Senior Software Engineer - Hosted Web (Remote)

Mindbody is a company that equips wellness entrepreneurs with technology to support thriving businesses and create exceptional experiences. The Senior Software Engineer will join the Hosted Web team, building experiences that power booking and purchasing for thousands of businesses, while championing engineering best practices and leading architectural decisions.

Responsibilities:

• Build and maintain performant, reliable frontend systems and the server-side flows behind them
• Partner with Product, Design, Marketing to bring features to life from ideation through deployment, always iterating with the end-user in mind
• Champion engineering best practices — automated testing, peer reviews, observability, and clean, type-safe design
• Lead & influence architecture decisions that prioritize scalability and simplicity in a shared codebase
• Seek feedback, iterate fast, and balance innovation with reliability
• Debug production issues across the stack using real telemetry
• Approach development with empathy — understanding how your work supports both our partners and their communities
• Lead in AI experimentation and innovation across workflows, teams, and tech stacks
• Mentor others and help foster a collaborative, inclusive engineering culture

Requirements:

• 5+ years of Senior-level experience developing and supporting large-scale, production web applications
• Proficiency with TypeScript and modern React, including the React Server Components / server-first model
• Deep experience with Next.js (App Router) or a comparable SSR/full-stack framework — server actions, data fetching, and the client/server boundary
• Experience designing and integrating APIs, working with microservice architecture, and with owning both client and server-side code
• Experience with .NET, C#, AWS
• Understanding of SQL and relational databases
• Solid instincts for testing— unit and integration tests as a default part of the work, not an afterthought
• Proficiency with observability tools (New Relic or similar) to diagnose and resolve production issues
• Agile mindset and strong grasp of software development lifecycle practices
• Ability to navigate complexity, assess tradeoffs, and execute with confidence
• Experience using agentic development tools to raise the bar on professional engineering teams
• Excellent communicator who brings others along and helps ideas stick