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Lead Java Full Stack Engineer

Remote in Brazil, & 4 others
Java& 4 others
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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—apply now.

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