DocuSign is seeking a talented Software Engineer with expertise in React and C# to join our innovative engineering team in Chicago. In this role, you will contribute to the development and enhancement of our industry-leading electronic signature and document management platform, working with cutting-edge technologies to deliver seamless digital experiences to millions of users worldwide. You will collaborate with cross-functional teams including product managers, designers, and fellow engineers to build scalable solutions that address complex business challenges in the document workflow space. As a Software Engineer, your key responsibilities will include designing, developing, and maintaining high-quality web applications using React for frontend interfaces and C# for backend services. You will write clean, efficient, and well-tested code while participating in code reviews to ensure technical excellence across the codebase. You will troubleshoot production issues, optimize application performance, and implement new features that directly impact user experience and business outcomes. Additionally, you will contribute to architectural decisions, mentor junior developers, and stay current with emerging technologies and best practices in software development. To be successful in this position, candidates must possess a bachelor's degree in computer science or a related field along with proven experience in full-stack development. Strong proficiency in React, JavaScript, TypeScript, C#, .NET framework, and SQL is essential. Candidates should demonstrate experience with RESTful APIs, cloud platforms such as Azure or AWS, and modern development tools including Git and CI/CD pipelines. Excellent problem-solving abilities, strong communication skills, and the capacity to work effectively in an agile environment are required. The ideal candidate will have expertise in building responsive user interfaces, implementing secure authentication mechanisms, and optimizing application performance. Knowledge of microservices architecture, containerization technologies like Docker, and automated testing frameworks is highly valued. Experience with document management systems or e-signature platforms is a plus but not required. DocuSign is the world's leading e-signature and agreement management platform, trusted by millions of organizations to accelerate business processes and reduce paper dependency. We foster a collaborative and inclusive workplace culture that encourages innovation, continuous learning, and professional growth. Our comprehensive benefits package includes competitive salary, health insurance, retirement savings plans, generous paid time off, and flexible work arrangements. Employees also enjoy professional development opportunities, tuition reimbursement, wellness programs, and access to cutting-edge technology tools. Career growth opportunities at DocuSign are abundant, with clear pathways for advancement into senior engineering roles, technical leadership positions, or specialized domains such as security, infrastructure, or product management. We support internal mobility and provide mentorship programs to help employees achieve their professional goals while contributing to meaningful work that impacts businesses globally.