Classpass Senior Software Engineer - Backend at ClassPass responsible for building and evolving backend systems powering the platform. Partner with cross-functional teams to deliver reliable, scalable features.
Responsibilities
You’ll help build and evolve the backend systems that power ClassPass, partnering closely with Product, Design, and QA to take ideas from concept to production in a way that’s reliable, scalable, and grounded in real customer needs.
Partner with Product, Design, and QA to deliver features from ideation through deployment, iterating based on feedback and outcomes
Design and develop backend services and APIs that are robust, maintainable, and easy to work with
Promote engineering excellence through automated testing, thoughtful code reviews, and effective monitoring
Drive simplicity by reducing unnecessary complexity while maintaining reliability and quality
Contribute to architecture decisions and help shape how microservices interact across a growing service-oriented ecosystem
Strengthen operational health by identifying risks early and improving observability and resilience over time
Lead with curiosity by seeking feedback, learning from diverse perspectives, and mentoring teammates
Help foster a collaborative team culture that values autonomy, accountability, and impact
The Experience You’ll Bring
Senior-level experience (8+ years) building and operating backend systems for large-scale SaaS platforms
Proficiency in object-oriented languages such as Java, Kotlin, C#, and comfort working in a mixed stack
Qualification
Solid understanding of SDLC
Required
8+ years senior-level experience building and operating backend systems for large-scale SaaS platforms
Proficiency in object-oriented languages such as Java, Kotlin, C#
Experience architecting and designing backend services in microservices environment
Familiarity with monitoring tools like New Relic or Kibana
Strong SQL and relational database skills
Solid understanding of SDLC, design patterns, and Agile methodologies