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LSL
LifeSpark Labs
AI-Powered Job Intelligence Platform
EngineeringCo-Founder / CTO
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