Senior Full Stack Composable Commerce Developer

McFadyen Digital is the leading advisor and implementer of eCommerce Marketplace solutions.  During 15 years of implementing marketplaces, we’ve built dozens of platforms that cumulatively generate billions of dollars of gross merchandise value (GMV).  We’re honored to have supported 10% of the Fortune 500 with their digital marketplace initiatives.  Over 250 global brands like ABB, AB InBev, ACCO, Albertsons, American Red Cross, American Eagle Outfitters, US Army, US Agriculture Dept, (and many more) have entrusted their digital transformations to McFadyen. We operate global offices across the US, Brazil, and India. McFadyen Digital has been a trusted employer for 35 years and believes that people are the most important part of our company.  We’re proud of our Great Place to Work certification.  

Learn more about us at our website: www.mcfadyen.com

Do you have a passion for technology and solving problems? Are you an innovative person? Do you have the mindset to mentor team members on new technologies/solutions? Are you self-directed, confident, and able to work without requiring a great deal of structure or supervision? Are you highly self-motivated and have a head full of ideas? If you answered yes to these questions, we want to talk to you!!   

McFadyen Digital is looking for a Technical Lead (MACH) to join our team. We would love to share with you the amazing journey that is work for a great e-commerce company as McFadyen is.  

Responsibilities      

Top 5 responsibilities   

1. Architect and implement modular, scalable solutions using MACH principles 
2. Develop and integrate APIs (REST/GraphQL) from headless commerce, CMS, PIM, and payment platforms 
3. Build and deploy microservices using containerized or serverless technologies. 
4. Define infrastructure-as-code (IaC) and CI/CD pipelines for MACH environments. 
5. Ensure high performance, security, and maintainability of distributed systems. 

Additional Responsibilities   

• Collaborate with frontend engineers to integrate headless frameworks (e.g., Next.js, Frontastic, Vue Storefront). 
• Build backend-for-frontend (BFF) layers and orchestrate complex service interactions 
• Contribute to solution architecture and technical discovery workshops for clients. 
• Lead root cause analysis and resolution of system issues across environments. 

Top 5 Qualifications   

1. Deep knowledge of MACH architecture (Microservices, API-first, Cloud-native, Headless). 
2. Experience leading technical teams in Agile environments (Scrum, Kanban, or SAFe). 
3. Strong object-oriented programming and system design skills. 
4. Hands-on expertise in headless commerce systems and composable architectures. 
5. Strong collaboration, communication, and mentorship skills. 

Additional Qualifications 

• Experience with composable commerce platforms like Adobe SAAS, commercetools, Elastic Path, or BigCommerce. 
• Proficient in building and consuming APIs (REST/GraphQL). 
• Cloud platform experience (AWS, Azure, or GCP). 
• Hands-on with Docker, Kubernetes, and/or serverless frameworks (e.g., AWS Lambda). 
• Familiarity with CI/CD, Git, Terraform, and DevOps best practices. 
• Knowledge of frontend ecosystems: JAMstack, MEAN, MERN, and headless CMS. 

What we can offer you      

• A career with thought leaders who literally wrote the book on Marketplace Best Practices.   
• A career in the fast-paced 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, risk-taking and teamwork.   

Additional information        

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 Solutions 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.