Full-Stack Web and Mobile Developer (Permanent or freelance)

EngiFlex; Brussel Hoofdstad; On-site; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Company car

Career plan and training budget

Extra-legal benefits

Freelance possible

Job summary

EngiFlex in Belgium is seeking a senior full-stack web and mobile developer with at least six years of experience to join our IT development team.

You will own end-to-end development, maintain architecture, and drive quality via code reviews, testing, and deployments to Google Play and App Store. The role covers backend with C#/.NET, frontend with Vue.js, React Native for mobile, and cloud deployment on Azure. An attractive salary and extra-legal benefits including a company car are offered.

Qualifications

• Proven experience as a full-stack developer
• Ability to work independently on web and mobile apps
• Strong knowledge of backend with C#, .NET Framework/Core
• Proficiency in frontend with HTML/CSS/JS (Vue.js/Nuxt.js)
• Experience with MS SQL Server and data querying
• Familiarity with containers and orchestrators (Docker, Kubernetes)
• Experience deploying mobile apps (React Native/Expo)
• Knowledge of REST APIs and security (OIDC)
• Unit testing with NUnit/xUnit

Responsibilities

• Maintain the technical architecture of software solutions.
• Translate business requirements into technical designs and technology choices.
• Contribute to software development, especially for complex components.
• Support code quality through reviews, standards and best practices.
• Participate in project teams from design to delivery of software solutions.
• Develop and maintain mobile applications.
• Test, release, and deploy mobile apps on Google Play and App Store.

Skills

OOP & design patterns

C#, .NET

ASP.NET Core

HTML/CSS/JS

Nuxt.js / Vue.js

SQL Server / T-SQL

Azure DevOps / Git

React Native / Expo

REST APIs

Unit testing (NUnit / xUnit)

OpenID Connect / security

Tools

Docker

Kubernetes

Azure DevOps

Git

Job description

Tasks and responsibilities

An IT development team is looking for a full-stack web and mobile developer with at least six years of experience.

The role includes:

• Maintain the technical architecture of software solutions.
• Work with the technical team to translate business requirements into suitable technical designs and technology choices.
• Contribute directly to software development, particularly for complex or critical components.
• Support code quality and architectural consistency through code reviews, technical standards and development best practices.
• Participate in project teams and contribute to the design, development, testing and delivery of software solutions.
• Develop and maintain mobile applications.
• Contribute to the testing, release and deployment of mobile applications on the Google Play Store and Apple App Store.

Your profile

You have proven experience as a full-stack developer and can work independently on web and mobile applications.

Required technical skills

• Object-oriented programming, design patterns and n-tier architecture.
• Backend development with C#, .NET Framework 4.0/4.5/4.8, .NET Core, .NET 10, ASP.NET Core for REST APIs, ASP.NET MVC and Entity Framework.
• Front-end development with HTML, CSS, JavaScript, jQuery, SCSS/SASS, Nuxt.js, Node.js and Vue.js.
• MS SQL Server and T-SQL.
• MS Azure DevOps, Azure DevOps with Git, Docker and Kubernetes.
• Mobile development with React Native and Expo, including deployment to Google Play and the App Store.
• Unit testing with NUnit and xUnit.
• IdentityServer, OpenID Connect and web application security.
• REST API services.

Soft skills and personal competencies

• Analyse complex problems, understand technical requirements and identify suitable solutions.
• Work independently, take ownership of assigned tasks and proactively identify areas for improvement.
• Collaborate effectively with developers, designers, functional analysts, project managers and other stakeholders.
• Communicate clearly and explain technical topics to colleagues.
• Adapt to changing requirements, new technologies and different development environments.
• Maintain a consistent focus on code quality, reliability, usability and maintainability across web and mobile applications.

Languages

French or Dutch, in reading, writing and speaking.

English, in reading, writing and speaking.

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)