> Markdown version of [/jobs/ext/3735578-quantitative-developer](https://www.wearedevelopers.com/jobs/ext/3735578-quantitative-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Quantitative Developer - **Company:** MSCI Inc. - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $133,000.0 - $173,000.0 - **Contract:** Permanent contract - **Skills:** Python (Programming Language), Kotlin - **Published:** October 14, 2026 - **Apply:** https://www.manhattanjobs.com/job.asp?id=3445767660&tx=VT6257TTZ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 5+ years building performance measurement systems in asset management, fund administration, or a GIPS-adjacent environment. * Strong numerical methods background, including comfort reasoning about floating-point tolerance and where it matters versus where it doesn't. * Production experience in a modern, type-safe language (Go, Kotlin, Scala, or similar) or Python for financial calculation engines. * Ability to explain, precisely, the difference between TWR and IRR and when each one lies to you. * Direct GIPS compliance or verification experience. * Private markets performance experience specifically (as opposed to public markets only). ## Description MSCI does not accept unsolicited CVs/Resumes. Please do not forward CVs/Resumes to any MSCI employee, location, or website. MSCI is not responsible for any fees related to unsolicited CVs/Resumes.