<div class="show-more-less-html__markup show-more-less-html__markup--clamp-after-5 relative overflow-hidden"> <p>We're hiring on behalf of a Haystack partner!</p><p><br/></p><p>The Role</p><p>• Focus on backend development within a core product, specializing in financial accounting.</p><p>• Serve as a technical sparring partner to the Product Owner, advising on payment accounting, billing, and financial data.</p><p>• Translate requirements into scalable backend solutions with well-defined interfaces.</p><p>• Develop and optimize high-performance batch and real-time data processing.</p><p>• Design, maintain, and tune relational data models and ORM mappings.</p><p>• Collaborate within an agile Scrum team, taking ownership of planning and delivery.</p><p><br/></p><p>What You'll Need</p><p>• Bachelor's degree or equivalent IT education plus 5+ years of professional experience.</p><p>• Proficient backend development skills using Java, Spring Boot, Maven, Jenkins, JUnit5, and Cucumber.</p><p>• Strong understanding of financial accounting, payment processing, and complex business logic.</p><p>• Excellent knowledge of relational databases (Oracle SQL Server preferred) and ORM.</p><p>• Experience with mass data processing and optimization.</p><p>• Very good German and English language proficiency.</p><p><br/></p><p>What's On Offer</p><p>• Competitive salary</p><p>• Opportunity to shape a core product at the intersection of technology and finance.</p><p>• A clear path to becoming a technical SPOC, influencing architecture and implementation.</p><p>• An agile, international work environment with hybrid flexibility.</p><p><br/></p><p>Apply via Haystack today!</p> </div>