Sumex AG
Zurich
10 hours ago
Senior Backend Engineer (Java)
- 01 May 2026
- 100%
- Zurich
Job summary
Join us to shape technical decisions in health IT. Make an impact!
Tasks
- Develop advanced backend solutions using Java in a team.
- Design and integrate new features into existing systems.
- Contribute to architecture decisions and technical solutions.
Skills
- Degree in Computer Science; 4-7 years in Java development.
- Strong experience in Java frameworks and DevOps practices.
- Good knowledge of CI/CD and database systems.
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About the job
You don’t just want to write code, but also shape technical decisions and have a real impact? In our agile product environment, you work on innovative solutions with genuine added value and take on a central role. Strengthen our team and help us shape the future of health IT together!
Your tasks
- You develop sophisticated backend solutions with Java within an interdisciplinary team and actively contribute to the further development of our products
- You conceive, design and integrate new functionalities and components into existing system landscapes
- You participate in architecture and technology decisions and bring your expertise into the technical solution design
- You ensure that our solutions meet the highest quality standards through automated tests, clean code principles and code reviews
- You support product management in analysing requirements as well as in creating solution concepts and effort estimations
- You coach other team members and contribute to the continuous improvement of our development processes and technical standards
Our offer
- You can expect a dynamic and interdisciplinary environment where your commitment significantly contributes to Sumex’s success and helps shape the future decisively
- Key role in shaping a leading and established Swiss IT solution with a broad range of modules and services based on modern technologies
- Attractive prospects for your career and personal development through training and coaching
- Flat hierarchy and a transparent team culture as well as collaboration across all disciplines
- We organise regular events such as brown bag lunches and coding events as well as cosy and sporty offsite gatherings
- Good work-life balance (flexitime, home office), modern and flexible workplace in a multicultural environment
- Top benefits such as: purchase of up to 13 days’ holiday, contribution to private mobile phone or business phone, half-fare travelcard, business travel in 1st class, flexible pension schemes, coverage of daily sickness and accident insurance (private, worldwide), and much more
Your profile
- Completed studies (ETH, university, university of applied sciences) in computer science
- 4 - 7 years of professional experience in designing, implementing and maintaining large Java applications
- You think solution-oriented, enjoy working in a team and understand customers’ needs
- Solid practical experience in Java, Java frameworks, libraries and tools (SpringBoot, Spring Framework, Hibernate, JavaFX, Eclipse RCP, Maven) as well as in the DevOps environment
- Very good German and English skills are required
- Knowledge of HTML, CSS and modern frontend technologies such as Angular or React
- Sound understanding of integration patterns and best practices (synchronous vs asynchronous communication, RESTful APIs, messaging, publish-subscribe)
- Know-how in CI/CD (Jenkins, Git, …) as well as database systems
If you are ready to take your skills to the next level and work in a supportive and agile environment, we look forward to receiving your application.