Billee Technologies, Inc. · 1 day ago
Senior Backend .NET Developer
Dallas, TX
Full-time
Onsite
Senior Level, Lead/Staff
$140K/yr - $170K/yr
8+ years expBillee Technologies, Inc. is a Dallas-based SaaS startup revolutionizing utility billing for multifamily apartment communities. They are seeking an experienced Senior Backend .NET Developer to maintain and enhance their production billing platform, focusing on bug fixes, feature enhancements, and system reliability while supporting modernization initiatives.
Asset ManagementBillingPropTech
Responsibilities
Maintain and enhance production billing platform serving active customer base
Troubleshoot and resolve bugs across legacy .NET 4.8 application and new .NET 8 API layer
Implement feature improvements and enhancements to existing functionality
Develop new REST APIs in .NET 8 for modern JavaScript frontend
Support integrations with property management systems
Optimize system performance and resolve complex production issues
Collaborate with platform and portal teams on technical decisions
Contribute to modernization efforts led by senior architects
Apply industry best practices while respecting constraints of production systems
Qualification
Required
8-12 years of backend development experience with .NET ecosystem
Strong expertise in C# and ASP.NET
Experience with relational databases (SQL Server, PostgreSQL, MySQL, etc.)
Experience maintaining and enhancing production applications
Strong debugging and troubleshooting skills in production environments
Experience with multi-tenant SaaS platforms
Excellent analytical and problem-solving abilities
Strong team collaboration and communication skills
Preferred
Experience with .NET 8 or modern .NET Core
Experience with or willingness to learn .NET Framework 4.x and ASP.NET WebForms/MVC
PostgreSQL experience
Azure App Service and Azure infrastructure experience
Property management or billing domain knowledge
Experience with IIS and Windows-based deployments
Background in AngularJS
REST API design and development
Benefits
Health, dental, and vision insurance
401(k)
Paid time off and flexible work arrangements
Professional development opportunities
Opportunity for earned equity
Company
Billee Technologies, Inc.
Billee Technologies is a comprehensive SAAS platform built by PropTech experts for property owners, transforming utility billing through smart automation.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$9.15MKey Investors
RET Ventures
2025-07-16Seed· $9.15M
Leadership Team
John Hinckley
Chief Executive Officer
Recent News
Company data provided by crunchbase