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

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

Benefits offered by this job

Private medical care with Allianz

Multisport cafeteria package

Individual training budget

Job summary

TechTree seeks a mid/senior Fullstack Developer to build proprietary insurance platforms in a hybrid Poland-based setup (Kraków / Gdańsk / Łódź / Poznań).

You will work on Angular (TypeScript) frontends and Java/Spring Boot backends, leveraging AI-assisted Spec Driven Development to craft scalable, enterprise-grade solutions for international markets.

We run an international team, ship daily, and provide private medical care with Allianz, a Multisport pass, and an individual training budget.

Qualifications

• Strong Java/Spring Boot experience and interfaces with Angular (TypeScript).
• English at B2 level or higher, Polish at A1/A2 level.
• Openness to AI-assisted programming (Spec Driven Development).

Responsibilities

• Develop proprietary insurance products for Polish and international markets.
• Design, analyze, and implement solutions against business requirements.
• Build interfaces with Angular (TypeScript) alongside backend work in Java/Spring Boot.

Skills

Java

Spring Boot

Angular

Job description

Mid/Senior Fullstack Developer (Java 21+ / Angular 22+) — Insurance — Real AI in day-to-day coding, Spec Driven Development. Hybrid, Poland (Kraków / Gdańsk / Łódź / Poznań).

We're building an international team creating and developing proprietary, scalable Enterprise-class platforms for the global insurance sector, handling millions of operations a month across the full policy lifecycle and claims settlement.

AI here is a daily work tool — the team runs on Spec Driven Development, using AI agents for technical documentation, task specs, technical planning, and verification/testing, 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 against business requirements
• Build interfaces with Angular (TypeScript) alongside backend work in Java/Spring Boot

What We're Looking For

• Strong Java/Spring Boot experience and confidence building interfaces with Angular (TypeScript)
• 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.

What is TechTree?

TechTree combines AI agents with a human support team to give candidates a better, more transparent hiring experience.

Our AI Agent

gets to know your background, experience, and what you're optimising for. It continues matches you to live roles across our network where there's genuine alignment, not just keyword overlap.

Our Human Team

is there to support you through the process — answering questions, adding context, and making sure you're never left guessing or ghosted.

We only post real jobs. Every role on TechTree is a live, active hire.