Senior Software Engineer
& Tech Lead

I build thoughtful, scalable web experiences and help teams do their best work.

View selected workLet’s talk
11 years building for the web

Currently building at Rakuten Advertising.

Portrait of Chermaine Zimmerman

Selected Work

A selection of projects that show my range, from data-heavy dashboards to consumer experiences to community platforms.

Screenshot of Migration Health Command Center
01

Migration Health Command Center

An early-warning dashboard that protects revenue during a platform migration. It compares same-weekday baselines, diagnoses root causes across seven signals, and ranks at-risk accounts in dollars.

  • React
  • Recharts
  • Data Visualization
View case study
Screenshot of Shop The Theme
02

Shop The Theme

A party-kit builder that turns a theme and budget into a curated, one-click Amazon shopping list for busy parents.

  • Next.js
  • React
  • Tailwind CSS
View project
Screenshot of Porch Light
03In development

Porch Light

A community sponsorship marketplace connecting local organizations and businesses so kids, teams, and hometown programs can thrive.

  • Next.js
  • Postgres
  • MapLibre

Want to see more? View all projects on GitHub

About

I’m a senior software engineer with 11 years of experience building scalable web applications in the creator economy, affiliate marketing, and social commerce. I’ve owned web experiences end to end, from creator onboarding to growth and monetization. I work mainly in Angular and React, care deeply about performance and architecture, and partner closely with design on everything I ship.

Rakuten Advertising

  • Senior Software Engineer — 2026 — Present
  • Own and deliver scalable web features end-to-end for a global affiliate and performance marketing platform.
  • Drive frontend architecture while collaborating across product, design, and backend teams.
  • Built and maintain a Chrome extension used within the affiliate ecosystem, and contribute to Java services.

Collective Voice

  • Lead Front End Developer — 2023 — 2026
  • Senior Frontend Developer — 2019 — 2023
  • Frontend Developer — 2017 — 2019
  • Led development of creator-facing applications powering onboarding, monetization, and growth.
  • Led the AngularJS-to-Angular migration, cutting load times by ~20-30% and improving maintainability.
  • Built and scaled the design system and Storybook component library adopted across the organization.
  • Owned architecture for affiliate linking, campaigns, and analytics while mentoring engineers.

POPSUGAR

  • Software Engineer — 2015 — 2017
  • Developed features for a large-scale content and commerce platform.
  • Improved performance and engagement across key user surfaces.

Viggle Inc.

  • Lead Front End Developer — 2014 — 2015
  • Led frontend development for consumer-facing web applications.

Dev Bootcamp

Web Development Program — 2014

UC Davis

M.S. Forensic Science: Computer Accident Reconstruction — 2003 — 2006

UC Davis

B.S. Neurobiology and Behavior — 1999 — 2003

Download resume

Leadership

Engineering leadership has run through every chapter of my career, from leading migrations and design-system adoption to growing the engineers around me.

11+

Years building for the web

7+

Years leading frontend teams

100%

Commitment to quality & accessibility