This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr. Software Engineer, Fullstack based in United States. This role is an opportunity for an experienced full-stack engineer to build scalable, cloud-based SaaS solutions that impact millions of employees worldwide.You will design, develop, and improve multi-tenant applications with a strong focus on reliability, performance, and elegant architecture.The position combines hands-on engineering excellence with technical leadership, enabling you to influence best practices and mentor other engineers.You will work across frontend, backend, and data layers while collaborating closely with product, design, and engineering teams.This opportunity is ideal for a curious and adaptable engineer who enjoys solving complex technical challenges in a fast-paced environment.You will help shape the future of workplace technology by creating intuitive, secure, and high-performing products.