Professional Experience

Cognizant Technology Solutions 2006 — 2025
Enterprise Architect
  • Led large-scale modernisation of legacy enterprise platforms into AWS-native architectures
  • Migrated monolithic systems to Java Spring Boot microservices and Next.js micro-frontends
  • Designed and rolled out enterprise-grade authentication and authorisation using:
    • AWS Cognito (User Pools, Federated OIDC)
    • Amazon Verified Permissions
  • Directed data migrations from Oracle → DocumentDB and Redshift
  • Architected and supervised Kubernetes-based DevOps and observability platforms
  • Oversaw production rollouts across 70+ warehouses / sites
  • Worked closely with product owners, designers, and operations teams to ensure stable, phased delivery
Associate Director
  • Architected modernisation of a legacy FoxPro WMS into:
    • React frontend
    • NestJS backend with MS SQL
  • Built internal TypeScript DSLs and code generators to:
    • Lift-and-shift FoxPro logic
    • Auto-generate typed DB models & stored-procedure bindings
  • Introduced domain-driven design enabling continuous refactoring
  • Designed multi-tenant NestJS framework extensions
  • Supervised Kubernetes-based DevOps, observability (Datadog), and rollout to 70+ warehouses
Senior Architect
  • Designed hybrid web platform consolidating 40+ legacy applications
  • Built GraphQL middleware with fully type-safe TypeScript resolvers
  • Implemented Kubernetes-based CI/CD with deep observability (GCP Stackdriver, BigQuery)
  • Worked on low-level secure socket programming & encrypted protocols
  • Advanced React/Relay runtime optimisations for performance and telemetry
Architect / Technology Lead / Consultant
  • Knowledge graph systems using RDF, OWL, Datalog, mini-Kanren
  • Large-scale data analysis using Scala + Spark
  • Internal developer productivity platforms (CI/CD, registries, Kubernetes)
  • Research collaboration:

Open Source & Writing

Unison language libraries and tools
https://share.unison-lang.org/@kaychaks
Rust Crates
autopack: auto-create Docker containers for a React frontend app without Dockerfile
kiteticker-async: an async client for the Kite Connect WebSocket API
Contributions
HNix: Haskell re-implementation of Nix
ScalaZ: Scala library for functional programming
Technical Writing
https://notes.kaushikc.org
https://history.kaushikc.org

Education

2006 Kalinga Institute of Technology & Science Bhubaneswar, India B.Tech — Computer Science