SwapRail
Posted 4mo ago

Frontend Engineer

SwapRail
United States
RemotePart Time, Full Time
Responsibilities
  • Building interfaces
  • Implementing flows
  • Optimizing rendering
Requirements
  • Strong React/TypeScript, Next.js, React Native
  • Real-time data handling
  • UI design systems
Technical tools mentioned
ReactTypeScriptNext.jsReact NativeTailwindCSSReact QueryZustandReduxwagmiviemethersD3Recharts

Job description

Build performant, scalable, and intuitive user interfaces for SwapRail across web and mobile platforms, covering trading flows, wallet interactions, and real-time data visualization.

Location: Remote / Work from Home

Type: Part-time preferred / Full-time available

Responsibilities

- Develop and maintain core product interfaces using React and React Native

- Implement complex trading flows, including quoting, routing visualization, and execution states

- Integrate wallet connectivity and blockchain data into UI layers

- Build real-time data-driven interfaces (prices, balances, transaction states)

- Design and implement reusable UI components and design systems

- Optimize rendering performance, especially under high-frequency data updates

- Handle edge cases such as pending transactions, failed states, and network inconsistencies

- Collaborate closely with backend and wallet engineers to align on data contracts and UX behavior

Requirements

- Strong experience with React and TypeScript

- Experience with Next.js and modern frontend architecture

- Experience building mobile apps using React Native

- Strong understanding of state management (React Query, Zustand, Redux, etc.)

- Experience handling asynchronous data and real-time updates

- Familiarity with TailwindCSS or similar styling systems

Nice to Have

- Experience building DeFi or trading interfaces

- Familiarity with Web3 frontend libraries (wagmi, viem, ethers)

- Experience with charting and data visualization (TradingView, D3, Recharts)

- Understanding of UX patterns for financial/trading products

- Experience building cross-platform design systems

About SwapRail

Building a self-custody wallet for secure cross-chain swaps.

Similar jobs

Frontend Engineer roles
5h
Save
Mark Applied
Hide
Founding Frontend Engineer
San Francisco, California, United States
€55k-€65k/yr HybridFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOE2+ years of frontend engineering experience at a B2C company; Figma proficiency; AI coding tools experience; strong product instincts and ability to work autonomously.
Figma, Copilot, Cursor
18h
Save
Mark Applied
Hide
Lead Frontend Developer (Vue.js) (535521)
Miami or Atlanta
$82k-$193k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
6+ YOERequires 6–8+ years of web development, 2+ years of Vue.js, team leadership, JavaScript, scalable architecture, RESTful APIs, automated testing, and onsite work in Miami at least four days weekly.
Vue.js, Vue CLI, Vuex, Vue Router, Nuxt.js, HTML5, CSS3, Sass, Less, Jest, Mocha, Babel, Webpack, Git, Node.js, Bitbucket, SVN, WCAG
22h
Save
Mark Applied
Hide
Frontend Developer 2
United States
OnsiteFull Time
RSI EnTech
RSI EnTech: Provides environmental restoration and nuclear facility management services.
Bachelor's degree in Computer Science or related field, or equivalent experience; project-based Angular experience; ability to develop Angular applications independently.
Angular, TypeScript, Angular.js
1d
Save
Mark Applied
Hide
Senior Frontend Engineer, Agent Core Products
United States
$195k-$220k/yr RemoteFull Time
Airbnb
AirbnbNASDAQ: ABNB: Online marketplace for vacation rentals and travel experiences.
6+ YOERequires 6+ years of industry experience, a CS degree or equivalent experience, frontend architecture, JavaScript/TypeScript, React or GraphQL, web technologies, AI UI, and Java/Kotlin proficiency.
JavaScript, TypeScript, React, GraphQL, HTML, CSS, Java, Kotlin
1d
Save
Mark Applied
Hide
Frontend Developer (Video Player UI)
Texas, United States
$125k-$135k/yr RemoteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
2+ YOERequires 2+ years of software engineering, TypeScript, and single-page application framework experience, plus 1+ year with WebRTC, HLS, or WebCodecs. U.S. work authorization required; sponsorship unavailable.
React, Stencil JS, Angular, Web Components, Redux Toolkit, React Redux, TypeScript, JavaScript, WebRTC, HLS, WebCodecs, Emotion, styled-components, Vite, Nx, Vitest, Testing Library, Cypress, Material-UI, Joy UI, Rollup, React Spring, React Zoom Pan Pinch, i18next, Vue, Svelte, Conventional Commit, Semantic Release
1d
Save
Mark Applied
Hide
Senior Frontend Engineer
New York City, New York, United States
$190k-$215k/yr OnsiteFull Time
Tennr
Tennr: Automates healthcare referral workflows and patient intake with AI.
5+ YOERequires 5+ years in UI/UX engineering, front-end, or full-stack development; strong JavaScript, React, and TypeScript knowledge; scalable web application, performance, accessibility, coding, communication, and collaboration skills.
JavaScript, React, TypeScript
1d
Save
Mark Applied
Hide
Senior Frontend Engineer
United States
RemoteFull Time
Provable
Provable: Builds privacy-first blockchain infrastructure using zero-knowledge cryptography.
5+ YOERequires 5+ years of software engineering experience, including 2 years with TypeScript, proficiency in TypeScript, React, and Next.js, blockchain knowledge, UX familiarity, and scalable web application experience.
TypeScript, React, Next.js, General Data Protection Regulation (GDPR), California Consumer Privacy Act (CCPA)
1d
Save
Mark Applied
Hide
Frontend Engineer, Platform
San Francisco or New York City
$130k-$220k/yr HybridFull Time
Doppel
Doppel: Provides AI-native defense against digital social engineering and impersonation.
5+ YOE5+ years of software engineering experience with deep React and TypeScript expertise, production web application experience, and frontend platform ownership. Strong communication and autonomous product mindset required.
React, TypeScript, Relay, GraphQL, Figma, Storybook