Senior Software Engineer

Haystack

Berlin, DEonsitePosted Jul 20, 2026
Posting intelligenceActively listed

Skills

postgresexpressoraclejavascript

About the role

We're hiring on behalf of a Haystack partner!

The Role

• Develop and maintain a healthcare software product for pharmacies and prescribers, utilizing a mixed stack of modern and legacy Delphi, and integrating with pharmaceutical databases and standards.

• Design and implement changes to enhance performance, stability, and integration with modern services (e.g., .NET, Express.js, MSVC components).

• Collaborate with internal teams to seamlessly connect Delphi components with modern web and data services, establishing robust integration paths.

• Leverage AI tools and agents for accelerating refactoring, analysis, and documentation of the existing Delphi codebase, sharing insights with the team.

• Actively participate in shaping the modernization roadmap for the software, balancing reliable delivery with phased platform evolution.

What You'll Need

• Several years of experience in Delphi development, preferably in business-critical, long-standing application systems requiring high availability and data quality.

• A recognized university degree in Computer Science, Business Informatics, Mathematics, Electrical Engineering, or a comparable technical field, with strong academic performance.

• Solid knowledge of relational databases (e.g., SQL Server, Oracle, PostgreSQL) and integration patterns, including experience with legacy modernization.

• Proficiency with build, deployment, and version control tools, and demonstrated effective use of AI in software engineering, ideally including AI agents, pipelines, and context engineering.

• Fluent proficiency in both German and English, enabling effective communication with both domestic departments and international teams.

What's On Offer

• Competitive annual salary with potential for bonuses.

• Flexible work arrangements with the option for hybrid work.

• Opportunities for professional development through in-house academies and external partnerships.

• A supportive work environment with access to amenities and employee well-being programs.

Apply via Haystack today!

Questions about this role

Click "Apply with AI Applyd" above. We auto-fill the application from your resume and answer screening questions in seconds. No copy and paste, no juggling tabs.

Compensation for Software Engineer roles in Germany varies widely by seniority, employer size, and remote vs onsite arrangement. Check the salary range on this listing when published, or browse our Software Engineer hub for Germany medians across recent openings.

Most applications complete in under 90 seconds. You can track the status in your dashboard and watch the screenshot proof land the moment the application submits.

AI Applyd supports Greenhouse, Lever, Ashby, Workday, iCIMS, SmartRecruiters, Personio, Teamtailor and other major ATS platforms. If we can submit through the platform, we do.

Want AI Applyd to auto-apply to roles like this?

We tailor your resume per posting, fill the forms, and track replies for you.