Lead Java Full Stack Engineer

We are seeking a nearshore Full Stack Lead Engineer to build and support commerce backend services and AI-driven, agentic checkout flows with strong validation and guardrails. You will collaborate across backend and frontend components while ensuring scalable, reliable, compliant delivery.

Responsibilities

• Design backend services for commerce domain systems such as payment, loyalty, and promotions
• Build REST APIs and microservices using Java and Spring Boot
• Enable AI-driven and agentic checkout flows with validations and guardrails
• Implement scalable and reliable service patterns to meet performance needs
• Ensure compliance and reliability standards across services and integrations
• Develop and maintain selected frontend components using ReactJS
• Integrate AI-assisted workflows into backend systems using Anthropic Claude Code
• Coordinate technical decisions and unblock delivery across nearshore collaboration
• Operate within required US Pacific Time overlap through 4pm PST minimum

Requirements

• 5+ years backend development experience with Java and Spring Boot
• Practical production experience with Anthropic Claude Code
• 5+ years experience building REST APIs and microservices
• Lead-level experience guiding technical decisions and delivery
• Commerce domain experience supporting payment, loyalty, promotion, or related systems
• Cloud platform experience with GCP and/or Azure
• Strong ability to overlap with US Pacific Time and cover until 4pm PST minimum
• Production experience developing front-end components with ReactJS
• Exposure to AI-assisted or agent-based workflows and backend integrations
• Adaptability and willingness to learn new tools, patterns, and technologies
• Upper-Intermediate English proficiency (B2)
• Nice to have CCA-F certification
• Apigee experience
• JavaScript backend platform experience