Senior Fullstack Developer, Java, Angular

🔥 4 minutes ago

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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

• Work on client projects at large enterprises and public-sector clients, embedded within their teams • Full responsibility for your area of work • Fullstack development in enterprise and regulated environments • Contribute to architectural design • Generate, review and refactor code using Claude Code, Copilot or Cursor • Perform code reviews and provide technical mentoring within the team • Coordinate with Product Owners, UX and DevOps • Work across different client projects and industries

🎯 Requirements

• Senior level; ability to deliver from day one and work independently • Strong backend fundamentals with Java 17+ • Spring Boot, microservices and Domain-Driven Design • REST APIs and relational databases, especially PostgreSQL • Docker and Kubernetes • Test-driven development (TDD) with JUnit • Apache Kafka and asynchronous communication • CI/CD with Jenkins and GitHub Actions • Git and agile working • Angular with TypeScript • Confident handling of both backend and frontend • Quick ramp-up on new stacks • Productive use of Claude Code, Copilot or Cursor; AI tools are mandatory • Nice to have, but not required: Kotlin, Camunda/BPMN, AWS or Azure, JPA/Hibernate, Grafana, Prometheus, Jest, Playwright, Cypress, BITV 2.0/WCAG AA, DevSecOps/Security by Design

🏖️ Benefits

• Remote, office or hybrid — you decide • MacBook provided (unless the client supplies their own hardware) • Varied clients, varied projects • The founders are your direct points of contact • Internal upskilling in AI development • No hierarchical layers between you and decision-makers • Honest feedback • No office politics