Sr Software Engineer
Core
Senior backend or frontend engineer modernizing a 20-year-old legacy booking platform (Booker) for spas and wellness businesses using AI-driven code generation and migration.
Role type
Senior IC backend/frontend engineer (legacy modernization)
Builds
Booking and business software for spas, salons, and wellness businesses (Booker)
Domain
SaaS / Enterprise / Wellness / Booking
Deliverable
production ML models
Required skills
C#/.NET, React, AWS, Azure, CI/CD, testing, observability, AI coding tools
Preferred skills
AI-first development, legacy system modernization, high-volume transaction handling
Technologies
.NET, React, AWS, Azure, Claude
Responsibilities
Modernize legacy .NET platform and cloud services to modern architecture, design systems that write code using AI agents, review AI-generated code and specs, build and maintain high-volume booking, availability search, payments, and membership systems.
Seniority
Senior, hands-on IC
