Senior Backend Engineer — Microservices & Scalable SaaS

ClassPass; United States; On-site; USD 151,000 - 200,000; Full time

Job summary

Playlist is seeking a senior backend engineer to build and evolve our backend systems powering a large-scale SaaS platform. You will partner with Product, Design, and QA to turn ideas into reliable, scalable production services in a mixed stack (Java/Kotlin/C#) with a strong emphasis on observability and maintainability.

You will design robust services, promote testing, and drive architectural decisions across microservices.

Qualifications

• Senior-level experience (8+ years) building and operating backend systems for large-scale SaaS platforms.
• Proficiency in Java, Kotlin, C#, with comfort in a mixed stack.
• Experience architecting backend services in a microservices environment.
• Familiarity with monitoring tools like New Relic or Kibana.
• Strong SQL and relational database skills with performance focus.
• Solid understanding of SDLC, design patterns, and Agile methodologies.
• Clear communicator who collaborates across roles and styles.
• Driven to deliver meaningful solutions and mentor others.

Responsibilities

• Partner with Product, Design, and QA to deliver features from ideation through deployment.
• Design and develop backend services and APIs that are robust and maintainable.
• Promote engineering excellence through automated testing, code reviews, and monitoring.
• Drive simplicity by removing unnecessary complexity while ensuring reliability and quality.
• Contribute to architecture decisions and shape microservice interactions.
• Strengthen operational health by identifying risks and improving observability.
• Lead with curiosity, seek feedback, and mentor teammates.
• Help foster a collaborative team culture with autonomy and accountability.

Skills

Java

Kotlin

C#

Backend systems

Microservices

SQL

Relational databases

Agile methodologies

Tools

New Relic

Kibana

Job description

Playlist is seeking a senior backend engineer to build and evolve our backend systems powering a large-scale SaaS platform. You will partner with Product, Design, and QA to turn ideas into reliable, scalable production services in a mixed stack (Java/Kotlin/C#) with a strong emphasis on observability and maintainability.

You will design robust services, promote testing, and drive architectural decisions across microservices.