Sr. Software Engineer (Node.js/React)

We are seeking a Senior Full Stack Engineer to join an enterprise engineering team responsible for building and modernizing scalable applications and APIs. This position will be approximately 70% backend and 30% frontend, with a strong emphasis on Node.js, API development, AWS, and application architecture. The ideal candidate is a senior-level engineer who can not only write high-quality code, but also understand the broader architecture behind an application, contribute to design decisions, review code, and help guide technical conversations across the team. Responsibilities

• Design, develop, and support enterprise-scale APIs and backend services, primarily using Node.js
• Build integrations across SQL and NoSQL databases and other enterprise systems
• Develop and maintain cloud-based solutions leveraging AWS Lambda, API Gateway, and S3
• Contribute to frontend application development using React and/or Angular
• Work within existing environments that may include legacy Java services and applications
• Participate in system design and architecture discussions, helping evaluate technical approaches and trade-offs
• Build and deploy applications through CI/CD pipelines
• Conduct code reviews and promote strong engineering and development practices
• Troubleshoot complex application, API, and integration issues across the stack
• Collaborate with engineers, architects, product teams, and other stakeholders to deliver scalable solutions
• Provide technical guidance and mentorship to other engineers when needed

• Strong full stack engineering experience, particularly backend focused with Node.js (React/Angular on the frontend)
• Strong API development and integration experience, including working with both SQL and NoSQL databases
• Deep cloud-native AWS expertise, with hands-on experience across Lambda, API Gateway, S3, and more.
• Strong understanding of application architecture and system design, with the ability to explain technical and architectural decisions beyond the surface level
• Experience deploying applications through CI/CD pipelines and working in continuous delivery/deployment environments
• Ability to participate in code reviews, architectural discussions, technical design, and engineering best practices
• Strong communication skills and ability to provide technical guidance/leadership within an engineering team
• Exposure to Java backend environments is helpful, particularly working with or integrating into legacy applications eCommerce experience
• Experience with complex eCommerce business logic, such as tax, pricing, checkout, payments, or order processing
• Zephyr We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances.