Senior Frontend Engineer - React/TypeScript, Remote + Equity

Mercury; New York, Portland, San Francisco (NY, OR, CA); Hybrid; USD 200,700 - 250,900; Full time

Job summary

Mercury is seeking a Senior Software Engineer - Frontend Developer Experience to strengthen frontend foundations across our frontend stack. You will evolve React, TypeScript, and Vite infrastructure to empower teams to ship faster and more confidently.

You will automate workflows, enhance testing, stabilize CI/CD, and drive observability through metrics and surveys. This role emphasizes building a scalable frontend platform for multiple teams and ensuring a smooth developer experience.

Qualifications

• 6-8+ years of software development experience with frontend focus.
• Strong experience with React and TypeScript.
• Experience leading complex engineering projects across teams.

Responsibilities

• Strengthen frontend foundations and evolve React, TypeScript, and Vite infrastructure.
• Help engineers move efficiently with automation and tooling.
• Optimize testing platform for fast feedback and confidence.
• Keep CI/CD pipelines stable, fast, and reliable.
• Make systems observable by unifying technical metrics with surveys.

Skills

React

TypeScript

Frontend development

Leadership

Communication

Build tooling

Tools

Vite

CI/CD tooling

Job description

Mercury is seeking a Senior Software Engineer - Frontend Developer Experience to strengthen frontend foundations across our frontend stack. You will evolve React, TypeScript, and Vite infrastructure to empower teams to ship faster and more confidently.

You will automate workflows, enhance testing, stabilize CI/CD, and drive observability through metrics and surveys. This role emphasizes building a scalable frontend platform for multiple teams and ensuring a smooth developer experience.