Staff Full Stack Engineer (Java, React)

Who is Sonar? Sonar is driving the future of agent-centric software development. As the leader in AI code review and verification, we solve a critical problem: ensuring that software generated by AI-assisted developers or autonomous agents is reliable, secure, and maintainable. Integrating seamlessly with Claude Code, Codex, Cursor, GitHub Copilot, Gemini, and Devin, we help over 75% of the Fortune 100 build trusted, reliable, compliant software. Customers who use Sonar are 44% less likely to report an outage due to AI-generated code. We believe code verification is the critical missing link in the Agent-Centric Development Cycle (AC/DC). Industry giants like Nvidia, ServiceNow, Booking.com, Goldman Sachs, AstraZeneca, and Ford Motor Company.count on us to provide independent, explainable, consistent review and governance of their AI-generated code via products like: SonarQube: The world’s leading AI code review and verification platform. SonarQube Foundation Agent: Currently topping the leaderboards for agentic software repair. SonarSweep & Sonar Context Augmentation: Providing the enterprise-grade context and constraints agents need to be truly effective. Our team operates across global hubs in Austin, Bochum, Dubai, Geneva, London, Singapore, Tokyo, and Washington D.C. We move with a mindset we call CODE: Committed to our customers and community. Obsessed with quality. Deliberate in our decisions. Effective as one team. With over $400M in revenue and profitable, fast-paced growth, we are building the backbone of the AI software revolution. If you’re hungry to have an impact, want to build at a fast pace, and ready to work at the forefront of AI, we want to hear from you. Position description As a member of one of our engineering teams, you'll be a key player in making SonarQube Server and Cloud the best tools for Code Quality and Security, providing new features to deliver high quality and powerful products and services that help our users write better software. Our team specializes in delivering features for large customers on our enterprise plans. You will have the opportunity to see your features come to life in Production with short iteration loops. While keeping our roadmap and business priorities in mind, you will be able to have a high impact on the software that we own and develop. By joining us you will bring your experience and expertise to help push our product to its next stage of evolution and fulfill the needs of our large user and customer base. What you will do Partner with Product Managers, UX designers, and EMs to define impactful features and elevate product usability. Drive end-to-end feature development with a strong focus on user experience, ensuring quality through comprehensive unit and integration testing. Architect and guide the technical direction of our cloud-based products, ensuring scalability, reliability, and cost-effectiveness. Take ownership of the team's delivery ability, proactively aiming at successful completion of initiatives. Own the release lifecycle, including deployment, monitoring, and performance optimization of new features in production. Act as a technical point of contact to resolve complex, high-priority production issues impacting our features. Provide technical mentorship, coaching engineers to increase their autonomy, system understanding, and skills. Champion and contribute to efficient development processes. Define and influence the team's long-term technical roadmap and short-term objectives. Initiate and lead significant cross-functional engineering initiatives. Design and execute high-value experiments. Experience and qualifications 8+ years of experience as a Software Engineer. Proven experience as a Staff Engineer, Tech Lead or equivalent leadership level. Practical experience with both backend (Java) and frontend web development (JS/TS and React). Excellent abilities of problem solving, and collaborative technical decision-making. Developing clean and maintainable code, having design patterns and application’s architecture in mind. Advanced knowledge of engineering processes, software architecture, and systems optimization. Demonstrated expertise in systems resilience and adopting operational best practices. Excellent technical skills and a good understanding of Computer Science fundamentals. Experience architecting cloud-native applications on AWS. Experience with relational RDBMS (such as Postgres) and SQL. Code Quality practices (CI/CD, automated testing), constructive code reviews. Extensive hands-on experience with experimentation, incorporating customer feedback into the development cycle. Practical experience with distributed systems that serve millions of users. Additional comments This role is based in Geneva. We are unable to consider candidates unwilling to be in Geneva, but we are willing to relocate the right candidate. We value diversity, equity, and inclusion At Sonar, we believe that our diversity is our strength. We are a global company that values and respects different backgrounds, perspectives, and cultures. We are committed to fostering a diverse and inclusive work environment where everyone feels valued and empowered to contribute their best. We are proud to be an equal opportunity employer and welcome all qualified applicants, regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. If you need any accommodation, please reach out to us at [email protected] . All offers of employment at Sonar are contingent upon the results of a comprehensive background check and reference verification conducted before the start date. We do not currently support visa candidates in the US. Applications that are submitted through agencies or third party recruiters will not be considered.