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Zeta Global

AI-driven marketing platform for enterprises

Senior Software Engineer - Real-Time Ad Serving

Backend EngineeringConfirmed live in the last 24 hours
Full-timeNo salary listed

About the Job

Requirements

  • At least 5 years of software engineering experience in backend development.
  • A deep understanding of computer science fundamentals, including data structures, algorithms, and performance optimization.
  • Experience building and operating distributed systems in production.
  • Exposure to the full software development lifecycle, from design through production and monitoring.
  • A strong commitment to code quality, automated testing, and documentation.
  • Proficient English; the interview process will be held in English.
  • Experience with Lua or willingness to learn Lua.
  • Experience with online advertising or ad technology, including real-time bidding, programmatic advertising, demand-side platforms, or supply-side platforms, is a plus.
  • Proficiency in a systems-level language such as C++, Go, Rust, or Java is a plus.
  • Experience with MongoDB and real-time data processing is a plus.
  • Experience with AWS cloud infrastructure at scale is a plus.
  • Experience with AI-assisted development tools and agentic workflows is a plus.
  • Experience with the OpenRTB protocol and ad exchange integrations is a plus.

Responsibilities

  • Develop and optimize Lua business logic for ad selection, targeting, frequency capping, and budget pacing.
  • Design, build, and maintain real-time services that process more than 200,000 requests per second under strict latency requirements.
  • Work closely with Product to deliver features that meet advertiser and publisher needs.
  • Ensure code quality through code reviews, automated testing, and continuous integration.
  • Participate in architecture discussions and influence the technical roadmap.
  • Participate in an on-call rotation to support production systems.

Desired Qualifications

  • Experience with online advertising or ad technology, including real-time bidding, programmatic advertising, demand-side platforms, or supply-side platforms.
  • Proficiency in a systems-level language such as C++, Go, Rust, or Java.
  • Experience with MongoDB and real-time data processing.
  • Experience with AWS cloud infrastructure at scale.
  • Experience with AI-assisted development tools and agentic workflows.
  • Experience with the OpenRTB protocol and ad exchange integrations.

About the Company

Zeta Global

AI-driven marketing platform for enterprises

Zeta Global provides AI-driven marketing technology for enterprises to acquire customers, retain them longer, and grow their value. Its Zeta Marketing Platform offers a real-time view of prospects and customers and uses AI to deliver personalized experiences across multiple channels at scale, pulling in behavioral signals and purchase intents to generate intent and churn signals for millions of identities for cross-channel campaigns. It differentiates itself through real-time data, a large identity graph, multi-channel orchestration, and deterministic attribution that drive measurable marketing outcomes. The goal is to help brands optimize acquisition and retention to maximize lifetime value by delivering precise, data-driven marketing at scale.

Company size
1,001-5,000
Company stage
IPO
Headquarters
New York City, New York
Founded
2007

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