Job
In this role, you will independently develop features from the REST interface to the user interface using Java, Spring Boot, and Angular, collaborating closely with Product Owners and UX while testing your solutions.
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Job technologies
Your role in the team
- You work on client projects for large companies and public-sector clients, embedded within their teams.
- You’ll take ownership of your own features, from the interface to the user-facing layer, with experienced colleagues available to support you.
- Full-stack development with Java/Spring Boot and Angular.
- Independently implement, test, and deliver features.
- Generate, review, and refactor code with Claude Code, Copilot, or Cursor.
- Give and receive code reviews.
- Coordination with Product Owners, UX, and DevOps.
Our expectations of you
Education
- At least three years of professional experience as a developer, following vocational training or a degree.
Qualifications
- Java (17+) and Spring Boot.
- Angular with TypeScript.
- REST APIs and relational databases, especially PostgreSQL.
- Tests with JUnit as part of the Definition of Done.
- Git, CI/CD, agile working.
- A plus (not required): LLM integration in applications (RAG, tool calling, agents), including through a side project.
- Docker and Kubernetes, Kafka.
- Kotlin, Camunda (BPMN process automation), Keycloak/OAuth 2.0.
- AWS or Azure, JPA/Hibernate.
- Frontend testing (Jest, Playwright, Cypress), accessibility (BITV 2.0 / WCAG AA).
- You don’t have to know everything. What matters is that you’re confident on both sides and can quickly get up to speed with new tech stacks.
What we offer
- Most people come into one of the offices one or two days a week. But there’s no obligation to do so.
- You’ll only need to be on-site at the client’s location for occasional appointments every few weeks, usually in Frankfurt am Main.
- Our clients staff these projects almost exclusively with permanent employees. That’s why we’re looking for you for a permanent position.
- Work from home, the office, or a mix of both—you decide.
- MacBook (unless the customer provides their own hardware).
- Different clients, different projects.
- The founders are your direct points of contact.
- Internal upskilling in AI development.
Benefits
Work-Life-Integration
Topics you will work on
Job locations
About your employer
Founded in 2013, Rockstardevelopers GmbH is an established IT company specializing in the development of complex web and mobile applications. With a wide range of services, it supports businesses in their digital transformation.
- Established Company
- Full Remote, Hybrid, Onsite
- Internet, IT, Telecommunication
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