Job Overview
We’re seeking a Lead Software Engineer to join one of our Data Layer teams. As the name implies, the Data Layer is at the core of all things data at Zeta.
Responsibilities
- Developing and maintaining the Zeta Identity Graph platform, which collects billions of behavioral, demographic, environmental, and transactional signals to power people‑based marketing.
- Ingesting vast amounts of identity and event data from our customers and partners.
- Facilitating data transfers across systems.
- Ensuring the integrity and health of our datasets.
- Building, refining, tuning, and maintaining real‑time and batch data infrastructure.
- Daily use of technologies such as Python, Spark, Airflow, Snowflake, Hive, Scylla, Django, FastAPI, etc.
- Maintaining data quality and accuracy across production data systems.
- Working with Data Engineers to optimize data models and workflows.
- Working with Data Analysts to develop ETL processes for analysis and reporting.
- Working with Product Managers to design and build data products.
- Working with our DevOps team to scale and optimize our data infrastructure.
- Participating in architecture discussions, influencing the roadmap, taking ownership and responsibility over new projects.
- Participating in on‑call rotation in respective time zones (available by phone or email when something occurs).
Qualifications
- Minimum 5 years of software engineering experience.
- Proven long‑term experience and enthusiasm for distributed data processing at scale, eagerness to learn new things.
- Expertise in designing and architecting distributed low‑latency and scalable solutions in either cloud or on‑premises environments.
- Exposure to the whole software development lifecycle from inception to production and monitoring.
- Fluency in Python or solid experience in Scala, Java.
- Proficient with relational databases and advanced SQL.
- Expert in usage of services like Spark and Hive.
- Experience with web frameworks such as Flask, Django.
- Experience in adequate usage of scheduler such as Apache Airflow, Apache Luigi, Chronos, etc.
- Experience in adequate usage of cloud services (AWS) at scale.
- Experience in agile software development processes.
- Excellent interpersonal and communication skills.
Nice to Have
- Experience with large scale / multi‑tenant distributed systems.
- Experience with columnar / NoSQL databases – Vertica, Snowflake, HBase, Scylla, Couchbase.
- Experience in real‑time streaming frameworks – Flink, Storm.
- Experience in open table formats such as Iceberg, Hudi or Delta Lake.
Company Summary
Zeta Global is a data‑powered marketing technology company with a heritage of innovation and industry leadership. Founded in 2007 by entrepreneur David A. Steinberg and John Sculley, former CEO of Apple Inc and Pepsi‑Cola, the company combines the industry’s 3rd largest proprietary data set (2.4 B+ identities) with Artificial Intelligence to unlock consumer intent, personalize experiences and help our clients drive business growth. Our technology runs on the Zeta Marketing Platform, which powers end‑to‑end marketing programs for some of the world’s leading brands. With expertise encompassing all digital marketing channels – Email, Display, Social, Search and Mobile – Zeta orchestrates acquisition and engagement programs that deliver results that are scalable, repeatable and sustainable.
Equal Employment Opportunity Statement
Zeta Global is an Equal Opportunity/Affirmative Action employer and does not discriminate on the basis of race, gender, ancestry, color, religion, sex, age, marital status, sexual orientation, gender identity, national origin, medical condition, disability, veteran status, or any other basis protected by law. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Zeta considers applicants for employment without regard to, and does not discriminate on the basis of, an individual’s sex, race, color, religion, age, disability, status as a veteran, or national or ethnic origin, or any other basis protected by applicable federal, state or local law; nor does Zeta discriminate on the basis of sexual orientation or gender identity or expression.