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Senior C# Api Developer

Job in Pretoria, 0002, South Africa
Listing for: Mukon Informatics
Full Time position
Listed on 2026-01-02
Job specializations:
  • Software Development
    Software Engineer, Senior Developer, Full Stack Developer, Backend Developer
Job Description & How to Apply Below

We are looking for a skilled senior C# API developer.

You will be working closely with the software architect in creating efficient, scalable and distributed services for our next generation system.

Our team fosters a culture of learning and experimentation.

Key Responsibilities

System Development :

Work in a focused team of API and Front-End developers in building scalable distributed systems.

Version Control (Git / Git Hub) :

Utilise feature-based branching and effective Git workflows. Proper pull‑request etiquette, including understanding the use‑case and performing thorough local testing prior to merging.

Quality & Standards :

Apply best practices and design patterns to ensure code quality, maintainability, and scalability.

Performance & Data access :

Understand performance implications of queries through an ORM, specifically Entity Framework.

Collaborate with the architect :

Work effectively from technical specifications and actively discuss implementation detail to find the optimal solution.

Actively share ideas and provide constructive input on best technical approaches.

Participate in sessions focused on teaching other developers best coding practices and patterns.

Agile Prioritisation :

Actively participate with the team in refining and prioritising development features for the sprint.

Required Experience & Qualifications

Experience :

7-10 years of professional experience in developing applications, with a strong focus on building RESTful APIs using C#.

Culture :

Strong willingness to learn new technologies and actively share knowledge with teammates.

Technical Skills

Core Development :

Expertise in C# and .NET Core. Design patterns and best practices.

Version Control :

Experience in Git Hub and feature-based branching.

Quality Control :

Unit testing, End-to-end testing, Strong understanding of data access and API optimisation techniques including identifying and resolving N problems with database access; exposure to patterns like CQRS; managing lazy vs. eager data access strategies; proper object disposal and resource management.

Distributed Systems :

Experience in asynchronous communication, concepts of eventual consistency, and working knowledge of building and maintaining distributed systems.

Soft Skills

Excellent problem‑solving and analytical abilities.

Ability to work independently or as part of a team.

Strong verbal and written communication skills.

Ability to understand context and self‑prioritise sprint features.

Nice to Have

Experience in code modernisation for cloud.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Engineering and Information Technology

IT Services and IT Consulting

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Position Requirements
10+ Years work experience
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