Senior Software Engineer at RETR

Headquarters: Remote URL: https://retr.app/ Why this role matters right now RETR is a bootstrapped, profitable B2B SaaS company. We passed $10M ARR and growing with a team of twelve. No investors, no burn, no VC-driven headcount ramp. Just customers who pay, expand, and stay. We're building the "Carfax for mortgage and real estate." RETR is the data intelligence layer that mortgage professionals use to find and win real estate agent referral partnerships. This is the third engineering hire on a small team. What you build ships. What you own affects revenue that same month, not the fiscal year. What you'll do Design, develop, and maintain scalable ASP.NET Core applications and REST APIs across a layered (WebUI → Services → Repositories → NHibernate → SQL Server) architecture Collaborate with product managers, designers, and engineers to define requirements and technical specifications Lead architecture discussions and contribute to decisions on scalability, performance, and system desig