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# Senior Full-Stack Engineer (Java / Spring Boot / React)

- **Company:** WhyBrilliant GmbH
- **Location:** München, Germany (Remote available)
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Microsoft Azure, Software Quality, Code Review, Continuous Integration, Open Source Technology, Rapid Prototyping Process, Software Engineering, TypeScript, ReactJS, Spring-boot, Kubernetes, Domain Driven Design
- **Published:** October 29, 2026
- **Apply:** https://www.adzuna.de/details/5946528664

## About the Role

We are scaling our engineering team past 6+ developers and need an experienced, autonomous full-stack builder to work alongside our CTO and senior developers on heavy execution. Your balance of rapid prototyping and rigorous architectural discipline (Arc42, DDD, TDD/BDD) ensures we move fast without sacrificing long-term code quality. In our flat structure, your contributions directly accelerate platform velocity while lifting team craft across the board., * ~7+ years of software engineering experience delivering robust, production-grade applications.

 * Deep hands-on expertise with Java, Spring Boot, TypeScript, and React.
 * Strong practitioner of TDD, BDD, and structured domain modeling (Arc42/DDD).
 * Dedicated software craftsman with personal coding projects or open-source repositories to show.
 * Comfortable collaborating closely as a peer and mentoring junior developers in a flat team.
 * Based in Munich (or relocating) for regular in-office collaboration.

## Description

Full-stack feature delivery, clean domain modeling, and hands-on technical contributions across our core platform.

 * Design, build, and ship end-to-end full-stack features using Java, Spring Boot, TypeScript, and React.
 * Collaborate closely with the CTO and senior developers on architecture, system design, and heavy execution.
 * Apply rigorous engineering standards including TDD/BDD, Arc42 architectural documentation, and Domain-Driven Design.
 * Leverage AI-agent pairing workflows and modern CI/CD automation on Azure and Kubernetes to maximize development velocity.
 * Coach and support junior engineers through active code reviews, pairing, and shared engineering standards.
 * Drive collaborative in-person problem-solving and rapid prototyping from our Munich office.

What success looks like

Month 1: Ramp up on our product domain, understand the Arc42 architecture, and deliver your first production-ready code contributions.

Month 2-3: Ship end-to-end features, tackle complex tasks alongside the CTO and senior peers, and introduce constructive process or tooling improvements across the stack.

By end of Q1: Operate as an autonomous senior contributor and trusted peer in the Munich office who collaborates closely with the team and shares new techniques or practices.