**Overview**

**About Epsilon**

At Epsilon, we build advanced software solutions and intelligent data platforms that help global brands unlock value at scale. We operate at the intersection of cloud, data engineering, and high‑performance backend systems.

**Why This Role**

We are a small engineering team and are hiring a **Staff Software Engineer** to be a **force multiplier** —someone who can materially raise technical standards, improve delivery momentum, and lead complex engineering efforts through hands‑on execution and influence.

This is a **Staff‑level individual contributor role** : no people management, but significant ownership, architectural responsibility, and team impact.

**What You’ll Do**

+ Own the **architecture and delivery** of high‑performance backend services and REST APIs (Java), from design through production.
+ Design, build, and optimize **data‑intensive systems** , including Spark workloads ...