Senior Frontend Engineer – Greenfield Product (Angular)
Senior Frontend Engineer – Greenfield Product (Angular)
Castle Tech GmbH -- Berlin or Munich (Hybrid)
We are building a new standalone product from the ground up and are looking for a Senior Frontend Engineer to help shape it.
This is a high-impact role where you will influence system design, architecture, and product direction from day one. You will work closely with product and engineering to turn ideas into production-ready software while setting the foundation for how the system evolves.
If you enjoy building products from scratch, designing clean architectures, and taking ownership of meaningful projects , this role will allow you to make a real impact.
What You'll Work On
- Build a new production-grade product from the ground up
- Design and implement a scalable frontend architecture using Angular and TypeScript
- Take ownership of features from concept to deployment
- Collaborate closely with product managers, designers, and backend engineers
- Contribute to technical architecture and system design decisions
- Help establish development standards, CI/CD pipelines, and engineering best practices
- Mentor other engineers through code reviews and technical feedback
- Continuously improve development workflows using modern tools and AI-assisted engineering
AI-Augmented Engineering
AI is part of how we work. We expect engineers to actively use modern AI tooling to improve productivity and quality .
You should be comfortable:
- Using AI-assisted development tools in your daily workflow
- Writing effective prompts and evaluating AI-generated output critically
- Identifying AI limitations and failure modes
- Exploring modern AI workflows and tools
This is not about blindly accepting AI suggestions --- it's about using AI thoughtfully to work smarter and build better systems .
Your Skills
Must Have
- 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
Nice to Have
- Experience with frontend testing frameworks (Jest, Cypress, Playwright)
- Experience building greenfield products or new platforms
- Familiarity with AI-related components such as RAG or vector databases
- Experience with Material Design or product-oriented UI development
- Conversational German
What You'll Own
As a Senior Engineer , you will play an important role in shaping both the technology and the team .
You will:
- Design systems with clear component boundaries and scalability in mind
- Identify technical risks and propose practical solutions
- Help improve the team's engineering standards and productivity
- Mentor other engineers and contribute to technical decision-making
- Deliver high-impact features that support business and product goals
Why Join Castle Tech?
- Build something new -- work on a greenfield product from the start
- Real technical ownership -- influence architecture and system design
- Modern engineering environment -- use the latest tools and workflows
- Flexible hybrid work -- office and remote options in Berlin or Munich
- Your gear, your choice -- MacBook or Windows setup with the tools you need
- Growth and development -- structured onboarding, feedback cycles, and coaching
- Collaborative team -- ambitious engineers who enjoy building great products
If you're excited about building a new product, shaping architecture, and working with a modern engineering team, we'd love to hear from you.
Benefits: MinSalary: MaxSalary: SalaryCurrency: EUR Remote Model: H Country Code: de
