Solution Architect

Mission Overview:

We are seeking an experienced Solution Architect to design and guide the implementation of innovative, secure, and scalable IT systems at a client site representing Keystone Solutions. You will play a central role in the technical direction of major public health projects, defining robust architectures and supporting development teams towards excellence.

Responsibilities:

• Define software architectures based on technical and business requirements;
• Select appropriate technologies, frameworks, and tools for the .NET environment;
• Produce architecture documents, diagrams, standards, and guidelines;
• Provide technical leadership within projects through coaching and mentoring;
• Oversee integration between systems (APIs, third-party services, legacy systems);
• Ensure compliance with non-functional requirements (performance, security, availability);
• Participate in the development of prototypes and evaluation of new solutions;
• Communicate effectively with both technical and non-technical stakeholders;
• Ensure governance, compliance, and software quality;
• Monitor and implement relevant technological trends.

Behavioral Skills:

• Strategic vision aligned with business objectives;
• Ability to simplify technical concepts for diverse audiences;
• Natural leadership and ability to inspire teams;
• Strong aptitude for solving complex problems;
• Flexibility and agility in an evolving environment;
• Attention to quality, rigor, and anticipation;
• Clear and structured communication (oral and written).

What We Offer:

An interesting consultancy mission in delivering ICT services that impact 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 available in the building;
• Individual lockers;
• Multiple self-development opportunities;
• Training and learning possibilities (to be pursued outside working hours) through our e-academy self-learning platform or the Microsoft Enterprise Skills Initiative platform;
• An on-site company restaurant.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

Duration: 31/08/2026 - 31/12/2026 4 months • (full time)

Skills required:

• .NET Core - Level: Confirmed - Most recent: Any time
• Architect Solution - Level: Expert - Most recent: Any time
• Blazor - Level: Junior - Most recent: Any time
• C# / .NET (Core, 10) - Level: Confirmed - Most recent: Any time
• Entity Framework - Level: Confirmed - Most recent: Any time
• Microsoft .NET - Level: Expert - Most recent: Any time
• MVC - Level: Confirmed - Most recent: Any time
• REST API - Level: Confirmed - Most recent: Any time
• SQL - Level: Expert - Most recent: Any time
• TFS & GIT - Level: Confirmed - Most recent: Any time
• WCF - Level: Confirmed - Most recent: Any time

Language requirements:

Dutch
Level Active knowledge
English
Level Passive knowledge
French
Level Active knowledge