Ivo Plamenac
Engineering Manager Platform Engineer
Gig Harbor, Washington, United States
Summary
👤
Senior🎓
Top SchoolIvo Plamenac is an engineering manager and platform engineer with nine years of experience building full-stack systems across startups and established companies, currently leading platform efforts at Builder Prime. Trained as a physicist at Cal Poly with graduate coursework in digital IC design, he brings a methodical, data-driven approach to architecture, prototyping, and debugging. At Mozilla he worked on the Firefox Accounts monorepo, driving payments and subscription UX improvements—shipping feature-flag changes, Storybook components, and subscription/tax UI refinements. Comfortable across TypeScript/Node/React and JVM and .NET stacks, he enjoys bridging frontend polish with backend reliability. Colleagues rely on him to translate ambiguous product needs into testable, maintainable implementations while mentoring teams through technical tradeoffs.
9 years of coding experience
11 years of employment as a software developer
Graduate coursework in Physics and Digital IC Design. No Degree., Graduate coursework in Physics and Digital IC Design. No Degree. at San Francisco State UniversityCalifornia Polytechnic State University, San Luis Obispo
Github Skills (15)
management10
uid10
javascript10
manage10
subscribe10
subscriber10
ui-design10
payment10
react10
xa10
typescript-types9
front-end-development9
typescript9
typescripts9
storybook8
Programming languages (6)
Github contributions (5)
mozilla/fxa
Sep 2021 - Jan 2023
Monorepo for Mozilla Accounts (formerly Firefox Accounts)
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:299 reviews, 120 commits, 180 PRs in 1 year 4 months
Contributions summary:Ivo primarily contributed to the payments-related features within the Mozilla FxA monorepo. Their work involved removing and adding feature flags, creating Storybook components for UI elements, and refactoring code related to email verification and display of coupon information. Furthermore, the user modified the subscription management page to reflect the discounted prices and worked on the tax amount display, alongside enhancements to the apple app store subscription management pages.
firefoxmonorepoaccounts
IvoJP/squashDemo
Sep 2021 - Mar 2022
Contributions:12 PRs, 23 pushes, 9 branches in 5 months
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