Kforce has a client in Seattle, WA that is seeking a Software Development Engineer. This is an opportunity to shape the future of our technology while working with cutting-edge tools and frameworks. Summary: We are looking for a Software Development Engineer to join our high-throughput communications platform that delivers millions of personalized messages at scale. Your solutions will impact our customers directly! Primary responsibilities include leading the migration of critical services from Java 8 to Java 21, designing and developing scalable solutions for both front-end and back-end systems that support mobile, web, and email communications. Responsibilities also include collaborating cross-functionally with product managers, scientists, and engineers to deliver high-quality solutions and helping scale our platform to meet growing business demands.