Senior Software Engineer (Uniface)

Wearehaystack — Germany · Posted ~2 days ago

Senior Hybrid Visa History ✓

Skills

Uniface Relational databases Oracle SQL Server PostgreSQL Version control AI-assisted software engineering Software architecture Java Quarkus AI tools

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Summary

Join a senior engineering role maintaining and modernizing a mission-critical enterprise platform, integrating legacy technologies with modern services while using AI-assisted development tools in a collaborative environment.

Highlights

Competitive salary, hybrid work, professional development opportunities, health and wellness benefits, and long-term modernization work on business-critical systems.

Description

We're hiring on behalf of a Haystack partner! The Role • Take end-to-end responsibility for selected modules of a long-established, Uniface-based practice information system, delivering high-quality changes relied upon daily by thousands of practices. • Modernize and refactor existing Uniface codebases, enhancing maintainability and stabilizing critical workflows in outpatient care. • Collaborate closely with architecture and AI full-stack teams to integrate Uniface modules with modern Java/Quarkus services and AI-driven workflows, connecting the system with healthcare exchange platforms and ecosystems. • Utilize AI code and agents to accelerate the analysis, refactoring, and documentation of existing Uniface code, feeding insights back to the team. • Actively contribute to the long-term evolution strategy of the system, balancing reliable delivery with phased platform modernization. What You'll Need • Several years of senior-level experience in Uniface development, ideally within business-critical, long-lived application systems requiring high availability. • A university degree in Computer Science, Business Informatics, Mathematics, Electrical Engineering, or a comparable technical field with excellent academic performance. • Deep understanding of relational databases (e.g., Oracle, SQL Server, PostgreSQL) and Uniface deployment and integration patterns; proficiency with version control, build, and delivery processes; effective use of AI tools in software engineering, including AI pipelines and context engineering. • Fluent German and English, both written and spoken, enabling confident communication in international settings and with German-speaking clients and departments. • Strong problem-solving skills, pragmatic and self-directed work ethic, high proactivity, innovative spirit, and an entrepreneurial mindset aligned with a healthcare purpose and long-term product responsibility. What's On Offer • Competitive salary • Flexible hybrid work model with a mix of remote and on-site days. • Opportunities for professional development through an in-house academy and external partnerships. • Comprehensive benefits including health and wellness programs, and additional perks. Apply via Haystack today!