> Markdown version of [/jobs/ext/3707862-senior-software-engineer-all-genders](https://www.wearedevelopers.com/jobs/ext/3707862-senior-software-engineer-all-genders). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # (Senior) Software Engineer (all genders) - **Company:** WhyBrilliant GmbH - **Location:** München, Germany (Remote available) - **Experience:** Expert - **Salary:** €68,000.0 - €88,000.0 - **Contract:** Permanent contract - **Skills:** Query Performance, Java (Programming Language), Software Engineering, SQL Databases, Systems Architecture, ReactJS, Spring-boot, Backend - **Published:** October 13, 2026 - **Apply:** https://www.careerjet.de/jobad/de8d9ebbf19b567d6af75af0dd1a4f1e6a ## About the Role * You have 3 to 5 years of professional experience in backend-heavy software engineering. * You possess strong system design fundamentals including scalability, data modeling, and service boundaries. * You write clean, maintainable Java and Spring Boot code, with comfortable full-stack exposure to React. * You communicate complex technical concepts clearly to non-technical stakeholders and business teams. * You thrive in ambiguous environments and independently break down complex problems into structured solutions. ## Description We are scaling quickly in a highly complex domain, which means our system design challenges are growing more sophisticated by the day. To sustain this momentum, we need an engineer who can own entire feature lifecycles, make key technical decisions, and collaborate directly with product and customer success teams to translate business needs into robust code. What you'll do You will own the end-to-end delivery of high-impact features and the underlying system architecture that powers our fast-scaling platform. * Architect and implement robust, scalable backend services using Java and Spring Boot. * Develop and refine responsive user interfaces using React to ensure a seamless end-to-end experience. * Design and optimize complex data models and query performance using SQL. * Collaborate directly with our CTO, Product, and Customer Success teams to define and refine technical requirements. * Drive engineering excellence by establishing clean system design boundaries and robust testing practices.