OverviewHow You'll Make an ImpactWe 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 backend development, maintaining alignment to our quality processes, contributing to component development, and collaborating with the rest of the team for cross-team functionality.
ResponsibilitiesAdditional 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 solve critical production issues across the entire stack.
- Collaborate in designing solutions using both backend and frontend technologies.
What You'll Achieve- Deliver high-performance, low-latency software solutions for our platform.
- Enhance 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.
QualificationsWho You Are:- 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 TypeScript 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.
Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice.
Base Salary: $88,900.00 - $189,800.00
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.
The application deadline for this job posting is 06/16/2026.
Additional Information 
