Senior Java Backend Lead — Spring Boot & Microservices

QUANTUM TECHNOLOGIES LLC is seeking a seasoned Java backend engineer in Irving, TX, to drive backend development across Spring Boot, microservices, REST APIs, and Hibernate/JPA. You will tackle multithreading, performance tuning, and design patterns while collaborating on cloud deployments (Docker/Kubernetes) and database systems (PostgreSQL, MongoDB, Cassandra). The role requires 13+ years of experience, strong leadership, and mentoring abilities, with a solid track record delivering complex