# Duwayne Sy

> Principal Software Engineer at Parametric

Location: San Francisco, California, United States
Profile: https://flows.cv/duwayne

With over 15 years of experience in financial services, I specialize in creating scalable solutions that empower clients and optimize operations. During my 14 years at BlackRock, I focused on scaling portfolio management tools, enabling portfolio managers to handle more accounts and portfolios effectively, while maintaining precision and efficiency. Most recently, at Parametric/Morgan Stanley, I contributed to improving client instruction workflow orchestration, streamlining processes to enhance client outcomes.

Driven by a passion for solving inefficiencies and delivering client-centric solutions, I thrive at the intersection of technology and finance. My goal is to continue building products that bring measurable value to clients and enable businesses to operate at their full potential.

## Work Experience
### Principal Engineer @ Parametric
Jan 2022 – Present | San Francisco, California, United States

### Vice President @ BlackRock
Jan 2017 – Jan 2022
Portfolio Management Tools

### Associate @ BlackRock
Jan 2011 – Jan 2016
Index Portfolio Management Software Developer

### Analyst @ BlackRock
Jan 2009 – Jan 2011

### Software Engineer Inv Sys @ BlackRock
Jan 2008 – Jan 2009

### Web Developer @ DHC Usa
Jan 2007 – Jan 2008
Develop eCommerce solution using Microsoft Commerce Server 2008, ASP.NET, C# and SQL Server 2008. Developed on all tiers of the application. Worked closely with IT to enable clustering and fail over.

### Software Developer @ Intermedia.Net
Jan 2005 – Jan 2007
Development of HostPilot web application that allows customer to manage exchange accounts/mailboxes and IIS virtual hosts through web interface. This is done using JScript/VBScript, WMI & ADSI.

### Software Engineer @ Equilar
Jan 2004 – Jan 2005
Developed prototype of SEC document tagging and parsing tool

### Consulting Software Engineer @ Astreya Partners
Jan 2003 – Jan 2004
Developed order entry and inventory management system using Microsoft .Net tools.


## Education
### BS in Computer Science
San Francisco State University


## Contact & Social
- LinkedIn: https://linkedin.com/in/duwayne-sy-38371a2
- Portfolio: http://www.blackrock.com

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Source: https://flows.cv/duwayne
JSON Resume: https://flows.cv/duwayne/resume.json
Last updated: 2026-04-12