Sr. Software Engineer - Aurora, NE

Description About the role We are hiring a Senior Software Engineer to work on our core business platform the system that runs settlements, payments, invoices, contracts, inventory, and related operations for a large agricultural cooperative. This is a hybrid IC role: you will deliver product features and fixes alongside work that improves how we build and ship automated testing, CI/CD, reliability, security hygiene, and day-to-day engineering quality. Much of the work is in a long-lived production codebase: you will change existing behavior carefully, refactor toward testability, and leave the next person in a better place. You will partner with existing engineers and an external engineering partner, use AI-assisted development as a standard part of your workflow, and help raise the bar for how the team ships. What you will do - Design, build, and maintain features across the .NET stack (C#, desktop and service layers) and SQL Server, including business logic that lives in stored procedures - Refactor existing C# and SQL as you go characterize current behavior with tests, improve structure incrementally, and avoid big-bang rewrites - Own work end-to-end: understand the business path, implement the change, add automated coverage, and see it through review and release - Strengthen delivery: improve build/test pipelines, migration safety, and the practices that make small, frequent changes the default - Grow automated tests on high-value paths (unit, SQL/integration, API) so confidence comes from the pipeline, not from babysitting releases - Contribute to Azure-hosted services and supporting infrastructure with a security- and operations-aware mindset - Use AI coding assistants daily for implementation, review, tests, and investigation and help the team adopt effective patterns - Collaborate with employees and external engineering partners; mentor peers through clear design, review, and documentation of important decisions What we are looking for Required - 7+ years professional software development experience, including substantial C# / .NET - Strong T-SQL and SQL Server experience; comfortable reading and changing complex stored procedures and data models - Experience with CI/CD (Azure DevOps preferred) and a habit of shipping behind automated checks - Working knowledge of Azure services commonly used with .NET applications - Experience owning and refactoring large existing production codebases, not only building new services - Proven practice writing automated tests and improving coverage on systems that already run in production - Fluency with AI-assisted software development (e.g. Cursor, Copilot, Claude Code, Codex, or equivalent) as a core part of how you work not an occasional experiment - Ability to work hybrid and collaborate effectively with a distributed team - Must be able to attend occasional in-person meetings in our Omaha office, our headquarters in Aurora, Nebraska, and make occasional trips to other offices as needed Preferred - Background in ERP, accounting, payments, inventory, or other financial / transactional systems - Experience with WinForms, WCF, Service Fabric, or similar enterprise desktop/service architectures - Exposure to infrastructure-as-code, application security hardening, or observability (logging, metrics, alerts) - Agricultural, commodity, or cooperative industry experience Success in the first year looks like - You are a trusted owner on meaningful product work and on platform improvements that make delivery safer and faster - High-value paths have better automated coverage, and merges rely on required checks rather than hope - Peers can pick up areas you touch; important behavior is captured in tests and documentation - AI-assisted development is part of how the team ships, with clear habits around review and verification Benefits Competitive wa es Medical (PPO and High-Deductible plans), Dental, and Vision insurance Flexible/HSA Spending Plans