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Niranjaan Munuswamy - Software Engineer II in Chicago, IL

Niranjaan Munuswamy

Mid-level Full-Stack Software Engineer specializing in cloud and data engineering

CignaIllinois Institute of TechnologyChicago, IL4 Years ExperienceMid LevelWorks On-Site

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About

Backend engineer with experience at Cigna evolving REST API services backed by PostgreSQL, emphasizing reliability/correctness, scalability, and observability. Has hands-on production experience with FastAPI (contract-first design, Pydantic schemas), performance tuning (indexes, caching), and secure auth patterns (OAuth/JWT, RBAC, row-level security via Supabase), plus low-risk incremental rollouts using feature flags and dual writes.

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Key Strengths

  • Evolved backend systems with clear architectural goals (reliability, performance, scalability, maintainability, observability)
  • Strong tradeoff-driven design (e.g., strong vs eventual consistency based on operation type)
  • FastAPI API design focused on predictable frontend integration (standardized responses, schemas, pagination)
  • Performance optimization under load (indexing, query tuning, caching for hot reads)
  • Secure API implementation (OAuth/JWT, RBAC, input validation, parameterized DB access)
  • Safe incremental refactors/migrations (feature flags, backward-compatible migrations, validated backfills, dual-write/compare, gradual rollout)
  • Improved robustness by preventing duplicate writes from retries (idempotency keys + unique constraints + transactions)

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Experience

Software Engineer IICigna · Jun 2024 – Present
Web DeveloperWipro · Aug 2021 – Jul 2023

Education

Illinois Institute of Technologymaster, Computer Science

Languages

English

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Typically responds within 24 hours

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Niranjaan MunuswamyMid-level Full-Stack Software Engineer specializing in cloud and data engineering