C# / .Net Full Stack Developer

CodeConnect Staffing (Pty) Ltd; Johannesburg; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A software development company in Johannesburg is seeking an Intermediate C# / .NET Full Stack Developer to join its development team. The successful candidate will work on diverse projects, developing modern web applications and RESTful APIs. Ideal applicants have 3–5 years in software development with proficiency in C# and .NET Core, alongside experience in front-end technologies. This is a permanent, on-site position with a focus on collaboration and problem-solving.

Qualifications

• 3–5 years’ professional experience as a Software or Full Stack Developer.
• Proven experience developing in C# and .NET Core.
• Strong understanding of JavaScript (ES6), HTML5, and CSS.

Responsibilities

• Design, develop, and maintain modern web applications using C#, .NET Core.
• Build, maintain, and optimize RESTful APIs and back-end services.
• Collaborate with designers, senior engineers, and product managers.

Skills

C#

.NET Core

JavaScript (ES6)

React

Vue.js

REST APIs

SQL databases

Tools

Docker

Jenkins

GitLab CI

Job description

Job Specifics:

• Location: Sandton, JHB
• Work Model: On-Site
• Job Type: Permanent / Full Time

Role Overview

An established and forward-thinking software development company is seeking an Intermediate C# / .NET Full Stack Developer to join its expanding development team. This role offers the opportunity to work on diverse, high-impact projects that span both front-end and back-end technologies, using modern frameworks and best practices.

The successful candidate will be a skilled developer who enjoys solving complex problems, building robust and scalable systems, and collaborating within a team of passionate professionals.

Key Responsibilities

• Design, develop, and maintain modern web applications using C#, .NET Core, and front-end technologies such as JavaScript, React, or Vue.js.
• Build, maintain, and optimize RESTful APIs and back-end services.
• Ensure software is performant, scalable, and secure.
• Write clean, efficient, and maintainable code following industry best practices.
• Collaborate with designers, senior engineers, and product managers to deliver quality solutions.
• Participate in code reviews and contribute to improving team standards and processes.
• Troubleshoot and debug issues across the full stack.
• Stay current with emerging technologies and development trends.

Requirements

• 3–5 years’ professional experience as a Software or Full Stack Developer.
• Proven experience developing in C# and .NET Core.
• Strong understanding of JavaScript (ES6), HTML5, and CSS, with practical experience using frameworks like React or Vue.js.
• Knowledge of object-oriented programming and software design principles.
• Experience building and integrating REST APIs (GraphQL knowledge advantageous).
• Good understanding of SQL databases and data handling.
• Familiarity with testing frameworks such as Jest, Cypress, Mocha, or Chai.
• Working knowledge of SOLID principles and clean code practices.
• Exposure to Docker, CI/CD pipelines (e.g., Jenkins, GitLab CI), or cloud-based development environments beneficial.

Soft Skills and Attributes

• Strong problem-solving and analytical skills.
• Ability to manage multiple priorities and deliver high-quality work within deadlines.
• Clear, confident communication skills across technical and non-technical audiences.
• A collaborative mindset and openness to feedback.
• Eagerness to learn, grow, and take on new challenges.

Why Apply

This role offers an exciting opportunity for an intermediate developer to deepen their expertise in the Microsoft tech stack while continuing to work across the full software development lifecycle.