Germany
HUB.KI GmbH
Rulemapping
Senior Fullstack Engineer (m/f/d)
Germany
Berlin, Berlin, Germany
TypeScriptPythonReactPostgreSQLFigma
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Your Responsibilities
At Rulemapping, we make applicable law machine-readable. You will build the web applications that authorities and companies use to work with this technology, from the React-Frontend to the NestJS-Backend, in close collaboration with UX and Product Management.
You will develop performant, maintainable Frontend components using React, Panda CSS, and the TanStack Router, working closely with UX/UI (Figma) and Product Management on user-centric features.
You will implement and maintain scalable REST backends in NestJS, with clean architectural principles and clear API design.
At PostgreSQL, you will be responsible for database design, query optimization, and migrations, integrating Keycloak for authentication, and securely connecting the Rulemapping Automation Backend.
AI tools like Claude Code are part of your daily development routine for code generation, refactoring, and testing. You maintain high code quality with ESLint, Prettier, Vitest, Jest, Playwright, and structured code reviews.
You will contribute to architectural decisions, knowledge sharing within the team, and the development of our CI/CD pipelines (GitHub Actions, Cloud Deployment) and evaluate new technologies to keep the platform technically up-to-date and scalable in the long term.
Your Profile
- Several years of experience in fullstack development of modern web applications. Whether with a computer science degree or self-taught with demonstrable practical experience, what matters is what you have built.
- Deep understanding of TypeScript, React, and PostgreSQL. Knowledge of Python is a plus.
- Proficient in state management, APIs, authentication (Keycloak), and Frontend performance optimization.
- Solid understanding of software architectures, data flows, and API design.
- Experience with Vite and common tools for testing and code quality, plus a basic understanding of CI/CD and cloud environments.
- You work independently, think pragmatically, and write code that others enjoy developing further. You actively stay up-to-date with new technologies and trends.
Why Us?
- A central role in the further development of a growing GovTech company
- Attractive salary package
- Flexible working models and a modern corporate culture
- Central office in Berlin-Mitte
- Innovative projects and career prospects
- A dynamic team with ample scope for your own ideas
About Us
Our decision models fully and machine-readably map the logic of laws, ordinances, and complex regulatory frameworks. Routine checks are thus automated and transparent, with the decision remaining with the human. We build this technology for public administration as well as for regulated companies. Authorities currently use it in areas such as building permit and wind power procedures.
At Rulemapping, we are revolutionizing the world of rules and laws, developing the open standard for digital law with our Law as Code approach. Supported by the Federal Agency for Disruptive Innovations SPRIND and anchored in the federal government's modernization agenda, our unique combination of Rulemap and language model delivers reasoned, legally sound, and verifiable results. We are bringing this groundbreaking technology wherever processes occur in large numbers or high complexity, both in Germany and internationally.
Together with you, we want to drive this vision forward!
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