Sontex is a prosperous and rapidly expanding SME active in the development and manufacture of systems for measuring thermal energy, headquartered in the Biel region. For 36 years, we have been developing, producing, and distributing precise devices used to record energy consumption. We help our customers use energy resources efficiently and save them. Our national and international clientele is active in the field of building technology and automation. To strengthen the Software team, we are looking for a

Full Stack Java Software Engineer (m/f) 100%

Your main tasks

  • Design and develop Windows, Android and Web applications as well as OSGi libraries and components in Java
  • Participate in the entire software development lifecycle, from requirements analysis to production deployment
  • Ensure code quality by applying best development practices, modern methods and test automation
  • Work closely with external partners, Product Management, teams
  • Hardware/Firmware, sales teams and customers
  • Contribute to the planning, development and deployment of new software releases
  • Provide level 3 technical support for software solutions
  • Write, maintain and evolve technical documentation related to software developments

Your profile

  • Bachelor's or Master's degree in computer science/engineering or equivalent training
  • Minimum 5 years of experience in software development with Java
  • Strong experience in developing web applications in Java based on a microservices architecture
  • Experience in developing user interfaces for Windows, Android or Web applications
  • Good command of software development practices and quality standards
  • Ability to work independently, in a structured and solution-oriented manner
  • Team spirit, good communication skills and ability to collaborate with diverse stakeholders
  • Very good command of French and English (minimum B2 level); basic knowledge of German

We offer you

  • A hybrid working model with great flexibility
  • A corporate culture based on trust, integrity, competence and personal responsibility.
  • Support in professional development.
  • A multicultural and international working environment as well as a collegial team.
  • The development of innovative products that enable efficient use of energy resources.

If you would like further information, you can contact Mr Patrick Bucher, CTO at

Have we aroused your interest? We look forward to receiving your application accompanied by complete documents exclusively by e-mail at the following address:

Sontex SA, Rue de la Gare 27, 2605 Sonceboz, Switzerland.

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Full Stack Java Software Engineer (M/F) 100%

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