Job Description

Mission Overview:

We are seeking a Technical Lead for a consultancy mission at a client site, representing Keystone Solutions. In this key role, you will be responsible for providing effective technical solutions for a specific portfolio within a specialized applications team. Your expertise will drive innovation and integrate technological solutions that align with business objectives and enhance operational efficiency.

Responsibilities:

As a Technical Lead, you will combine high-level technical oversight with hands-on coding, ensuring that you remain closely connected to the technical details and challenges of the project while providing technical leadership and design direction. Your main responsibilities will include:

• Technical leadership and guidance: Provide advice and mentorship to the development team, fostering a culture of technical excellence.
• Final technical responsibility for software systems within the application team: Oversee all technical aspects within the application team, ensuring that software development and deployment meet organizational standards and objectives.
• Active contribution to development: Dedicate a significant portion of your time to hands-on development tasks, including coding, feature development, and bug fixing.
• Preparation of technical deliverables: Create detailed technical documentation for software releases, including infrastructure requests and deployment documents.
• Configuration change requests to I&O: Manage configuration change requests to I&O to ensure system stability and performance.
• System design: Design scalable, reliable, and maintainable systems while adhering to architectural standards and complementing the overall architecture in collaboration with the architecture team.
• Needs analysis: Collaborate with analysts to refine requirements and translate them into robust technical solutions.
• Code review and quality assurance: Ensure code quality through thorough reviews and the implementation of rigorous quality assurance processes.
• Performance optimization: Regularly assess software performance and make necessary adjustments for optimization.
• Security considerations: Integrate up-to-date security practices to protect software systems against threats, considering architectural choices.
• Technology evaluation and integration: Evaluate and integrate new technologies that align with business goals and enhance system capabilities, taking architectural choices into account.
• Troubleshooting and support: Lead the resolution of complex technical issues, providing expert troubleshooting and support.
• Compliance with architectural standards and collaboration: Work with the portfolio architect to align with strategic architecture while maintaining the necessary latitude for complementary design choices.

Interpersonal Skills:

Key interpersonal skills for a Technical Lead, particularly in a .NET environment, typically include:

• Leadership: Ability to inspire, motivate, and guide other developers towards achieving project goals. Collaborative spirit to work harmoniously with diverse cross-functional teams.
• Mentorship: Willingness to share knowledge, provide feedback, and foster the professional development of other developers.
• Problem-solving and decision-making: Strong analytical skills to identify issues and develop innovative solutions.
• Resilience: Flexibility to adapt to changing technologies, requirements, and environments.

Language Skills:

Fluency in one of the two national languages: FR or NL (level C2) and a very good level of English (level B2).

What We Offer:

We offer an interesting job in ICT and Data services that impacts society, with numerous benefits:

• A good work-life balance; flexible working hours within a 40-hour week.
• Possibility of teleworking; organized workspaces according to activities.
• Easy accessibility via public transport; parking for cars and bicycles in the building.
• Individual lockers; company restaurant.
• Various self-development opportunities: training and learning possibilities through our e-academy self-learning platform or the Microsoft Enterprise Skills Initiative platform.

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

Duration: As soon as possible - 31/12/2026 7 months • (full time)

Skills required:

• NET Framework - Level: Expert - Most recent: Any time
• ASP .NET Web API - Level: Expert - Most recent: Any time
• Authentication/Authorization (JWT, OIDC, claims) - Level: Confirmed - Most recent: Any time
• Azure Bus - Level: Confirmed - Most recent: Any time
• Blazor - Level: Confirmed - Most recent: Any time
• C# / .NET (Core, 10) - Level: Confirmed - Most recent: Any time
• DevOps Server Management - Level: Confirmed - Most recent: Any time
• GIT - Level: Confirmed - Most recent: Any time
• Microsoft Azure - Level: Confirmed - Most recent: Any time
• Networking Concepts - Level: Confirmed - Most recent: Any time
• patterns & best practices - Level: Confirmed - Most recent: Any time
• REST, Swagger/OpenAPI - Level: Confirmed - Most recent: Any time
• Security (OWASP/OAUTH/OpenId/...) - Level: Confirmed - Most recent: Any time
• SQL Server - Level: Confirmed - Most recent: Any time
• Testing (unit + integration) - Level: Confirmed - Most recent: Any time

Language requirements:

Dutch
Level Native
English
Level Active knowledge
French
Level Native