Senior Hybrid .NET Full-Stack Developer — APIs & Azure

ATS Client; Johannesburg; Hybrid; ZAR 540,000 - 900,000; Full time

Job summary

ATS Client in Johannesburg is seeking an experienced Full Stack .NET Developer to join a dynamic IT team responsible for developing, enhancing, and supporting business-critical applications. This role offers the opportunity to work on modern technologies while delivering scalable, secure, and high-performing software solutions.

You will design, develop, and maintain full-stack applications, build RESTful APIs, and collaborate with stakeholders to translate business requirements into technical

Qualifications

• 5+ years of software development experience.
• Strong experience with C#, ASP.NET Core, Entity Framework (Code First), and SQL Server.
• Solid experience with React, Angular, or Vue.js.
• Experience developing and consuming RESTful APIs, GraphQL, Swagger/OpenAPI.
• Proficiency with Git, CI/CD pipelines, and automated testing frameworks such as NUnit, xUnit, or Playwright.
• Experience working within an Agile/Scrum environment.
• Exposure to Azure, RabbitMQ, Kafka, Microsoft Entra, Postman, and DevOps tools will be advantageous.
• Relevant Degree, Diploma, or equivalent industry experience.

Responsibilities

• Design, develop, and maintain full-stack applications and business systems.
• Build and support RESTful APIs, integrations, and backend services.
• Collaborate with stakeholders to translate business requirements into technical solutions.
• Write clean, efficient, and maintainable code following best practices.
• Participate in Agile ceremonies including sprint planning, stand‑ups, reviews, and retrospectives.
• Perform code reviews, testing, troubleshooting, and defect resolution.
• Contribute to continuous improvement initiatives and mentor junior developers where required.

Skills

C#/.NET

ASP.NET Core

Entity Framework

SQL Server

React

Angular

Vue.js

RESTful APIs

GraphQL

Swagger/OpenAPI

Git

CI/CD

NUnit

xUnit

Playwright

Agile

Azure

RabbitMQ

Kafka

Entra

Postman

DevOps

Education

Degree or equivalent

Tools

Postman

Swagger/OpenAPI

Azure

RabbitMQ

Kafka

Job description

ATS Client in Johannesburg is seeking an experienced Full Stack .NET Developer to join a dynamic IT team responsible for developing, enhancing, and supporting business-critical applications. This role offers the opportunity to work on modern technologies while delivering scalable, secure, and high-performing software solutions.

You will design, develop, and maintain full-stack applications, build RESTful APIs, and collaborate with stakeholders to translate business requirements into technical