Software Engineer III

ClassPass is a company focused on connecting people with inspiring experiences in fitness, wellness, and beyond. The role involves building and maintaining performant backend systems, partnering with various teams to bring features to life, and championing engineering best practices while mentoring others in a collaborative culture.

Responsibilities:

• Build and maintain performant backend systems and applications that drive real-world experiences
• Partner with Product, Design, and QA 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 elegant design
• Lead and influence architecture decisions that prioritize scalability and simplicity
• Seek feedback, iterate fast, and balance innovation with reliability
• Approach development with empathy—understanding how your work supports both our partners and their communities
• Mentor others and help foster a collaborative, inclusive engineering culture

Requirements:

• Senior-level experience developing large-scale SaaS applications
• Proficiency with languages like Kotlin, Java, .NET, C#, Typescript, or Javascript
• Experience designing APIs and working with microservice architecture
• Familiarity with observability tools like New Relic or Kibana
• Deep understanding of SQL and relational databases
• An agile mindset and a strong grasp of software development lifecycle practices
• Ability to navigate complexity, assess tradeoffs, and execute with confidence
• Excellent communicator who brings others along and helps ideas stick