Demo

Senior Full Stack Developer

McFadyen Digital
Vienna, VA Full Time
POSTED ON 12/21/2025
AVAILABLE BEFORE 1/20/2026

Company Description

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 over 37 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

Job Description

Are you an innovative person? Do you have a passion for technology and solving problems? 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!!   

You will work with related technologies such as NodeJS, Java API, GIT, HTML, CSS, and JavaScript. Your expertise in all phases of a project's lifecycle from analysis to development will help you continue to build and deliver world-class systems.    

As a Full-Stack Developer, you will help integrate and customize marketplace and eCommerce products for our clients combining several platforms into an efficient and unified solution. Business needs must be translated into effective technical solutions using several core technologies including web applications from Shopify and other platforms.    

100% remote work  

Responsibilities  

Top 5 Responsibilities  

  1. Able to solve the critical issues related to front-end and back-end.   
  2. Accurately translate web designs into elegant digital experiences  
  3. Able to translate business requirements into lean code.   
  4. Experience as a Full-Stack developer so you can be actively involved in coding.    
  5. Ability to transfer knowledge to other programmers.    

Other responsibilities  

  • Should have excellent communication skills.    
  • Work in a coordinated and frictionless way with distributed teams.   
  • Work alongside local and remote team members.   
  • Self-starter with the drive and passion to learn new tools, languages, and frameworks.    
  • Development experience under an agile development methodology and process.  
  • Experience using tools Jira, Git, AWS Platform.  
  • Writing server-side code using languages like Python, Java, or Node.js, managing databases, and building APIs.  
  • Contributing to the overall software architecture, testing, and troubleshooting of applications.  
  • Working with other developers, designers, and departments to deliver projects. 

Qualifications

Top 5 qualifications  

  1. Must have at least 8 years of Full Stack Development experience.
  2. JavaScript   
  3. Node.js   
  4. PHP  
  5. AWS  

Other Qualifications  

Programming Languages: Python, JavaScript, Java, Node. 

  • DevOps/CI/CD tools.  
  • Front-End Technologies: HTML, CSS, JavaScript frameworks.
  • Back-End Technologies: Various server-side languages, databases (like SQL), and APIs. 
  • Development Tools: Version control systems, project management tools, and debugging tools. 
  • Experience of JavaScript frameworks (such as Vue, React, Angular, Node).    
  • A strong experience in HTML5 and CSS3/SASS, JavaScript, jQuery and MySQL, MongoDB.    
  • Experience of GraphQL, Elasticsearch, PostgreSQL and on-demand external API's.    
  • Development of extended functionality for CMS systems.    
  • A good understanding of SEO best-practice.    
  • Good problem solver and logical thinker.    
  • Strong understanding of UI and cross-browser compatibility.   
  • Experience with e-commerce development will be a plus (Magento, Shopify, Oracle Commerce Cloud).    
  • Familiarity with Unix systems, common command line tools e.g., grep and source control tools e.g., git.    
  • Familiarity with Docker, Kubernetes and GCP.    
  • Experience building RESTful APIs with Open API / Swagger specifications.   
  • Agile experience is desirable.   
  • Experience with Java and PHP is welcome.    
  • Excellent technical problem-solving skills.    
  • Excellent written and verbal skills.    
  • Advanced English.  

Additional Information

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:  

Our Core Values: Caring, Adaptable, Proactive Ownership, Empowering Clients

Keywords: JavaScript, eCommerce, Java, NodeJS, Java API, GIT, HTML, CSS, AWS. 

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. 

Salary.com Estimation for Senior Full Stack Developer in Vienna, VA
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