Perpay
Senior Software Engineer, Backend
$160K
Philadelphia, Pennsylvania, United States · Senior · Full-time · Posted Apr 23, 2026
- Experience
- 5+ years building web applications at scale; 2+ years leading technical teams and large, complex projects.
About the job
Design, build, and operate reliable backend systems and APIs for Perpay’s financial products, while contributing to architecture, mentoring, and cross-functional delivery.
What you'll do
- Design RESTful APIs and make data-modeling decisions for relational databases.
- Improve backend reliability, observability, and operations; diagnose production issues across services.
- Contribute to architecture, infrastructure-as-code, and CI/CD, and partner with product stakeholders on backend features.
What they ask for
- 5+ years building web applications at scale with a modern language or framework.
- 2+ years leading technical teams and large, complex projects.
- Deep understanding of relational databases, query optimization, indexing, and schema evolution.
- Experience operating production systems in a large cloud provider; familiarity with Docker, Kubernetes, background jobs/message queues, caching, and monitoring/observability tooling.
Pay
USD 160k into the 200’s (base salary)
Tools
Javascript, React, React Native, Redux, Python, Django, Flask, Kubernetes
Model-written summary · the original posting is authoritative