Mercury

6 days ago

Senior Software Engineer - Frontend Developer Experience

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 6 hours agoStatus: Live

Job Summary

Build and evolve the frontend foundations that help every Mercury engineer ship faster and with confidence. You’ll strengthen React/TypeScript/Vite infrastructure, streamline development with automation and static analysis (including LLM-assisted tooling), and optimize testing for fast feedback (unit tests and visual snapshots). Own CI/CD stability and observability by unifying technical metrics with developer sentiment, helping teams move confidently at high deployment velocity.

Location: San Francisco, New York, Canada, United States

Workplace: Hybrid

Employment Type: Full time

Job Function: Software Engineering

Seniority: Mid level

Key Responsibilities

•Strengthen frontend foundations by evolving React/TypeScript/Vite infrastructure to support fast, confident shipping.
•Improve developer efficiency with automation and tooling using static analysis, local tools, and LLM coding tools.
•Optimize the testing platform for fast feedback loops, including unit tests and visual snapshots for high-confidence releases.
•Make CI/CD pipelines stable, ergonomic, and fast to keep engineers in flow and speed up fixes to customers.
•Increase engineering observability by unifying technical metrics with developer survey sentiment metrics and building missing observability capabilities.

Pay and Benefits

Salary: USD 200,700 - 250,900 annually

Equity and Bonus:Equity

Key Requirements

•6-8+ years of frontend-focused software development experience with deep React and TypeScript expertise.
•Lead complex engineering projects across multiple teams/functions, including multi-stage rollouts and research/consensus-building before action.
•Strong communication across organizational boundaries and the ability to drive discussions to productive ends.
•Maintain internal libraries or platform tooling that other engineers depend on.
•Strong understanding of modern frontend developer tooling/workflows, including build systems, CI/CD, web hosting, and testing.

Experience:6+ yearsFintechSaaS

Skills:CommunicationDriving discussionsInitiativeProblem-solving

Languages:English

Tech Stack:ReactTypeScriptViteCI/CDStatic analysisLLM coding toolsUnit testsVisual snapshotsWeb hosting

Company Brief

Mercury

Provides banking and financial infrastructure for startups and small businesses, offering business checking accounts, payments, debit cards, venture debt integrations, and treasury services via a developer-friendly platform.

Industry: Fintech Infrastructure

Company Size: Large (251 to 1,000 employees)

Growth: Scaleup

Valuation: Unicorn (USD 1B+)

Funding: Series C

Headquarters: San Francisco, United States

Founded: 2017

Website LinkedIn

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Mercury

6 days ago

Senior Software Engineer - Frontend Developer Experience

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 6 hours agoStatus: Live

Job Summary

Location: San Francisco, New York, Canada, United States

Workplace: Hybrid

Employment Type: Full time

Job Function: Software Engineering

Seniority: Mid level

Key Responsibilities

•Strengthen frontend foundations by evolving React/TypeScript/Vite infrastructure to support fast, confident shipping.
•Improve developer efficiency with automation and tooling using static analysis, local tools, and LLM coding tools.
•Optimize the testing platform for fast feedback loops, including unit tests and visual snapshots for high-confidence releases.
•Make CI/CD pipelines stable, ergonomic, and fast to keep engineers in flow and speed up fixes to customers.
•Increase engineering observability by unifying technical metrics with developer survey sentiment metrics and building missing observability capabilities.

Pay and Benefits

Salary: USD 200,700 - 250,900 annually

Equity and Bonus:Equity

Key Requirements

•6-8+ years of frontend-focused software development experience with deep React and TypeScript expertise.
•Lead complex engineering projects across multiple teams/functions, including multi-stage rollouts and research/consensus-building before action.
•Strong communication across organizational boundaries and the ability to drive discussions to productive ends.
•Maintain internal libraries or platform tooling that other engineers depend on.
•Strong understanding of modern frontend developer tooling/workflows, including build systems, CI/CD, web hosting, and testing.

Experience:6+ yearsFintechSaaS

Skills:CommunicationDriving discussionsInitiativeProblem-solving

Languages:English

Tech Stack:ReactTypeScriptViteCI/CDStatic analysisLLM coding toolsUnit testsVisual snapshotsWeb hosting

Company Brief

Mercury

Industry: Fintech Infrastructure

Company Size: Large (251 to 1,000 employees)

Growth: Scaleup

Valuation: Unicorn (USD 1B+)

Funding: Series C

Headquarters: San Francisco, United States

Founded: 2017

Website LinkedIn