> Markdown version of [/jobs/ext/4634273-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/4634273-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Harrington Starr - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $250,000 - $350,000 - **Contract:** Permanent contract - **Skills:** .NET Framework, C Sharp (Programming Language), Test-Driven Development (TDD) - **Published:** November 8, 2026 - **Apply:** https://www.juju.com/job/28_25304_9a8a8a9b214c8bd87b997e4358fa5f69 ## About the Role * Excellent skills and experience in C#, .NET (10+ years) * Proficiency with Test-Driven-Development (TDD) * Unrestricted right to work in the US without sponsorship ## Description * Collaborate across the business and tech team shaping the fundamental technical architecture * Building exceptional FinTech solutions setting industry standards * Engage directly with business users to transform their needs into market leading solutions