Sr. Backend Engineer

Kelly Services • New York, NY • Posted June 13, 2026

About the Role

$200000 - $250000
A high-growth, performance-driven technology company focused on sleep fitness is looking for a Senior Software Engineer to help expand product capabilities and scale its backend systems. The team builds advanced hardware, software, and AI technology to deliver personalized, data-driven sleep experiences to users worldwide.

In this role, you will work on distributed backend systems that power critical business logic and enable communication across embedded, machine learning, mobile, and business intelligence systems. **Responsibilities**

+ Maintain and improve large-scale data processing pipelines
+ Develop tools to ensure availability and automation of 30 microservices
+ Build and enhance backend services and product features
+ Design and support distributed systems that impact the end-user experience
+ Collaborate across engineering teams including mobile, ML, and embedded systems

**Required Qualifications**

+ 8+ ye...