Epsilon is building the next generation Retail Media Network (RMN) platform to power onsite advertising at scale, using services from our industry-leading platform that already serves billions of offsite ads across the open web. Our vision is a unified platform for both onsite and offsite ads, delivering low-latency, high-throughput performance across the board.
Requirements
- Strong backend expertise in Java, with experience in high-performance, distributed systems.
- Experience with streaming platforms (e.g., Kafka, Kinesis, Pulsar).
- Proficiency with relational databases (SQL) and NoSQL data stores.
- Understanding of low-latency, high-throughput architectures and clean software design principles.
- Experience building SPAs with TypeScript and modern frameworks (Angular, React, or similar).
- Familiarity with cloud-native environments (AWS, Kubernetes, Docker).
- Experience with large-scale event tracking, data pipelines.
Responsibilities
- Design, implement, and maintain high-performance, low-latency services for advertising.
- Collaborate with product, platform, and operations teams to integrate new capabilities into the platform.
- Optimize system performance, fix production issues, and eliminate bottlenecks across the stack.
- Contribute to frontend integrations (SPAs, dashboards, tools) when needed, ensuring seamless workflows for internal and external users.
- Partner with data engineering teams to design and integrate event tracking, analytics, and reporting pipelines.
- Champion code quality, testing standard processes, and CI/CD automation.
- Deliver critically important enhancements enabling fast, accurate, and scalable ad delivery.
Other
- 6+ years of experience in backend and/or full stack software development.
- Bachelor’s degree in Computer Science or related field (or equivalent experience).
- Master’s degree or 10+ years software engineering experience.
- Experience in ad tech, especially ad serving, RTB, or programmatic platforms.
- Self-starter mindset who thrives with minimal direction, can quickly grasp business and technical goals, and takes ownership from concept through delivery.
