Senior.Net Engineer – Backend Focused

Tumaini Consulting; Gauteng; Hybrid; ZAR 700,000 - 900,000; Full time

Job summary

Together Staffing group is seeking a Senior .NET Engineer – Backend Focused, based in Midrand with a hybrid work model (3 days in office per week). The role requires deep backend expertise in ASP.NET Core and C#, plus frontend React experience, API design, and cloud familiarity.

Applicants should have 5–7 years of software development, strong testing discipline, and the ability to mentor juniors. Apply via [e-mail] or visit our website for more details.

Qualifications

• 5–7 years professional software development experience.
• Backend experience 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.
• Degree in computer science, software engineering, or related field.
• Comfortable working in agile teams (sprint planning, stand-ups, retros).
• Ability to mentor junior developers and participate in code reviews.
• Willingness to complete technical assessments.

Responsibilities

• Develop backend features using .NET and ASP.NET Core.
• Design and consume RESTful APIs and integrate with frontend services.
• Collaborate in agile sprints and participate in planning and stand-ups.
• Mentor junior developers and participate in code reviews.
• Focus on performance, scalability, and maintainability of applications.
• Prepare and conduct technical assessments as needed.

Skills

Backend development

C#

ASP.NET Core

React

REST APIs

SQL

NoSQL

Azure

Unit testing

Integration testing

Agile

Mentoring

Education

Bachelors in Computer Science/Software Engineering

Job description

My client is looking for Senior .NET Engineer – Backend Focused, based in Midrand, to join their team! Please note this role has a Hybrid work model (3 days in office per week).

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.
• Degree in Computer Science, Software Engineering, or related field.
• Comfortable working in agile teams (sprint planning, stand-ups, retros).
• Ability to mentor junior developers and participate in code reviews.
• Willingness to complete technical assessments (where applicable).

If you would like to apply for this position, please send transcripts with applications.

Should you meet the requirements for this position, please email your updated CV attached to [e-mail], alternatively contact 031 350 4018 or visit our website, www.tumaini.co Correspondence will only be conducted with short listed candidates. Should you not hear from us within 3 days, please consider your application unsuccessful.