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Senior Frontend Engineer

🌐 Remote💼 Full-time💰 $130,000–$180,000🗓 2026-06-24

Core

Design and implement React/TypeScript frontend software for a digital asset banking platform, assisting with backend integration.

Role type

Senior Frontend Engineer

Builds

Digital asset banking interfaces and responsive online customer portals

Domain

Fintech / Digital Assets / Cryptocurrency

Deliverable

production ML models | product features

Required skills

React, TypeScript, UX design, API/presentation layer separation, unit testing, end-to-end testing, debugging, code review, mentorship

Preferred skills

CSS-in-JS, RTK Query, Tailwind, Storybook, Playwright, Puppeteer, Webpack, Python, Go

Technologies

React, TypeScript, Python, Go, Redux Toolkit, Tailwind, Webpack

Responsibilities

Design and implement frontend software, assist with backend implementation, write testable code, perform code reviews, mentor team members, debug complex systems

Seniority

Senior, hands-on IC

Rewrite
## About the role We see a future where all banks will need to support digital assets and provide a responsive, online interface to tech-savvy customers. Custodia is already a chartered bank and is providing banking, money market fund, and bitcoin custody services to business customers. The Custodia team is comprised of all-stars with deep experience in both bitcoin and traditional financial services. ## Responsibilities - Design and implement software for the React/Typescript frontend - Assist and implement software for the Python/Go backend - Write reusable, testable, idiomatic, principled code - Read and write technical documentation - Quick and efficient debugging capabilities - Assume technical responsibility of various complex systems - Perform regular code review - Provide mentorship for team members - Autonomously break down ambiguous work and plot a course of action - An advocate for more efficient, quick, and high quality code delivery - Ability to grow less-experienced peers into formidable colleagues through pairing, code reviews, and empathetic coaching ## Requirements - 4+ years of previous experience as a Senior Frontend Engineer - Substantial experience with React and Typescript - Appreciation for UX - Experience separating the data/api layer and the presentation layer with front-end applications - Experience developing apps from scratch and shipped to production - Understands the importance of unit & end-to-end testing - Remote work experience ## Nice to have - CSS-in-JS tools such as Styled Components - RTK Query (Redux Tool Kit) - Tailwind - Storybook - Playwright / Puppeteer - Webpack 4 or 5 - Python/Go experience - Full stack engineering ## What we offer - Competitive Salary - 100% Remote - Competitive Equity Package - Amazing Growth Opportunity - Unlimited PTO - Medical, Dental and Vision ## About the company For CO, NY, CA and WA residents, the salary range for this position is $130,000 - $180,000/year with additional equity compensation and bonus opportunity. Actual compensation may vary based on individual candidate experience and location. Custodia embraces diversity and is proud to be an equal opportunity employer. As part of our commitment to diversifying our workforce, we do not discriminate on the basis of age, race, sex, gender, gender identity, color, religion, national origin, sexual orientation, marital status, citizenship, veteran status, or disability status.
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