Senior Frontend Engineer – Greenfield Product (Angular)

Castle Tech GmbH is looking for a Senior Frontend Engineer to join them on a freelance basis for 9-12 months to build a new standalone product from the ground up using Angular and TypeScript.

Requirements

• 5+ years of experience as a frontend engineer
• Strong expertise with Angular (v11+) and TypeScript
• Experience designing scalable frontend architectures
• Strong understanding of software design principles and maintainable systems
• Experience with modern frontend tooling (NPM, Webpack or esbuild)
• Experience working with Git, CI/CD pipelines, and Docker
• Experience working in agile teams (Scrum or Kanban)
• Strong communication skills in English (written and verbal)

Benefits

• Chance to build something new from the ground up
• Real technical ownership and influence over architecture and system design
• Modern engineering environment with latest tools and workflows
• Collaborative team with experienced engineers, product managers, and designers
• Remote-first mindset with async-friendly culture and clear communication practices
• International exposure working with a European tech company