Senior .NET Developer

ATCON GLOBAL

Belgium · Full-time · Not Applicable

Company Description

Atcon Global is a Belgium-based IT consulting firm dedicated to empowering businesses with advanced technology solutions. We specialize in digital transformation, enterprise performance improvement, Business Intelligence, and data analytics. With a client-focused, results-driven ethos, our team delivers tailored IT solutions addressing business challenges. Our mission is to deliver measurable results, not just hours, ensuring our clients' objectives are met with excellence.

About The Role

We're looking for an experienced Senior .NET Developer to join a large enterprise environment in Belgium.

In this role, you'll work closely with Solution Designers and business stakeholders to design, build and deliver high-quality software solutions within the Transport Execution Management domain. You'll translate business requirements into reliable, scalable and well-tested applications while taking ownership of the complete development lifecycle.

Beyond strong technical expertise, we're looking for someone who takes initiative, communicates effectively, enjoys working collaboratively and is comfortable taking full responsibility for delivering complete software solutions in an Agile environment.

Start date: 1/9/2026

Responsibilities

Design, develop and maintain high-quality enterprise applications using .NET / C#
Develop secure and performant .NET Core Web APIs
Build cloud-native solutions using Microsoft Azure
Write clean, maintainable and well-tested code following Clean Code, Clean Architecture and SOLID principles
Collaborate closely with Solution Designers and business stakeholders to translate business requirements into technical solutions
Contribute to unit testing and ensure high software quality
Participate in CI/CD processes using Azure DevOps
Work with Docker, Kubernetes and GIT as part of the software delivery lifecycle
Contribute to API integrations and relational database design
Communicate technical decisions clearly within a collaborative Agile team

Must-have requirements

Minimum 5 years of experience in .NET development
At least 3 years of experience with Azure Cloud Development
Minimum 3 years of experience developing .NET Core Web APIs
Experience writing and maintaining unit tests
Demonstrable experience applying Clean Code, Clean Architecture and SOLID principles
Strong understanding of the .NET ecosystem, including language features, LINQ, async/await, security practices, data structures and design patterns
Experience with Azure DevOps, Docker, Kubernetes and GIT
Strong SQL and relational database knowledge
Fluent in Dutch or French (minimum C2 level) and English (minimum C1 level)
Available to work onsite in Brussels at least 2 days per week

Nice to have

Experience working in large enterprise environments
Experience with Azure PaaS services and event-driven architectures
Experience integrating backend APIs and distributed systems
Strong focus on software quality, performance and maintainability
Experience working in Agile/Scrum environments

Key Skills

Ranked by relevance

kubernetes docker devops cloud git technical expertise security practices data structures design patterns cicd paas sql c

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