: Clean Code, code review

Collaborate with the project team (BA, QA, Scrum Master) on software development and rolling out new system versions

What We're Looking For

Experience building and developing web applications

Strong knowledge of Java and the Spring Boot ecosystem, skills designing high-performance REST APIs

Confidence building interfaces with Angular (TypeScript)

Architectural thinking - SOLID, Clean Code, TDD

Practical experience working with document databases (e.g. MongoDB) and relational databases (e.g. PostgreSQL)

English at B2 level or higher

Polish at A1/A2 level

Openness to AI-assisted programming in the Spec Driven Development model

Nice to Have

Understanding of insurance product specifics, claims settlement processes, or market regulations

Experience designing distributed systems, working with Docker/Kubernetes, and performance optimization

Practical knowledge of DDD (Domain-Driven Design), Event-Driven Architecture, or advanced experience with automated testing (TDD, integration tests)

Terms of Cooperation

Work model: initial onboarding period (up to 3 months) more often from the office, eventually hybrid - 3 days office / 2 days remote

Salary: up to 25,000 PLN gross (employment contract) or B2B equivalent

B2B: paid leave (20-26 days, agreed with the Hiring Manager)

What's In It For You

Private medical care with Allianz - for you and your family

Individual training and conference plan

Participation in international projects for the financial and insurance sector

Development path: expert (technical/business) or managerial

Recruitment Process

Screening call (15-20 min)

Optional Codility test

Meeting with the Hiring Manager (60 min)