Senior Software Engineer

Fully Remote Position Preferred Locations: Midwest based; Indianapolis, IN or IL, Chicagoland Area preferred Who We Are: We are K1X. Our technology is used by the nation’s largest institutional investors, funds, and accounting firms, by bringing long- established solutions that are creating an all-digital K-1 experience. Our goal is to transform the K-1 industry by moving a traditionally analog based-process to an all-digital experience via our software solutions. Join us at the start of something exciting! Learn more at k1x.io About your Role We are seeking a Senior Software Engineer who brings strong technical skills combined with ownership, initiative, and genuine enthusiasm for building products. This role is ideal for someone who: Takes true ownership of features end-to-end Has experienced the full software lifecycle (build → deploy → maintain → iterate) Is self-directed and highly autonomous Is motivated to contribute to a growing product and company, not just complete tickets This is a hands-on, high-impact IC role where you will be one of the primary U.S.-based engineers, expected to make decisions and move quickly with minimal oversight. Your Responsibilities Design, build, and maintain full-stack applications using C#, .NET, Angular, and Azure Own features end-to-end (requirements → development → deployment → support) Break down problems into scalable, maintainable solutions Write clean, production-ready code Participate in code reviews and contribute to engineering best practices Collaborate closely with product and engineering teams Contribute to feature-level design and architecture (not just implementation) Improve CI/CD pipelines and development workflows Troubleshoot and resolve issues across distributed systems Who You Are: As the ideal candidate for this role, you possess: Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience) 4–9+ years of software development experience (flexible based on capability) Strong experience with C# and .NET Experience with modern JavaScript frameworks (Angular preferred; React/Vue acceptable) Experience building SaaS or cloud-native applications Experience with Microsoft Azure, including: Azure Service Bus Azure Functions Azure API Management Azure SQL Experience with Docker and Kubernetes Familiarity with Git, CI/CD pipelines, and Azure DevOps Experience with testing frameworks (NUnit, MSTest, Playwright, etc.) It's Truly a Match If You Have: In addition to the above, we're looking for candidates who have: Experience with PDF/document generation tools (Aspose, IronPDF, iTextSharp) Experience in tax technology, accounting software, or financial platforms Exposure to Python or AI/ML tools Experience in high-growth SaaS or startup environments What Sets This Role Apart: High Ownership: You will be one of the core U.S.-based engineers Real Impact: Direct influence on product and technical direction Growth Opportunity: Help scale a fast-growing SaaS company Autonomy: Build, ship, and own your work end-to-end Unlimited Vacation Policy + Sick Time + Holidays Paid Parental Leave Fully Remote Opportunity Healthcare Benefits and 401K Growing Startup Culture