Senior Fullstack Engineer -eCommerce (React / Next.js / AWS/Azure)

FullstackApplication Developer -eCommerce (React / Next.js / AWS/Azure)

MCKINNEY TX - 5 DAYS ONSITE

Full time role -No visa sponsorship available - onsite role

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

Job Details

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.

Key Responsibilities Solution Design & Engineering

• 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
• MicroApps
• Web Components
• Atomic Design–based component systems
• Server-Driven UI
• Backend-for-Frontend (BFF) APIs
• Collaborate with Product, UX, Mobile, Integration, and Platform teams to ensure cohesive end-to-end solutions.
• Handson Development
• Integration & Platform Development
• Cloud & DevOps
• Performance, Security & Quality
• Innovation & Continuous Improvement

Minimum Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 6+ years of experience in application development for eCommerce platforms (B2B and/or B2C).
• Strong hands-on experience with modern JavaScript frameworks such as React and Next.js.
• Experience designing and developing modular UI architectures and API-driven systems.
• Experience building and integrating RESTful APIs and/or GraphQL services.
• Strong understanding of core eCommerce concepts and workflows.
• Experience with cloud platforms such as Azure or AWS.
• Familiarity with DevOps 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.

Preferred Qualifications

• 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).