Joshua Okoro

Technical lead for an all-in-one vertical SaaS hotel management platform, scaling infrastructure to support an active pilot property and a waitlist of over 200 hotels.

Architecture: Leveraged AWS Lambda, SST, and PostgreSQL to build a serverless architecture with automatic scaling, implementing event sourcing for resilient booking trails and overbooking protection.

Real-time ride-sharing backend engineered to support over 50,000 concurrent users across multiple distributed municipal nodes.

Architecture: Developed a low-latency geospatial indexing system using MongoDB and Redis, routing driver location updates via a high-throughput Kafka event streaming pipeline.

Full-stack productivity workspace built with a team, combining task boards, weekly scheduling, and focus tools to help users stay organized and minimize distractions.

Architecture: Built a FastAPI + SQLModel backend with JWT-authenticated REST APIs over PostgreSQL, paired with a NiceGUI frontend and a Chrome/Edge MV3 extension for schedule-based distraction blocking. An AI recommendation engine analyzes task priority, deadlines, and schedule data to suggest what the user should work on next.

AI-powered study assistant that recommends what to study based on a student's mood, energy level, and available time, cutting through decision fatigue around rigid schedules.

Architecture: Built on Next.js 16 and Supabase (Postgres, auth, real-time) with Row Level Security and JWT auth, using the Google Gemini API to generate context-aware study recommendations from mood, deadlines, and study history.