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keerthana s
Mid-level Backend Software Engineer specializing in Python/FastAPI on AWS
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About
Backend engineer with healthcare domain experience building AI-driven radiology workflow systems. Evolved tightly coupled APIs into secure, reliable FastAPI-based services by moving heavy imaging/data processing into idempotent asynchronous pipelines with retries, feature-flagged incremental rollout, and strong data-integrity controls (constraints, backfills, validation). Strong focus on defense-in-depth security for sensitive patient data (OAuth2/JWT, RBAC, and database-level protections).
Experience
Education
Key Strengths
- Decoupling synchronous APIs from heavy processing via asynchronous pipelines
- Incremental migration/refactor with feature flags to avoid disrupting live workflows
- Designing idempotent background jobs with retries and clear failure states
- Improving reliability by isolating failures to background jobs (reduced timeouts/partial failures)
- Defense-in-depth security implementation (OAuth2/JWT, RBAC, least privilege, data-level safeguards)
- Identifying subtle retry/partial-success failure modes and preventing duplicate/inconsistent records with constraints and idempotency
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