8+ years of experience with .NET development, C#, ASP.NET Core, APIs, Entity Framework. Experience with REST APIs. Experience working on Commercial / ISV software products. Ability to lead technical discussions and coach engineers. Experience leading discussions with partners and 3rd party vendors. Experience building and maintaining Windows Services. Experience with message queues, background workers, scheduled jobs, and batch pipelines. Deep experience building integrations using APIs, webhooks, queuing, and polling strategies. Clear understanding of resilient distributed systems and failure patterns. Experience working with authentication models used by older systems. Experience with cloud platforms such as Azure, AWS, or GCP.