Software Engineer, Full Stack Developer

Overview

At Epsilon, we do more than collect and store data. We help some of the world’s biggest brands discover real opportunities inside the data types, delimiters and decimals.

We’re looking for an experienced Software Engineer to help us build innovative and secure data solutions for social media, search, and digital ads within a Big Data environment. In this role, you will use best‑in‑class engineering approaches and secure data management practices to help process terabytes of data each week, while solving difficult problems using predictive analytics and cutting‑edge technologies.

• Build and maintain complex data solutions for high-volume applications, including new systems.
• Create reusable outputs and processes as you implement each solution.
• Ensure test coverage in support of our continuous integration environment and to drive code quality.
• Use agile and Dev Ops methodologies to help drive continuous improvement.
• Work with the following technology stack:
  Java, Spring, Hibernate, Scala, Spark, Hadoop, Git, HBase, Unix, Docker, Maven, Ansible, Postgres, and migration to AWS is expected downstream. Experience with all is not required, with required experience detailed in sections below.

• What you’ll bring with you:
  • B.S. in Computer Science, Computer Engineering, or a similarly related field.
  • Strong development practices with prior experience writing and testing code.
  • At least two or three years of experience using Java to build applications.
  • Hands‑on experience working in a Unix environment is a must, including writing Unix Shell Scripts.
  • Professional exposure with Spring framework, Hibernate, Maven and Git is required.
  • Experience with SQL and relational database environments is required.
  • Owns a problem to the end, but also proud to share in team’s success.
  • Able to do your best work in a team setting and autonomously.
  • Wants to grow a career with a great company.
• Why you might stand out from other talent:
  • Experience with Hadoop, Spark, and Scala is a plus.
  • Experience with Docker and Kubernetes is a plus.
  • Experience with AWS is a plus.
  • Experience with data modeling, data warehousing, and building ETL pipelines is a plus.
  • Knowledge of software engineering best practices across the development lifecycle, including agile methodologies, coding standards, code reviews, source management, build processes, testing, and operations is a plus.
  • Familiarity with Angular framework, HTML and JavaScript is a plus.

• Base Salary: $73,500.00 - $ annually
• 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.
• Final date to receive applications: 07/13/2026.
• 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 benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling

Epsilon is an Equal Opportunity 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  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 , commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.