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CodeNext - Senior Software Engineer (Python) Job Opening In Bochum – Now Hiring SonarSource

CodeNext Senior Software Engineer (Python)

    Germany Jobs Expertini Expertini › Germany › Jobs › Bochum › Computer Occupations › Codenext Senior Software Engineer (Python)

Job description

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:

  • Proven expertise in Python development, writing clean, maintainable, and efficient code.
  • Solid software engineering foundation, including algorithms, testing, CI/CD, and best practices for building scalable and reliable software.
  • Deep curiosity about LLMs, static analysis, and multiple programming languages, recognizing their strengths, challenges, and nuances.
  • Genuine interest in AI-driven software development, and a willingness to work on projects integrating AI with developer tools.
  • Pragmatic approach to problem-solving, balancing research-driven innovation with building production-ready systems.
  • Self-driven mindset, bold enough to challenge the status quo, yet humble and open to learning and feedback.
  • Bonus points for hands-on experience with LLM-related projects, static analysis, or proficiency in additional programming languages (e.g., TypeScript, Java, C#).
  • Initiative and Ownership: You can take a task from concept to completion with minimal supervision.
  • Curiosity and Adaptability: You thrive in a fast-moving environment, staying eager to learn new technologies and experiment with AI-driven solutions.
  • Open-mindedness and a Positive Attitude: You welcome new ideas, embrace feedback, and collaborate effectively with diverse teams.
  • Comfort with Complexity and Change: You excel at navigating uncertainty, iterating quickly, and adjusting to evolving challenges.
  • Confidence to Challenge and Be Challenged: You’re unafraid to question assumptions and engage in constructive discussions to drive the best outcomes.

    • Why You Will Love It Here:

  • 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.

    • Benefits of Working With Sonar:

  • 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.

    Required Skill Profession

    Computer Occupations


    • Job Details

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    Unlock Your CodeNext Senior Potential: Insight & Career Growth Guide


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    The fundamental ethical values are:

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    2. Loyalty

    3. Impartiapty

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    7. Obeying Germany laws and regulations

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