Job Description
Overview How You’ll Make an Impact The Epsilon Activation Delivery Platform team builds the core framework and connectors powering our audience activation business
We are a small, high-impact team of engineers operating at massive scale—trillions of user events flow through our pipelines every month
By building and maintaining integrations with major advertising players (Meta, Google, Amazon) and Connected TV publishers (LG, Samsung), your work directly connects our data ecosystem to the biggest platforms in the world
Who does this role report to and who will they collaborate with on a day-to-day basis
This role reports to the Engineering Director and collaborates closely with fellow data engineers, product managers, and partner teams
You will participate in design reviews, code reviews, and the end-to-end delivery of critical business features in a highly collaborative environment
Why would a top candidate evaluating multiple opportunities want this job
Operate at True Scale: Work in a high-volume data environment where your pipelines will process and route trillions of records monthly
Work with Modern Data Tech: Get hands-on with an innovative big data stack using Spark, Scala, Python, AWS EMR, and Databricks
See Your Impact: Your code will directly enable our business to interface with the world’s largest tech, social media, and CTV platforms
Own the Solution: We are a small team, which means you will have the autonomy to take complex problems from ingestion and specification all the way through to production
What You’ll Achieve Core Contribution: Write robust, scalable, and maintainable code using Spark (Scala/Python) and SQL to build out our core framework and data pipelines
Pioneer AI-Assisted Engineering: We are on the cutting edge of AI adoption
You will leverage tools like Cursor and Amazon Q Developer to accelerate coding, debugging, and testing
You'll also actively participate in experimenting with the latest developer workflows for agentic, AI-assisted development, helping define the future of how our team builds software
Scale Integrations: Build, maintain, and optimize the high-concurrency data connectors that feed external publishers and ad networks
Optimize & Solve: Dive deep into complex data processing routines on EMR and Databricks
You will actively fix production issues, tune SQL queries, and solve for performance bottlenecks in a distributed environment
Team Mentorship & Quality: Participate in rigorous code reviews, help enforce engineering standard processes, and mentor mid-level/junior engineers to elevate the team's overall codebase
Continuous Improvement: Build and maintain automated production processing routines that fit seamlessly into our existing scheduled cloud infrastructure
Who You Are What you’ll bring with you: S. in Computer Science, Computer Engineering, or a related field. 5+ years of professional experience on a development team building and maintaining big data pipelines
Deep, hands-on expertise in Apache Spark and distributed computing concepts
Strong programming proficiency in Scala and/or Python
Fluent SQL skills with the ability to ingest complex use cases, refactor code, and tune queries for massive datasets
Proven experience working within cloud environments (AWS preferred) and managed platforms like Databricks or EMR
Ability to solve production issues autonomously and own a problem to the end
Excellent communication skills to work with internal partners, ask the right questions, and translate business
into technical solutions
Why you might stand out from other talent: Experience in the AdTech/MarTech space, specifically programmatic advertising, identity resolution, or audience activation
Familiarity with orchestration tools (e.g., Airflow)
Experience building and optimizing data integrations with external REST APIs at high concurrency
Exposure to streaming technologies (Kafka) or NoSQL databases
Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice
Base
: $98,000.00 - $182,000.00 Actual
within the range will be dependent upon, but not limited to the individual’s skills, experience,
, location and application employment laws
The
pay range is subject to change and may be modified at any time
The application deadline for this job posting is 05/26/2026
Additional Information 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
Flexibility: We’ve created a balance between work and personal life, and we encourage adaptability to solve problems creatively
Our values guide us to create value for our clients, our people and consumers
Act with integrity Work together to win together Innovate with purpose Respect all voices Empower with accountability These pillars and values are our foundation—shaping our culture, guiding our decisions, and uniting us in common purpose
Because You Matter As an Epsilon employee, you deserve perks and
that put you, your family and your finances first
Our
encompass a wide range of offerings, including but not limited to the following: Time to Recharge: Flexible time off (FTO), 15 paid holidays Time to Recover: Paid sick time Family Well-Being: Parental/new child leave, childcare & elder care assistance, adoption assistance Extra Perks: Comprehensive health coverage, 401(k), tuition assistance, commuter
, professional development, employee recognition, charitable donation matching, health coaching and counseling Epsilon
are subject to eligibility
and other terms
Epsilon is an
Employer
Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law
Epsilon also prohibits harassment of applicants and employees based on any of these protected categories
Epsilon will provide accommodations to applicants needing accommodations to complete the application process
Please reach out to [email protected] to request an accommodation
For San Francisco Bay and Los Angeles Areas: Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance
Applicants with criminal histories are welcome to apply. #LI-NK1