Favour Olaleru.

Fullstack Engineer, Contract

• Designed and implemented a secure, multi-platform OAuth authentication using direct ID token verification and custom rate limiting in Express.js, enabling seamless access for over 9,000 active users.
• Integrated robust payment processing using Paystack, enabling secure in-app payments and revenue generation across the platform.
• Engineered a timezone-aware gamification engine with MongoDB to dynamically compute user streaks and reward points based on engagement, significantly improving daily active usage.
• Engineered a robust cron scheduling system using Node.js and GitHub Actions to reliably automate daily AI content generation using Claude via OpenRouter.
• Maintained detailed API documentation via Postman and Markdown, utilizing custom Node.js testing scripts to rapidly validate AI integrations and gamification logic.

Fullstack Engineer, Contract

• Engineered a real-time chat and gamification engine handling 1,000+ concurrent users with <50ms latency using Socket.io, Express, and Redis.
• Architected an automated RSVP pipeline, eliminating 6+ hours of manual effort per event via background queues in Redis and MongoDB.
• Enhanced a custom photo watermarking feature processing 10+ high-res images in <2s, utilizing Cloudinary and MinIO for asset storage.
• Orchestrated backend containerization, slashing developer setup time by 40% through isolated Docker environments and Husky pre-commit hooks.
• Spearheaded the transition to an investor-ready platform, reducing event configuration time by 60% by integrating OpenAI APIs.

Fullstack Engineer, Contract

• Built a RESTful API with Node.js and Express.js powering a festive messaging platform, enabling users to create, share, and track personalized greeting messages with unique shareable URLs.
• Integrated Stripe Checkout for a virtual MerryCoin economy, handling checkout session creation, webhook signature verification, and atomic coin balance updates on payment confirmation.
• Engineered a full gamification engine with XP leveling (sqrt-based formula), achievement tracking with embedded MongoDB subdocuments, streak counters, and a leaderboard API sortable by XP, level, or coins.
• Integrated Google Gemini AI for two template features: an AI Roast Generator and prompt-based message generation, with per-user rate limiting at 10 requests/min via express-rate-limit.

Frontend Engineer

• Constructed responsive B2B Web3 financial dashboards using Next.js and TypeScript, accelerating pre-beta client demonstrations by 40% through production-ready interface delivery.
• Designed high-conversion landing page sections showcasing smart infrastructure, achieving a 95+ Lighthouse performance score via optimized SSR in Next.js.
• Developed fluid UI transitions for complex financial data visualizations by integrating Framer Motion, improving prototype engagement metrics by 25%.
• Pioneered a scalable component library with TailwindCSS and RadixUI during the initial build phase, reducing ongoing front-end development time by 35%.