Senior Software Engineer

ClassPass

Senior Software Engineer developing and evolving backend systems at ClassPass. Collaborating with cross-functional teams to ensure reliable and scalable solutions.

Posted 4/16/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $151,000 - $200,000 per yearWebsite

Tech Stack

Tools & technologies

JavaKotlinMicroservicesSDLCSQL

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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
Experience architecting and designing backend services in a microservices environment
Familiarity with monitoring tools like New Relic or Kibana, and a proactive approach to identifying and mitigating system risks
Solid understanding of SDLC, design patterns, and Agile methodologies
Strong SQL and relational database skills, with attention to performance and maintainability
Clear communicator who collaborates effectively across roles and working styles
Motivation to deliver meaningful solutions, keep learning, and support others’ growth.

Benefits

Comp & perks

Performance bonus
Health insurance
Flexible working hours
Paid time off
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaKotlinC#microservicesbackend servicesAPIsSQLrelational databasesSDLCAgile methodologies

Soft Skills

clear communicatorcollaborativecuriositymentoringautonomyaccountabilityimpactfeedbacklearningsupporting growth