MERN Stack Developer & React Native Engineer•Apr 2023 – Feb 2025
HookFish Mobile & Cloud Suite
Real Estate Broker Mobile App & High-Throughput MERN Backend
Full-stack real estate ecosystem featuring a React Native mobile broker application with geolocation map discovery, administrative management dashboard, and automated image pipelines.
API Response Speed
2.1s → 1.0s
52% Latency Reduction
Throughput
1,200 req/sec
Serving 10k+ MAU
Image Cache Speed
6s → 100ms
98% Redis Speedup
The Technical Problem
Challenge & Bottlenecks
Legacy PHP system suffered from slow API response times (2.1s), manual property flyer generation (6s), and security vulnerabilities due to lack of granular access control.
The Engineering Solution
Architecture & Design
Refactored backend architecture to Node.js/Express, implemented Redis caching, migrated admin to React, built React Native seller app, and secured platform with 8-tier RBAC.
Project Tech Stack(7 Technologies)
react
nodejs
expressjs
mongodb
redis
cypress
JavaScript
Key Engineering Accomplishments
Architected 12+ RESTful Node.js/Express APIs with MongoDB connection pooling serving 10k+ monthly active users at 99.7% SLA.
Optimized Puppeteer property flyer generation from 6s to 100ms using Redis caching & queue management (1,000+ images/hr).
Designed 8-tier granular RBAC security model, eliminating 100% of unauthorized access incidents and reducing support tickets by 55%.
Integrated dynamic React Native map view centered on user geolocation with real-time property boundary overlays.
Enforced end-to-end reliability by executing automated Cypress test suites across critical user transaction funnels.