Senior Full Stack Developer (C#/.NET, TypeScript)

Network IT · Johannesburg East

Senior 🇬🇧 English

C# .NET Core ASP.NET Core TypeScript HTML CSS SQL RESTful APIs Entity Framework ORM Application security

Job description

About the role

Network IT is seeking an experienced Senior Full Stack Developer to join its Johannesburg East development team. You will work on enterprise‑level web applications, delivering high‑quality code and mentoring junior talent.

Key responsibilities

Design, develop, and maintain full‑stack web applications using C#.NET, TypeScript, HTML and CSS.
Build secure RESTful APIs and integrate external systems.
Develop, optimise, and maintain SQL databases, queries and stored procedures.
Conduct code reviews, enforce best practices and ensure application security.
Troubleshoot performance issues and provide ongoing maintenance.
Create and keep technical documentation up to date.

Required profile

6–9 years of full‑stack development experience.
Proven ability to mentor junior developers and influence technical decisions.
Strong understanding of secure coding practices.

Required skills

C#
.NET Core / ASP.NET Core
TypeScript
HTML & CSS
SQL and relational database design
RESTful API development
Entity Framework or comparable ORM
Application security fundamentals

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Published 3 weeks ago

Expires 1 month from now

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Network IT

Johannesburg East

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