Technical Lead .Net

Mission Overview:

This is a consultancy mission delivered by Keystone Solutions for our client, where you will serve as the Application Technical Lead within a specialized application team. As a Keystone Solutions consultant, you are responsible for delivering impactful technical solutions to a specific portfolio. Your role encompasses the technical oversight of new project initiatives and the maintenance of existing applications. Working collaboratively with developers and other team members, including functional experts and business analysts, you will also coordinate with the portfolio architect and the Infrastructure & Operations (I&O) teams. Reporting directly to the Project Lead, your expertise is crucial in driving innovation and integrating technology solutions that align with business goals and enhance operational efficiency.

Consultancy Nature of Work:

As a Keystone Solutions consultant, you will operate on-site at the client location (with hybrid flexibility as appropriate), embedded within the client’s teams while supported by Keystone’s expert community. You will apply Keystone’s best practices, align with the client’s architecture and processes, and represent Keystone Solutions’ quality standards in every deliverable. You will collaborate closely with the client’s portfolio architect and I&O teams, while benefiting from Keystone’s peer network, coaching, and technical leadership support.

Dynamic Projects:

Keystone Solutions offers the opportunity to tackle diverse challenges across client environments. In this mission, you will blend high-level technical oversight with hands-on development in a .NET-centered landscape. Over time, you may rotate across client projects—ranging from greenfield builds to modernization and performance tuning—broadening your impact and accelerating your experience.

Turbo-Charged Learning and Development:

We invest in your continuous growth with funded certifications, curated training paths, architecture and leadership tracks, internal knowledge sharing, and mentorship from senior consultants. Expect practical exposure to engineering excellence, secure design, performance optimization, DevOps practices, and modern .NET patterns—applied directly in client contexts.

Ambition Skyrocketing within a Consultancy Framework:

Your ambition is our roadmap. Keystone Solutions supports clear progression opportunities—across technical leadership, solution architecture, and portfolio ownership—powered by varied client engagements, structured feedback, and purposeful coaching. Your achievements on mission translate into tangible career growth.

Keystone Solutions’ Values in Consulting Engagements:

Being a K-Stone means bringing craftsmanship, integrity, curiosity, impact, and teamwork to every client project. We build trust through transparency, deliver measurable outcomes, and elevate teams through collaboration and coaching. These values shape how we design, build, and operate systems for our clients—every day.

Role-Specific Impact as a Consultant:

As an Application Technical Lead operating primarily in a .NET environment, you will combine mentorship with hands-on engineering, align solution design with strategic architecture, and orchestrate delivery alongside the client’s portfolio architect and I&O teams. You will guide code quality, security, performance, and reliability, while translating business objectives into robust technical solutions that scale.

Key Responsibilities:

The following responsibilities will be performed on-site with the client as a Keystone Solutions consultant, in close collaboration with the client’s teams and stakeholders:

• Technical Leadership and Coaching: Providing guidance and mentorship to the development team, fostering a culture of technical excellence.
• End Technical Responsibility of Software Systems within application team: Overseeing all technical aspects within the application team, ensuring that software development and deployment meet organizational standards and goals.
• Active Development Contribution: Dedicating a significant portion of time to hands-on development work, contributing to coding, feature development, and bug fixes.
• Preparation of Technical Deliverables: Creating detailed technical documentation for software releases, including infrastructure requests and release documents.
• Requests for Configuration Changes to I&O: Managing configuration change request made to I&O to ensure system stability and performance.
• System Design: Designing scalable, reliable, and maintainable systems while adhering to architectural standards and complementing the overarching architecture in collaboration with the architecture team.
• Requirements Analysis: Collaborating with analyst to refine requirements and translating them into robust technical solutions.
• Code Review and Quality Assurance: Ensuring code quality through thorough reviews and implementing stringent quality assurance processes.
• Performance Optimization: Regularly assessing software performance and making necessary adjustments for optimization.
• Security Considerations: Incorporating up-to-date security practices to safeguard software systems against threats taking into account architectural decisions.
• Technology Evaluation and Integration: Assessing and integrating new technologies that align with business objectives and enhance system capabilities taking into account architectural decisions.
• Troubleshooting and Support: Leading the resolution of complex technical issues, providing expert troubleshooting and support.
• Adherence to Architecture Standards and Collaboration: Collaborating with the portfolio architect to align with the strategic architecture while retaining the discretion to make complementary design choices.

Key Soft Skills:

• Leadership: Ability to inspire, motivate, and guide the other developers towards achieving project goals. Collaborative mindset to work with various cross functional teams harmoniously. Awareness and consideration of team members’ emotions and motivations to create a positive work environment. Clear and effective communication skills, both verbal and written, for collaborating with team members, stakeholders, and non-technical audiences.
• Mentorship: Willingness to share knowledge, provide feedback, and foster professional growth among other developers. Ability to mediate disputes within the team and negotiate solutions with stakeholders.
• Problem-Solving & Decision-Making: Strong analytical abilities to identify issues and develop innovative solutions. Confidence and competence to make crucial decisions impacting project direction and execution. Capacity to understand the broader business goals and align technical objectives accordingly. Ability to empathize with customer needs and translate them into technical solutions.
• Resilience: Flexibility to cope with changing technologies, requirements, and environments. Capacity to prioritize tasks and manage time effectively to meet deadlines. Stamina to handle the pressures of deadlines and technical challenges without compromising performance. Commitment to stay updated with the latest industry trends and technologies.
• Language skills:
  • Fluency in one of the two national languages: FR or NL (Level C2*)
  • Good knowledge of the other language (level B2*)
  • Very good level of English (level C1*)

How to Apply:

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