Staff Backend Engineer (AI)

TL;DR

Staff Backend Engineer (AI): Building and optimizing scalable ML systems for AI-powered fraud tooling in the fintech sector with an accent on model reliability and architectural scalability. Focus on designing production-grade AI solutions, mentoring engineers, and integrating ML pipelines into core product features.

Location: On-site in Paris, France, with hybrid options available

Company

A fintech organization redefining growth through advanced ML engineering and strategic AI initiatives.

What you will do

• Architect end-to-end ML solutions that power core product features and efficiency initiatives.
• Define and enforce best practices for data collection, labeling, experimentation, and model deployment.
• Collaborate with product managers, data scientists, and platform teams to translate business goals into ML outcomes.
• Lead code reviews and contribute to a culture of robust engineering discipline and observability.
• Mentor and grow a team of ML engineers, fostering career development and technical excellence.

Requirements

• Extensive hands-on experience building production-grade ML systems in fintech (risk, fraud, and customer analytics).
• Proficiency in modern ML frameworks such as PyTorch or TensorFlow.
• Strong software engineering background including CI/CD, testing, and observability.
• Experience delivering large-scale models and pipelines with robust monitoring and governance.
• Track record of technical leadership and mentoring in ML/AI environments.
• Must be based in or be able to relocate to Paris, France.

Culture & Benefits

• Competitive salary and equity opportunities aligned to impact and seniority.
• Comprehensive health coverage and retirement plans.
• Flexible work arrangements and remote-friendly options alongside Paris operations.
• Learning and development budget with access to global conferences and training.
• Relocation support for candidates within the European market.