Senior Full Stack Developer | Sandton | Permanent

Edge Executive Search Group; Sandton; On-site; ZAR 700 000 - 900 000; Full time

Job summary

A technology recruitment agency is seeking an experienced Full Stack Developer to design and optimize applications using .NET and React. The ideal candidate will have over 7 years of experience, contribute to feature design, and participate in agile ceremonies within a forward-thinking organization that values continuous improvement and learning.

Qualifications

• 7+ years’ experience as a Full Stack Developer.
• Strong experience with .NET Core, .NET 6 or higher, and ASP.NET frameworks.
• Proven experience building React applications.

Responsibilities

• Understand and translate business requirements into functional, high-quality solutions.
• Write clean, efficient, and scalable code using modern .NET and React.
• Develop and maintain REST APIs and web applications across multi-layered architectures.

Skills

Full Stack Development

API Development

React

JavaScript

HTML

CSS

Bootstrap

Unit Testing

Education

Bachelor’s degree in Computer Science or relevant field

Tools

.NET Core

.NET 6 or higher

ASP.NET

SQL Server

Azure DevOps

Docker

Kubernetes

Azure services

Job description

Join a team that believes in bold thinking, continuous learning, and building software that makes an impact. This role is ideal for a developer who thrives in an agile, collaborative environment and wants to work with the latest .NET and React technologies.

You will play a key role in designing, developing, and optimising full-stack applications within a modern engineering environment. The role requires strong capability across API development, frontend engineering, cloud fundamentals, and high-quality coding practices. You will contribute to feature design, participate in agile ceremonies, and ensure the delivery of scalable, secure, and maintainable solutions.

Our client is a forward-thinking technology organisation known for its innovative culture, flat structure, and commitment to growing technically curious individuals. They focus on delivering modern, cloud-aligned software while fostering an environment that values autonomy, ownership, and continuous improvement.

What You’ll Do

• Understand and translate business requirements into functional, high-quality solutions.
• Write clean, efficient, and scalable code using modern .NET and React.
• Develop and maintain REST APIs and web applications across multi-layered architectures.
• Collaborate with cross-functional teams to design, develop, and optimise software components.
• Participate in agile ceremonies and contribute to technical discussions.
• Validate application functionality, performance, and security.
• Develop user-friendly web interfaces using React, JavaScript, HTML, CSS, and Bootstrap.
• Write and maintain unit tests to ensure code quality and reliability.
• Troubleshoot and debug applications across the full stack.
• Stay current with emerging tools, frameworks, and development trends.

What You Bring

• Bachelor’s degree in Computer Science or a relevant field.
• 7+ years’ experience as a Full Stack Developer.
• Strong experience with .NET Core, .NET 6 or higher, and ASP.NET frameworks.
• Proficiency in developing REST APIs and working with SQL Server.
• Proven experience building React applications.
• Strong skills in JavaScript, HTML, CSS, and Bootstrap.
• Experience with unit testing frameworks such as MSTest, NUnit, or xUnit.
• Understanding of SOLID principles, microservices, OOD, and clean architecture.
• Exposure to Azure DevOps, CI/CD pipelines, Docker, and Kubernetes.
• Familiarity with Azure services such as API Management, Functions, Key Vault, Cosmos DB, and App Service.
• Ability to work in agile, waterfall, or hybrid environments.

What Success Looks Like

• Delivering high-quality, well-tested code aligned to requirements and best practices.
• Collaborating effectively with team members and contributing to shared goals.
• Taking ownership of tasks and proactively solving development challenges.
• Continuously improving application performance, quality, and security.
• Staying informed and adopting new tools, frameworks, and cloud technologies where relevant.