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Senior Frontend Developer (React, TypeScript)

Relay
San Diego, CAPosted 1619 days ago
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Relay is hiring a Senior Frontend Developer (React, TypeScript) in Engineering — San Diego, CA. The overview below is synthesized from the employer posting on jobs.lever.co: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.

Relay is building the web3 messenger. We are looking for talented and motivated front-end engineers of all experience levels.

Relay is building the web3 messenger. We are looking for talented and motivated front-end engineers of all experience levels.

Responsibilities

Day-to-day scope for the Senior Frontend Developer (React, TypeScript) as described in the posting:

  • 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

Experience and skills the team lists as required:

  • 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).

Build a standout application

For the Senior Frontend Developer (React, TypeScript) at Relay, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.

Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.

In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it. Add links to public work, keep formatting scannable, and close with a clear ask. Hiring managers skim — make impact obvious in the first half-page.

Career growth in Web3 rewards continuous learning. Follow protocol changelogs, practice with testnets, and contribute to open issues. Small, consistent contributions compound into credibility more than one-off credentials.