Graduate Software Engineer (Java) - Remediation Agent

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Who is Sonar?

Sonar helps prevent code quality and code security issues from reaching production, amplifies developers' productivity in concert with AI assistants, and improves the developer experience with streamlined workflows. Sonar analyzes all code, regardless of who writes it — your internal team, genAI, or third parties — resulting in more secure, reliable, and maintainable applications. Rooted in the open source community, Sonar’s solutions support over 30 programming languages, frameworks, and infrastructure technologies. Today, Sonar is used by +7M developers and 400K organizations worldwide, including the DoD, Microsoft, NASA, MasterCard, Siemens, and T-Mobile.

We believe in developing great products that are supported by great internal teams and a strong culture.  We are highly committed to and obsessed with the company, users, each other, and our open source community. We have high standards and hold each other accountable for acting with positivity, dedication, thoughtfulness, empathy, and passion daily. 

We are deliberate with our decisions with high clarity of intention. At the same time, we feel extreme urgency and move forward quickly. 

And lastly, we are highly effective and operationally efficient. We operate collectively as One Team to accomplish our goals.

At Sonar, CODE is more than just an acronym – it's a mindset that defines daily operations. 

Why You Should Apply: 

At Sonar, we’re a group of brilliant, motivated, and driven professionals working hard to help supercharge developers to build better, faster. Sonar helps to continuously improve code quality and code security while reducing developer toil. This means that developers can focus on doing more of what they love and less of what they don’t. Our solutions don’t just solve symptoms of problems – we help fix issues at the source – for all code, whether it's developer-written, AI-generated, or from third parties.

We have a dynamic culture with employees worldwide and hub offices in the USA, Switzerland, the UK, Singapore, and Germany. Team members should be able to come to work every day, work on a product they are proud of, love what they do, and feel energized by their peers. With our roots deep in the open source community, we’re all about the mission: supercharge developers to build better, faster.

The Impact You Will Have:

At Sonar, we believe that simply reporting code issues is not sufficient. To truly level up the quality of the world's software, we must empower millions of developers to fix them automatically. With over 400,000 enterprises relying on our products, we hold a unique lever to shape how software is built.

Recent breakthroughs in AI have made autonomous remediation a reality, but one major hurdle remains: Trust. Generative AI makes mistakes, and enterprises cannot automate what they do not trust. This is where you come in. As a Senior/Staff Engineer, you will architect the backend for Verified Autonomous Remediation, a sophisticated Agentic workflow that doesn’t just generate code, but rigorously tests and validates it using Sonar’s analysis engine. You will tackle the hard engineering problems required to close the "Trust Gap."

• Implement Features for the "Unified Remediation Engine". You will write the code that powers our remediation efforts. Working with Senior engineers, you will implement backend services (in Java and Python) that route requests and manage the flow between our deterministic fixers and new AI agents.
• Develop Agent Logic. You will help turn research concepts into production code. You will implement specific "Self-Healing" workflows where the Agent reads CI/CD errors and attempts to fix its own code, learning how to make these loops robust and efficient.
• Learn "Industrial-Grade" Engineering. You will move from university projects to real-world systems. You will learn how to deploy to AWS, instrument your code for observability (logging/metrics), and ensure your features can scale to handle massive loads.
• Ensure Reliability & Quality. You will write comprehensive tests for your code. You will help the team maintain high acceptance rates by investigating why an AI fix failed and implementing improvements to the logic.
• Collaborate & Grow. You will participate in design reviews and code reviews, learning from more senior engineers. You will absorb best practices in distributed systems, security, and clean architecture.

• Strong CS Fundamentals. You have a Bachelor’s or Master’s degree in Computer Science (or related field). You have a solid grasp of Algorithms, Data Structures, and Complexity Analysis.
• Polyglot Potential (Java & Python). You are proficient in at least one major language (preferably Java or Python) and are eager to work in a hybrid environment. You care about code style, modularity, and writing clean, testable logic.
• Curiosity for Systems. You understand the basics of how computers talk to each other (HTTP, API basics, Linux environment). You might not be an AWS expert yet, but you are eager to learn how to build distributed systems in the cloud.
• Interest in AI/LLMs. You have a genuine interest in the AI space. You may have taken university courses on ML, experimented with OpenAI APIs in hackathons, or written a thesis involving NLP. You are excited to apply this to real-world engineering problems.
• Analytical Mindset. You are not satisfied with "it works on my machine." You want to understand how things work under the hood and enjoy digging into data to understand why a system behaves the way it does.

• Our culture and mission set us apart. We have a dynamic work culture that values respect and kindness and embraces the right to fail (and get right back up again!). 
• Great people make a great company. We value people skills as much as technical skills and strive to keep things friendly while still being passionate leaders in our domains. 
• We have a flexible work policy that includes 3 days in-office and 2 days work-from-home each week for those located near our office locations; some locations such as Dubai, India, Japan and Australia operate fully remotely.
• We have a growth mindset. We love learning and believe continuous education is critical to our success. In an ever-changing industry, new skills are necessary, and we're happy to help our team acquire them.
• As the leader in our field, our products and services are as strong as our internal team members.
• We embrace transparency with regular meetings, cascading messages and updates on the growth and success of our organization.

• We encourage usage of our robust time-off allocations with 27 PTO days for our employees based out of the Geneva region, plus additional days based on seniority and circumstances.
• We contribute 60% of the total cost for your pension; 13.5% to 15.5% of your base salary for savings; 2% for risk.
• Generous discretionary Company Growth Bonus, paid annually.  
• Commuting: Sustainable mobility options, including carpooling and the refund of 60% of the annual transportation subscription.
• Global workforce with employees in 20+ countries representing 35+ unique nationalities.
• We have an annual kick-off somewhere in the world where we meet to build relationships and goals for the company.

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.

All offers of employment at Sonar are contingent upon the precise results of a comprehensive background check and reference verification conducted before the start date.

Applications that are submitted through agencies or third party recruiters will not be considered.