Darren Zhu

About

I've always liked understanding how complex systems work. As a kid I built remote control planes. Today it's software that moves real money, real devices, and real patient data.

Most of my career has been in FinTech. At Enfusion, acquired by Clearwater Analytics, I went from junior engineer to Vice President in 3.5 years, working on portfolio management, portfolio construction, and general ledger accounting for institutional clients. Since then I've extended into smart home IoT at Intecular and telemedicine at meds.com.

My work sits at the intersection of low-latency, distributed, and event-driven systems: Java and the JVM on the backend, React and Angular on the front, GCP and AWS underneath. The constraints I like are the unglamorous ones. Auditability, regulatory requirements, sub-second response times, and staying correct under load.

I also mentor engineers, improve development process, and care about systems that stay maintainable as they grow.

I think good systems are a lot like good tiramisu. The individual layers matter, but what really matters is how everything comes together.

Experience

meds.com

Chicago, IL · Hybrid

Consumer WebHealthcareTelemedicineAngularJSTypeScript

Senior Software Engineer · Jun 2026 – Present

• Built a GCP error-logging framework for the BlueChew product, improving platform observability.

Intecular

Chicago, IL · Remote · 1 yr 3 mos

B2BIoTSmart HomeReactClaude Code

Software Engineer · Apr 2026 – May 2026

• Built Intecular's first B2B telemetry dashboard (smart-outlet data for hotels & short-term rentals), shipped in weeks with AI-assisted workflows.

Advisor · Mar 2025 – May 2026

• Advised on business development, software design, and GenAI integration.

Enfusion (a Clearwater Analytics company)

Chicago, IL · Hybrid · 3 yrs 5 mos

Enterprise SaaSFinTechPortfolio ManagementJavaJVMSpring Boot

Vice President, Senior Software Engineer · Mar 2025 – Nov 2025

• Architected Fixed Income Rebalancing for Portfolio Workbench — a potential industry-first, expanding the addressable market ~40%.
• Cut Portfolio Workbench load time 50% (8→4 min), doubling capacity to 90 funds.
• Refactored calculation modules to a testable architecture: test coverage 0→80%, defects −40%.

Enfusion Introduces the Next Phase of Portfolio Workbench, Empowering Asset Managers with Increased Efficiency and Flexibilitycwan.com

Associate Vice President, Senior Software Engineer · Mar 2024 – Feb 2025

• Architected Equity Rebalancing for Portfolio Workbench (10+ institutional clients).

Senior Associate, Java Developer · Mar 2023 – Feb 2024

• Owned the Non-Drifting Rebalancer end-to-end as sole engineer (99.5% uptime); built an integration-test framework for 40+ PMS REST APIs (30→80%+ coverage).

Associate, Junior Software Engineer · Jul 2022 – Feb 2023

What I Work On

Skills

Education

Rose-Hulman Institute of Technology · Terre Haute, IN

Bachelor of Science, Computer Science · Aug 2018 – May 2022 · GPA 3.93 / 4.00