Senior Frontend Engineer|Tech Lead

Building thoughtful, scalable web experiences

I design and build modern web applications that solve complex problems and help teams move faster.

  • React
  • Angular
  • AWS
  • Team Leadership
Explore my work
Portrait of Chermaine Zimmerman

Selected Work

Personal project

Migration Health Command Center

  • React
  • Recharts
  • Data viz

An early-warning dashboard that protects revenue during a platform migration — same-weekday baselines, root-cause diagnosis across seven signals, and a dollar-ranked at-risk queue.

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Personal project

Shop The Theme

  • Next.js
  • React
  • Tailwind

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

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Personal project — in development

Porch Light

  • Next.js
  • Drizzle
  • Postgres
  • MapLibre

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

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 space. I’ve owned end-to-end web experiences that support creator onboarding, growth, and monetization — with deep expertise in Angular and React, a strong focus on performance and architecture, and a design partnership habit that shows up in every product 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.
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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