Epsilon Tech Stack

Marketing data platform unifying identity, analytics, and omnichannel activation

Advertising Services Irving, Texas 5,001–10,000 employees Public Company

Epsilon operates a sprawling marketing data and technology platform serving enterprise brands—spanning customer data platforms, clean rooms, loyalty, email, retail media, and measurement. The stack is polyglot (Node.js, Java, Scala, Spark, Hadoop, Databricks on AWS/Azure) and heavily data-infrastructure focused, yet hiring is sales-led (65 sales roles vs. 38 engineering), signaling a scaling outbound motion alongside platform consolidation. Active projects around PeopleCloud delivery, cross-selling, and vertical GTM plans confirm a land-and-expand revenue strategy.

Tech Stack 133 technologies

Core StackNode.js TypeScript Angular React Tailwind CSS Java Spring Hibernate Scala Apache Spark Hadoop Docker Maven Ansible PostgreSQL JavaScript MySQL Databricks AWS Unity Catalog Git HBase Unix HTML CSS SQL Azure Spark SQL IAM SAST+102 more

ReplacingAWS

What Epsilon Is Building

◆Challenges

Streamlining engagement delivery
Improving client satisfaction
Improving system reliability
Unified delivery model
Secure delivery of software applications
Increasing retail media revenue
Scaling analytics workloads
Resource optimization
Performance optimization
Scaling data processing solutions

▲Active Projects

Unified delivery model
Peoplecloud solution delivery to large enterprise clients
New client onboarding
Formalizing client engagement function
Digital campaigns reports
Peoplecloud discovery platform
Cross-selling and upselling initiatives
Go-to-market plans for industry verticals
Revenue operations analysts team
Enhance support processes

Hiring Activity

Steady190 roles · 75 in 30d

Department

Sales

Engineering

Marketing

Data

Support

Ops

Product

Security

Seniority

Senior

Mid

Director

Lead

Junior

Manager

Staff

Notable leadership hires: Business Development Director, Client Lead, Sales Director

Company intelligence

Find more companies like Epsilon by tech stack, pain points and active projects

Get started free

About Epsilon

Epsilon is a public marketing technology and data services company headquartered in Irving, Texas, with 5,001–10,000 employees and active hiring across 14 countries. The platform orchestrates consumer engagement for major brands across paid, owned, and earned channels using identity resolution, customer data platforms, clean rooms, digital media, retail media, email, and measurement. Core value proposition centers on unifying fragmented marketing stacks into a single customer view and execution layer. Revenue operations, client onboarding, and support-process scaling are active internal priorities, reflecting challenges in streamlining delivery and improving client satisfaction at enterprise scale.

HeadquartersIrving, Texas

Company Size5,001–10,000 employees

Hiring MarketsUnited Kingdom, United States, Mexico, Australia, South Korea, Brazil, India, France

Frequently Asked Questions

What tech stack does Epsilon use?

Epsilon's stack spans Node.js, TypeScript, React, Angular, Java, Spring, Scala, and Apache Spark for application layers, with Hadoop, HBase, PostgreSQL, MySQL, Databricks, and Spark SQL for data. Infrastructure runs on AWS and Azure with Docker, Ansible, and Git for deployment and version control.

Where is Epsilon hiring?

Epsilon is recruiting across 14 countries: United States, United Kingdom, Australia, Canada, India, Mexico, Brazil, France, Germany, Singapore, South Korea, Colombia, Peru, and United Arab Emirates.