Remote Principal Software Engineer Lead Java Microservices

ZipStaff Inc. is looking for a hands-on Principal Software Engineer to lead design and delivery of scalable microservices for a healthcare analytics organization. You will architect Java/Spring Boot services, optimize high-throughput SQL workloads, own Kafka pipelines, and mentor 4-8 engineers. This remote, contract (W2 through ZipStaff) role requires 10+ years of production-grade software experience, strong leadership, and the ability to drive delivery while contributing production code.