Hamza Manzoor

Project

Voxbee.ai

Challenge: High-volume media upload latency and audio-video localization sync. Solution: Built secure NestJS direct-to-S3 presigned URLs, BullMQ workers, and dynamic time-warping speech alignments. Outcome: Reduced localization cycles by 85%.

NestJS, React, Python, AWS (EC2, S3), Docker, PostgreSQL

Project

Romingo

Challenge: Slow progress tracking and unoptimized localized content pipelines. Solution: Designed a modular content localization schema and optimized user progression tracking. Outcome: Reduced page loads by 40%.

React, Next.js, Node.js, MongoDB, AWS

Project

SalonX & TheQube

Challenge: Concurrency database locks and security isolation across tenant spaces. Solution: Implemented white-label SaaS architectures using PostgreSQL Row-Level Security (RLS) and advisory locks. Outcome: Achieved 99.99% uptime with zero slot scheduling conflicts.

React, NestJS, PostgreSQL, Stripe, Node.js

Project

Xeurix

Challenge: High CPU usage on semantic queries across 100k+ candidate records. Solution: Optimized PostgreSQL indexes, scaled background workers, and implemented windowed rendering. Outcome: Reduced query latency by 70%.

React.js, Node.js, PostgreSQL, TypeScript

Project

WhatsHush

Challenge: Screen-peeping / shoulder-surfing in public spaces. Solution: Engineered a canvas privacy blur Chrome extension overlay. Outcome: Secured active screen visual states with 100% blur protection.

JavaScript, HTML, CSS, Chrome Extension API

Project

Logaura

Challenge: Logging engine overhead & poor CLI display tags. Solution: Built custom color filters & high-frequency file writers. Outcome: Enhanced log processing efficiency with zero runtime lag.

Node.js, TypeScript, NPM package