This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead and Principal Java Engineer based in the United States. The Lead and Principal Java Engineer will drive the design and delivery of complex enterprise software solutions while remaining actively involved in hands-on development. This contract opportunity is suited to experienced engineering professionals who combine deep Java expertise with strong architectural judgment and technical leadership. You will guide the development of scalable, secure, and maintainable applications, including microservices, distributed systems, and cloud-native platforms. Working closely with engineering, product, and business stakeholders, you will translate business needs into robust technical strategies and implementation plans. The role spans the software development lifecycle, from architecture and design through coding, code reviews, testing, and production delivery. You will also mentor engineers, promote engineering best practices, and help teams navigate modernization initiatives and complex technical challenges. This remote opportunity offers the chance to contribute to enterprise-scale and mission-critical systems across a range of technical environments.