Full-stack Web Developer and Technical Lead (Employed or freelance)

EngiFlex; Brussel Hoofdstad; On-site; EUR 85,000 - 110,000; Full time

Benefits offered by this job

Company car

Education budget for certifications

Career plan with growth opportunities

Job summary

EngiFlex, a Belgian SME, seeks a seasoned full-stack developer/technical lead for an 8+ year track record to steer architecture and hands-on development of a long-term project. You will guide teams, ensure high-quality code and make critical technology choices while contributing directly to code.

You will work on backend with C#, .NET Core, REST APIs and frontend with Vue/Nuxt, HTML/CSS, and JavaScript, in a security-conscious, scalable setup. Collaboration with PMs and designers is essential.

Qualifications

• 8+ years of professional software development experience.
• Experience as a confirmed full-stack developer with technical leadership responsibilities.
• Ability to translate business requirements into robust technical designs.

Responsibilities

• Define and maintain technical architecture with focus on scalability, security, performance, and maintainability.
• Translate business requirements into sound technical designs and technology choices.
• Contribute to software development, especially for complex components.
• Ensure code quality through reviews, standards and best practices.
• Guide developers and support knowledge sharing and continuous improvement.
• Identify risks, dependencies and debt; drive solutions.
• Support project delivery with head of service and managers.
• Participate in design, development, testing and delivery activities.

Skills

Full-stack development

C#/.NET

Frontend JavaScript

Nuxt.js/Vue.js

HTML/CSS/SCSS

REST APIs

SQL Server

Azure DevOps

Docker/Kubernetes

Unit testing (NUnit/xUnit)

OpenID Connect/Security

Tools

Azure DevOps

Git

Docker

Kubernetes

Nuxt.js

Vue.js

REST API development

Job description

Tasks and responsibilities

An IT development team is seeking a full-stack web developer with strong technical expertise and at least 8 years of experience in software development.

You will join an established, long-term software development project as technical lead. In this role, you will provide technical direction while continuing to contribute directly to the development work.

Your main responsibilities will include:

• Define and maintain the technical architecture of software solutions, with attention to scalability, security, performance and maintainability.
• Translate business requirements into sound technical designs and suitable technology choices.
• Contribute directly to software development, especially for complex or critical components.
• Safeguard code quality and architectural consistency through code reviews, technical standards and development best practices.
• Guide developers, explain technical decisions and support knowledge sharing and continuous improvement.
• Identify technical risks, dependencies and technical debt, and drive suitable solutions.
• Work with the head of service and project managers to support successful project delivery.
• Participate actively in project teams, contributing to the design, development, testing and delivery of software solutions.

Required technical skills

• Object-oriented programming, design patterns and n-tier architecture.
• Backend development with C#, .NET Framework 4.0, 4.5 and 4.8, .NET Core including .NET 10, .NET Core Web API and Entity Framework.
• Frontend development with HTML, CSS, JavaScript, jQuery, SCSS/SASS, Nuxt.js, Node.js and Vue.js.
• Database development with MS SQL Server and T-SQL.
• DevOps and containerisation with Microsoft Azure DevOps, Git, Docker and Kubernetes.
• Unit testing with NUnit and xUnit.
• IdentityServer, OpenID Connect and web application security.
• REST API services.

Soft skills and personal competencies

• Technical leadership: guide and advise colleagues on technical matters.
• Communication: explain technical concepts, decisions and standards clearly.
• Collaboration: work effectively with developers, project managers and designers.
• Accountability: take ownership and address risks proactively.
• Continuous learning: develop your technical skills and stay open to new technologies.
• Knowledge sharing: share expertise and support colleagues in their development.

Languages

French or Dutch, both written and spoken, as well as English, both written and spoken.

Your profile

You have experience as a confirmed full-stack developer and bring at least 8 years of professional software development experience.

Your technical profile includes:

• Azure DevOps
• Azure DevOps with Git
• C# and .NET Core, including .NET 10
• C# with ASP.NET Core and REST APIs
• C# with ASP.NET MVC
• Docker
• IdentityServer
• jQuery and JavaScript
• Kubernetes
• Nuxt
• OpenID Connect
• Vue.js

You can work professionally in French or Dutch and in English, in both written and spoken communication.

Offer

You will be part of a growing Belgian SME where initiative and personal development are encouraged. We will provide you with an enjoyable work environment with fun colleagues. We will work out a career plan with you, with attention and a budget for extra education/certification. You can count on an attractive salary, supplemented with extra-legal benefits, including a company car.
(Freelance is also possible)