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Sai Aditya Paruchuri
Mid-level Software Engineer specializing in cloud-native microservices and AI-powered web applications
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About
Backend engineer who built and owned an AI-powered SMS survey platform for a nonprofit serving at-risk communities (internet-limited users), using Cloudflare Workers + Twilio and a state-machine survey engine. Scaled it to ~10k active users with near-zero downtime, added English/Spanish support, and iteratively improved LLM behavior (Claude 3.7 Sonnet) to handle nuanced, real-world SMS responses reliably.
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Key Strengths
- End-to-end ownership: built production SMS AI survey bot in ~1 month
- Designed scalable serverless architecture (Cloudflare Workers + KV/D1 + Twilio) with low ops overhead
- Production impact: ~10k active users, near-zero downtime, higher completion rates than web forms
- Strong API engineering practices (contracts with Pydantic, versioning, idempotency, observability, rate limiting)
- Handled unpredictable traffic spikes via stateless services, DB indexing, queues, and async processing
- Iterative LLM system improvement: moved from literal matching to intent + reasoning for robust classification/mapping
- Proactive reliability engineering: addressed delayed/duplicate SMS and carrier retries to prevent data corruption
- Safe refactors/migrations using feature flags, parallel runs, incremental rollout, and backward-compatible schemas
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