Senior Software Engineer

Who we are SeekWell is the parent company of 1-800 Contacts, Luna, and The Framery. Our goal is to make it simpler, easier, and more accessible for people to get the vision care they need. We maintain the legendary, award-winning culture 1-800 Contacts started almost 30 years ago and continue to develop innovative, pioneering products and businesses that make consumers cheer. We’re owned by KKR – one of the world’s largest and most successful private equity investment companies. We’ve built an excellent company and changed an industry by putting the customer first, always. The best is yet to come! Why you want this job As a Senior Backend Software Engineer at SeekWell, you'll collaborate with a team of engineers to develop, maintain, and support the backend services and internal applications that power our business. You'll work with technologies including C#, ASP.NET Core, GraphQL, and RESTful services while using AI coding agents as part of your day-to-day development process. You'll have the opportunity to independently solve technical challenges, contribute to production systems, and collaborate closely with engineers and product managers in a Kanban-based environment. What you’ll do • Develop and maintain backend platform services and internal applications, including C#, ASP.NET Core, GraphQL, and RESTful services. • Use AI coding agents as part of your daily development workflow while evaluating generated code for correctness, quality, and maintainability. • Investigate technical issues, troubleshoot production applications, and develop effective solutions. • Design, build, and maintain integrations with third-party services. • Write and maintain comprehensive automated tests to ensure application quality and reliability. • Participate in code reviews, pull requests, and CI/CD processes to support reliable production releases. • Independently deliver projects or work collaboratively with other engineers, contributing to the team's Kanban workflow and partnering with the Product Manager. • Support production systems through participation in an on-call rotation, including off-hours, weekends, and holidays. What you'll need • Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience. • 8+ years of professional software engineering experience, with strong backend development fundamentals. • Experience developing, maintaining, and supporting production applications and backend services. • Strong analytical and problem-solving skills, with the ability to investigate complex technical issues and develop effective solutions. • Experience using AI coding agents in day-to-day software development, including the ability to independently evaluate and validate their output. • Understanding of software development best practices, including automated testing, code reviews, and application quality. • Ability to independently complete projects, take ownership of your work, and contribute to the success of the broader engineering team. • Strong communication and collaboration skills, with the ability to work effectively with engineers, product managers, and other stakeholders. • Commitment to continuous learning, professional growth, and incorporating constructive feedback. • Ability to work in a flexible hybrid environment, including time in our Draper, Utah office, and participate in an on-call rotation supporting 24/7 production systems. Why we will love you • Strong hands-on experience with C# and ASP.NET Core. • Experience developing GraphQL services, particularly with Hot Chocolate GraphQL Server. • Familiarity with Azure DevOps, Azure Functions, T-SQL, AWS, containerization, or Application Insights. • Experience mentoring junior engineers and sharing technical knowledge w