Senior Full-Stack Developer, Java, Angular

RockstarDevelopers GmbH

. Work on customer projects for large companies and public-sector clients, embedded within their teams .

Posted 10/11/2026full-timeRemote • GermanySeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Full-Stack Development, particularly with Java, Spring Boot, and REST APIs, while effectively collaborating with cross-functional teams in enterprise and regulated environments. Proficient in utilizing AI tools for code generation and mentoring team members in best practices.

Highest-signal resume keywords

Java (17+)Spring BootREST APIsDockerKubernetes

ATS Keywords

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Hard Skills

Full-Stack DevelopmentTest-Driven Development (TDD)Apache KafkaCI/CDAgile MethodologiesAngularTypeScriptPostgreSQLJPA/HibernateDevSecOps

Soft Skills

Technical MentoringCollaboration

Tools & Technologies

Claude CodeCopilotCursorJUnitGitJenkinsGitHub ActionsGrafanaPrometheusCypress

Industry Keywords

Enterprise EnvironmentsRegulated EnvironmentsPublic-Sector ClientsDomain-Driven DesignMicroservices

Tech Stack

Tools & technologies

AngularApacheAWSAzureCypressDockerGrafanaHibernateJavaJenkinsJestJUnitKafkaKotlinKubernetesMicroservicesPostgresPrometheusSpringSpring BootSpringBootTypeScript

About the role

Key responsibilities & impact

Work on customer projects for large companies and public-sector clients, embedded within their teams
Full responsibility for your own area
Full-stack development 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

Requirements

What you’ll need

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
AI tools: Claude Code, Copilot, or Cursor; productive use is required
Strong on both the backend and frontend, with the ability to quickly learn new stacks
Kotlin, Camunda (BPMN process automation), AWS or Azure, JPA/Hibernate, monitoring with Grafana and Prometheus, Jest, Playwright, Cypress, accessibility (BITV 2.0 / WCAG AA), and DevSecOps / Security by Design are advantageous but not required
Experience in enterprise, regulated, public-sector, or mid-sized business environments is a strong plus

Benefits

Comp & perks

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
Permanent employment contract