Engineering software across every platform.
Themba Mahlangu
Johannesburg, South Africa
Full-stack developer with a track record across enterprise web systems, mobile apps, desktop software, and game servers. Clients include Capitec Bank and the Central Bank of Eswatini.
Passion fuels purpose.
I'm Themba Mahlangu — a results-driven Software Engineer with 6+ years of expertise architecting and delivering production-grade solutions that power businesses across multiple industries.
I engineer across the entire technology stack: high-traffic web applications, cross-platform mobile apps, desktop software, and enterprise backend architectures. My portfolio includes delivering mission-critical systems for Capitec Bank, Central Bank of Eswatini, and 40+ clients worldwide.
Outside client work, I craft immersive multiplayer experiences — as a contributor to the exclusive Helix Closed-Alpha Program and founder of a successful Tebex storefront.
"Great software is built where creativity meets engineering."
Tech stack
Languages
JavaScript · TypeScript · C# · Lua · HTML · CSS · SASS
Frontend
React · Next.js · Angular (limited project experience; eager to deepen) · React Native · Redux · TailwindCSS
Backend
Node.js · Express · ASP.NET · .NET Core · GraphQL
Data & Cloud
MongoDB · Firebase · Supabase · AWS · MySQL
Tools
Git · GitHub · VS Code · Webpack
Game Dev
Unreal Engine · FiveM Framework · Helix Core
Work history.
Owner & Lead Software Engineer
NowAsync Creatives · Johannesburg, Gauteng
Own Async Creatives, leading a developer team and contributing hands-on to frontend and backend development. Work full-time between employed roles, and part-time or substantially less while committed to other employment.
React · Next.js · TypeScript · Node.js
FiveM Script Developer / Founder
NowsgMAGLERA Development · Remote
Founder and sole operator developing custom FiveM scripts sold through Tebex, with storefront and documentation work. Contributor to the Helix Closed-Alpha Program.
React · CSS · Lua · MySQL · FiveM
Software Engineer
Param Solutions · Johannesburg / Remote
Individual full-stack contributor using C#/ASP.NET and React, including backend refactoring, automated testing, and collaboration with a distributed team.
React · C# · ASP.NET
Front-End Developer
Alfeco Holdings (PhotonMatters) · Sandton
Developed React and TypeScript loan management interfaces for USA and India clients, a farming telemetry tracking feed, and Microsoft integrations.
React · TypeScript · REST APIs
Mobile App Developer
Capitec Bank · Stellenbosch, Western Cape
Developed new features for the Capitec mobile app including Live Easy feature stabilisation and security improvements.
React Native · TypeScript · Mobile Security
Freelance Full-Stack Developer
Self-Employed · South Africa
Completed 37 projects including web, mobile, and desktop applications. Served over 40 clients across South Africa with 20 projects in production.
Full-Stack · React · Node.js · Mobile
Education
BA Development Studies
University of Johannesburg
2016 – 2018
Major: Public Management & Governance · Minor: Business Management
Software Development Certification
Meta — Microverse
2019 – 2021
HTML · CSS · Ruby · JavaScript · React · Redux · SQL
Certifications
Foundational C# with Microsoft
freeCodeCamp · 2024
JavaScript Algorithms & Data Structures
freeCodeCamp · 2024
Responsive Web Design
freeCodeCamp · 2024
Selected projects.
Sphere Bot
AI work companions for Windows and web, with connectors, routines, configurable model providers, and cloud coding agents.
Windows & web · Connectors · Routines · Cloud Agents
sgMAGLERA Scripts
Premium Tebex store for FiveM Game Server scripts with video showcases and detailed documentation.
Lua · FiveM · JavaScript · MySQL
Async Creatives
Design, software, and IT company website showcasing services and portfolio.
React · Next.js · TailwindCSS
Let's build something worth building.
Whether you have a project in mind, want to discuss a role, or just want to start a conversation — I'd like to hear from you. Fill out the form and I'll get back to you within 24 hours.