Full-Stack Engineer: React/TypeScript to .NET Growth — Hybrid

Codematch; Johannesburg; Hybrid; ZAR 600,000 - 900,000; Full time

Job summary

Codematch is hiring for a full-time role in Johannesburg, starting with three live React apps and a new PWA owner portal to support low-end Android devices and patchy connectivity. You will work on data pipelines, edge services, and will grow into a .NET API alongside a senior engineer.

The role offers hybrid work after onboarding, with initial office-based training in Rosebank, and a modern stack including React, Vite, Tailwind, Cloudflare Workers, Supabase, and ClickHouse.

Qualifications

• Strong front-end experience with React and TypeScript in production
• Backend experience in Node/JavaScript, TypeScript, C#, Java or Kotlin with a production ORM
• Comfort with SQL and scripting for data work (Python or TypeScript)

Responsibilities

• Maintain three live React apps: consumer portal, admin/campaign portal, and client reporting app
• Build an owner portal as a PWA for low-end Android phones and patchy connectivity
• Manage data pipelines behind the product (event data, SQL Server, Postgres)
• Develop smaller edge services (Cloudflare Workers, Supabase apps)
• Grow into the .NET API alongside a senior engineer

Skills

React

TypeScript

Front-end development

Node.js

SQL

Tools

Cloudflare Workers

Supabase

ClickHouse

Job description

Codematch is hiring for a full-time role in Johannesburg, starting with three live React apps and a new PWA owner portal to support low-end Android devices and patchy connectivity. You will work on data pipelines, edge services, and will grow into a .NET API alongside a senior engineer.

The role offers hybrid work after onboarding, with initial office-based training in Rosebank, and a modern stack including React, Vite, Tailwind, Cloudflare Workers, Supabase, and ClickHouse.