Senior Fullstack Engineer -eCommerce; React​/Next.js​/AWS​/Azure

MCKINNEY TX - 5 DAYS ONSITE

Starts off as a contract and will be converted to Fulltime soon (contract to hire).

The Senior Application Developer is responsible for designing and developing scalable, high-performance, end-to-end solutions for the company’s B2B and B2C eCommerce platforms. This role is a hands‑on senior engineering position that combines solution design with active development across frontend, backend, integrations, and cloud services.

The role requires strong experience with modern web technologies, modular UI architectures, API‑driven systems, cloud platforms, and core eCommerce capabilities. The Senior Application Developer will work closely with product owners and cross‑functional teams to translate business requirements into well‑designed, secure, and performant digital solutions, while mentoring other developers and promoting engineering best practices.

• Design and develop comprehensive eCommerce solutions that align with business and technical requirements.
• Translate business concepts and functional requirements into technical designs, implementation plans, and reusable patterns.
• Design and implement modern application architectures including:
  • Micro-Frontend Architecture
  • Micro Apps
  • Atomic Design–based component systems
  • Server-Driven UI
• Collaborate with Product, UX, Mobile, Integration, and Platform teams to ensure cohesive end-to-end solutions.
• Handson Development
• Integration & Platform Development
• Performance, Security & Quality

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Experience designing and developing modular UI architectures and API‑driven systems.
• Experience building and integrating RESTful APIs and/or Graph
  
  QL services.
• Strong understanding of core eCommerce concepts and workflows.(plus)
• Experience with cloud platforms such as Azure or AWS.
• Familiarity with Dev Ops practices, CI/CD pipelines, and version control tools (Git/Bitbucket).
• Solid understanding of web application security and performance optimization.
• Strong communication, collaboration, and problem‑solving skills.
• Experience working in Agile environments.

• Exposure to PHP and Adobe Commerce (Magento).
• Experience with micro-frontends, design systems, or shared component libraries.
• Experience with composable commerce or MACH architecture.
• Experience with analytics tools such as Google Analytics or Adobe Analytics.
• Experience with observability tools (e.g., New Relic, Azure Monitor).