icapps

About the Company

We thrive on top-notch applications, innovative technologies, and future-proof products with a steady, solid base. We guide organizations through their digital journey from A to Z, or from wherever they want us to get involved. We challenge our customers and inspire them to find the best fitting digital solution to enrich the daily life of their users. No matter the scope, your project is safe with us. Together, we Think, Build and Care. We want to offer our colleagues a safe haven in a continuously evolving digital world. Our team consists of a bright mix of over 100 ambitious colleagues, each with their own expertise in the digital industry. We give them space to discover, an equal voice, and the opportunity to grow. At icapps, every voice counts and every member of the icapps family is equally important. Some of the brands and organizations we work with: Proximus, KBC, Bolero, VRT, Kinepolis, ...

Listed Jobs

Company Name

icapps

Job Title

Lead .NET Developer

Job Description

**Job Title:** Lead .NET Developer **Role Summary:** Seasoned .NET professional to lead the design, development, and migration of a critical gas and electricity distribution system. Works 2‑3 days per week on‑site with a multilingual team, driving architectural decisions, code quality, and delivery pipelines for a modular monolith and distributed services environment. **Expectations:** - Immediate availability after technical screening. - Freelance engagement, 2–3 days/week on client site (Brussels). - Collaboration with English, Dutch, and French speaking team members. - Daily rate: €620. **Key Responsibilities:** - Lead the migration from .NET Framework 4.6.2 to .NET 8. - Design and maintain modular monolith architecture and distributed services. - Develop, test, and maintain C#/.NET 8 APIs, background services, and SignalR hubs. - Implement messaging solutions using MassTransit with ActiveMQ/Artemis. - Manage data access via MSSQL/Entity Framework and NoSQL (Couchbase). - Containerize applications with Docker and docker‑compose; oversee Azure DevOps pipelines (CI/CD). - Ensure observability using OpenTelemetry; establish monitoring and logging standards. - Write and maintain unit tests; enforce Clean Architecture principles. - Mentor junior developers and coordinate with cross‑functional stakeholders. **Required Skills:** - .NET Framework 4.6.2 and .NET 8 (C#). - MSSQL, Entity Framework, Couchbase (NoSQL). - Docker, docker‑compose. - Azure DevOps, Pipelines, CI/CD. - SignalR, MassTransit, ActiveMQ/Artemis. - RESTful API development, background services. - Modular monolith and distributed systems design. - OpenTelemetry/observability practices. - Clean Architecture and unit testing. - Strong English communication; Dutch/French a plus. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience). - Relevant certifications (e.g., Microsoft Certified: Azure Developer Associate, Microsoft Certified: .NET Developer) preferred but not mandatory.

Brussels, Belgium

On site

Senior

12-11-2025

Company Name

icapps

Job Title

.NET Developer

Job Description

**Job Title**: .NET Developer **Role Summary** Lead developer for a gas and electricity distribution client in Brussels, responsible for designing, coding, and maintaining applications migrating from .NET Framework 4.6.2 to .NET 8. Work 2‑3 days per week onsite, leading code quality, CI/CD, and observability practices within a modular monolith architecture. **Expectations** - Deliver high‑quality, maintainable .NET code on schedule. - Own the CI/CD pipeline and ensure smooth releases. - Mentor peers, enforce best practices, and communicate progress to stakeholders. **Key Responsibilities** - Design, develop, test, and deploy .NET 8/MVC and Web API services. - Create and maintain Entity Framework Core data layers for MSSQL and Couchbase NoSQL databases. - Containerize solutions using Docker & docker‑compose. - Build and maintain Azure DevOps Pipelines for automated build, test, and release processes. - Implement SignalR real‑time hubs and message bus integrations (MassTransit, ActiveMQ, Artemis). - Apply Clean Architecture and modular monolith patterns. - Add observability with OpenTelemetry; integrate monitoring and distributed tracing. - Write comprehensive unit and integration tests. - Participate in distributed system design and performance tuning. **Required Skills** - C#, .NET Framework 4.6.2, .NET 8, ASP.NET Core. - Entity Framework Core (SQL Server). - Couchbase NoSQL. - Docker, docker‑compose. - Azure DevOps Pipelines, CI/CD. - SignalR, MassTransit, ActiveMQ, Artemis. - RESTful API design. - Background services, scheduled tasks. - Clean Architecture, Domain‑Driven Design principles. - OpenTelemetry, observability tools. - Unit testing frameworks (.NET Test, xUnit, NUnit). - Strong English communication; free to work in multilingual (English, Dutch, French) team environments. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience. - Microsoft Certified: .NET Developer or Azure DevOps Engineer certifications (optional).

Brussels, Belgium

Hybrid

04-12-2025