.NET Developer

Appsierra Group; Brussel; Sur place; EUR 70 000 - 110 000; Plein temps

Résumé du poste

Appsierra Group is seeking a senior developer to own the design and build of high-quality software solutions within the Transport Execution Management domain. You will work closely with the solution designer and business stakeholders to translate ideas into effective, reliable applications, gaining a deep understanding of the business context along the way.

NET development: more than 5 years of experience. Key requirements include Azure Cloud development, .NET Core Web API experience, strong

Qualifications

• 5+ years of .NET development experience
• Fluent Dutch or French (spoken and written) at least C2
• English fluency (spoken and written) at least C1
• Strong mastery of .NET ecosystem, including LINQ, async/await, design patterns
• Experience with CI/CD pipelines and containerized deployments (Kubernetes & Docker)
• Design secure, performant .NET Core Web APIs and integrate with backend APIs

Responsabilités

• Own the design and construction of high-quality, well-tested software solutions in the Transport Execution Management domain.
• Collaborate with solution designer and business stakeholders to translate ideas into reliable applications.
• Apply Clean Code, SOLID principles, and secure coding practices across multiple projects in a field-leading way.

Connaissances

Azure Cloud development

NET Core / C#

Unit testing

Clean Code

SOLID principles

Language: English (C1)

Dutch or French language ability (C2)

API design & security

Data structures & design patterns

Async/Await & LINQ

Security practices

Git & version control

Outils

Kubernetes

Docker

Azure DevOps

Git

SQL

Description du poste

We are looking for a senior developer who will take ownership of designing and building high-quality, well-tested software solutions within the Transport Execution Management domain.

You will work closely with the solution designer and business stakeholders to translate ideas into effective, reliable applications, gaining a deep understanding of the business context along the way. NET development: more than 5 years of experience

Mandatory Skills and Must be justified in the cv:

• Azure Cloud development: more than 3 years of experience.
• .NET Core Web API development: Over 3 years of experience
• Demonstrable experience in unit testing code on at least 3 projects
• Demonstrable experience with Clean Code, Clean Architecture and SOLID principles on at least 3 projects
• You communicate fluently in Dutch or French (spoken and written) at least C2 level.
• You communicate fluently in English (spoken and written) with at least level C1.
• .NET development - demonstrates strong mastery of the .NET ecosystem, including language features, LINQ, async/await, security practices, data structures and design patterns.
• Code quality & craftsmanship - writes clean, maintainable and SOLID code that follows proven engineering practices.
• Web API design & development - designs secure, performant .NET Core Web APIs. Azure cloud - leverages Azure services, PaaS components, and event-driven patterns effectively. Unit testing & test quality - creates meaningful, maintainable and automated unit tests.
• CI/CD & DevOps practices - sets up robust Azure DevOps pipelines and manages containerized deployments with Kubernetes & Docker.
• API integration & offline/online synchronization - integrates reliably with backend APIs and designs Android applications that can handle offline usage, local persistence, synchronization, conflict handling and recovery when connectivity is restored.
• SQL & database design - models, queries, and optimizes relational databases.
• Git & version control - applies branching strategies