Python/C++ Software Engineer – AI

Principal Tech Talent Partner | Quant Finance & Deep Tech Ecosystems Build Python-driven trading systems. Collaborate with top quant minds. Shape the future of finance. At CFM, the code you write today could influence the financial markets tomorrow. Founded in Paris in 1991, Capital Fund Management is a leading global asset manager applying science and technology to finance. We’re not your typical hedge fund. We challenge assumptions with data and transform curiosity into capital. With over 30 years of innovation, we remain at the forefront of systematic and quantitative investing. Today, we’re growing our engineering team to rebuild and evolve our real‑time trading platform. We’re looking for a Senior Python Software Engineer to help design the future of automated execution at scale. Why this Python role could be your next big move This is not just about writing clean code—though you’ll do plenty of that. It’s about tackling high‑impact challenges where data, automation, and performance matter. You’ll solve complex challenges in: Data‑driven pipelines for algorithmic trading Machine learning integration for execution strategies Scalable, cloud‑based architectures for high‑throughput systems What you’ll do Build, test, and deploy core components of our trading platform in Python Collaborate with quantitative researchers to bring cutting‑edge strategies into production Improve automation, scalability, and performance at scale Own code quality, contribute to agile rituals, and drive continuous improvement What working at CFM feels like At CFM, excellence doesn’t mean ego. It means curiosity, mastery, and care—for your craft, your team, and the mission. You’ll work alongside some of the sharpest minds in quantitative finance—seasoned engineers and researchers who’ve helped shape the field—and who’ve chosen to stay. Turnover is exceptionally low here, with many colleagues having been part of the adventure for over 15 years. Despite the high standards and technical intensity, the culture remains surprisingly warm. Collaboration is the norm. Support is real. People are humble, available, and passionate about what they do. Whether it’s a code review or a coffee break, you’ll find teammates who are here to elevate each other. You’ll feel challenged, yes. But you’ll also feel at home. The ideal candidate (or close to it) You don’t need to tick every box to be a strong fit. That said, here’s what we’re generally looking for: Must Have 3+ years of Python experience (proficiency in Pandas, NumPy, Scikit‑learn) Ability to write robust, clean, production‑grade code A collaborative mindset and clear communication Interest in agile development and high‑quality peer review Professional English Nice to Have Exposure to C++ for low‑latency components Experience with cloud platforms or containerization (Docker, Kubernetes) Familiarity with financial markets and electronic trading Experience with machine learning (time series, reinforcement learning) Curiosity and a proactive approach to learning We also welcome diverse and non‑linear paths—what matters most is how you think, build, and collaborate. Why engineers choose CFM—and stay Work with highly respected experts in quantitative research and engineering Join a truly collaborative environment with strong team values Grow in a technically challenging and intellectually rewarding role Thrive in a hedge fund culture that balances high standards with real kindness Benefit from a highly attractive compensation package What we offer We know that excellence deserves to be supported—both inside and outside the office. Here’s what you can expect: 100% reimbursement of your Navigo transport card A Swile meal card with €12.10 per day, 60% covered by CFM Top‑tier health insurance coverage—for you and your family, fully covered by CFM €2,000+ per year in culture, or sports vouchers Employee savings plan (PEE) 300% employer matching on your PEE contributions Our recruitment process Technical test – 1 hour on CoderPad (Python & optional C++) HR interview – 30‑minute video call Team interview – In‑person with the hiring manager + 2 members of the team Team interview – In‑person with the rest of the team + Managing Director Ready to shape the future of trading? Just apply directly on this job ad. #J-18808-Ljbffr