Senior Full Stack Composable Commerce Developer

We are looking for a Full Stack Developer with handson experience in building modern, composable eCommerce solutions. This role involves developing and integrating scalable, highperformance digital commerce applications using headless platforms, microservices, and modern frontend technologies.

You’ll work across the entire stack, from building APIs and backend services to creating rich, interactive user experiences using modern JavaScript frameworks. If you love solving technical challenges, enjoy working on cuttingedge platforms, and are driven by creating highquality digital experiences, we’d love to talk to you!

What You’ll Do:

• Develop full stack solutions for digital commerce platforms using technologies like Node.js, TypeScript, React, Next.js, or Vue.js.
• Build and consume RESTful and GraphQL APIs to connect commerce, content, and data services.
• Work with cloudnative technologies and modern DevOps pipelines (e.g., GitHub Actions, Docker, Terraform) to ensure smooth deployments and scalability.
• Collaborate with product managers, designers, QA, and other engineers to deliver userfocused solutions.
• Participate in code reviews, ensure best practices for performance and security, and continuously improve the development process.
• Troubleshoot, debug, and resolve application and performance issues in development and production environments.

• Qualifications

  What You Bring:

  • 3 6 years of full stack or backend development experience, preferably in digital commerce or web application environments.
  • Proven experience with BigCommerce development, including Stencil, BigCommerce APIs (REST, GraphQL), and headless integrations.
  • Strong proficiency in JavaScriptTypeScript, Node.js, and modern frontend frameworks such as React, Vue.js, or Next.js.
  • Experience designing and working with REST and GraphQL APIs.
  • Familiarity with modular architectures, microservices, and headless CMS or commerce platforms.
  • Understanding of cloud platforms (AWS, Azure, GCP) and containerization tools like Docker.
  • Ability to work in an agile team environment and communicate effectively with crossfunctional teams.
  • Excellent English communication skills

  • Bonus Points For:

    • Experience with composable commerce platforms (e.g., commercetools, BigCommerce, Elastic Path, Adobe SaaS).
    • Familiarity with headless CMS systems like Contentful, Strapi, or Sanity.
    • Knowledge of JAMstack architecture and BackendforFrontend (BFF) design patterns.
    • Experience with frontend hosting platforms like Vercel or Netlify.

    • Additional Information

      Why Join McFadyen?

      • Work remotely with a global team of forwardthinking engineers and architects
      • Collaborate on highimpact projects with Fortune 500 clients
      • Access continuous learning and certification opportunities
      • A career with thought leaders who literally wrote the book on Marketplace Best Practices.
      • A career in the fastpaced world of retail eCommerce, digital marketplaces, and platform businesses.
      • A career with first movers who are deploying new business models and strategies worldwide.
      • A career in a flat management structure without a rigid hierarchy and bureaucracy.
      • A career in a culture that rewards creativity and innovation, risktaking and teamwork.

      • 
        Core Values: Client Focus, Owning the Outcome, Adaptable, Caring
        
        Keywords: Full Stack Developer, BigCommerce, Composable Commerce, eCommerce, Headless, React, Next.js, Node.js, APIs, GraphQL, AWS, JAMstack, Remote Work
        
        eCommerce & Marketplace Platforms:
        Adobe Commerce (Magento), Salesforce Commerce Cloud (SFCC), SAP Hybris, Mirakl, ChannelAdvisor, IBM WebSphere Commerce, BigCommerce, Shopify Plus, commercetools, Oracle Commerce, Elastic Path, Spryker
        
        Technology & Tools:
        CRM (Salesforce), SaaS Sales, PIM (Product Information Management), CPQ (Configure Price Quote), CMS (Content Management Systems), OMS (Order Management Systems), ERP (Enterprise Resource Planning), BI Tools (Business Intelligence)

        McFadyen’s goal is to ensure that our clients are able to maximize the return on their technology investment by providing better service to their clients, partners and internal teams. At McFadyen we truly believe our employees are our most valuable asset. Across our locations in the US, Brazil, and India, we offer a world class work culture that enables top notch delivery for some of the world’s most influential companies.

        McFadyen Digital is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity expression, national origin, disability, protected veteran status, or any other characteristic protected under federal, state, or local law, where applicable.