3Core Systems, Inc., a SAP and Success Factors partner, seeks a Lead Java Software Engineer focused on AWS-based microservices. The role is based in Chicago, IL with hybrid onsite participation.
This long-term contract role requires 10+ years of software engineering experience and strong leadership in RESTful API development with Java 21 and Spring Boot. You will design enterprise APIs, lead architecture decisions, and drive secure integrations using OAuth 2.0/JWT while coordinating with
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