Senior Real-Time Ad Serving Engineer (Lua) – Hybrid

zetaglobal; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Job summary

Zeta Global is hiring a Senior Software Engineer for the LiveIntent Real-Time Ad Serving team. You will design, develop, and own the business logic powering programmatic advertising at scale, primarily in Lua, with C++ for high-performance framework.

You’ll collaborate with Product on ad targeting, delivery, reporting, and optimization, handling billions of daily transactions in production. The role is hybrid/remote, based out of our Berlin, Germany or Prague, Czech Republic offices, with

Qualifications

• 5+ years of software engineering experience in backend development.
• Strong fundamentals in data structures, algorithms, and performance optimization.
• Experience building and operating distributed systems in production.
• Exposure to full software development lifecycle from design to production.
• Proficiency in English for interviews and collaboration.
• Experience with Lua or willingness to learn; Lua is essential to get up to speed.

Responsibilities

• Develop and optimize business logic in Lua for ad serving features.
• Design, build, and maintain real-time services handling 200K+ requests/sec with low latency.
• Collaborate with Product to deliver advertiser/publisher-focused features.
• Ensure code quality via reviews, automated tests, and CI.
• Participate in architecture discussions and influence roadmaps.
• Contribute to on-call rotation to support production systems.

Skills

Backend development

Distributed systems

Algorithms & data structures

Code quality

English proficiency

Tools

Lua

C++

MongoDB

AWS

Job description

Zeta Global is hiring a Senior Software Engineer for the LiveIntent Real-Time Ad Serving team. You will design, develop, and own the business logic powering programmatic advertising at scale, primarily in Lua, with C++ for high-performance framework.

You’ll collaborate with Product on ad targeting, delivery, reporting, and optimization, handling billions of daily transactions in production. The role is hybrid/remote, based out of our Berlin, Germany or Prague, Czech Republic offices, with