Case Studies

Work That Runs
Real Businesses

Every project below is a production system with real users — not a concept, not a demo. Read how each one was scoped, built and shipped.

progsity.io/judge/solve
function solve(input) {
const n = parseInt(input);
let result = [];
for (let i = 2;i <= n; i++) {
if (isPrime(i))
result.push(i);
}
return result;
}
Accepted·Runtime 42ms·Memory 8.1MB
Live Product
EdTech · SaaSIterative — live and growing

Progsity

A full-stack coding-education SaaS we built — and still operate

A complete coding-education platform: course selling, secure exams, a multi-language coding playground and a competitive-programming judge — serving web and mobile learners from a single codebase.

6+
Core modules
2
Platforms (web + mobile)
100%
Custom built
$0
Recurring platform fees
Read the case study
board.example.gov.bd/dashboard/results
12,480
Students
36
Exams
91%
Pass rate
Result batchStatus
2026-0139 Institution #11Published
2026-0140 Institution #12Published
2026-0141 Institution #13Published
2026-0142 Institution #14Published
2026-0143 Institution #15Published
2026-0144 Institution #16Processing
2026-0145 Institution #17Queued
Live Product
GovTech · Education5 weeks — wireframe to production

Madrasa Education Board System

A board-level education platform, wireframe to production in five weeks

A large-scale management system for an education board — student enrollment, examinations, result processing and certificates across dozens of member institutions, replacing an entirely manual process.

5 wks
Wireframe to production
Dozens
Member institutions
100%
Manual collation replaced
Read the case study
erp.rbfurniture.local/inventory
1,842
In stock
37
In production
12
Low stock
$18.4k
This month
Monthly output
Live Product
ERP · ManufacturingPhased delivery, 8 modules

RB Furniture ERP

An eight-module ERP for manufacturing and retail, built to fit

A complete ERP for a furniture manufacturer and its retail arm — procurement, production, inventory across warehouse and showroom, CRM, invoicing and financial reporting in one integrated system.

8
Integrated modules
1
Sources of truth
$0
Licensing fees
Read the case study
marketplace.example.com
Search 40,000+ products…
Cart · 3
$24
$89
$45
$132
128 vendors onlineOrders syncing
In Development
E-Commerce · SaaSIn active development

Multivendor Marketplace Platform

A Daraz-class marketplace engine — storefronts, apps and logistics

A full-scale multivendor e-commerce platform: independent vendor storefronts, buyer and seller mobile apps, order and logistics management, commission handling and local payment rails.

2
Apps (buyer + seller)
3+
Payment rails
Unlimited
Vendor storefronts
Read the case study
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