Senior Backend Engineer - Fintech & Distributed Systems

Madison-Davis; New York (NY); On-site; USD 150,000 - 210,000; Full time

Job summary

Madison-Davis, LLC is seeking a Senior Software Engineer to design and develop scalable backend infrastructure for international payments. This hands-on role focuses on distributed systems, payment workflows, APIs, and complex integrations, requiring deep backend experience in a fintech context.

The ideal candidate brings strong production experience with Python, Go, or Ruby and can work independently in a fast-moving environment, with familiarity in AWS, Terraform, and Kubernetes preferred.

Qualifications

• Senior-level hands-on backend engineering experience.
• Direct professional experience in payments or fintech.
• Strong production experience with Python, Go, or Ruby.
• Experience designing and building backend services and distributed systems.
• Experience developing APIs and complex technical integrations.
• Strong technical judgment and system-design capabilities.
• Ability to work independently and collaboratively in a fast-moving environment.
• Preferred AWS, Terraform, or Kubernetes experience.

Responsibilities

• Develop scalable backend services supporting payment infrastructure.
• Build and maintain payment orchestration and ledgering capabilities.
• Develop APIs, workflow engines, and external partner integrations.
• Design and improve production distributed systems.
• Address challenges involving reliability, scalability, and transaction processing.
• Contribute to architecture decisions and engineering improvements.
• Collaborate with engineers across backend and infrastructure functions.
• Maintain meaningful hands-on production coding responsibilities.

Skills

Python

Go

Ruby

Tools

AWS

Terraform

Kubernetes

Job description

Madison-Davis, LLC is seeking a Senior Software Engineer to design and develop scalable backend infrastructure for international payments. This hands-on role focuses on distributed systems, payment workflows, APIs, and complex integrations, requiring deep backend experience in a fintech context.

The ideal candidate brings strong production experience with Python, Go, or Ruby and can work independently in a fast-moving environment, with familiarity in AWS, Terraform, and Kubernetes preferred.