CodeNext - Senior Software Engineer (Python) (f / m / d)

What You Will Do Daily :

• Develop and maintain Python-based tooling and infrastructure to support AI-driven solutions for code quality and security.
• Implement and optimize AI-focused experiments, creating robust systems to evaluate modern techniques, including fine-tuning, retrieval-augmented generation (RAG), direct preference optimization (DPO), and reinforcement learning from human feedback (RLHF).
• Write scalable, production-quality Python code to support AI workflows, dataset processing, and evaluation frameworks.
• Design and maintain benchmarking pipelines to assess Large Language Model (LLM) performance in generating clean, maintainable code.
• Process and refine datasets, ensuring they’re structured and optimized for training and evaluation.
• Develop integrations between AI systems and static analysis tools, enabling AI-assisted insights for developers.
• Collaborate with static analysis experts and AI researchers to turn experimental ideas into practical, working solutions.
• Ensure the scalability, reliability, and maintainability of AI tooling as it transitions from experimentation to production.
• Continuously improve the development processes via workflow refinement, automation, and tooling for AI-assisted coding.
• Work in a fast-paced, iterative environment that bridges research-driven innovation with real-world software development.

The Experience You Will Need :

Why You Will Love It Here :

Benefits of Working With Sonar :

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.