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Atul Rathore

@atulrathore

Lead Java Developer at MSCI who cut critical API response times by ~90% and built an LLM-assisted debugger.

At MSCI Services Pvt. Ltd., I redesigned critical SOAP request flows, cutting response times from 1–45 minutes to 10 seconds. I also re-engineered inter-process locking and validation to reduce locking time from over four hours to three minutes and prevent inconsistent data states.

At MSCI, I built an internal IntelliJ MCP debugger connected to LLMs, reducing multithreaded incident triage time by ~50%. Earlier, at iFAST Financial India Pvt. Ltd., I re-architected transaction processing and redesigned the AUM and fee-calculation engine, while leading and mentoring an engineering team.

Experience

Work history, roles, and key accomplishments

Senior Associate — Analytics & Index Engineering

MSCI Services Pvt. Ltd.

Apr 2021 - Sep 2026 (5 years 5 months)

Redesigned critical SOAP request flows, reducing response times by ~90%. Led code reviews, UAT/regression RCA, and implemented AI tooling to cut incident RCA time by ~50%.

Senior Software Developer

Morgan Stanley

Dec 2019 - Mar 2021 (1 year 3 months)

Enhanced large-scale data pipelines using Spring Batch and migrated legacy stored-procedure workflows to Java REST APIs. Re-engineered legacy Perl batch jobs and improved bond-matching workflows for sales trading desks.

Java SpringBatch REST APIs SQL Perl Trading Systems Data Pipelines Legacy Modernization

Assistant IT Manager / Technical Lead

iFAST Financial India Pvt. Ltd.

Oct 2012 - Dec 2019 (7 years 2 months)

Scaled and mentored engineering team from 4 to 22+ developers. Redesigned transaction processing and AUM/fee-calculation engine, reducing runtime and enabling regulatory compliance.