ACENSI is looking for a Senior Dev & Architect .Net & Python - real time steering for one of their clients based in Brussels in the energy sector : Main Activities ▪ As senior software developer and architect, you will: o Guide technically the development (3-5 people). o Guide the discussion with functional analysts and with domain experts. o Design architectural proposals, documented in diagrams, including APIs, services, front-end and back-end interactions. Sometimes autonomously, sometimes in team collaboration o Improve the delivery in general. ▪ You will supervise the team to ensure these activities as a team: o Subdivide the proposal into agile progressive development upgrades. o Implement builds and associated testing and maintenance tools. o Develop back-end services and APIs. o Write tests in collaboration with business colleagues. o Document and develop user manuals. o Provide user assistance and support o Monitor systems and provide level 2 support, incident resolution, and troubleshooting (root causes of recurring incidents). There is a potential to grow as tech lead. To be discussed. Hard skills ▪ Required: at least 6+ years of software engineering & technical design and architecture responsibilities. Education: a master as polytechnic engineer is a strong plus. The following abilities are required: o Proficiency in .NET o Proficiency in Python, including async programming and performance-oriented design o Proven experience in designing and operating event-driven architectures (Kafka, Azure Event Hub or MQTT) o Solid understanding of distributed systems concepts: scalability, fault tolerance, backpressure, ordering, idempotency o Hands-on experience with Kubernetes in production environments, including autoscaling and deployments o Experience with stateful systems such as Redis (caching use cases) o Strong testing culture: unit tests, integration tests, and production validation o Production-grade observability: metrics, logging, alerting (Grafana, Prometheus, or equivalent) o Familiarity with agile development practices o Experience with one of these technologies is a plus: Scala, Rust. o Experience with parts of our technical stack is a plus: - Azure, Bicep (Infrastructure as Code)- Python (async), .NET - Kubernetes (autoscaling, rolling deployments), Azure Function - Kafka / Azure Event Hub, MQTT, Azure Service Bus - PostgreSQL, Redis, Azure Data Explorer (under testing)- CI/CD: GitHub Actions, Continuous Deployment - Optionally, for components of Kiwi: Scala, Rust. Languages Fluent in English . French or Dutch is a plus