Java Backend Developer

  • Sonar
  • Geneva, Switzerland
  • 26 Jun, 2024
Full time

Job Description

Sonar solves the trillion-dollar challenge of bad code. Sonar equips organizations to achieve and sustain a Clean Code state by empowering developers to write consistent, intentional, adaptable, and responsible code. Clean Code produces software that is maintainable, reliable, and secure, allowing development teams to spend less time fixing issues and more time innovating. With Sonar, and by employing the company’s Clean as You Code methodology, organizations minimize risk, reduce technical debt, increase productivity, and derive more value from their software in a predictable and sustainable way.

Sonar’s open-source and commercial products – SonarLint, SonarCloud, and SonarQube – support over 30 programming languages, frameworks, and infrastructure technologies. Trusted by more than 500,000 organizations and used by more than 7 million developers globally to clean more than half a trillion lines of code, Sonar is integral to delivering better software.

The impact you will have 

As a member of one of our engineering teams, you'll be a key player in making Sonar product the best tools for Clean Code (Code Quality and Security), providing new features that help our users write better software and delivering high-quality, amazingly powerful and popular open-source product.

By working with us, you will have the opportunity to see your features come to life in Production, with short iteration loops. Having the roadmap and business priorities in mind, you will be able to choose what you focus on.

Joining our teams, you will bring your experience and expertise to bring our product to its next stage of evolution to delight our users and customers.


In this role, you can expect to

  • Work with Product Managers and UX designers to specify new features and improve the product
  • Develop those new features with the end user in mind, write Clean Code, following Agile methodologies
  • Participate in design and architecture discussions and decisions
  • Interact with our community on our product forum to support them and integrate their feedback
  • Contribute to the definition and implementation of the team's short and long-term goals
  • Do sprints with an integrated team (Backend, Frontend, Ops)
  • Push and monitor your new features into production (For SonarCloud only)
  • Help to solve production problems related to features you worked on (For SonarCloud only)


Required Technical Skills

  • +7 years of experience as a Java Backend Developer
  • Ability to write Clean Code in Java: interest in maintainability, segregation of responsibilities, readability, testability
  • Experience in writing meaningful automated tests
  • Providing constructive code reviews
  • Experience with relational RDBMS (such as Postgres, SQL Server, Oracle)
  • Tooling: Knowledge of build tools (Maven or Gradle); Experience with any version control system (we use git, and you can learn it when you join!)

Nice to have:

  • A first experience on AWS, ideally developing a cloud-native application
  • Knowledge of Python
  • Experience with API design and third-party integrations
  • Experience with data-intensive applications


Required Soft Skills

  • Taking initiative and having the ability to lead a subject from beginning to end
  • Open-minded and very positive can-do attitude
  • Comfortable in dealing with change and complexity
  • Self-confident enough to challenge the status quo as well as to give & receive feedback

Candidates to be considered must be located near an office (Bochum, Annecy, Geneva) or open to relocating prior to starting. We have a hybrid working policy.


Our tech stack

  • Java 17, Spring, React, ElasticSearch
  • Usage of Lambda, ECS, EC2, OpenSearch and Aurora
Words from the team

You will join a team of experienced developers, organized as squads of 6-8 developers (backends, frontends, Ops) working autonomously on a scope.

We come from different backgrounds and countries. We have diverse skills and personalities. By joining us, you will be part of an autonomous team that has a direct impact on the product, that owns and defines its best way of building cool things and having fun together, and that is always evolving.

Come meet us!

Why you will love it here

• We value a safe work culture - founded in respect, kindness, and the right to fail.
• We hire great people - we value communication skills as much as technical prowess and we strive to create a work environment that allows for everyone to succeed and feel empowered to do their best work. Our 500+ SonarSourcers from 35 different nationalities can relate!
• Work-life balance - a healthy work-life balance is very important at Sonar.
• Flexible hours - we schedule our days in order to be effective at work, while also being able to enjoy life’s important moments.
• We promote continuous learning - in an ever-changing industry, learning new skills is the key to growth and success! We're happy to support all employees in this journey if desired. 

What we do

As Home of Clean Code, Sonar is the ultimate solution to achieving Clean Code for developers and organizations alike. 

The company was formed to develop the open-source tool SonarQube, which has since become the go-to standard in code quality management. We strive every day to pave the way for developers, tackling the toughest issues head-on and pushing the limits of what’s possible. 

Who we are

At Sonar we believe in people, dedication, and innovation. We’re a team of problem solvers who are passionate and relentless in their respective missions. We want to work with people who are ready and willing to fasten their seat belts and be part of an incredible ride! 

Our Core Values are: Smarter Together, Excellence, Innovation, and Delivery. They reflect our unique culture and we expect them to help shape and positively strengthen our organization. 

If you want to learn more about our culture, check out our blog post.

Join us; we’ll be smarter and stronger together!

Sonar is an equal-opportunity employer and is committed to treating every employee with equal respect and fairness. We maintain a zero-tolerance policy toward any form of discrimination. All candidates will receive equal consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, citizenship, age, veteran status, disability, or any other legally protected status.