Role Description Billee's billing platform processes utility charges for thousands of multifamily properties across the country. This role exists to keep that platform stable, responsive, and moving forward. - Work across two codebases: legacy .NET 4.8 platform (WebForms/MVC) and a newer .NET 8 API layer. - Diagnose production issues, ship bug fixes, implement feature enhancements, and develop REST APIs. - Focus on production reliability and untangling complex systems. - Collaborate with senior architects and a 10-person team. Qualifications - 8+ years of backend development experience in the .NET ecosystem. - Strong command of C# and ASP.NET. - Experience with relational databases, including SQL Server, PostgreSQL, or MySQL. - Demonstrated experience maintaining and enhancing production applications at scale. - Strong debugging and troubleshooting skills in production environments. - Experience with multi-tenant SaaS platforms. - Clear written and verbal communication skills, with the ability to collaborate across a distributed engineering team. Requirements - Comfortable in legacy systems, including .NET 4.8 and WebForms. - Production-minded, treating system stability as a core responsibility. - Builds with the whole system in mind, considering how changes affect integrations or data integrity. - Self-directed, able to take an issue from description to resolution. - Collaborative without friction, contributing to architecture discussions and providing useful code review feedback. - Detail-oriented, ensuring accuracy in billing software. Benefits - Health, dental, and vision insurance. - 401(k). - Paid time off and flexible work arrangements. - Professional development opportunities. - Opportunity for earned equity.

• Build scalable, testable backend solutions independently from requirements through to production deployment • Own services end-to-end and guide complex features through the full development lifecycle • Integrate third-party services according to business and technical requirements • Collaborate closely with Backend, Frontend, QA, and Infrastructure teams • Contribute to architecture discussions and help shape the technical roadmap • Mentor team members on best practices, troubleshooting, and system design • Monitor, profile, and optimise application and database performance • Design and execute high-load performance testing scenarios • Work on complex SQL tasks and performance optimisation using PostgreSQL • Handle large-scale datasets with a focus on scalability and reliability • Troubleshoot production issues using logs, metrics, alerts, and monitoring tools

• Design, develop, and maintain scalable applications and services for our marketing, data processing, and consumer-facing web platforms • Build solutions supporting major automotive OEM programs and hundreds of dealership clients nationwide • Collaborate with executive leadership, product owners, business stakeholders, and engineering teams to architect and deliver innovative solutions • Research, prototype, and implement new technologies, proof-of-concepts, and platform enhancements • Influence product direction, APIs, and technical standards through practical engineering expertise • Lead projects from concept through deployment with a strong sense of ownership and accountability • Continuously identify opportunities to improve platform performance, scalability, reliability, and developer efficiency • Troubleshoot and resolve complex technical issues across distributed systems and production environments • Mentor and guide other developers through code reviews, technical discussions, and best practices • Participate in modern CI/CD and automated deployment workflows • Leverage AI-assisted development tools and workflows to improve engineering productivity, code quality, testing, and operational efficiency

• Design, develop, and maintain scalable applications and services for our marketing, data processing, and consumer-facing web platforms • Build solutions supporting major automotive OEM programs and hundreds of dealership clients nationwide • Collaborate with executive leadership, product owners, business stakeholders, and engineering teams to architect and deliver innovative solutions • Research, prototype, and implement new technologies, proof-of-concepts, and platform enhancements • Influence product direction, APIs, and technical standards through practical engineering expertise • Lead projects from concept through deployment with a strong sense of ownership and accountability • Continuously identify opportunities to improve platform performance, scalability, reliability, and developer efficiency • Troubleshoot and resolve complex technical issues across distributed systems and production environments • Mentor and guide other developers through code reviews, technical discussions, and best practices • Participate in modern CI/CD and automated deployment workflows • Leverage AI-assisted development tools and workflows to improve engineering productivity, code quality, testing, and operational efficiency