Senior Software Engineer, Identity

Zeta Global

9d•$150,000 - $180,000

About The Position

The Identity team operates the critical backend services powering the Zeta Identity Graph. How do you engineer distributed architectures to manage a profile store running in several terabytes while maintaining single-digit millisecond latencies for billions of monthly events? We seek an innovative Senior Software Engineer to help navigate this exact scale, driving a multi-year roadmap to optimize our existing systems and architect our next-generation platform.

Requirements

5+ years of experience in backend and/or data engineering at enterprise scale.
Strong programming skills in Python, Java, or Scala, with expertise in 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, etc.).

Nice To Haves

Experience designing multi-tenant distributed systems or real-time streaming frameworks (Flink/Storm).
Knowledge of open table formats (Iceberg, Hudi, Delta Lake) and security/privacy frameworks.

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.