Senior Developer .NET

keystone-solutions; Brussel Hoofdstad; Sur place; EUR 67 000 - 100 000; Plein temps

Avantages offerts par ce poste

Consultancy environment

Diverse projects

Learning opportunities

Résumé du poste

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

As part of a multidisciplinary team, you will work in short iterations, share knowledge, and embrace AI-supported development to deliver robust REST APIs, cloud solutions on Azure, and reliable CI/CD pipelines.

Qualifications

• Experience in .NET C# development in Agile contexts.
• Proven ability to implement REST APIs and CI/CD pipelines.
• Knowledge transfer of AI to development teams.

Responsabilités

• Contribute to code quality via reviews and automated tests.
• Collaborate with product managers and architects in an agile setup.
• Design and implement technical solutions and architectures.
• Identify and fix bugs and performance issues in existing apps.
• Integrate AI tools into daily development workflows.
• Document and maintain software components.
• Participate in sprint ceremonies (refinement, planning, retrospectives).

Description du poste

Mission Overview

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

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