Senior Backend Engineer — Scale Fintech APIs (Onsite Philly)

Perpay - Career's Page; Philadelphia (Philadelphia County); On-site; USD 160,000 - 200,000; Full time

Benefits offered by this job

Premium medical benefits

Unlimited PTO policy

Paid cell phone + plan

High quality catered lunch 4 days/week

Relocation assistance

Generous team member discounts

Job summary

Perpay is looking for a senior backend engineer in Philadelphia, PA, to lead backend development and ensure system reliability. The role requires 5+ years in web applications and experience in large-scale systems. Responsibilities include designing APIs and improving operational excellence. The position offers competitive compensation, premium medical benefits, and a team-oriented environment committed to diversity. This is not a remote opportunity, emphasizing onsite collaboration.

Qualifications

• 5+ years of experience building web applications at scale in at least one modern language/framework.
• 2+ years of experience leading technical teams and large, complex projects.
• Deep understanding of relational databases and query optimization.

Responsibilities

• Design and evolve RESTful APIs used by frontend and internal systems.
• Own data modeling decisions across relational databases.
• Improve reliability, observability, and operational excellence of backend systems.

Skills

Web application development

Backend system reliability

Data modeling

Production system operations

Technical team leadership

Tools

Postgres

Docker

Kubernetes

Celery

Redis

Datadog

CloudWatch

Job description

Perpay is looking for a senior backend engineer in Philadelphia, PA, to lead backend development and ensure system reliability. The role requires 5+ years in web applications and experience in large-scale systems. Responsibilities include designing APIs and improving operational excellence. The position offers competitive compensation, premium medical benefits, and a team-oriented environment committed to diversity. This is not a remote opportunity, emphasizing onsite collaboration.