We are seeking a Chief Java Engineer (AWS & Gen AI) to lead a major platform modernization with strong AWS, Java, and Generative AI expertise. You will assess the current architecture and codebase, define scalable improvements, and guide delivery across upgrades, integrations, and reporting—apply now.

Responsibilities Lead the platform-wide Java upgrade program to version 21

Decouple memory management from static servers by integrating Redis to enable autoscaling

Design and implement a dynamic load balancer that can adapt to fluctuating workloads

Modernize and revamp legacy reports built in Pentaho

Re-engineer integrations with third-party products such as OTP and Workday

Explore the existing codebase to fully understand architectural and design patterns, then propose improved solution designs

Partner with cross-functional teams to maintain architectural consistency and follow industry best practices

Apply Generative AI to enhance system capabilities and improve developer productivity

Provide technical leadership and mentorship to engineering teams throughout the modernization journey Requirements Extensive experience in software development and solution architecture, with 7+ years of hands-on work

Deep expertise in Java, including the latest versions and practical upgrade approaches (Java 21)





Solid command of AWS cloud services and cloud-native architectural patterns

Demonstrated background with Redis and autoscaling implementations

Proven ability to design and deploy dynamic load balancing solutions

Working knowledge of Generative AI technologies and their practical application within enterprise environments

Familiarity with Pentaho and contemporary approaches to report modernization

Sound understanding of integration patterns involving third-party platforms such as OTP and Workday

Ability to navigate complex codebases, analyze underlying architecture and design patterns, and devise innovative solution designs A strong blend of hands-on technical expertise and broader architectural vision

Fluency in English at B2+/C1 level (upper-intermediate/advanced) for effective communication We offer International projects with top brands

Work with general teams of highly skilled, diverse peers

Healthcare benefits

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

Global career opportunities

Volunteer and community involvement opportunities

EPAM Employee Groups

Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

📌 Chief Java Engineer (AWS & Gen AI) (Argentina)
🏢 EPAM Systems
📍 Argentina