NET Consultant
Apollo Solutions
Brussels, Belgium
6 days ago
Role details
Contract type
Temporary contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
SeniorJob location
Brussels, Belgium
Tech stack
.NET
Multitier Architecture
Agile Methodologies
Unit Testing
Azure
C Sharp (Programming Language)
Software Quality
Code Review
Continuous Integration
DevOps
PostgreSQL
Enterprise Messaging Systems
Microsoft SQL Server
Object-Oriented Software Development
Oracle Applications
Service-Oriented Architecture
Enterprise Software Applications
.NET Core
Backend
Event Driven Architecture
Deployment Automation
Kafka
Api Design
REST
Devsecops
Microservices
Job description
- Develop and maintain backend applications using C# / .NET (Core or Framework)
- Build and secure REST APIs to support critical utilities operations
- Participate in integrations across complex energy-sector ecosystems
- Contribute to the modernisation of legacy platforms into microservices / service-oriented architectures
- Collaborate closely with analysts, testers, product owners, and solution architects in Agile squads
- Ensure code quality, performance, and reliability through testing, reviews, and documentation
- Support CI/CD pipelines, DevOps practices, and automated deployment workflows
- Promote clean coding, maintainability, and continuous engineering improvement across the team
Requirements
- 6+ years of .NET backend development experience
- Proven tenure within Belgian utilities companies (grid operators, suppliers, water/electricity providers, or market facilitators such as Atrias, Fluvius, Sibelga, ORES, Elia)
- Strong knowledge of OOP, SOLID , and enterprise application design
- Experience with C#, .NET Core , API development, SQL Server/Oracle/PostgreSQL
- Familiar with integration patterns or messaging technologies (Kafka, MQ, Service Bus)
- Comfortable working in cross-functional Agile environments
- Strong communicator with a quality-driven engineering mindset
- Hands-on with unit testing, code reviews, and clean architecture principles
Desirable:
- Experience working in regulated environments
- Understanding of energy market processes or standards (e.g., MIG6)
- Familiarity with CI/CD , DevSecOps, containers, or cloud platforms (Azure preferred)
- Knowledge of event-driven architectures (nice to have)