Sr. Full Stack Developer
P3 Digital LLC New York

P3 is looking for a highly skilled Senior Full Stack Developer with deep experience in the Shopify ecosystem, headless commerce, and enterprise-grade development. You will lead the development of scalable eCommerce solutions using Shopify Plus, Hydrogen, Gadget.dev, and headless CMS platforms like Contentful or Sanity. This is a remote-first role with global collaboration opportunities.  

Key Responsibilities 

Architecture and Development 

  • Design full-stack headless applications using Shopify, React, Next.js, Remix, and modern backend technologies

  • Develop and optimize apps using Gadget.dev and Shopify APIs

  • Ensure modular, maintainable, and performance-optimized code for enterprise-scale traffic

Integration and Infrastructure
 

  • Build integrations with ERPs, CRMs, payment gateways, and logistics providers

  • Develop API layers using GraphQL, REST, and middleware

  • Use GitHub Actions, Vercel, or Netlify for CI/CD and automated deployments

Collaboration and Strategy
 

  • Work with product, design, DevOps, and QA teams to deliver high-quality outcomes

  • Mentor junior developers and lead code reviews

  • Conduct audits and performance optimizations

Required Skills and Experience

Shopify Expertise
 

  • 5+ years with Shopify Plus, Storefront API, Admin API, Checkout customization

  • Experience with Liquid, Hydrogen, Oxygen, Shopify Functions, and custom themes

Full Stack Development
 

  • Front-end: React, Next.js or Remix, Tailwind CSS, TypeScript

  • Backend: Node.js, Express.js, serverless functions

  • Database: PostgreSQL, MongoDB, Shopify metafields

Headless and Gadget.dev
 

  • Experience building Shopify-integrated apps with Gadget.dev

  • Familiarity with Contentful, Sanity, or AEM for headless content modeling

Enterprise Systems Thinking
 

  • Experience managing complex architectures, multi-currency support, and high-traffic environments

  • Strong understanding of CDN caching and edge deployments

Soft Skills
 

  • Proven leadership in development teams

  • Excellent communication and documentation skills

  • Passionate about elegant, user-centered eCommerce solutions

Performance Metrics
 

  • Timely delivery of high-quality features

  • Meeting or exceeding Core Web Vitals targets

  • Scalable infrastructure that performs under enterprise-grade demand

  • Tools and documentation that improve team productivity

Why Join P3
 

  • Direct impact on top-tier global eCommerce brands

  • Remote work flexibility from anywhere in the world

  • Competitive salary, performance bonuses, and full benefits

  • Fast-paced, innovative environment with growth opportunities

Apply Now
Start building the future of eCommerce with us. Visit https://www.p3.com to learn more.
 

P3 Digital LLC
About Company

P3 is a digital commerce partner to some of the world’s most iconic and successful brands. From vintage arcade gaming to premium fashion, our clients are pioneers in their fields, each with an average of over two decades of business excellence. As they transition from traditional retail to direct-to-consumer strategies, P3 helps them scale through modern eCommerce solutions, headless architecture, and seamless integrations. We are passionate about building the future of digital commerce—and we’re hiring the best to help lead that change. 

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