Junior Developer – Electricity Markets (H/F)

We’re looking for a junior skilled .NET Developer who thrives on solving complex problems, building high quality software, and contributing to a collaborative engineering culture. We’ are looking for a passionate about clean architecture, modern .NET development, and delivering impactful solutions for the TSO services team. Context & Mission The electricity market is rapidly evolving, driven by regulatory changes, technological advancements, and the energy transition. Our team is responsible for providing seamless access and managing critical interactions with Transmission System Operators (TSOs). We build and maintain complex data pipelines that serve as gateways to TSOs, ensuring the smooth execution of market operations that represent billions of euros in P&L per year. What You’ll Do • Analyze, design, develop, and maintain applications using .NET / .NET Core • Build scalable backend services (APIs) • Collaborate with cross functional teams (Business, Dev, Infra,..) • Participate in code reviews and help elevate engineering standards • Contribute to architectural decisions and technical roadmaps • Business support and monitoring applications (level 2 support, incident resolution, and troubleshooting) Skill Sets • Strong experience with C#, .NET Core • Solid understanding of REST APIs, Entity Framework Core, and SQL • Experience with CI/CD pipelines and version control (Git) • Strong testing culture: unit tests, integration tests, and production validation • Familiarity with agile development practices • A mindset focused on quality, performance, and maintainability • Experience with a message broker (Azure Service Bus or RabbitMQ) • Fluency in English is mandatory; proficiency in French or Dutch is a plus Nice to Have • Knowledge of microservices architecture • Experience with front end frameworks (Angular) • Background in distributed systems or high availability environments • Knowledge of Docker & Kubernetes • Experience with Azure functions • Familiarity with cloud platforms (Azure or AWS)

Who You Are • A problem solver who enjoys technical challenges • Someone who values teamwork and clear communication • A developer who keeps up with modern .NET practices and tools

ACENSI c’est plus de 200 M€ de chiffre d’affaires et 1800 collaborateurs à travers le monde qui s’impliquent sur des projets d’expertise et d’innovation sur différents secteurs comme Télécoms, Energie, Transports, Médias, Banque Finance, Assurance, Public, … Les projets de transformation digitale, data, AI, d’Infrastructure Cloud, Cyber sécurité et de Numérique Responsable sont notre quotidien. Classée parmi les 100 plus belles entreprises de France depuis 2013, ACENSI est une championne de la croissance et intervient activement sur les projets stratégiques de ses clients en France, en Belgique, au Canada, USA, Portugal, Ile Maurice, Maroc et Roumanie. Une trajectoire dynamisée par des référencements solides et des projets à forte valeur ajoutée remportés chez nos clients. Pour en savoir plus sur notre société, jetez donc un œil à nos sites web : https://acensi.group/