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Developed a production-style music streaming backend with support for HTTP Range Requests, enabling audio seek and resume functionality similar to modern streaming platforms. Implemented authentication, media management, analytics tracking, role-based access control, and optimized streaming pipelines for efficient media delivery.
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For OriginSustain, I built NestJS/TypeScript backend services, PostgreSQL and Redis/BullMQ processing, and AWS/Docker delivery with CI/CD. OpenAI API and RAG support part of the reporting flow. The screens here are from the product’s illustrative command center; the numbers are demo values, not client outcomes.
The full backend case study: https://contra.com/p/WvNXbmQR-origin-sustain-or-multi-tenant-esg-reporting-backend
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I designed and developed a colorful, responsive and user-focused experience with course discovery, institute information, faculty sections, student enquiries, admission flows, WhatsApp integration, and connected backend functionality.
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I shared the real product screens and backend context in the case study: https://contra.com/p/3qRLLQ6c-grid-iron-gc-or-ai-assisted-player-conversion-backend
