Senior C# Developer

Paracon; Johannesburg; Hybrid; ZAR 500,000 - 600,000; Part time

Job summary

A technology consulting firm is looking for a Senior C# Developer in Johannesburg to develop high-performance backend services for fintech products. The ideal candidate will have over 10 years of experience with C#, .NET, and strong skills in APIs and Microservices. This is a hybrid part-time position offering the chance to be part of a collaborative team working on innovative solutions.

Qualifications

• 10 years of experience in software development using C#.
• Proficient in .NET Core, .NET Framework, and SQL Server.
• Strong understanding of Entity Framework and Microservices architecture.

Responsibilities

• Develop and enhance secure backend services and RESTful APIs.
• Collaborate with cross-functional teams including QA, BA, UX Architects, and Product Owners.
• Write clean, well-documented, and testable code.

Skills

C#

.NET Core

SQL Server

Entity Framework

Microservices

RESTful APIs

Swagger

Git

Education

Tertiary qualification in Information Technology or related field

Tools

Docker

Kubernetes

Job description

Overview

Paracon

Senior C# Developer

Were looking for a Senior C# Developer to build high-performance scalable and maintainable backend services and APIs across a modern suite of fintech products. This is your chance to work in a dynamic collaborative team solving real-world challenges with clean secure and efficient code.

You will work on multiple products within a modern tech stack driving innovation and contributing to the technical direction of the company. If you thrive in a fast-paced delivery-focused environment and arent afraid to speak up or take ownership we want to hear from you.

Responsibilities

• Develop and enhance secure backend services and RESTful APIs.
• Translate product and business requirements into robust technical solutions.
• Collaborate with cross-functional teams including QA BA UX Architects and Product Owners.
• Contribute to and help shape solution architecture and development practices.
• Write clean well-documented and testable code.
• Refactor and continuously improve the existing codebase.
• Troubleshoot diagnose and resolve bugs and performance issues.

Qualifications

• Tertiary qualification in Information Technology or a related technical field.

Required Skills & Experience

• 10 years professional experience in software development using C#.
• Proficient in .NET Core, .NET Framework and SQL Server.
• Strong understanding of Entity Framework and Microservices architecture.
• Experience in building and maintaining RESTful APIs and WCF services.
• Working knowledge of Swagger, Windows Services and source control systems (e.g. Git).
• Team-first mindset, open communicator and contributor to shared goals.

Nice to Have

• Familiarity with CI / CD pipelines particularly for cloud-based deployments.
• Experience with containerized applications (e.g. Docker, Kubernetes).
• Exposure to Angular or similar front-end frameworks.
• Background in banking or broader fintech products.
• Experience with AWS (cloud infrastructure, container orchestration, infrastructure as code).
• Knowledge of software design patterns and secure coding practices.

Location

Johannesburg, Gauteng

Workplace Type

Hybrid

Job Type

Contract

Experience Type

Senior

Additional

Required Experience: Senior IC

Key Skills

APIs, REST, Spring, SOAP, .NET, React, Node.js, Angular, J2EE, JavaScript, Web Services, Java

Employment Type

Part-Time

Vacancy

1