Kforce has a client that is seeking a Senior Full Stack Engineer in Irvine, CA. Responsibilities: * Senior Full Stack Engineer will design and implement new features for payment processing on our cross-platform ecommerce system, including integrations with third party payment providers * Collaborate with multiple development teams ensuring proper designs and integrations * Implement, maintain, and own infrastructure * As a Senior Full Stack Engineer, you will monitor, optimize, and troubleshoot performance across all tiers * Perform research to acquire new knowledge necessary to perform tasks and maintain a process of technological evolution