Backend .Net Developer - Freelance

Missions

• Design, develop, test, and maintain high-quality .Net APIs and services that integrate seamlessly with front-end applications and other platform components.

• Collaborate closely with Product Owners, UX Designers, and other developers within cross-functional Agile teams, following the SAFe framework’s quarterly planning cycles.

• Ensure code quality through peer reviews, automated tests, and continuous integration pipelines.

• Address performance, scalability, and security challenges inherent to multi-currency, multi-country platforms.

• Troubleshoot and resolve production issues promptly, while contributing to technical documentation and knowledge sharing sessions.

• Embrace and drive continuous improvement in practices, tools, and automation, aligned with core values: speaking your mind, building trust, maintaining a winning spirit, and having fun while working hard.

• Impact millions of end users indirectly via seamless client product experiences in a fast-growing, energized environment where your voice counts and your work truly matters.

Tools & Environment

• Backend development using .Net Core / .Net 6+

• Programming in C#, RESTful API design, and microservices architecture

• Working with SQL and NoSQL databases, ORM frameworks such as Entity Framework

• Containerization technologies: Docker, Kubernetes

• Cloud platforms: Azure preferred

• CI/CD pipelines, automated testing, and DevOps culture

• Security best practices for APIs and data protection regulations compliance

• Agile methodology following the SAFe framework

Working Conditions

• Location: Paris

• Work mode: Hybrid (Onsite & remote)

• Expected start date: ASAP