Frontend Engineer

Checkmate

• $110K — $130K *
US-AnywhereRemote in United States
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-5 years of experience in production front-end development
  • Strong skills in TypeScript and React
  • Experience with mobile apps and/or browser extensions using React Native
  • Solid understanding of responsive design, animation, and accessibility
  • Proven history of building reusable components
  • Effective communication skills with cross-functional teams
  • Bonus: Experience with App Store/Google Play releases and Chrome extension development

Responsibilities

  • Build and ship user interfaces for mobile app and desktop browser extension
  • Translate designs into production UI with attention to detail
  • Create polished loading, error states, and interaction feedback
  • Collaborate with Product Design Lead to prototype quickly
  • Partner with Marketing to bring new campaigns to life in the product
  • Ensure extension UI integrates seamlessly across thousands of retailer sites
  • Maintain performance and consistency across platforms

Benefits

  • Competitive base salary
  • Equity in a fast-growing, venture-backed company
  • Comprehensive healthcare coverage
  • Generous PTO and health days
  • 401k retirement plan
  • Monthly fitness/wellness stipend
  • Biannual company retreats and team gatherings
  • Remote-first culture with a preference for major cities
Full Job Description
Role Overview

We're hiring a Front End Engineer to own the UI of Checkmate's shopper-facing products: our mobile app and desktop browser extension. You'll pair day to day with our Product Design Lead, turning product ideas and designs into polished, intuitive interfaces that shoppers use every day.

This is a UI-focused seat on a small team that ships quickly. If you care about how a feature feels as much as whether it works, and you'd rather get a first version in front of shoppers than wait on a perfect spec, this is your seat.

Please note: this role is a US-based role only and we cannot offer visa sponsorship for this role at this time.

What You'll Do

Build the Shopper Experience
  • Build and ship UI across the Checkmate mobile app and desktop browser extension, the two places shoppers find and use their offers
  • Turn designs into production UI that matches them down to the spacing, type, and motion
  • Own the details that make a product feel finished: loading, empty, and error states, transitions, and interaction feedback

Partner with Design and Marketing
  • Work side by side with our Product Design Lead to go from idea to shipped, prototyping in code when that's faster than a mockup
  • Partner with our Head of Marketing to bring launches, campaigns, and new offer experiences to life in the product quickly
  • Speak up with a better approach when something will look, feel, or perform worse than it could

Make the Extension Feel Right Everywhere
  • Build extension UI that shows up cleanly on top of thousands of retailer sites, without breaking the page or getting in the shopper's way
  • Ensure the extension experience fits seamlessly within a shopping journey for our millions of users
  • Keep the app and extension fast, lightweight, and consistent across browsers and devices

Grow the Component System
  • Build and maintain shared, reusable components so new features come together quickly and look consistent across every surface
  • Help set our front-end standards through code reviews, accessibility, and performance
  • Use AI tools (Cursor, Claude, and the like) to move faster while keeping full ownership of quality

Requirements
Who You Are
  • You have a strong eye for UI, and you notice when something is a few pixels off, a beat too slow, or just doesn't feel right
  • You start with the user's problem and you care deeply whether what you shipped works well and looks appealing
  • You'd rather ship a first version and iterate than spend weeks polishing a PR
  • You love building closely with designers and marketers, and people find you easy to work with
  • You use AI tools thoughtfully to move faster without dropping quality


What You Bring
  • 3-5 years building production front-end, with a portfolio of shipped consumer UI we can see, use, or dig into
  • Strong skills in TypeScript and React
  • Experience shipping UI for mobile apps and/or browser extensions in React Native
  • Solid fundamentals in responsive layout, animation, accessibility, and front-end performance
  • A track record of building reusable components that other engineers enjoy using
  • Clear communication with designers, marketers, and engineers, in writing and in reviews
  • Bonus: App Store and Google Play release experience, Chrome extension (Manifest V3) experience, motion and animation chops, or time at a consumer shopping or rewards product


Why This Role Matters

Our app and extension are where shoppers meet the Checkmate network: where the right offer shows up at the right moment and a shopper decides to buy. Every one of those moments runs through the UI. Make it fast, clear, and a little delightful, and shoppers save more, brands win more, and the whole network grows. On a team this size, that work is yours to own.

Benefits
Compensation & Benefits
  • Competitive base salary
  • Equity in a fast-growing, venture-backed company
  • Competitive medical/dental/vision/other healthcare coverage
  • 4 weeks PTO + health days
  • 401k plan
  • Monthly stipend for fitness/wellness activities
  • Company retreats and team get togethers 2x a year
  • Remote-first culture (preference for those near major cities - NYC, LA, SLC, Miami, Chicago, etc.)

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