Senior Identity Backend Engineer — Scale, Graph, & Equity

Zeta-Global; San Francisco (CA); On-site; USD 150,000 - 180,000; Full time

Benefits offered by this job

Unlimited PTO

Health coverage

Employee Equity

Pet Insurance

Wellness classes

Employee Discounts

Job summary

Zeta Global in San Francisco, CA, seeks a Senior Software Engineer to propel the Identity Graph backend. You will design services, manage billions of signals, and scale with Kubernetes on AWS.

Work with product and data teams to deliver identity solutions, mentor junior engineers, and help shape a multi-year roadmap while maintaining high reliability and observability across systems.

Qualifications

• 5+ years of experience in backend and/or data engineering at enterprise scale
• Strong programming skills in Python, Java, or Scala, with API design and distributed systems
• Experience with Kafka, streaming frameworks (Spark/Hive/Flink), and schedulers (Airflow/Luigi)
• Proficiency with Kubernetes (EKS) and AWS cloud deployment practices
• Knowledge of SQL, complex data modeling, and high-throughput NoSQL/columnar databases (Aerospike, Snowflake, Scylla)

Responsibilities

• Design and build backend services and APIs for identity resolution, graph transparency, and platform integrations
• Optimize event-driven pipelines processing billions of signals
• Deploy and operate cloud-native services on EKS/Kubernetes using Helm
• Ensure absolute reliability, observability, and scalability across services and data pipelines
• Collaborate with engineering, product, and data teams to deliver identity solutions and mentor junior engineers

Skills

Backend engineering

API design

Distributed systems

Python/Java/Scala

Kubernetes

AWS

Tools

Kafka

Airflow

Spark/Hive/Flink

Kubernetes (EKS)

Job description

Zeta Global in San Francisco, CA, seeks a Senior Software Engineer to propel the Identity Graph backend. You will design services, manage billions of signals, and scale with Kubernetes on AWS.

Work with product and data teams to deliver identity solutions, mentor junior engineers, and help shape a multi-year roadmap while maintaining high reliability and observability across systems.