Work · Six case studies
Receipts.
Selected case studies from 8 years of building marketplaces, search systems, and APIs at scale. Each links to a full write-up — problem, solution, architecture, and the metrics that moved.
All case studies
Techjockey: US & UAE Marketplace Launch
End-to-end architecture for two international SaaS marketplaces — locale-aware pricing, region-specific payment rails, AWS-native deployment, and a CI/CD pipeline that promotes builds across regions safely.
- Node.js
- TypeScript
- AWS
- MySQL
- Redis
Search Infrastructure: From SQL LIKE to Elasticsearch at 100× Speed
Replaced multi-second SQL search with a typo-tolerant, autosuggest-powered Elasticsearch layer across thousands of SaaS products.
- Elasticsearch
- Node.js
- RabbitMQ
Cutting API Latency 75%: 800ms → <200ms
A diagnostic walkthrough — query-level fixes, cache redesign, and async offload that took core APIs from 800ms to under 200ms.
- Node.js
- Redis
- RabbitMQ
Checkout Redesign: 10 Steps → 3, +80% Transaction Volume
Rebuilt the checkout as a 3-step flow with progressive disclosure, deferred validation, and async-loaded payment options.
- Node.js
- MySQL
- Redis
- Payments
SEO Champ — A Chrome Extension at 4.8★
A one-click SEO audit tool with structured data validation, broken-link checks, page speed analysis, and SERP insights. Live and publicly verifiable.
- JavaScript
- HTML
- CSS
- Chrome APIs
GraceMind — AI Journaling App
LLM-powered journaling and mindfulness app with guided prompts and a reflective AI assistant. Hands-on production LLM integration.
- Flutter
- Firebase
- REST APIs
- LLM