Principal Software Engineer (m/f/d) | Product, Platform, Infrastructure | Full-time
About The Position
Ayunis is a Munich-based GovTech company serving more than 1,000 cities, municipalities and districts across the DACH region. It is building Ayunis Core, an open-source AI platform that automates repetitive administrative work. As Principal Software Engineer, you will provide hands-on technical leadership across the product, integration platform and production infrastructure. Working closely with the CTO and engineering team, you will set technical direction, make architectural decisions and help engineers deliver independently while remaining involved in code and production.
Requirements
- Experience operating at Staff, Principal or a comparable level in a production software environment.
- Strong backend and systems architecture skills, ideally with TypeScript and Node.js.
- Hands-on experience with agent runtimes such as LangChain, OpenAI Agent SDK, Mastra or similar.
- Hands-on experience with sovereign infrastructure, containers, CI/CD, scaling, observability and security.
- Experience designing APIs and integrations, such as OAuth/OIDC, webhooks, synchronization or event-driven systems.
- Ability to move between high-level architecture and hands-on implementation and debugging.
- Pragmatic product mindset, judging technical decisions by their effect on reliability, delivery speed and customer value.
- Ability to set technical direction and lead engineers without relying on formal authority.
- Interest in using and systematically improving AI-assisted software development.
- Confident communication in German and English.
Responsibilities
- Evolve Ayunis Core's architecture across frontend, backend, agent runtime, identity, permissions and extension interfaces.
- Own the technical direction of infrastructure, including deployments, reliability, observability, security and incident readiness.
- Build stable APIs, SDKs and reusable integration patterns for external systems such as document management systems and identity providers.
- Make pragmatic trade-offs between delivery speed, simplicity and long-term maintainability.
- Work with Product and customer-facing teams to turn recurring needs into reusable product capabilities.
- Collaborate with open-source contributors, software vendors and integration partners.
- Set technical direction and help engineers deliver independently while staying hands-on with implementation and production.
Benefits
- Competitive salary.
- €2,000 annual personal development budget.
- 30 days of holiday.
- Significant influence over an open-source product and engineering organization.
- Flexible working hours, hybrid work and EU workations.
- Modern Munich office and equipment.
- Regular team events and off-sites.
- Public transport subsidy and Wellpass.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
Education Level
No Education Listed
