Lead Frontend Developer (React, TypeScript)

🏢 Relay · all 3 jobs
📍 United States
📅 Posted Sep 18, 2026 · via Himalayas
🏷 Frontend Development, Web3 Development, React, UI Engineering, Frontend Engineer, Lead Frontend Developer +6 more
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Relay is building the web3 messenger. We are looking for talented and motivated front-end engineers of all experience levels. Relay engineers thrive in a high-growth, high-velocity environment where success depends on the highest levels of communication, code quality, and pragmatism. Each engineer must be able to individually own a slice of the Relay codebase while also maintaining a working knowledge of others. Accordingly, Relay is looking for team members who are not only highly-skilled individual contributors but also strong collaborators and communicators.
Technical Responsibilities

- Facilitate technical growth for all members of the development team

- Develop, shape, and maintain technical processes and workflows

- “Set the tone” in terms of craftsmanship standards and code quality

- Carefully implement critical UI components, shared functionality, and certain subsystems (like monitoring, testing, validation, etc)

- Rapidly implement functional UI elements from design mocks and workflow diagrams, with an eye toward correctness and readability.

- Active/thoughtful participation in discussions surrounding ticket specification, design review, etc.

- Participate in active, intentional, and thorough code reviews.

Lead Responsibilities

- Actively participate in GitHub discussions, issues, and pull requests

- Provide technical support and guidance in both GitHub and Discord

- Participate in growing the development team

Requirements

- 5+ years building production, customer-facing React applications.

- 7+ years of experience building production, customer-facing frontend applications (using React or any other frontend toolchain).

- 1 year of TypeScript experience

- Minimum 3 years working with any strongly typed programming language

- Minimum 1 year leading or 2 years contributing to a web3-centric project

- Very strong verbal and written communication skills.

- Very strong understanding of idiomatic UI implementation patterns

- Deep understanding of JavaScript and TypeScript

- Strong understanding of the browser programming environment (the DOM, data-fetching APIs, storage APIs, sessions, HTTP, caching, etc).

- Working understanding of public key cryptography (encrypting, signing, etc) and associated user flows

- Desire to work in a semi-public-facing role as an OSS maintainer

Relay 's benefits include unlimited and encouraged time off, 100% company-paid medical, dental, & vision for you and your dependents, 2-3x/week company lunches at local restaurants, and for remote employees: up to $2,000 USD home office setup stipend (all benefits are subject to applicable taxes and based on eligibility).

Originally posted on Himalayas

Flights + hotels

This role requires you to be in the United States. If that means relocating or flying in, it is worth checking fares before you commit to a start date.

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