Senior Backend Engineer (Ref: 195476)

We are acting as an external recruitment partner supporting this organization in building a premier engineering team for the Paris market. Our mandate is to translate strategic needs into compelling, compliant opportunities that attract senior talent seasoned in fintech infrastructure and scale. We emphasize responsible growth, security-first design, and measurable impact aligned with industry standards.

This role seeks a Senior Backend Engineer to join our client’s engineering function in Paris. The incumbent will architect and deliver resilient, scalable server-side systems powering high-volume financial services. The work includes shaping API contracts for internal tooling and external partners, safeguarding data integrity, and collaborating with product, data, and security domains to steer the platform’s technical trajectory toward tangible business outcomes.

• Create and evolve scalable microservices with strong resilience, monitoring, and traceability.
• Drive performance tuning by identifying bottlenecks and refining data access patterns and caching strategies.
• Partner with frontend and mobile squads to ensure cohesive, well-documented APIs and seamless user experiences.
• Institute security-by-default practices, threat assessment, and compliance alignment within financial services.
• Mentor engineers, champion best practices, and cultivate a culture of continuous improvement.
• Own and improve CI/CD pipelines, test automation, and deployment reliability.

• 5+ years of backend engineering delivering production-grade systems.
• Proficiency in one or more modern backend languages (Java, Kotlin, Go, Python) and experience with microservice architectures.
• Deep knowledge of SQL and NoSQL databases, data modeling, and performance optimization.
• Experience deploying on cloud platforms (AWS, GCP, or Azure).
• Understanding of security, compliance, and risk management in financial services.
• Strong collaboration and ability to navigate cross-functional teams in a fast-paced environment.

• Market-competitive remuneration with performance-based annual bonus.
• Health coverage and retirement benefits including private medical insurance and pension plan.
• Hybrid or remote-friendly arrangements within Paris and nearby regions.
• Dedicated professional development allowance and ongoing training opportunities.
• Equity options or stock grants.
• Generous paid time off and parental leave policies.

This is a pivotal hands-on leadership position within the backend platform, emphasizing scalable financial services delivery to millions of users. The role invites strategic influence over architectural decisions and collaboration with product and security leadership.