Senior .NET Engineer – Backend Focused

Together Staffing group; Johannesburg; On-site; ZAR 700,000 - 1,100,000; Full time

Job summary

Together Staffing group is assisting an IT/Software & Consulting client in Johannesburg to hire a Senior Full Stack .NET Developer. You will work across backend and frontend technologies to deliver robust systems.

Requirements include 5–7 years of professional software development, strong ASP.NET Core and C#, React experience, RESTful APIs design, SQL/NoSQL, and Azure cloud. You’ll thrive in an agile team, emphasize clean code, and mentor juniors.

Qualifications

• 5–7 years of professional software development experience.
• Strong backend with ASP.NET Core and C# (3+ years).
• Frontend experience with React (2+ years).
• Proficient in designing and consuming RESTful APIs.
• Experience with SQL and NoSQL databases.
• Cloud experience (Azure preferred).
• Strong understanding of software architecture, clean code, integration, and testing practices.
• Experience with unit and integration testing.
• Ability to optimise applications for performance, scalability, and maintainability.
• Comfortable working in agile teams (sprint planning, stand-ups, retros).
• Ability to mentor junior developers and participate in code reviews.

Skills

ASP.NET Core

C#

React

RESTful APIs

SQL

NoSQL

Azure

Software architecture

Unit testing

Integration testing

Agile

Mentoring

Code reviews

Job description

Our client in the IT / Software & Consulting industry is looking for a Senior Full Stack .NET Developer to join their team.

Requirements

• 5–7 years professional software development experience.
• Strong backend experience with ASP.NET Core and C# (3+ years).
• Front-end experience with React (2+ years).
• Proficient in designing and consuming RESTful APIs.
• Experience with SQL and NoSQL databases.
• Cloud experience (Azure preferred).
• Strong understanding of software architecture, clean code, integration, and testing practices.
• Experience with unit and integration testing.
• Ability to optimise applications for performance, scalability, and maintainability.
• Comfortable working in agile teams (sprint planning, stand-ups, retros).
• Ability to mentor junior developers and participate in code reviews.