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Praneeth Gunasekaran
Senior Mobile Software Engineer specializing in secure React Native and Bitcoin wallets
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About
Built and evolved the backend-adjacent platform for a self-custody Bitcoin wallet used by 2000+ users, emphasizing security-first architecture that avoids custodial risk by keeping private key operations client-side. Demonstrates strong API reliability and security depth (FastAPI contract-first design, idempotency, state-machine modeling, JWT/device-aware auth) and has reduced production failures by hardening signing flows against poor connectivity.
Experience
Education
Key Strengths
- Designed security-first backend-adjacent architecture for a self-custody Bitcoin wallet (2000+ users)
- Strong client/server boundary design to avoid custodial risk (private key ops kept client-side)
- API design for reliability and frontend enablement (contract-first, Pydantic/OpenAPI, versioning, predictable errors)
- Reliability engineering: idempotent writes, strict timeouts, caching, background jobs, health checks, graceful shutdown, load testing
- Defense-in-depth security implementation (JWT short-lived tokens, device-aware auth, RBAC/scopes, certificate pinning, rate limiting)
- Identified and mitigated hard-to-reproduce failure modes via explicit state machines and retry-safe/idempotent signing flows
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