Fullstack Java Developer

Senior Fullstack Java Engineer

• Project Duration: 01 July 2026 - 30 June 2031
• Extension Option: Yes (project-based continuation possible)
• Workload: Minimum 80%
• Location: Zollikofen / Bern, Switzerland
• Onsite Requirement: Minimum 2 days per week onsite in Bern
• Remote Share: 40-60% (depending on phase)
  

Responsibilities / Tasks

• Design, implement and maintain Java-based fullstack applications
• Backend development using Spring Boot & Spring Framework
• Frontend development with Angular (v10+), TypeScript, HTML5, CSS3/SCSS
• Design and implementation of REST and SOAP interfaces
• Integration of databases (PostgreSQL, Oracle) and data models
• Implementation of automated tests (unit, integration, E2E)
• Active participation in Scrum ceremonies and sprint planning
• Collaboration with Product Owners, architects and DevOps teams
• Compliance with strict governance, security and documentation standards
• Occasional 3rd‑level support during office hours

Mandatory Skills (Mandatory)

Backend / Integration

• Java (Senior level, ≥ 5 years)
• Spring Boot
• Spring Framework (Core, Data, Security, Batch)
• REST APIs (JSON, OpenAPI, best practices)
• SOAP services (XML, WSDL, SOAP UI)
• gRPC
• Protobuf

Frontend

• Angular (v10 or higher)
• Angular architecture & best practices
• TypeScript
• HTML5
• CSS3 / SCSS
• UI testing with Playwright and/or Cypress

Databases

• PostgreSQL
• Oracle
• SQL
• Database schema & data modelling
• PL/SQL (Oracle)
• JSON data types

Testing

• JUnit
• Selenium
• Cypress
• Playwright

Tooling / DevOps

• IntelliJ IDEA
• Maven
• Git
• Jenkins
• SonarQube

Methodology & Languages

• Agile Scrum (ceremonies, artefacts, backlog management)
• German language C1 (mandatory)
• English B2 or higher

Nice‑to‑Have Skills

• Legacy Java technologies: J2EE, Struts, WebLogic, GWT, EJB 3.0
• Experience in governmental, migration, police or justice-related domains
• UI/UX design experience
• CI/CD optimisation experience
• Work in security‑sensitive or regulated environments

SThree_Germany is acting as an Employment Business in relation to this vacancy.