Zeta Global

Principal AI/ML Engineer - AdTech

Zeta Global
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3 months ago
Remote, United StatesStaff+
H1B Sponsor

Base Salary

$300k - $400k/yr

Responsibilities

  • Lead the design and implementation of scalable, resilient ML solutions for advertising use cases.
  • Architect end-to-end ML pipelines from data ingestion and training through real-time inference for bidding, targeting, and optimization.
  • Define the AI/ML technical roadmap and evaluate emerging tools, techniques, and build-versus-buy decisions.
  • Develop AI agents, agentic workflows, LLM features, and generative AI capabilities for audience segmentation, bid adjustments, and creative generation.
  • Collaborate with engineering, product, and data science teams to translate marketing objectives into ML-driven products.
  • Optimize ML algorithms and infrastructure for high concurrency, low latency, scalability, uptime, and production reliability.
  • Mentor engineers and data scientists, review code and models, share knowledge, and promote ML engineering best practices.

Requirements

  • 10+ years of software engineering or data science experience, including 3–5 years in a principal engineer or lead ML role, preferably in AdTech or MarTech.
  • Experience designing and building high-throughput, low-latency distributed systems or large-scale data pipelines.
  • Deep knowledge of programmatic advertising, including DSPs, RTB, SSPs, and ad exchanges.
  • Proficiency in Java, Go, and Python.
  • Hands-on experience with PyTorch or TensorFlow.
  • Experience with Apache Spark, Kafka, or Hadoop for large-scale data processing and streaming.
  • Expertise with cloud platforms, preferably AWS, and related services for ML deployment and data storage.
  • Experience with SQL and NoSQL data stores, including MySQL, PostgreSQL, Cassandra, DynamoDB, and Redis.
  • Familiarity with Docker and Kubernetes.
  • Strong communication, presentation, and interpersonal skills.
  • Preferred: experience with LLMs, generative AI, agentic workflows, real-time model serving and optimization, Apache Iceberg, Apache Hudi, microservices, event-driven design, open-source contributions, or industry conference speaking.

Benefits

  • Unlimited PTO.
  • Medical, dental, and vision coverage.
  • Employee equity, employee discounts, virtual wellness classes, and pet insurance.

Tech Stack

Amazon DynamoDBApache CassandraApache HadoopApache KafkaApache SparkAWSDockerGoJavaKubernetesMySQLPostgreSQLPythonPyTorchRedisSQLTensorFlow
Zeta Global

About Zeta Global

1,001-5,000 employees

At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the Impossible™ with superintelligent marketing. Powered by proprietary AI and trillions of real-time signals, the Zeta Marketing Platform (ZMP) brings martech and adtech together – unifying identity, intelligence, and activation in one unified place. We enable marketers to deliver personalized experiences that drive measurable growth in the next era of marketing. At the center of this evolution is Athena by Zeta, our superintelligent conversational agent built for predictable, profitable growth. Seamlessly integrated into the ZMP, Athena helps marketers understand performance, identify opportunities, and take action in real time—surfacing insights on spend, audiences, and campaigns, recommending next best moves, and even launching and optimizing campaigns on their behalf. Behind our platform is a global team of 3,000+ employees driven by innovation, collaboration, and a shared focus on customer success. Founded in 2007 by David A. Steinberg and John Sculley, Zeta is headquartered in New York City. Learn more at www.zetaglobal.com