Staff Software Engineer (Java) - AI & Developer Experience (f/m/d)

Sonar is driving the future of agent-centric software development, focusing on AI code review and verification to ensure the reliability and security of AI-generated code. The Staff Software Engineer will collaborate on developing tools that support both human engineers and AI agents, with a focus on building secure and effective software infrastructures.

• Build the Real-Time Feedback Loop.
• Lead the Technical Evolution.
• Architect the 'Context Engine' for AI Agents.
• Champion a Unified Experience.
• Act as a Technical 'Force Multiplier'.

• Significant professional experience (typically 7+ years) in Java, TypeScript, or C# environments.
• Understanding of asynchronous programming, concurrency, and Inter-Process Communication (IPC).
• Experience with Language Server Protocol (LSP) and/or Model Context Protocol (MCP) is a plus.
• Passionate about the impact of engineering work.
• Vision for the evolving role of IDE in agentic coding.
• Experience guiding engineers towards technical excellence.

• Pension Scheme: 1st Pillar (Unterstützungskasse): Automatic, financed by Sonar, 3% of gross salary.
• Pension Scheme: 2nd Pillar (bAV): Voluntary, 15% contribution by Sonar from social security savings.
• 28 PTO days plus additional days based on seniority and circumstances.
• Public transport reimbursement of 60% for annual subscription.
• Global workforce with employees in 20+ countries.