As a Senior Backend Engineer, you'll design and implement robust backend services and APIs that support payment processing for a large European user base. Your work will directly impact how merchants and consumers transact securely at scale, within a highly regulated financial context.
What You'll Do
- Develop and maintain backend systems and APIs using Python, ensuring they meet strict standards for performance, security, and reliability
- Collaborate with product teams and technical leads to evolve system architecture in line with business growth
- Diagnose and resolve production issues, driving improvements in system stability and long-term resilience
- Write clean, well-documented code that supports compliance and audit requirements
What We're Looking For
- 8+ years of professional experience building and scaling backend systems
- Strong proficiency in Python and relational databases, particularly Postgres
- Hands-on experience with containerization (Docker), orchestration (Kubernetes), and cloud platforms (GCP)
- Fluency in French, with solid written and spoken English skills
- Proven ability to guide technical direction and influence product development
- A structured, detail-oriented mindset with strong problem-solving abilities
- Experience working in cross-functional teams and contributing to secure, compliant systems
Nice to Have
- Prior work on financial infrastructure, payment platforms, or regulated technology environments
Work Environment
This role supports remote work within France or onsite in Paris. We value diversity, inclusion, and equitable opportunity—our culture is built on respect, collaboration, and empowering individuals from all backgrounds. All qualified applicants will be considered without regard to protected characteristics under applicable law.


