Tapcart
Tapcart

Senior React Developer, App Studio Solutions

July 11, 2025
Full-time
$140,000.00/yr - $160,000.00/yr
Remote · Santa Monica, CA
Mid-Senior level
Front-end Developer
Apply now

Tapcart is the leading mobile app platform for the world’s fastest-growing Shopify brands. We help marketers and eCommerce teams strengthen their brands and create differentiated customer experiences through a direct mobile channel.

Our platform powers mobile shopping for over 50 million consumers and processes more than $8 billion in revenue annually. Brands like Béis, Grove Collaborative, and Ruggable trust Tapcart to turn mobile traffic into high-retention, high-growth relationships — with mobile apps launched in hours, not months.

We are looking for a talented and dedicated Senior React Developer for App Studio Solutions to join our dynamic team. If you are passionate about e-commerce and front-end web development, and have extensive experience with technologies like React.js, Next.js, TypeScript, HTML, JavaScript, CSS, REST APIs, GraphQL, and Shopify APIs, you may be a good fit!

APP STUDIO

Tapcart’s App Studio is the ultimate mobile commerce platform that makes custom app design simple. This feature empowers brands to control every detail and syncs in real-time with your Shopify backend to revolutionize the eCommerce experience. From start to finish, brands can design with drag-and-drop simplicity or dive deep with custom code, manage integrations, and analyze app performance. Also, App Studio allows brands to seamlessly manage marketing campaigns to keep your app fresh, all within your Shopify admin.

THE ROLE

As a Tapcart Senior React Developer for App Studio Solutions, you will collaborate with our client success and engineering teams to develop Custom Blocks efficiently and accurately. You will play a crucial role in building Custom Blocks and React web apps for existing and prospective clients, ensuring a seamless user journey and enhancing the overall mobile app experience.

Technical Support & Troubleshooting

  • Assist clients in building and customizing apps using Tapcart App Studio.
  • Troubleshoot issues with Custom Blocks and provide timely, effective support.
  • Use platform knowledge to resolve issues and ensure smooth development.

Client Collaboration & Custom Block Guidance

  • Understand client needs and offer expert advice on Custom Block customization.
  • Align app designs with Tapcart's capabilities and client goals.

Custom Block Development

  • Build and customize Custom Blocks and React.js apps to meet specific needs.
  • Enhance app functionality and user experience.
  • Mentor engineers on clean coding practices for merchant apps.

Team Collaboration & Platform Improvement

  • Work closely with Tapcart’s engineering team to deliver Custom Blocks.
  • Report bugs and contribute to platform enhancements.

Staying Current & Providing Expert Support

  • Keep up with trends in mobile app development and React.js.
  • Leverage ongoing learning to deliver cutting-edge support to clients.

Merchant & Partner Engagement

  • Build strong relationships with merchants and partners.
  • Promote collaboration and continuous improvement of Tapcart tools.

What Skills Will You Need

  • Frontend/ UI Development Experience: 5+ years of hands-on experience in UI or frontend development, with strong proficiency in React, React Native, HTML5, CSS3, and JavaScript, in eCommerce or SaaS
  • JavaScript & Frameworks: Proficient in client-side scripting and experience with JavaScript libraries such as jQuery, as well as modern frameworks like Vue.js and React.
  • Shopify Development: Hands-on experience with Shopify platform development, including the Shopify API and ability to create and manage webhooks, address deprecations, and maintain API calls. Familiarity Shopify Flow and ability to create efficient, scalable logic for automation
  • Client Collaboration: Skilled at working directly with clients to understand project goals, translate briefs into actionable tasks, present work, and incorporate feedback into final deliverables.
  • Agile & Sprint Execution: Proven ability to take ownership of sprint tasks and effectively contribute to team velocity. Comfortable using GitHub, Figma, and Asana in a collaborative development environment.
  • Debugging & Problem Solving: Strong troubleshooting skills, particularly with the DOM and browser behavior.
  • Basic Image Editing: Capable of making basic edits to images such as cropping, resizing, and format adjustments.
  • Database Knowledge: Understanding of databases such as MySQL.

BONUS IF YOU HAVE

  • Experience in building developer tools or SDKs
  • Prior work with merchant/partner ecosystems
  • GraphQL: Experience working with GraphQL in either client-side or server-side applications and Shopify Storefront/Admin APIs
  • Professional Services Experience: Background in agencies or consulting firms, with exposure to managing complex web projects.
  • Design Tools: Familiar with design tools like Figma.

SALARY RANGE: $140,000-$160,000

This position is not eligible for visa transfer or sponsorship.

This position is remote eligible in the following states: AL, AZ, CA, CO, FL, GA, IL, MA, ME, MI, NV, NJ, NY, NC, OH, OR, PA, TN, TX, UT, VA, WA

Tapcart Perks And Benefits

  • 💰 Financial Wellness

  • 401(k) plan and equity grants for all full-time employees — because we grow together

  • Competitive compensation with room to grow

  • 🏥 Health & Wellbeing

  • Affordable, high-quality medical, dental, and vision coverage

  • Mental health support via Headspace and Talkspace, ensuring your whole self is supported

  • 🛋 Flexibility & Time Off

  • Flexible PTO policy — take the time you need to rest and recharge

  • 11 paid company holidays

  • Work remotely

  • 🛒 Work-Life Balance with a Tapcart Twist

  • One-time home office setup stipend to get you started

  • Recurring merchant shopping stipend so you can experience the magic of Tapcart like our customers do

WHY JOIN TAPCART?

We’re a Santa Monica-based tech company with the energy of a startup and the momentum of a market leader 🏖. At Tapcart, we believe building great products starts with building an environment where passionate people can thrive.

Since our $50M Series B in 2021, we’ve continued scaling our platform and our community of merchants. Backed by world-class investors and trusted by leading eCommerce brands, we’re on a mission to redefine mobile shopping — and we’re just getting started.

  • Check out what our customers are saying.

Learn more about who we are and what we offer on ourCareers page.

Recruitment Disclaimer

Please be aware that Tapcart, Inc. (“Tapcart”) and our official professional recruiting agencies and platforms do not:

  • Send job offers from free services like Gmail, Yahoo, Hotmail, Whatsapp, etc.
  • Request money, fees, or payment of any kind from prospective candidates to apply to Tapcart, for employment, or for the recruitment process (e.g. for home office supplies, or training, etc.).
  • Request or require personal documents like bank account details, tax forms, or credit card information as part of the recruitment process prior to the candidate signing an engagement letter or an employment contract with Tapcart.

You may see all job vacancies on our official Tapcart channels:

  • Official Tapcart website, Careers page: https://www.tapcart.com/careers
  • Official LinkedIn Jobs page: https://www.linkedin.com/company/tapcart/jobs/