Senior Developer .NET
.Net DeveloperSoftware Engineering
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Quick Summary
Key Responsibilities
Actively participate in the development of software components in .
Technical Tools
.Net DeveloperSoftware Engineering
As a Senior .NET Developer, you will play a key role in designing, developing, and maintaining robust software solutions based on Microsoft technologies. You will bring your technical expertise to ensure code quality, solution sustainability, and system performance. Additionally, you will serve as a technical mentor for other team members. This position is a consultancy mission at a client site representing Keystone Solutions.
Responsibilities
~1 min read- →Actively participate in the development of software components in .NET (Framework and Core);
- →Design scalable technical solutions in collaboration with the architecture team;
- →Provide technical mentoring to team members and foster a culture of excellence;
- →Conduct code reviews and ensure adherence to best development practices;
- →Analyze functional requirements with analysts and translate them into technical solutions;
- →Ensure the quality, performance, security, and maintainability of applications;
- →Participate in optimizing system performance;
- →Integrate and evaluate new technologies in line with business objectives.
- Critical analysis and information integration skills;
- Structured and solution-oriented thinking;
- Ability to generate viable alternatives and draw relevant conclusions;
- Technical leadership and collaborative spirit;
- Resilience and adaptability to technical or contextual changes.
- Fluency in one of the two national languages: FR or NL (level C2);
- Very good level of English (level C1).
What We Offer
~1 min read✓An interesting mission in ICT and Data services that impacts society, with numerous benefits:
✓A good work-life balance;
✓Flexible working hours within a 40-hour week (7:30 AM to 8:00 PM with fixed slots between 9:00 AM and 12:00 PM and 1:00 PM and 4:00 PM);
✓Possibility of remote work;
✓Workspaces organized according to activities;
✓Easy accessibility via public transport;
✓Car and bike parking in the building;
✓Individual lockers;
✓Company restaurant;
✓Various self-development opportunities: training and learning possibilities (to be pursued outside working hours) via our e-academy self-learning platform or via the Microsoft Enterprise Skills Initiative platform.
- .NET Framework - Level: Junior - Most recent: Any time
- Agile - Level: Expert - Most recent: Any time
- Authentication/Authorization (JWT, OIDC, claims) - Level: Confirmed - Most recent: Any time
- Blazor - Level: Confirmed - Most recent: Any time
- Entity Framework - Level: Confirmed - Most recent: Any time
- GitHub Copilot - Level: Junior - Most recent: Any time
- Net Core - Level: Expert - Most recent: Any time
- REST API's - Level: Confirmed - Most recent: Any time
- SQL - Level: Confirmed - Most recent: Any time
- Testing (unit + integration) - Level: Confirmed - Most recent: Any time
Requirements
~1 min readDutch
Level Active knowledge
English
Level Active knowledge
French
Level Active knowledge
Location & Eligibility
Where is the job
Brussels, Belgium
On-site at the office
Who can apply
BE
About this job
- Who can apply
- Belgium
- Posted
- 21 days ago
Listing Details
- First seen
- October 14, 2026
- Last seen
- October 14, 2026
Posting Health
- Days active
- 20
- Repost count
- 0
- Trust Level
- 23%
- Scored at
- November 4, 2026
Signal breakdown
freshnesssource trustcontent trustemployer trust
External application
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