Mobile & Web Commerce
Under Armour
Mobile and web commerce work covering customer accounts, product discovery, shopping and checkout.
Yonela Johannes
I build products that ship.
Backend · Frontend · Mobile · Systems
Tech Stack
The technologies I use to design, build and ship web applications, mobile products, APIs and connected systems.
Web · Mobile · Backend
Data · Cloud · Systems
Frontend
Web interfaces and application experiences
ReactNext.jsVue.jsNuxt.jsTypeScriptJavaScriptTailwind CSS
Backend
APIs, services and application logic
Node.jsNestJSExpress.jsREST APIsPrismaWebSockets
Data
Databases and application data
PostgreSQLMongoDBRedisNeonSupabase
Mobile
Cross-platform mobile applications
React NativeExpoExpo RouterEASWebRTCSocket.IO
Cloud & Delivery
Deployment and developer infrastructure
AWSAmazon S3VercelGitGitHubCI/CD
Architecture
Systems, structure and engineering patterns
TurborepoMonoreposAPI ArchitectureAuthenticationReal-time Systems
Security
Application security and data access
API SecurityJWTSessionsGraphQL
Also working withAI-assisted development · Third-party APIs · Payment integrations · Headless commerce · Real-time applications
Brands I've worked with
Digital commerce experiences and products built alongside teams working with established brands.
Commerce · Web
Mobile · Storefronts
Mobile & Web
Vans
Mobile and web storefront work focused on the customer shopping experience and commerce journey.
eCommerce
Birkenstock
Storefront development supporting the digital commerce experience for Birkenstock South Africa.
eCommerce
Crocs
Storefront development contributing to the digital commerce experience for Crocs South Africa.
Selected client work04 brands
Selected work
Projects
A selection of digital products and platforms I've built across creative tools, commerce, marketplaces, social and SaaS.
01
web
COMPLETED
SEENE
Creative Tools · Presentations
A cinematic presentation tool for crafting scenes with precise camera controls, motion, and timelines.
TypeScriptReactCanvasWebGLNPM
02
web
In progress
DailyBookings
Marketplace · Booking · Services
A service marketplace connecting customers with local professionals through discovery, bookings, business profiles and messaging.
NuxtVueTypeScriptPostgreSQLPrisma
03
web
Completed
HOT Beauties Salon
E-commerce · Beauty · Commerce
A complete commerce platform bringing products, customer accounts, shopping and order management into one digital experience.
Next.jsReactTypeScriptNode.jsSupabase
04
webmobile
Live / Building
Maya
Social · Real-time · Community
A full-stack social platform built around communities, local discovery and real-time communication across web and mobile.
Next.jsReactExpoNode.jsPostgreSQLWebRTC
05
web
Completed
Be Pleasured by Pinky
Wellness · Education · E-commerce
A digital platform combining commerce, education and experiences through products, classes, workshops, events and editorial content.
Next.jsReactTypeScriptSupabasePostgreSQL
06
webmobile
Building
Zama
Marketplace · Commerce · Platform
A community marketplace bringing local businesses, products and commerce online through digital storefronts, discovery and orders.
Next.jsReactExpoNestJSPostgreSQLPrisma
07
web
Building
Hemlett
E-commerce · Commerce Experience
A modern commerce experience focused on product presentation, responsive storefronts and a smoother path from discovery to purchase.
ReactTypeScriptShopify HydrogenShopify
08
web
Building
Clockwork
Recruitment · SaaS · HR
A recruitment SaaS platform connecting applicants, recruiters and HR teams through a unified digital workflow.
Next.jsReactTypeScriptNode.jsSupabase
Drag to explore8 projects
Case Studies
A closer look.
A closer look at the products and systems I’ve worked on, from production commerce to products I’ve built independently.
Professional work
Production Commerce
Shopify Hydrogen · React · TypeScript
The work
Worked across 6+ production commerce products for global retail and fashion brands, building customer-facing storefronts with Shopify Hydrogen, React and TypeScript.
My role
Frontend and full-stack engineering across storefront architecture, commerce integrations, reusable systems, performance and production delivery.
Built with
Shopify HydrogenReactNext.jsExpoTypeScriptShopifyGraphQLNode.js
Independent work
Products I’ve Built
Platforms · Marketplaces · Commerce · SaaS
The work
A collection of products I’ve designed and built from the ground up — from community platforms and marketplaces to commerce, booking and business products.
My role
End-to-end product engineering across product thinking, frontend, backend systems, architecture, data, APIs, real-time features, payments and mobile.
Built with
Next.jsReactTypeScriptNode.jsNestJSPostgreSQLPrismaExpo
Get in touch
Let's build
something.
Good products start with a good conversation. If you have a product, platform or system worth building, let's talk.
Full-Stack Engineer · South Africa
johannesyonela@gmail.com
Based
Cape Town, South Africa
Start a conversation
Have something
worth building?
Tell me what you're working on, what needs solving, or where you need engineering support.
Remote/Hybrid
Cape Town · South Africa
GitHub · Live index
All my projects
Everything I've pushed, pulled live from GitHub — public and private work across products, platforms, experiments and the occasional bootcamp exercise.
Updated 24 October 2026
131 repos · 37 private · 2 stars
Repositories
131
In the index
Private
37
Owner-only repos
Deployed
25
With a live link
Stars
2
Across all repos
Status
Status
131repos
Activity by year
2021
2022
2023
2024
2025
2026
Repositories active each year, stacked by status. Hover a bar to see the mix.
Main language
JavaScript46TypeScript32Unspecified15HTML11Ruby9Python8Other10
2026
13 projects
2026-10PythonPushed to in the last 90 days
2026-10TypeScriptPushed to in the last 90 days
2026-09JavaScriptPushed to in the last 90 days
2026-09VueDeployed and still maintained
2026-06TypeScriptPushed to in the last 90 days
2025
8 projects
2025-10TypeScriptUntouched for a year or archived
2025-06TypeScriptDeployed and still maintained
2025-05TypeScriptDeployed and still maintained
2025-03PythonUntouched for a year or archived
2024
26 projects
2024-11TypeScriptUntouched for a year or archived
A pattern-based approach for learning technical interview questions
2024-10Forked from someone else's repo
Eden is a vibrant events app designed to keep you connected to sports, organizational, and entertainment events. It offers location-based servers with channels for text, audio, and video interactions, allowing companies to post on newsfeeds via premium accounts. Organizations can bid for ownership of location servers, creating a dynamic marketplace
2024-10PythonUntouched for a year or archived
Welcome to Featr, where we specialize in crafting custom solutions for messaging/social apps and eCommerce/payment gateways. Our goal is to simplify development while delivering powerful, high-quality platforms that engage users and drive results.
javascriptnodejstailwindcsstypescript
2024-09TypeScriptUntouched for a year or archived
Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
2024-07Forked from someone else's repo
This Repo consists of must do questions based on Data Structures & Algorithms
2024-06Forked from someone else's repo
2024-02JavaScriptPushed to in the last 90 days
2024-02PythonUntouched for a year or archived
100+ coding interview questions related to algorithms and data structures.
2024-02Forked from someone else's repo
2024-02PythonUntouched for a year or archived
Welcome to Okuhle's portfolio! I am Okuhle, a dedicated software tester based in Cape Town, South Africa. This portfolio showcases my skills, projects, and professional journey in software testing and quality assurance
2024-02HTMLUntouched for a year or archived
2024-02JavaUntouched for a year or archived
2024-02C#Untouched for a year or archived
The Wine Page, a user-friendly web app, caters to wine enthusiasts, collectors, and those savoring a good glass. Seamlessly manage, explore, and edit your curated wine collection with an intuitive interface, providing an effortless journey into the world of wines. 🍷
2024-01JavaScriptUntouched for a year or archived
2023
27 projects
2023-10JavaScriptUntouched for a year or archived2
2023-10JavaScriptUntouched for a year or archived
It's a user-friendly and efficient SaaS platform that seamlessly connects advertising from popular platforms such as Facebook Ads, LinkedIn Ads, Google Ads, and Google Analytics 4.
2023-09TypeScriptPushed to in the last 90 days
2023-09JavaScriptUntouched for a year or archived
It's a user-friendly and efficient SaaS platform that seamlessly connects advertising from popular platforms such as Facebook Ads, LinkedIn Ads, Google Ads, and Google Analytics 4.
2023-07JavaScriptUntouched for a year or archived
I'm building a Next.js e-commerce template, part of a series of online stores created with different languages: Ruby/Rails, Angular, and DBs MongoDB/PostgreSQL. These projects will showcase the versatility of my skills and allow me to explore various tech stacks for future projects.
2023-04JavaScriptUntouched for a year or archived
This site reflects my journey as a developer, showcasing the skills and projects that define my career. Through thoughtful design and detailed case studies, you'll get a glimpse into my professional world, my approach to solving problems, and my passion for coding.
portfolioportfolio-websitereacttailwindcssvite
2023-04TypeScriptDeployed and still maintained
2023-03RubyUntouched for a year or archived
2023-03RubyUntouched for a year or archived
2023-02RubyUntouched for a year or archived
2023-02RubyUntouched for a year or archived
2023-02RubyUntouched for a year or archived
2023-02RubyUntouched for a year or archived
2023-02RubyUntouched for a year or archived
2023-02CSSUntouched for a year or archived
2023-01Forked from someone else's repo
🚀 Exercises for the 9-week Le Wagon bootcamp
2023-01RubyForked from someone else's repo
2022
46 projects
2022-11JavaScriptForked from someone else's repo
2022-11JavaScriptForked from someone else's repo
2022-11TypeScriptUntouched for a year or archived
2022-11Forked from someone else's repo
2022-10JavaScriptUntouched for a year or archived
2022-10Forked from someone else's repo
2022-09JavaScriptUntouched for a year or archived
2022-09JavaScriptUntouched for a year or archived
2022-09HTMLUntouched for a year or archived
2022-09JavaScriptUntouched for a year or archived
2022-08JavaScriptUntouched for a year or archived
2022-08JavaScriptUntouched for a year or archived
2022-07JavaScriptUntouched for a year or archived
2022-07JavaScriptUntouched for a year or archived
2022-07Forked from someone else's repo
2022-07JavaScriptUntouched for a year or archived
2022-07JavaScriptUntouched for a year or archived
2022-07JavaScriptUntouched for a year or archived
Learn about the list functions forEach, map, find, filter & reduce - with Pizzas.
2022-06Forked from someone else's repo
2022-06HTMLForked from someone else's repo
2022-05JavaScriptUntouched for a year or archived
2022-05HTMLUntouched for a year or archived
2022-05JavaScriptForked from someone else's repo
2022-05HTMLUntouched for a year or archived
2022-05JavaScriptUntouched for a year or archived
2022-05CSSUntouched for a year or archived
2022-05JavaScriptUntouched for a year or archived
2022-05JavaScriptUntouched for a year or archived
2022-04JavaScriptUntouched for a year or archived
Create a responsive landing page & MochaJS
2022-04HTMLForked from someone else's repo
2022-04JavaScriptUntouched for a year or archived
2022-04JavaScriptUntouched for a year or archived
2022-04JavaScriptUntouched for a year or archived
2022-03JavaScriptUntouched for a year or archived
2022-02TypeScriptDeployed and still maintained
2021
11 projects
2021-10Forked from someone else's repo
A boilerplate for the freeCodeCamp curriculum.
2021-08JavaScriptForked from someone else's repo
2021-07Untouched for a year or archived
2021-06HTMLUntouched for a year or archived
2021-06JavaScriptUntouched for a year or archived
2021-06HTMLUntouched for a year or archived
Non profit organisation website
2021-04CSSPushed to in the last 90 days
Synced from GitHub131 of 131 projects shown · Updated 24 October 2026