Lead Software Engineer

Overview

How You’ll Make an Impact:
As a Lead Software Engineer on the Epsilon People Cloud Discovery platform, you will help power data-driven marketing at massive scale. You will design, build, and optimize the core software, data pipelines, and APIs that enable deep audience insights, advanced analytics, and digital activation across millions of consumers.

Your work will directly influence the reliability, scalability, and performance of Epsilon’s data and analytics platform, helping teams transform large, complex datasets into actionable intelligence while upholding privacy-by-design principles.

• Design, develop, and maintain high-quality, production-ready software components supporting the Epsilon People Cloud platform
• Expand and optimize distributed architectures, data flows, APIs, and infrastructure to support large-scale analytics workloads
• Lead the development of new features and components that generate insights from large datasets using Databricks
• Partner closely with product, engineering leadership, and cross-functional teams to plan, build, and deploy new capabilities
• Improve system reliability, automation, and operational efficiency by identifying and eliminating technical redundancies
• Drive architectural evaluations and technical discussions with internal and external partners
• Mentor and guide a small team of engineers through hands‑on leadership, code reviews, and technical collaboration

• Bachelors or Masters degree in Computer Science or Related Field.
• 8+ years of hands‑on experience in software engineering or data engineering, working on complex, distributed systems
• Strong proficiency in at least one modern programming language, preferably Python, Java, or Scala
• Solid experience with cloud platforms such as AWS, Azure, or GCP
• Deep understanding of distributed computing, scalability, and software architecture principles
• Strong SQL skills with experience in data warehousing, data streaming, and relational databases
• Hands‑on experience with Databricks technologies, Delta Lake, Unity Catalog, Workflows, and Live Tables
• Experience with Infrastructure as Code tools such as Terraform or Ansible
• Familiarity with Dev Ops practices, CI/CD pipelines, and Test‑Driven Development
• Experience working in agile, global scrum teams
• Strong communication skills and the ability to operate effectively under tight deadlines

• Experience leading technical initiatives and mentoring engineers while remaining deeply hands‑on
• A track record of designing and tuning high-performance systems using strong data structures and algorithms
• Experience building and operating large‑scale data platforms in cloud‑native environments
• Exposure to AI and advanced analytics concepts applied to real‑world data problems
• Passion for improving engineering standards, automation, and platform reliability
• Comfort influencing architecture and technical direction across teams without formal people‑management responsibility

Base Salary: $119,600 - $222,000

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.

• 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.