Senior Full-Stack Web & Mobile Engineer — .NET & React Native

Keystone Solutions; Brussel Hoofdstad; On-site; EUR 65,000 - 95,000; Full time

Job summary

Keystone Solutions is seeking a talented Full-Stack Web and Mobile Developer for a client-site consultancy in Belgium. This role requires a minimum of 6 years of software development experience.

You will maintain architecture, translate requirements into robust designs, contribute to development, and ensure code quality across web and mobile applications. The position is full-time for four months with a focus on delivering reliable software solutions.

Qualifications

• 6+ years of software development experience.
• Experience with full-stack web and mobile development.
• Ability to translate business requirements into technical designs.

Responsibilities

• Maintain the technical architecture of software solutions.
• Collaborate with the team to translate requirements into robust designs and technology choices.
• Contribute to software development, especially for complex components.
• Ensure code quality and architectural consistency via reviews and standards.
• Participate in design, development, testing, and delivery of software solutions.
• Develop and maintain mobile applications.
• Support testing, release, and deployment to stores.

Skills

C# / .NET

ASP.NET Core

React Native

Vue.js

Nuxt.js

Docker

Kubernetes

Azure DevOps

OpenID Connect

IdentityServer

REST API

jQuery/JS

NUnit

xUnit

Expo

Firebase/Expo

SQL Server

Tools

Docker

Kubernetes

Azure DevOps

Git

Job description

Keystone Solutions is seeking a talented Full-Stack Web and Mobile Developer for a client-site consultancy in Belgium. This role requires a minimum of 6 years of software development experience.

You will maintain architecture, translate requirements into robust designs, contribute to development, and ensure code quality across web and mobile applications. The position is full-time for four months with a focus on delivering reliable software solutions.