Senior Software Engineer, Full Stack

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.

THE ROLE

As a Senior Full-Stack Software Engineer at Tapcart, you’ll work in a small, highly collaborative cross-functional team to build and enhance our mobile commerce platform. You’ll have end-to-end ownership, from ideation to deployment, with a direct impact on our customers. We value rapid iteration, empowering and expecting engineers to ship code daily in a fast-paced, data-driven, and agile environment. You’ll drive innovation while ensuring accountability and transparency, with regular progress updates keeping the team aligned.

The ideal candidate is passionate about code quality and following best practices while always searching for new, better ways to get things done. Presented with a problem space, this person can autonomously translate business and functional requirements into live production-ready solutions and drive projects to completion. They are obsessed with customer value, understanding that completion means not just finishing code but personally validating solutions and delivering tangible value to customers. This person will help shape the next generation of products at Tapcart - building marketing tools, developer tools, generative AI tools, and more.

HOW YOU WILL MAKE AN IMPACT

• Build and deploy full-stack solutions with a focus on pixel-perfect user interfaces delivered to over 100M shoppers, owning projects end-to-end.

• Architect and review the design for cutting-edge mobile and web services using the latest tools, with a strong emphasis on cross-platform development, in close collaboration with other cross-functional team members.

• Optimize cloud infrastructure for cost and performance, specifically considering the demands of mobile application delivery.

• Protect customer and shopper data with enterprise-grade security best practices and global regulatory compliance, with a deep understanding of mobile security considerations.

WHAT SKILLS YOU’LL NEED

• 5+ years of experience in software engineering, with significant experience in React, React Native, Next.js, and full-stack development in a JavaScript/TypeScript stack.

• Strong web development fundamentals – HTML, CSS, Accessibility – with a track record of building beautiful UI for production applications

• Demonstrated ability to architect complex full-stack solutions and obtain buy-in from stakeholders.

• Extensive experience defining API schemas for mobile and web applications and managing change over time.

• Strong experience in system architecture design, application development (both mobile and web), and DevOps practices tailored for mobile and web deployments.

• Expertise with cloud platforms such as Google Cloud Platform (GCP) or Amazon Web Services (AWS), including services relevant to mobile application deployment and management.

• Strong proficiency in mobile development best practices, including performance optimization, offline data management, and platform-specific considerations.

BONUS IF YOU HAVE:

• Experience with Shopify Storefront/Admin API frameworks.

SALARY RANGE: $175,000 - $185,000 annually

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, 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 Tw