Full Stack Developer (Freelance / Contract)

Self-Employed, Indore, MP

Contract  ·  Jan 2024 - Present

Experience Details

  • Delivered 3 production applications end-to-end across healthcare and fintech domains — covering system design, REST API development, database schema design, third-party integrations, and cloud deployment on Railway, AWS Lightsail, and Vercel.
  • Designed and implemented multi-tenant SaaS architecture with centre-level data isolation enforced via JWT payload and a 3-layer guard chain (Auth - Isolation - Service), ensuring zero cross-tenant data leakage across all database queries.
  • Built and deployed backends using NestJS, PostgreSQL, and TypeORM; integrated third-party services including Razorpay (payments + webhooks), WhatsApp Business API (bulk messaging), and Cloudinary (media management).
  • Translated client business requirements into technical specifications; managed iterative delivery with regular stakeholder reviews across all 3 engagements.

Technical Skills Canvas

1 / 2