Sr. Full Stack Developer at P3 Digital LLC

Sr. Full Stack Developer at P3 Digital LLC

About This Role

We’re seeking a Senior Full Stack Developer with significant Shopify ecosystem expertise, a strong understanding of headless architecture, and experience in leading enterprise-scale developments. Your task will be to create scalable, high-performance eCommerce solutions utilizing Shopify (including Hydrogen/Storefront API), Gadget.dev, and headless CMS platforms like Contentful, Sanity, or Strapi.

You will collaborate closely with cross-functional teams—design, product, DevOps, and QA—to architect, develop, and launch robust eCommerce applications that enhance performance and scalability.

Core Responsibilities

Architecture & Development

  • Design full-stack applications with Shopify as the backend and use modern front-end frameworks (Next.js, Remix, React, etc.) in a headless configuration.
  • Lead the creation of scalable, modular, high-performance Shopify applications, prioritizing maintainability.
  • Develop and optimize Gadget.dev-based applications, integrating them with Shopify APIs and third-party services.
  • Create system architecture to support enterprise traffic, catalog sizes, and multi-region deployments.

⚙️ Integration & Infrastructure

  • Facilitate integrations with payment gateways, ERPs, CRMs, and third-party logistics providers.
  • Build efficient API layers using GraphQL, REST, or custom middleware for handling Shopify storefront and admin APIs.
  • Employ CI/CD pipelines, Git workflows, and automated deployment tools (e.g., GitHub Actions, Vercel, or Netlify) for streamlined releases.

Collaboration & Strategy

  • Collaborate with product managers, designers, and technical leads to determine technical requirements and timelines.
  • Act as a senior technical advisor to junior developers and assist in code reviews, architecture documentation, and best practices.
  • Contribute to performance audits, A/B tests, and code optimizations for ongoing projects.

✅ Required Skills & Experience

  • Shopify Ecosystem
  • 5+ years of experience developing with Shopify, including Shopify Plus, Storefront API, Admin API, and Checkout customization.
  • Deep knowledge of Hydrogen, Oxygen, Liquid, Shopify Functions, and Shopify theme development.

Full Stack Proficiency

  • Front-end: React, Next.js/Remix, Tailwind CSS, TypeScript
  • Backend: Node.js, Express.js, serverless functions
  • Databases: PostgreSQL, MongoDB, or Shopify-native metafields & customer objects
  • Expertise in designing GraphQL schemas and working with Apollo or Relay.

Gadget.dev & Headless CMS

  • Strong experience with Gadget.dev, particularly in building Shopify-integrated apps and workflow automations.
  • Proficient with headless CMS platforms like Contentful, Sanity, or AEM.
  • Skilled in modeling content architecture for flexibility and localization.

Systems Thinking & Enterprise Expertise

  • Capable of leading large-scale Shopify implementations across multiple brands, currencies, and localized storefronts.
  • Experienced in designing multi-tenant architectures, CDN caching strategies, and edge function deployments.

Soft Skills & Culture Fit

  • Demonstrated leadership in development teams.
  • Clear, proactive communicator who values documentation and async collaboration.
  • Comfortable mentoring engineers and leading by example.
  • Passionate about eCommerce innovation and delivering elegant, user-centered solutions.

Success Metrics

  • Timely delivery of milestone features with high test coverage.
  • Attaining performance targets for Core Web Vitals and Shopify storefront speed.
  • Ensuring stability and scalability of deployed architecture under enterprise-grade traffic.
  • Boosting developer productivity through tooling, automation, and documentation.
  • Creative mindset capable of effective collaboration with creative teams.

Why Join Us?

  • Dynamic Growth Opportunities: Join a fast-growing company where your contributions directly impact our success and your professional growth.
  • Innovative Culture: Work in an environment that encourages creativity, experimentation, and innovation in digital marketing.
  • Competitive Compensation: Benefit from a competitive salary, performance bonuses, and a comprehensive benefits package.
  • Remote Flexibility: Enjoy the flexibility to work from anywhere, enabling a healthy work-life balance.

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