Balmukund Jha's Work | Contra
Work by Balmukund Jha
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Balmukund Jha
Full-Stack Developer | Node.js, TypeScript, PostgreSQL
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Noida, India
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Noida, India
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SpotBid — A live attention marketplace where brands bid in real time to claim visual ad placements on a public billboard. Built a dynamic bidding system with fixed base prices by spot size (small, medium, large), a +70% takeover rule for outbidding occupied spots, instant outbid email alerts, and a transparent, verified leaderboard for tracking all bids. Includes automatic logo/link fetching when a brand claims a spot, and payment verification through Polar.
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CuraNet — A healthcare records and consent management platform securing every step from daily care to emergency access. Built a 36-table PostgreSQL schema and 25+ REST endpoints via Prisma, with consent-based access control letting patients grant, revoke, and time-limit provider access — plus full audit logging on every record event. Includes a Universal Health ID system for portable medical records across providers. Documented with OpenAPI/Swagger, tested with Jest/Supertest.
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Production SaaS platform for PG/hostel rent collection - tenant onboarding, WhatsApp billing, and real-time payment tracking. Built solo: 23-table Postgres schema, 60+ REST APIs, automated billing engine. Live with 10 active owners, 99.9% uptime.
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AI Platform Feature Development for Second Brain
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