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ASArulprakash Subramanian

Resume

Arulprakash Subramanian

Staff / Principal Engineer · Technical Lead · Full Stack .NET + React · Life Sciences & Pharma · AI-assisted SDLC

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Professional summary

Staff / Principal / Technical Lead candidate with 12+ years in Life Sciences and Pharma at Cognizant — mostly at senior and lead level, with 2.5 years onsite in Toronto as the sole Cognizant engineer for US and Canadian pharma clients. Strong across ASP.NET Core, .NET 6/7/8, React + TypeScript, AG Grid, Oracle/SQL Server, AWS, Docker/Kubernetes. Recent impact: −40% security vulnerabilities, −30% release cycle, −25% data-fetch latency, −35% manual audit work. Daily user of Claude Code and GitHub Copilot.

Experience

  1. Senior Software Engineer (Technical Lead)

    Cognizant Technology Solutions · Chennai, India · Jul 2025 — Present

    • Technical lead across 3 concurrent Life Sciences programmes (~500 pharma users); own architecture, standards, and GxP-aligned delivery.
    • Designed microservices on ASP.NET Core + React/TypeScript + AG Grid + Oracle; authored API contracts and security standards.
    • −40% security vulnerabilities via JWT auth, hardened inter-service comms, and platform-wide RBAC.
    • SignalR notifications cut manual ops follow-up ~60%; AWS Docker deploys zero-downtime, 99.9% uptime.
    • Rolled out Claude Code + GitHub Copilot as team-wide standards.

  2. Senior Software Engineer (Onsite Technical Lead)

    Cognizant Technology Solutions — International Assignment · Toronto, Ontario, Canada · Feb 2023 — Jul 2025

    • Only Cognizant engineer onsite in Canada for 2.5 years — sole technical point of contact for US/Canada pharma clients.
    • Owned ASP.NET Core + React platform with SQL Server + AWS S3, ~1,000 regulated pharma users.
    • Managed 6-engineer offshore team from Toronto; introduced code review process, coding standards, and weekly design sessions.
    • −30% release cycle time after CI/CD rework and proper sprint-based delivery; +20% delivery velocity.
    • Ran 4 concurrent OutSystems streams (C#, REST APIs, Oracle).

  3. Senior Software Engineer

    Cognizant Technology Solutions · Chennai, India · Jan 2022 — Feb 2023

    • Life Sciences forecasting and reporting tools on ASP.NET Core + Angular/React + AWS S3 for ~300 clinical and commercial users.
    • Designed integration layer connecting 3+ upstream source systems.
    • Reusable service/component patterns cut dev time ~15%; xUnit + Jest coverage cut post-release defects ~20%.

  4. Associate

    Cognizant Technology Solutions · Chennai, India · Apr 2019 — Dec 2021

    • Full stack pharma programmes on ASP.NET Core + Angular/React + Oracle/SQL Server.
    • Built ASP.NET Identity + JWT auth flows and reusable UI components used across 3 projects.
    • AWS Certified Developer — Associate (2021).

  5. Programmer Analyst

    Cognizant Technology Solutions · Chennai, India · Jul 2016 — Mar 2019

    • ASP.NET MVC + Web API + Angular front ends; Oracle and SQL Server back ends.
    • Heavy PL/SQL — stored procedures, triggers, schema objects — across the full SDLC.

  6. Programmer Analyst

    Source HOV India Pvt Ltd · Chennai, India · Jan 2014 — Jun 2016

    • First role out of college; built document management apps on ASP.NET Web Forms + SQL Server.
    • Stored procedure development and production support — foundation in .NET and SQL.

Key projects

Education

  • Master of Computer Applications (MCA)

    SRM University, Tamil Nadu, India · 2013

  • Bachelor of Science — Computer Science

    Periyar University, Tamil Nadu, India · 2010

Certifications

  • · AWS Certified Developer — Associate (2021) — Renewal in progress; working toward Solutions Architect Associate
  • · FSE Engineer Certification — Cognizant Technology Solutions