Senior Technical-Functional Java Expert

vor 1 Woche

Genf, Genf, Schweiz Randstad Digital Switzerland Vollzeit

We are looking for a Senior Java Technical-Functional Expert to join our custom

development team. This role combines strong technical expertise in Java development with the ability to understand and support business processes in a complex environment.

You will contribute to the design, development, and maintenance of applications, ensuring high

standards of quality, security, and performance. You will also play a key role in continuous

improvement initiatives, Agile practices, and cross-functional projects.

Your Responsibilities

  • Plan, coordinate, and secure the operation of key business systems.
  • Design, develop, and maintain Java-based applications.
  • Conduct systematic code reviews and implement unit tests.
  • Diagnose and resolve anomalies during integration and functional testing.
  • Support corrective maintenance and participate in continuous improvement of tools, processes, and practices.
  • Ensure quality and security of software systems.
  • Collaborate closely with stakeholders to identify risks, propose solutions, and enhance functional understanding.
  • Share knowledge and contribute to Agile and DevOps practices within the team.

Required Skills

  • Degree in Computer Science, Engineering, or equivalent (HES, EPF, or equivalent

diploma).

  • At least 6 years of experience in Java development roles.
  • Strong knowledge of object-oriented design (SOLID principles, design patterns).
  • Proficiency with Java frameworks (especially Spring).
  • Database expertise (Oracle, PostgreSQL).
  • Web services (REST, SOAP) and secure API development.
  • Front-end skills (AngularJS, VueJS, HTML, CSS, JavaScript).
  • CI/CD and version control (Git, Jenkins, GitLab CI/CD, Maven, IntelliJ IDEA).
  • Experience with unit testing (JUnit), code quality tools (SonarQube), and IT security principles.
  • Agile work environment experience.
  • Familiarity with Jira, Confluence, and ITSM tools (BMC Helix).

Nice-to-Have

  • Knowledge of public administration environments or housing/land management

processes.

  • Previous experience within large public-sector IT organizations.

Qualities We Value

  • Autonomy, adaptability, and initiative.
  • Strong team spirit and knowledge-sharing mindset.
  • Ability to communicate clearly with technical and non-technical stakeholders.
  • Openness to change and continuous feedback.
  • Ability to perform under pressure while maintaining quality.

What We Offer

  • Full-time position (100% workload).
  • Service contract with a long-term perspective (up to 5 years).
  • Remote work is possible up to 40% (subject to agreement).
  • Start date: January 5, 2026 (latest February 1, 2026).

If you are an experienced Java engineer with a strong functional understanding and a passion

for delivering high-quality, secure, and efficient solutions, we'd love to hear from you

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