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About the Role
We are modernizing our core systems into a new cloud product line and expanding the platform with agent-based AI features. You will help build this new cloud product line, working closely with the CTO from the user interface to the database layer.
Responsibilities
- Conception and implementation of performant features with Next.js (React, JavaScript/TypeScript, PostgreSQL, LangGraph).
- Implementation of modern, responsive, and highly interactive user interfaces.
- Design, optimization, and connection of SQL databases.
- Development and integration of seamless, secure APIs for our cloud architecture.
Requirements
- Mastery of the Next.js ecosystem with an excellent eye for clean web implementation and performance (JavaScript, React, Next.js, SQL, git).
- Full-stack skillset covering interactive UI to solid database management (SQL).
- Proficient programming with AI-assisted tools (e.g., Cursor, Claude Code, GitHub Copilot).
- Fluent German language skills.
- Valid work permit for Germany.
Skills
- Next.js
- React
- JavaScript
- TypeScript
- PostgreSQL
- LangGraph
- SQL
- git
- AI-assisted tools
- LangChain
Location
- Remote
Work Type
- Freelance
- Remote
- Full-time
Experience Level
- Senior-level
Benefits
- Full freedom in choosing your development setup and preferred coding agents.
- Opportunity to build the future of our cloud product from the ground up.
- 100% remote capability.
- Flexible working hours.
- Subsidized membership with Urban Sports Club.
About the Company
- Linear Software GmbH has a 35-year history in club management and accounting for clubs, associations, and schools.
- Acquired by CHAPTERS Group AG in 2025, the company is undergoing modernization for a future focused on agent-based systems.
- Core systems are being migrated to a new, modern cloud product line.