Java Full Stack EngineerExperience: 8+ Years Location: Lehi, UT / San Francisco, CA Remote$60 to $65 hr C2CJob Summary:We are seeking a highly skilled Java Full Stack Engineer to join our Payments Engineering Team. This team is responsible for the financial backbone of employer-sponsored health benefits — building systems that manage the full lifecycle from invoicing to auditing to payments. You will design, develop, and optimize large-scale applications and cloud-native services handling billions of dollars in transactions, contributing to a secure, reliable, and scalable payment infrastructure.Key Responsibilities:Participate in the design and development of the payments platform.Build robust and scalable software systems for managing high-volume financial transactions.Engage in team-based projects, from understanding customer challenges to proposing and implementing innovative solutions.Contribute to architecture design, developing and implementing reusable patterns for cloud-native backend systems.Partner with cross-functional teams to enhance overall architecture, performance, and developer experience.Actively adopt and promote AI-powered development tools (e.g., GitHub Copilot, Cursor) to enhance productivity and innovation.Technical Skills & Qualifications:Experience: Minimum of 8+ years as a full-stack engineer.Backend: Strong proficiency in Java, Spring Boot, and Spring Cloud with a solid understanding of microservices architecture.Frontend: Experience developing UI components and features using React.js with GraphQL integrations.Database: Expertise in SQL/PostgreSQL and designing data-intensive applications.Architecture: Strong foundation in data architecture, distributed systems, and scalable design.AI Development Tools: Hands-on experience with AI-enhanced coding tools such as GitHub Copilot, Cursor, or WindSurf.Systems Engineering: Proven experience building, launching, and maintaining complex enterprise systems in production environments.Preferred Attributes:Deep understanding of payment systems or fintech domain is a plus.Exposure to cloud-native platforms (AWS, GCP, or Azure).Strong problem-solving and analytical skills.A collaborative mindset with the ability to work effectively in cross-functional, agile teams.Passionate about innovation, clean code, and emerging technologies.