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Software Engineer

Wearehaystack — Germany · Posted ~2 hours ago

Senior Full-time

Skills

Java Spring Boot Java Swing React JavaScript TypeScript REST APIs Microservices Automated testing Code reviews SonarQube Software architecture REST

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Summary ✨ AI‑Generated

A full-stack software engineering opportunity focused on modernizing business-critical applications and building new digital solutions. You will work across Java, Spring Boot, Java Swing, React, JavaScript, and TypeScript, design REST APIs and microservices, and translate business requirements into sustainable technical solutions. Strong engineering practices including code reviews, automated testing, and static analysis are central to the role.

Highlights

Full-stack software engineering role spanning Java backend systems and modern React frontends. The position combines new development with modernization of existing applications, REST and microservices integration, automated testing, code quality practices, and business-critical software development.

Description

We're hiring on behalf of a Haystack partner! The Role • Develop modern software solutions with a focus on Java and React. • Enhance existing Java-Swing applications and build new desktop and backend applications using Java and Spring Boot. • Implement modern frontend solutions with React, JavaScript, and TypeScript. • Develop features related to workforce management, UI development, and digital case processing. • Design and integrate REST APIs and microservices. • Analyze business requirements and translate them into sustainable technical solutions. • Ensure high code quality through code reviews, SonarQube, and automated testing. What You'll Need • Degree in Computer Science, Business Informatics, or a comparable IT qualification. • Several years of professional experience in developing business-critical software products or digital platforms. • Strong knowledge of Java, focusing on clean code and sustainable software development. • Experience with Java Swing, Angular, React, JavaScript, and/or TypeScript. • Familiarity with developing REST APIs and microservice architectures. • Experience with SonarQube, Git, and automated testing. • Very good German and English language skills for international collaboration. What's On Offer • Competitive salary • Hybrid working conditions. • Opportunity to work with modern technologies and AI tools. • Be part of an international community and contribute to shaping FinTech solutions. Apply via Haystack today!