C# Developer

Monkey and River; Centurion; Hybrid; ZAR 420,000 - 660,000; Full time

Job summary

Monkey and River is seeking a mid-level C# Developer to design and implement secure backend services and APIs. You will work on scalable applications, collaborating with frontend, QA and DevOps teams to deliver complete solutions in a hybrid setup.

The role requires 2+ years of C#/.NET experience, strong OO design skills and proficiency with ASP.NET Core, RESTful APIs and SQL databases. You’ll contribute to code quality with tests and refactoring for performance.

Qualifications

• Bachelor's degree in Computer Science or a related field.
• 2+ years of C# and .NET development experience.
• Strong understanding of object-oriented programming and software design.

Responsibilities

• Design and develop backend services and APIs using C# and .NET (6 and above).
• Build scalable, secure solutions for web and, where applicable, desktop applications.
• Collaborate with front-end developers, QA engineers and DevOps teams to deliver complete solutions.
• Write clean, maintainable code that follows SOLID principles and modern best practices.
• Work with databases such as SQL Server or PostgreSQL using Entity Framework or Dapper.
• Write unit and integration tests to ensure software reliability and maintainability.
• Improve existing systems through refactoring, performance optimisation and automation.

Skills

C# & .NET

ASP.NET Core

RESTful API design

MVC architecture

Entity Framework

SQL Server/PostgreSQL

Git & CI/CD

Dapper

Education

Bachelor's degree in Computer Science or related field

Tools

Git

CI/CD pipelines

Dapper

Job description

We work with C# Developers to build secure, scalable and high-performance backend systems across a range of industries. This role typically requires a Bachelor?s degree in Computer Science or a related field, along with experience delivering production-ready applications using the .NET ecosystem.

What you could do with us

Design and develop backend services and APIs using C# and .NET (6 and above)

Build scalable, secure solutions for web and, where applicable, desktop applications

Collaborate with front-end developers, QA engineers and DevOps teams to deliver complete solutions

Write clean, maintainable code that follows SOLID principles and modern best practices

Work with databases such as SQL Server or PostgreSQL using Entity Framework or Dapper

Write unit and integration tests to ensure software reliability and maintainability

Improve existing systems through refactoring, performance optimisation and automation

What we look for

2 or more years of experience in C# and .NET development

Strong understanding of object-oriented programming and software design principles

Proficiency with ASP.NET Core, RESTful API development and MVC architecture

Experience working with relational databases and ORMs such as Entity Framework

Familiarity with version control systems like Git, CI/CD pipelines and deployment workflows

Strong problem-solving skills and the ability to debug effectively across systems

Opportunity forcareer advancementand skill development.

Competitive salaryand benefits.

Hybrid work policy(2 days at the office,3 days remote).

About the team

As a C# Developer at Monkey and River, you?ll join a backend-focused team that values clean architecture, performance and long-term maintainability. You?ll work alongside front-end developers, designers and QA engineers to build reliable systems that scale, integrate cleanly and deliver value across industries.

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