Senior Developer .NET

Keystone Solutions; Brussel Hoofdstad; Sur place; EUR 60 000 - 90 000; Plein temps

Résumé du poste

Keystone Solutions in Belgium is seeking a Senior .NET Software Engineer for a consultancy mission on a client site. You will develop high-quality software in an agile environment, contributing to a major digital transformation within a complex IT landscape.

The role emphasizes .NET/C#, REST APIs, Azure cloud, and AI-assisted development, with short iteration cycles and active knowledge sharing across the team.

Qualifications

• Proficient in .NET and C# with hands-on project experience.
• Strong Agile/Scrum expertise and ability to work in sprints.
• Experience transferring AI knowledge to development teams.
• Experience with AI-assisted development practices.
• Solid experience implementing CI/CD pipelines.
• Azure cloud platform experience.
• Git version control proficiency.
• Public sector experience.
• REST API development experience.
• SQL data and relational databases expertise.
• Strong unit and integration testing practices.

Responsabilités

• Actively contribute to code quality through code reviews, automated testing, and best practices.
• Collaborate with product managers and solution architects in an agile environment.
• Engage in technical solutions and architectural decisions.
• Identify and resolve bugs and performance issues.
• Integrate AI tools into daily development workflow.
• Document and maintain developed components.
• Participate in sprint ceremonies such as refinements and planning.

Connaissances

.NET/C# development

Agile/Scrum

AI knowledge transfer

AI-assisted development

CI/CD pipelines

Azure Cloud

Git version control

Public Sector experience

REST API development

SQL databases

Unit/integration testing

Description du poste

Mission Overview

About the job Senior Developer .NET Keystone Solutions is seeking an experienced .NET Software Engineer for a consultancy mission at a client site. This role involves contributing to a significant digital transformation within a complex IT landscape. As a consultant, you will develop high-quality software in an agile environment, impacting the social security and healthcare of millions. You will be part of a multidisciplinary team, working in short, iterative cycles, and actively participating in knowledge sharing while embracing new methodologies, including AI-supported development.

Key Responsibilities

• Actively contribute to code quality through code reviews, automated testing, and the application of best practices.
• Collaborate with product managers, solution architects, and other team members in an agile working style.
• Engage in technical solutions and architectural choices, translating them into concrete implementations.
• Identify and resolve bugs and performance issues in existing applications.
• Contribute to the integration of AI tools into the daily development workflow.
• Document and maintain developed components.
• Actively participate in sprint ceremonies such as refinements, planning, and retrospectives.

Why Join Keystone Solutions

• Consultancy Nature: Work on-site and embody the consultant identity, tackling diverse challenges across various client environments.
• Dynamic Projects: Experience a variety of projects that enhance your professional development and broaden your learning experiences.
• Turbo-Charged Learning: Benefit from continuous learning opportunities that foster your career growth.
• Skyrocketing Ambition: Join a team committed to your professional advancement within the consultancy framework.
• Values: As a

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment.

Duration

07/09/2026 - 31/12/2026 4 months

• (full time)

Skills Required

• .Net C# development - Level: Confirmed - Most recent: Any time
• Agile / Scrum - Level: Expert - Most recent: Any time
• AI knowledge transfer to development teams - Level: Confirmed - Most recent: Any time
• AI-assisted development - Level: Confirmed - Most recent: Any time
• CI/CD pipelines - Level: Confirmed - Most recent: Any time
• Cloud (Azure) - Level: Confirmed - Most recent: Any time
• Git version control - Level: Confirmed - Most recent: Any time
• Public Sector Experience - Level: Junior - Most recent: Any time
• REST API development - Level: Expert - Most recent: Any time
• SQL Data / Relation Databanks - Level: Confirmed - Most recent: Any time
• Test automatisation (Unit, integration) - Level: Confirmed - Most recent: Any time

Language Requirements

• Dutch
• Level Native
• English
• Level Active knowledge
• French
• Level Native