Senior Software Engineer

<img src="https://we-work-remotely.imgix.net/logos/0171/5755/logo.gif?ixlib=rails-4.0.0&w=50&h=50&dpr=2&fit=fill&auto=compress" /> <p> <strong>Headquarters:</strong> Remote <br /><strong>URL:</strong> <a href="https://retr.app/">https://retr.app/</a> </p> <p class="MsoNormal"><strong>Why this role matters right now</strong></p> <p class="MsoNormal">RETR is a bootstrapped, profitable B2B SaaS company. We're growing fast with a team of twelve. No investors, no burn, no VC-driven headcount ramp. Just customers who pay, expand, and stay.</p> <p class="MsoNormal">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.</p> <p class="MsoNormal">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.</p> <p class="MsoNormal"><strong>What you'll do</strong></p> <ul> <li class="MsoNormal">Design, develop, and maintain scalable ASP.NET Core applications and REST APIs across a layered (WebUI → Services → Repositories → NHibernate → SQL Server) architecture</li> <li class="MsoNormal">Collaborate with product managers, designers, and engineers to define requirements and technical specifications</li> <li class="MsoNormal">Lead architecture discussions and contribute to decisions on scalability, performance, and system design</li> <li class="MsoNormal">Build and maintain background jobs with Hangfire, integrations with Stripe, Twilio, SendGrid, and Azure services</li> <li class="MsoNormal">Troubleshoot and resolve complex technical issues in production and development environments</li> <li class="MsoNormal">Participate in Agile development</li> <li class="MsoNormal">Stay current on emerging technologies and evaluate their potential impact on the platform</li> </ul> <p class="MsoNormal"><strong>The team</strong></p> <p class="MsoNormal">Three engineers total. You'll report t