Senior Full-Stack Developer, Java, Angular

🕒 August 30

🇩🇪 Germany – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 32%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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RockstarDevelopers GmbH

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2013

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

RockstarDevelopers GmbH is a German software engineering and consulting firm that builds enterprise‑grade web, AI and Web3 solutions for large B2B clients. They provide end‑to‑end services including frontend, full‑stack and mobile development, AI application development (OpenAI Enterprise, LangChain, vector DBs), Web3 projects, and technical consulting around architecture, microservices, migrations and process optimization. The company focuses on digital transformation and modernization for enterprise customers, partnering with well‑known brands to deliver scalable, production‑ready systems and strategic digital roadmaps.

📋 Description

• Contribute to client projects for large enterprises and public-sector organizations, working as part of their teams • Take full responsibility for your area of work • Develop full-stack solutions in enterprise and regulated environments • Help shape the architecture • Generate, review, and refactor code using Claude Code, Copilot, or Cursor • Conduct code reviews and provide technical mentoring within the team • Collaborate with Product Owners, UX, and DevOps • Work on projects for large corporations, public authorities, and enterprise and mid-sized clients

🎯 Requirements

• Senior-level experience; able to deliver from day one and work independently • Java (17+) and Spring Boot (microservices, Domain-Driven Design) • REST APIs and relational databases, particularly PostgreSQL • Docker and Kubernetes • Test-driven development (TDD) with JUnit • Apache Kafka / asynchronous communication • CI/CD (Jenkins, GitHub Actions), Git, and agile methodologies • Angular with TypeScript • Strong capabilities on both the backend and frontend, with the ability to quickly learn new stacks • Productive use of Claude Code, Copilot, or Cursor; proficiency with AI tools is required • Kotlin, Camunda (BPMN process automation), AWS or Azure, JPA/Hibernate, monitoring (Grafana, Prometheus), Jest, Playwright, Cypress, accessibility (BITV 2.0 / WCAG AA), and DevSecOps / Security by Design are advantageous but not required

🏖️ Benefits

• Work from home, from the office, or a combination—you decide • MacBook (unless the client provides its own hardware) • A variety of clients and projects • The founders are your direct points of contact • Internal upskilling in AI development