Senior Software Engineer (.net) - F/M/NB

Cegid is a European leader in cloud business management solutions for finance (cash-flow, tax, ERP), human resources (payroll, talent management), CPAs, retail and entrepreneurial sectors. In today’s rapidly changing world, Cegid & its 6,000 employees make more possible by helping their 750,000 customers unleash their potential thanks to innovative and purposeful business solutions.

Make more possible, is our vocation. It reflects who we are, how and why we do things the way we do them for our clients. Thanks to this, we can affirm that we work every day to shape your future, ours and our clients’ industries’ future. A future we have been defining for years with our employees, by inventing solutions that change the way people work, for a sustainable performance.

@Technology & Architecture Team

We are looking for a Senior Software Engineer to join the Technology & Architecture group. This role requires strong backend technical expertise, an ownership mindset, and the ability to design, evolve, and operate business-critical services. You will work on services that integrate multiple systems, enforce platform rules, and expose capabilities to both internal and external consumers.

Your Mission

• Design, build, and evolve backend services using .NET, ensuring scalability, reliability, and maintainability
• Contribute to system and application architecture decisions, balancing short-term delivery with long-term sustainability
• Collaborate closely with product, architecture, UX, and other engineering teams
• Review code and promote engineering best practices
• Participate in troubleshooting, root-cause analysis, and production support when required
• Ensure compliance with non-functional requirements such as performance, security, and observability
• Actively contribute to improving development standards, tooling, and processes
• 5+ years of professional software development experience
• Strong proficiency in C# and .NET
• Solid experience designing and building RESTful APIs
• Strong understanding of object-oriented design, SOLID principles, and clean architecture
• Experience with microservices-oriented architecture
• Experience writing automated unit tests
• Strong problem-solving skills and attention to detail
• Good communication skills and ability to work effectively in a collaborative environment

We value:

• A strong sense of ownership and accountability
• Pragmatic decision-making, avoiding over-engineering while keeping long-term maintainability in mind
• Ability to work effectively with incomplete or evolving requirements
• Willingness to learn continuously and improve both technical and product understanding
• Openness to constructive challenge and technical discussion

> Attractive and transparent remuneration from recruitment > Hybrid work model and flexible working hours > 22 days of vacation per year > Health insurance > Access to online learning platforms and internal academy > Integration into a dynamic, enthusiastic, and constantly growing team