Description
Senior Software Engineer .NET
Department: Product Research & Development
Employment Type: Permanent
Location: Casablanca, Morocco, Casablanca, Hybrid
We develop a highly configurable ERP platform used by industrial companies across multiple regions. The product has grown over many years and supports a wide range of customer- and partner-specific requirements.
We are incrementally modernizing our .NET-based ERP platform while continuing to operate and extend the existing system.
We work in cross-functional teams with clear domain ownership. Modernization happens alongside feature development, not in isolation. Architecture is discussed explicitly and documented, and technical debt is addressed when it meaningfully improves stability or maintainability.
The role
As a Senior ERP Developer, you will contribute to the modernization of a mature ERP system. You will work in cross-functional teams with domain ownership and help evolve the platform architecture in a structured, incremental way.
The role is hands-on and combines software development with architectural thinking. You will take responsibility for technical decisions within your domain and contribute to a shared understanding of the target architecture.
Within the first 12 months, core architectural concepts for the next stage of the platform are defined and actively used. Initial parts of the modernized backend are in production and replacing legacy components. APIs are consistently structured, documented, and used by both internal teams and partners. Technical decisions are traceable, documented, and understood within the team.
Responsibilities
- Contribute to the incremental modernization of a large, long‑lived .NET‑based ERP system.
- Design and implement elements of a new backend architecture that will gradually replace existing functionality.
- Build and maintain clean, well‑documented APIs, usable both internally by teams and externally by partners.
- Develop solutions enabling parallel operation of legacy components alongside modernized services.
- Address technical debt pragmatically, integrating refactoring into ongoing development work.
- Contribute to both backend and frontend development when required.
- Support the modernization of multiple user interfaces across different platforms.
- Ensure all solutions run reliably on AWS, including sandbox and staging environments.
- Collaborate closely with product managers, QA, and developers within cross‑functional teams.
- Document and explain technical decisions to ensure alignment and shared understanding across the team.
Skills, Knowledge & Expertise
Must‑Have
- Several years of experience as a Senior Software Developer, ideally in ERP, SaaS, or other complex business systems.
- Strong hands‑on expertise with .NET / C#, particularly in large, long‑lived codebases.
- Experience evolving existing systems incrementally, rather than replacing them in a single step.
- Solid understanding of API design, documentation, stability, and backward compatibility.
- Experience working with AWS‑hosted systems.
- Full‑stack awareness, with understanding of both backend and frontend concepts.
- Ability to work independently, make technical decisions, and take ownership of outcomes.
- Clear, structured, and proactive communication skills.
Nice‑to‑Have
- Experience with highly configurable, extensible, or partner‑customizable platforms.
- Familiarity with modern frontend technologies.
- Experience with cloud‑native architectures or platform‑oriented system designs.
- Background in domain‑driven design (DDD) or modular system architecture.
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