Senior Frontend Engineer, Portfolio

Ready to do the most impactful work of your career? At  the company , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. The company is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.”  Learn more about working at the company .

Senior Frontend Engineer, Portfolio

The Portfolio team within the Consumer & Business group owns how millions of the company 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 company 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 the company 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 the company 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

Required Skills and Experience

• 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.

Pay Transparency Notice: Base salary varies by location (see range below). Total compensation may also include equity and bonus eligibility, and benefits (medical, dental, vision, 401(k)).

Annual base salary range (excluding equity and bonus)

$186,065 — $218,900 USD

• Application Limit: Candidates may submit a maximum of 3 applications within a 6-month period.

• Equal Opportunity Employer: the company is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information. Applicants with criminal histories will be considered consistent with applicable federal, state, and local laws.

• US Applicants: View Employee Rights , Know Your Rights , and E-Verify Notice of Participation.

• Accommodations: If you are an individual with a disability who needs a reasonable accommodation, email us your request and contact info at accommodations[at]the company. Need screen reading technology? Click here to download a free compatible screen reader and view the tutorial .

• Data Privacy & Arbitration: By submitting your application, you agree to our Candidate Privacy Notice . US applicants: By submitting your application, you agree to Arbitration of Disputes .