Senior Software Engineer

Epsilon • New York, New York • Posted June 12, 2026

About the Role

Overview
Epsilon is looking for a Senior Software Engineer to help build and enhance core capabilities for Epsilon Clean Room, our privacy-first data collaboration platform. In this role, you will contribute as a strong individual contributor, partner with product, architecture, and engineering teams, and develop scalable solutions that enable secure, data-rich collaboration for enterprise clients.

Responsibilities
What You'll Do
  • Build and maintain cloud-native data platform features on AWS using REST APIs, microservices, and event-driven applications to support scalable and resilient systems.
  • Work hands-on across the technology stack, including Node.js, TypeScript, JavaScript, Express.js, AWS services, event-driven architecture, and SQL/NoSQL databases, to deliver high-quality software solutions.
  • Collaborate with engineering, product management, and architecture teams to translate requir...