Senior Full-Stack Tech Lead - .NET & Web Architecture

In4Matic; Brussel Hoofdstad; On-site; EUR 90,000 - 120,000; Full time

Job summary

In4Matic is seeking an experienced full-stack developer to assume a technical lead role within a long-term software development initiative. This position blends hands-on delivery with architectural ownership, shaping architecture, guiding best practices, and contributing directly to complex software solutions.

The ideal candidate has at least eight years of software development experience, proven leadership, and strong backend C#/.NET plus frontend JavaScript expertise.

Qualifications

• At least 8 years of software development experience.
• Proven track record as a full-stack developer and technical lead.
• Strong communication skills for technical and non-technical stakeholders.
• Ability to translate business needs into robust technical designs.
• Experience with architecture definition and code reviews.

Responsibilities

• Define and maintain the technical architecture with focus on scalability, security, performance.
• Translate business needs into robust technical designs and technology choices.
• Contribute to development, especially on complex components.
• Ensure code quality and architectural consistency via reviews and standards.
• Support and mentor developers; drive knowledge sharing.
• Identify risks, dependencies and technical debt and drive resolutions.
• Collaborate with head of service and project managers to support delivery.
• Take an active role across design, development, testing and delivery.

Skills

C#

NET Framework

NET Core

WebAPI

Entity Framework

SQL Server

REST APIs

Docker

Kubernetes

Azure DevOps

Git

Unit testing

IdentityServer

OpenID Connect

Security

HTML/CSS

JavaScript

Vue.js

Nuxt.js

Node.js

SCSS/SASS

SQL/T-SQL

Tools

Azure DevOps

Git

Job description

In4Matic is seeking an experienced full-stack developer to assume a technical lead role within a long-term software development initiative. This position blends hands-on delivery with architectural ownership, shaping architecture, guiding best practices, and contributing directly to complex software solutions.

The ideal candidate has at least eight years of software development experience, proven leadership, and strong backend C#/.NET plus frontend JavaScript expertise.