We are seeking a Chief Java Full Stack Engineer to build and support AI-driven, agentic checkout capabilities across commerce services and UI components. You will lead backend API and microservice delivery while collaborating across time zones.
Responsibilities
- Lead architecture and delivery of backend services for commerce domains such as payment, loyalty, and promotions
- Build and maintain Java/Spring Boot microservices and REST APIs to support checkout experiences
- Design guardrails, validations, and integrations that enable AI-driven and agentic checkout flows
- Coordinate cross-functional execution while ensuring alignment during Pacific Time overlap
- Ensure scalability, reliability, compliance, and operational readiness of services
- Develop and support ReactJS front-end components needed for full stack delivery
- Apply Anthropic Claude Code in production workflows to improve delivery speed and quality

Requirements
- 7+ years Java/Spring Boot backend development experience
- Production experience building ReactJS front-end components




- Strong experience designing REST APIs and microservices
- Lead-level ownership for architecture and technical decision-making
- Commerce domain experience supporting checkout and related systems
- Cloud platform experience with GCP and/or Azure
- Practical production experience with Anthropic Claude Code
- Pacific Time overlap availability until at least 4pm PST

Nice to have
- CCA-F certification
- Additional ReactJS depth for complex UI patterns

We offer
- International projects with top brands
- Work with global teams of highly skilled, diverse peers
- Employee financial programs
- Paid time off and sick leave
- Upskilling, reskilling and certification courses
- Unlimited access to the LinkedIn Learning library and 22,000+ courses
- Integral career opportunities
- Volunteer and community involvement opportunities
- EPAM Employee Groups
- Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

📌 Chief Java Full Stack Engineer (Argentina)
🏢 EPAM Systems
📍 Argentina