Senior Full-Stack Engineer

Overview

How You’ll Make an Impact

We are seeking an experienced Senior Full Stack Engineer to join our Product Engineering team. This role will work on a team of engineers in all aspects of the software development lifecycle. This person will contribute significantly to both front‑end and back‑end development, maintaining alignment to our quality processes, contributing to component development, and collaborating with the rest of the team for cross‑team functionality.

Additional responsibilities include but are not limited to:

• Contribute to the implementation and maintenance of our platform code and components, spanning both frontend and backend.
• Collaborate with platform, operations, and engineering teams across the organization.
• Ensure features are well‑tested, contributing to our continuous integration environment.
• Diagnose performance bottlenecks and tackle critical production issues across the entire stack.
• Collaborate in crafting solutions using both backend and frontend technologies.

• Deliver high‑performance, low‑latency software solutions for our platform.
• Improve the platform with new technologies and techniques in both frontend and backend areas.
• Ensure robust testing and integration to maintain software quality.
• Identify and solve critical issues to maintain platform performance.

• What you’ll bring with you:
  • Bachelor’s degree in Computer Science or a related field, or equivalent experience, with 5+ years in full‑stack software development.
  • Knowledge of high‑performance software and clean architecture principles.
  • Experience with Single Page Applications (SPAs) using Type Script and Angular or other modern frameworks/technologies.
  • Strong expertise in backend development with Python or similar languages.
  • Experience working on low‑latency, high‑throughput systems.
  • Familiarity with public cloud providers and technologies like AWS, Azure, Kubernetes, and Docker.
  • Clear and honest communication are key to success in this role.
• Why you might stand out from other talent:
  • Master’s Degree in Computer Science or a related field
  • Exposure to working in the Ad Tech industry.
  • Experience launching tech products across multiple sectors.
  • Comfortable using tech platforms such as Salesforce, Eloqua, Asana, or similar.
  • Familiarity with performance metrics and KPIs to assess GTM success.

Base Salary: $88,900 - $165,500

Actual compensation within the range will be dependent upon, but not limited to the individual’s skills, experience, qualifications, location and application employment laws. The salary pay range is subject to change and may be modified at any time.

When You Join Us, We’ll Create Something EPIC Together

Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we’ve provided marketers from the world’s leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real‑time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry‑leading by Forrester, Adweek and the MRC.

Epsilon is a global company with more than 9,000 employees around the world.

Our pillars aren't just words. They're how we show up every day.

• People centricity: We focus on employee well‑being in an environment where colleagues truly care about each other.
• Collaboration: We work together, support one another, and collectively achieve goals.
• Growth: There are endless opportunities for growth through learning, development and career advancement.
• Innovation: We drive progress through cutting‑edge solutions and forward‑thinking approaches.
• Flexibilit…