> Markdown version of [/jobs/ext/4609302-senior-frontend-engineer-portfolio](https://www.wearedevelopers.com/jobs/ext/4609302-senior-frontend-engineer-portfolio). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Frontend Engineer, Portfolio

- **Company:** Coinbase Global
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $186,065 - $218,900
- **Contract:** Permanent contract
- **Skills:** Android Software Development, Apple IOS, Component-Based Software Engineering, Big Data, Code Review, Design of User Interfaces, Human-Computer Interaction, Systems Integration, TypeScript, Web Applications, Performance Testing, ReactJS, Backend, Production Code, Graphql, Front End Software Development
- **Published:** November 6, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-frontend-engineer-portfolio-new-york-ny--e1c1b0a3-a01f-477e-ad1e-ec57b7aaf4d8

## About the Role

User Interface/Experience (UI/UX), User Interface/Experience (UI/UX), Android, iOS, Product Design, Instrumentation, Performance Testing, Code Reviews, Mentoring, Engineering, * 5+ years of frontend engineering experience building consumer-facing web applications with high-quality, well-tested production code

 * Deep expertise in React and TypeScript, with strong command of modern frontend fundamentals (state management, rendering performance, accessibility)
 * Track record shipping and owning complex features end-to-end in production, ideally in financial, trading, or other data-intensive applications where accuracy and latency matter
 * Demonstrated experience building real-time or high-throughput UIs and integrating with backend APIs (REST/GraphQL), with consistent collaboration alongside design and product partners to shape product outcomes
 * Utilizes generative AI responsibly, maintaining human oversight to deliver business-ready outputs and drive measurable improvements in workflow efficiency, cost, and quality.

## Description

The Portfolio team within the Consumer & Business group owns how millions of Coinbase users understand what they hold and how it''s performing. We build the balances, holdings, and profit-and-loss experiences at the core of the Coinbase app and website, the surfaces users open first, check most often, and trust most. As a Senior Frontend Engineer on Portfolio, you''ll turn complex, real-time financial data into clarity for every kind of Coinbase user, from first-time buyers to sophisticated traders.

What you''ll do:

 * Own the design and delivery of core Portfolio experiences including balances, holdings, and PnL across web (React/TypeScript) and native mobile (iOS and Android)
 * Build performant, accessible, pixel-accurate UI that renders real-time financial data at Coinbase scale
 * Partner with backend, design, and product to take ambiguous problems from scoping through production rollout
 * Drive frontend architecture and quality including component reuse, state management, testing, and performance instrumentation
 * Strengthen the team''s engineering bar through rigorous code reviews, technical mentorship, and well-documented architecture decisions