Case
Studies
Engineering write-ups of 25 projects our founders built or worked on, many as engineers at other companies. Each study says who the work was for and links only to what you can check.
ConstrActive Platform: Construction Leads, Data and Recurring Payments on GoHighLevel, Supabase and Stripe
ConstrActive Platform is a web platform for construction businesses that combines GoHighLevel for CRM and marketing automation, Supabase for its database and Stripe for recurring payments. Sameem Amjad worked on it.
1,706-word study
Afriva E-Commerce Platform: A Four-Role Multi-Vendor Marketplace on Next.js 15 and Supabase
Afriva is a multi-vendor e-commerce marketplace with separate dashboards for four roles (admin, manager, seller and buyer) covering inventory, order processing and real-time order tracking, built on Next.js 15 and Supabase with Redux Toolkit. Sameem worked on Afriva as an engineer at Webrange Solutions.
1,544-word study · 1 checkable fact
WOD Pro League: Real-Time Competition Leaderboards on Flutter, Node.js and Redis
WOD Pro League is an online functional-fitness league: athletes enter competitions, submit workout scores from a Flutter mobile app and see their place on live leaderboards, while organisers run events from a React dashboard. Sameem worked on WOD Pro League as an engineer at Zencloud; his part was the real-time leaderboard on Socket.io and Redis, the Node.js and Express backend that takes competition registrations, and the Stripe integration, on a backend that also uses AWS Lambda and S3.
1,546-word study · 1 checkable fact
JUJU Streaming Platform: Media Backend on Node.js, FFmpeg and AWS
JUJU is a subscription mobile app for spiritual content that serves video, audio and its own "scent & science" media. JUJU was Sameem's direct client work: from March to October 2025 he built its Node.js media backend: a Fluent-FFmpeg and BullMQ processing pipeline on AWS EC2 and S3, S3 signed URLs for playback, and role-based access control.
1,492-word study
Barfly Risk Engine: Flight Transfer Risk Checks on Node.js and the Duffel API
Barfly is a flight-transfer risk check: for a connecting itinerary, it assesses the risk that a delay breaks each layover. Sameem worked on it as an engineer at Zencloud.
1,591-word study · 1 checkable fact
TAL Workforce Platform: A Location-Aware Welfare App for Mobile Workers on Flutter, Node.js and AWS
TAL is a UK welfare app that helps mobile and deskless workers, such as delivery drivers, surveyors and property maintenance staff, find nearby venues where they can use a toilet, refill water, heat food and sit down. Sameem Amjad, DevoraX's founder, worked on TAL as an engineer at Webrange Solutions; his work included the Google Maps integration, with custom markers and clustering, and work on a React frontend using Radix UI and Zustand.
2,058-word study · 3 checkable facts
Digital Power of Attorney (e-fuldmagt): MitID Sign-In and PDF Generation on Node.js
e-fuldmagt is a Danish digital power-of-attorney service: people create a power of attorney online or in its app, send it to the person who will act for them, get it signed, and can revoke it later. Sameem worked on it as an engineer at Zencloud.
2,257-word study · 2 checkable facts
LoopedIn: Backend for a Short-Form Video and Local Events App on Node.js and AWS
LoopedIn is a social app for seeing what is happening nearby, combining short-form video (Loops and Flicks) with local event discovery, event hosting and messaging. Sameem worked on LoopedIn as an engineer at Zencloud, where he built the TypeScript and Node.js backend: a serverless AWS MediaConvert pipeline that transcodes uploads into HLS streams, and real-time messaging and notifications on Socket.io and Redis.
1,715-word study · 3 checkable facts
Dooz Inspected Cars: A Car Marketplace on Angular, React Native and a Shared NestJS Backend
Dooz is a car marketplace in Jordan where people buy and sell inspected cars and can arrange financing and insurance online. Dooz hired Sameem Amjad, DevoraX's founder, directly to work on its shared NestJS backend, which serves the Angular web app and the React Native apps for iOS and Android.
1,617-word study · 3 checkable facts
Pathana Platform: A College and Career Planning System on Next.js and Serverless APIs
Pathana is a web platform that helps schools guide high school students towards college and career, with personalised roadmaps, milestone tracking, and permission-based visibility for counsellors and families. Sameem Amjad, DevoraX's founder, worked on Pathana as an engineer at ivector.
1,728-word study · 3 checkable facts
Pastel Marketplace: iOS App for a Live-Shopping Antiques Marketplace on Sharetribe
Pastel is a US-based marketplace for antiques, vintage decor and collectibles, running on Sharetribe, where independent sellers list one-of-one pieces and host live shopping shows. Sameem has been a software engineer at Pastel since April 2026 and works on its iOS marketplace app, which first launched on the App Store in November 2025, before he joined.
1,521-word study · 3 checkable facts
Waitmate Platform: A Next.js and Firebase Hospitality Admin Dashboard on Vercel
Waitmate is a hospitality admin dashboard for restaurants and hotels, with sections for bookings, waiters, users and revenue. Sameem Amjad worked on it.
1,348-word study · 2 checkable facts
Augment Fit Platform: A React and TypeScript Admin Panel for a Fitness Platform
Augment Fit Platform is an admin panel for a fitness platform that connects trainers and users, covering session and performance tracking, user growth tracking, BMI classification and workout plan building. Sameem Amjad worked on it.
1,408-word study
Coffee Shop Web App: A Next.js and React Coffee-Shop Website Hosted on Vercel
Coffee Shop Web App is a café website build on Next.js and React, with an interactive menu, ordering, a photo gallery, an about section and a store-locations page. Sameem Amjad built it as an engineer at Fleact Tech.
1,940-word study · 3 checkable facts
Three28 Creator Platform: React Native and NestJS for Creator-Priced Video
Three28 is an app where creators upload videos, sell them directly to fans at prices they set, and sell merchandise alongside them. Three28 hired Sameem Amjad, DevoraX's founder, directly, and he worked on the app, which is built on React Native and NestJS with the backend hosted on AWS.
1,599-word study · 3 checkable facts
CEDMAT Roller Shutter App: A React Native and NestJS Documentation App for Installers
CEDMAT Roller Shutter App is a mobile app that gives installers of CEDMAT roller shutters one place to find installation guides, motor adjustment tutorials, technical sheets, certification documents and maintenance instructions. Sameem Amjad worked on it.
2,134-word study · 3 checkable facts
Koor Food Delivery: A React Native and NestJS Marketplace for Homemade Meals
Koor Homemade Food & Delivery is a marketplace app that connects customers with home chefs and bakers who sell meals from their own kitchens, with riders handling delivery. Sameem Amjad, DevoraX's founder, worked on Koor, a React Native app on a NestJS backend, with Firebase for real-time order updates, Elasticsearch for search and AWS (EC2, S3 and CloudFront) for hosting.
1,894-word study · 3 checkable facts
AgroBridge: A React Native and Firebase Marketplace with Real-Time Sync
AgroBridge is a mobile marketplace and management platform for agriculture, written in React Native on Firebase, with real-time data sync, file uploads to cloud storage and swipe-based interactions. The sections below cover why real-time sync is the hard part of a marketplace, why React Native fits a mobile-first product, what Firebase contributes, what file uploads need beyond the database, and what swipe gestures change.
1,784-word study
AI Art Stylization Platform: Segmentation-Controlled Stable Diffusion on FastAPI
The AI Art Stylization Platform is an image stylization system with a FastAPI backend that uses SAM to segment an image and Stable Diffusion to restyle a chosen region rather than the whole picture. The sections below explain why region control needs a segmentation model, how Stable Diffusion restyles part of an image, why interactive speed is hard for a diffusion model, and what FastAPI and accelerator memory mean for serving one.
1,974-word study
Bondly Pet Care Platform: Subscription and Credit Backend on Node.js and Firebase
Bondly is a pet-care marketplace in the Netherlands that connects pet owners with local carers for dog walking, day sitting and overnight care. Sameem worked on it as an engineer at Webrange Solutions, where he led the backend in 2024.
2,150-word study · 1 checkable fact
FinTech Mobile App: Cross-Platform Banking on React Native and Node.js
FinTech Mobile App is a cross-platform banking app written in React Native, with a Node.js backend that serves its APIs and handles transactions in real time. The sections below cover the engineering questions a banking app of this shape raises: retries on mobile networks, how balances are stored, what one transfer costs a backend, why a shared codebase matters when the code moves money, what Node.js is and is not good at, and where security decisions have to be made.
1,964-word study
Outstride / Ginger: React Storefront and Admin Panel for a Clothing Brand
Outstride / Ginger is a React storefront and admin panel for a clothing and accessories brand's online shop. Sameem worked on it as an engineer at Webrange Solutions.
1,778-word study
Predictive Analytics Dashboard: Real-Time Market Data on a MERN Stack
Predictive Analytics Dashboard is a real-time data visualisation platform on the MERN stack (MongoDB, Express, React and Node.js) that uses machine learning models to forecast market trends. The sections below cover why the MERN stack suits a dashboard workload, what real-time requires beyond a fast query, where model training and prediction belong in a JavaScript system, and how a dashboard should present a forecast to someone about to act on it.
1,696-word study
AI E-Commerce Ecosystem: A Multi-Vendor Marketplace on Next.js and Kubernetes
AI E-Commerce Ecosystem is a multi-vendor marketplace with a Next.js storefront, a containerised microservices backend on Docker and Kubernetes, vendor management and AI-driven product recommendations. The sections below explain why a marketplace with many sellers is split into services, what Next.js does on the shopper-facing side, what Docker and Kubernetes each contribute, and what a recommendation system needs from the architecture around it.
1,993-word study
Food Magnet: Food-Truck Location and Vendor Apps on Flutter, React and AWS Lambda
Food Magnet is a platform that keeps food trucks findable, broadcasting a truck's live location and menu to customers through a location-display device and a vendor mobile app. Sameem worked on Food Magnet, an existing product, as an engineer at Zencloud.
2,556-word study · 3 checkable facts
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