Senior Software Developer (.NET)

***W2 only*** Position:  Senior Software Developer (.NET) Work Authorization: US citizens and Greencard holders only Location: 100% Remote JOB DESCRIPTION: As a Sr. Software Developer you will be responsible for the analysis, design, development, implementation, and support of high-performance, highly scalable .NET scientific simulation platforms using leading agile development practices. This is a hands-on role that works both independently and collaboratively in a team environment. You must be a self-starter, delivery-focused, and possess a broad set of technology skills to take this complex modeling platform to the next level of usability, performance, automation, and scalability. RESPONSIBILITIES: Redeveloping our WPF UI into a new modern experience, using web technologies based on industry standards with a proven track record. Developing new customer online experiences in user portals, online distribution/delivery, licensing, help, news/announcements, etc. Supporting our path to Azure (and other cloud providers). Support our transition from .NET Framework to .NET Core. Enhancing our external and internal telemetry, online reports, and dashboards. Work directly with actuaries, experts in reinsurance, and capital modeling to develop user interfaces and APIs for advanced modeling analyses. Work with embedded QA and domain experts to design, implement, test, and support software products, tools, and applications. Meet with product users to understand their goals and the domain. Use their feedback to further improve the user experience of the modeling software. Develop high-performance applications, features, and functionality in C# / .NET using the latest standards and technologies. QUALIFICATIONS: 10+ years software development experience. Expert working knowledge of C# (7.3 9.0), .NET Framework/Core, and Visual Studio. Has a deep understanding of threading, LINQ, async/tasks, pattern matching, and pinvoke interoperability. Has the ability to architect complex code solutions that are understandable, maintainable, flexible, and expandable. Has experience with using Azure and related C# Azure packages. Have a proven ability to extract goals, ideas, and approaches from domain experts and translate them into requirements, code, UI, and applications. Experience with Protobuf and gRPC technologies. Knowledgeable of WPF/XAML and/or WinForms or Web UI frameworks. Experience Electron, Angular, Web Assembly, HTML, CSS, Typescript, JavaScript, jQuery, etc. Experience with interactive charting and graphing packages for the visual display of quantitative information. Understanding of SQL technologies and languages Has experience with Python, Kubernetes, C++, C++/CLI, and/or strong math background. Has excellent verbal and written communication skills. Demonstrates self-motivation, resourcefulness, and independent action. Experience working directly with users on an agile development team. Proven record of shipping commercial software and/or online experiences. Can work remotely and in-person. Must be able to travel (at least 4 times a year if not in Seattle).