Senior Frontend Developer (React, TypeScript)

Relay

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San Diego, CA remote Until 8/21/2026 First posted March 27, 2025 Last posted March 27, 2025
Job description
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.

Responsibilities

  • 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.
  • “Set the tone” in terms of craftsmanship standards and code quality
  • Active/thoughtful participation in discussion surrounding ticket specification, design review, etc.
  • Participate in active, intentional, and thorough code reviews.

Requirements

  • 5+ years of experience building production React applications
  • 1 year of TypeScript experience
  • Minimum 3 years working with any strongly typed programming language
  • 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).
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).
About this role

Summary

Build and maintain high-quality React UI components, collaborate on design, and participate in code reviews.

Job title

Senior Frontend Developer (React, TypeScript)

Experience level

5+ years

Industry

software

Location requirements

San Diego, CA, on-site preferred, remote possible

Salary

Not specified

Management role

No

Skills & keywords

Required skills

reacttypescriptjavascriptui implementationbrowser environment

Preferred skills

None specified

Specializations

frontendreacttypescriptui
Locations

Structured locations inferred from the posting.

San Diego, CA, USA

Hybrid City
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