Senior Software Engineer

Fully Remote Position

Preferred Locations:
Midwest based;
Indianapolis, IN or IL, Chicagoland Area preferred

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

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.

• 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

• 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 Dev Ops
• Experience with testing frameworks (NUnit, MSTest, Playwright, etc.)

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

• 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