Chirayu Jain

Full-stack Developer @Riga Cyber

San Francisco, CA, US

Developed a gamified cybersecurity Q&A web app for internal training with three difficulty levels (beginner, intermediate, experienced), timed quizzes, explanations, and real-time scoring using React/Next.js and Node.js.Created a scalable backend on Supabase (Postgres, Auth, Row Level Security) to manage questions, categories, and user progress; provided RPC/REST endpoints and wrote seed/migration scripts.Built lightweight admin tools to manage the question bank and designed a workflow to incorporate LLM-assisted question generation with human review for quality and accuracy.Modularized the UI into reusable components, added robust state management and error boundaries, and enhanced perceived performance through code-splitting and lazy loading.Collaborated with security leads to ensure content aligns with common control frameworks and secure engineering practices; documented setup, deployment, and maintenance procedures.