You will develop and operate core services for a Sovereign AI Cloud, including LLM inference gateways and conversational AI platforms. You are responsible for the full software lifecycle, ensuring system stability, scalability, and observability through modern DevOps practices.
Your mission
You develop and operate core services of our Sovereign AI Cloud based on Python and FastAPI. This includes, among other things, our OpenAI-compatible LLM inference gateway and our conversational AI platform.
You contribute to our shared platform library for authentication, authorization, and multi-tenancy, creating the foundation for secure and scalable products.
You build solutions using modern technologies such as PostgreSQL, Redis, and asynchronous Python, ensuring sustainable and robust data architectures.
You are responsible for the quality, stability, and observability of your services through automated testing, monitoring, and logging solutions.
You support the entire software lifecycle, from architecture and implementation to deployment and the operation of production systems.
You work closely with our product, platform, and engineering teams and actively contribute your ideas to the further development of our AI platform.
You leverage modern development practices such as CI/CD, GitOps, and Kubernetes-based deployments to deliver software efficiently and securely.
Your profile
You have several years of experience in backend development and are proficient in at least one modern programming language. Ideally, you have hands-on experience with Python, FastAPI, Pydantic, and SQLAlchemy.
You have solid experience in designing and developing REST APIs and working with OpenAPI specifications.
You are confident working with relational databases, preferably PostgreSQL, and have experience with Redis or comparable in-memory databases.
You are familiar with modern authentication and authorization concepts such as OAuth2, OIDC, JWT, and RBAC. Experience with Keycloak is a plus.
You value clean, maintainable, and well-tested code and are comfortable working with modern development tools such as pytest, mypy, and ruff.
You have practical experience with Git, Docker, and CI/CD pipelines.
Ideally, you have already operated applications on Kubernetes and are familiar with GitOps approaches and tools such as Helm or ArgoCD.
Initial experience with AI applications, LLM integrations, or modern AI toolchains is an advantage.
Experience with React, TypeScript, and modern observability stacks such as OpenTelemetry, Prometheus, or Sentry rounds out your profile.
You communicate confidently in English and, ideally, in German, and enjoy working in an international, technology-driven environment.
You are willing to participate in an on-call rotation and occasionally travel for team workshops.
Why us?
Meaningful Work: Help shape the story of one of Europe’s most exciting AI infrastructure companies from the ground up and contribute to strengthening Europe’s technological independence in the field of AI.
High Level of Ownership: Work with direct access to the C-level team and actively shape the technical foundation of our platform. You will make decisions with real impact on scalability, reliability, and the developer experience across our teams.
Strong Team: Become part of a growing, highly motivated tech team and collaborate closely with experienced engineers and technical leaders.
Remote-First Work Model: Work in a way that helps you truly balance your professional, family, and personal life.
Thoughtful Onboarding: Look forward to a structured onboarding plan, a welcome package with company merchandise, and your preferred hardware (MacBook Pro or ThinkPad).
Room for Growth: Actively shape your role and develop it in directions that match your strengths and interests, whether in platform architecture, cloud infrastructure, reliability engineering, or developer experience.
Attractive Benefits: Enjoy a wide range of employee offers and exclusive discounts with numerous brands and providers, JobRad bike leasing, contributions to your company pension plan and Germany Ticket, as well as the opportunity to work temporarily from other EU countries. And because we are a fast-growing scale-up, we continuously expand and improve our benefits offering.
About us
Polarise is the European one-stop shop for AI - from the underlying data center to the cloud platform through which startups, mid-sized companies, and large enterprises can seamlessly integrate sovereign AI computing power directly into their workflows. Our data centers, our hardware, and our cloud are designed to be visually tangible - but they require a strong, consistent design to ensure our brand makes a compelling impression across all touchpoints.
“I was the first applicant for a remote marketing position that got listed on the company website the same day I applied. Had an interview within 48 hours!”
— Sarah J.
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Marketing Manager
★★★★★
Verified
