LSL

LifeSpark Labs

AI-Powered Job Intelligence Platform

EngineeringCo-Founder / CTO

Project Showcase

Full app preview

Landing page

Admin dashboard

Career simulation

Scaled from prototype to MVP in 2 weeks, driving 700+ early user visits and growing active users by 150%. Grew to 357 MAUs with an 18% increase in session duration and 25% DAU completion rate. Built end-to-end as sole technical lead — architecting infrastructure, backend services, LLM-native features, and frontend across MongoDB, Node.js, AWS, and Vercel.

Key Highlights

→700+ early user visits and 150% active user growth within weeks of launch
→357 monthly active users with 18% increase in average session duration
→25% DAU completion rate on core learning features; 3.5% bounce rate reduction through onboarding optimization
→Patent-pending R&D for AI-driven behavioral intelligence and simulation technology
→Shipped concept to production in 2 weeks as sole technical lead — no PM, designer, or architect

Technologies

Next.jsTypeScriptTailwind CSSNode.jsExpressReduxPrismaMongoDBAuth0StripeFigmaDockerCI/CDGitHub ActionsAWS