.NET/Python Software Developer | Energy Sector

.NET/Python Software Developer | Energy Sector

Join our client large international organisation active in the energy sector, contributing to real‑time energy management & balancing and solutions that support the energy transition. You will work on real‑time software products that help balance the electric grid and connect physical assets (e.g., batteries, renewable parks) to internal systems for forecasting and optimisation. In this role, you will work 2 days per week onsite in Brussels and the rest remotely, collaborating closely with multidisciplinary stakeholders and technical teams in an international environment.

Responsibilities

• Clarify needs with functional analysts and domain experts.
• Produce technical designs and architectural proposals documented with diagrams, including APIs, services, and interactions.
• Break down solutions into agile progressive upgrades.
• Implement builds and associated testing and maintenance tools.
• Develop back‑end services and APIs.
• Write tests in collaboration with business colleagues; contribute to production validation.
• Create documentation and user manuals; provide user assistance and support.
• Monitor systems and provide L2 support, incident resolution, troubleshooting and root‑cause analysis for recurring incidents.

Qualifications

• Must‑have 3+ years of software engineering experience.
• Proficiency in .NET or Python (incl. async programming and performance‑oriented design), with interest in both.
• Hands‑on experience with event‑driven architectures and distributed systems (e.g., Kafka, Azure Event Hub, or MQTT).
• Hands‑on experience with Kubernetes in production (deployments, autoscaling).
• Experience with stateful systems such as Redis (caching use cases).
• Strong testing culture: unit tests, integration tests, production validation.
• Familiarity with Agile practices.
• Nice‑to‑have exposure to Azure and Infrastructure as Code (e.g., Bicep).
• Familiarity with parts of the stack: AKS / Azure Functions, Azure Service Bus, PostgreSQL, GitHub Actions / CI/CD.
• Experience with Scala or Rust is a plus.
• Master’s degree (polytechnic engineering) is a strong plus.
• Soft skills: proactive mindset, collaborative spirit, willingness to support team delivery; ability to break down complex problems and propose pragmatic, scalable solutions; ownership, accountability, empathy and humility; strong written and oral communication.
• Languages required: English (B2+); French is a plus.

Contract Details

• Location: Brussels, Belgium (relocation mandatory if living far / or ability to commute regularly).
• Work model: Hybrid – 2 days onsite / 3 days remote.
• Start: ASAP, ideally by 02/03/2026.
• Contract duration: 1 year, extendable by +1 +1 years (max 3 years).
• Contract type: Freelance.
• Daily rate range: €475–€500/day (all-in; depending on profile/experience, within the project budget cap).
• Eligibility: EU Citizens, or Non‑EU citizens already based in the EU with a valid work permit.

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