AdTechTalent
Programmatic3 months agoRemote

Zeta Global

Senior Software Engineer — Real-Time Ad Serving

LuaC++GoRustJavaMongoDBAWSOpenRTBprogrammaticad techRTBDSPSSPreal-timedistributed systemsbackendsoftware engineering

Key details

Salary

Not specified

Employment type

Full-time

Seniority

Senior

Years experience

5-10

Location

Berlin, Germany

Full job description

Senior Software Engineer role on the LiveIntent Real-Time Ad Serving team. Responsibilities include designing, developing, and owning business logic for programmatic advertising such as ad selection, targeting, frequency capping, budget pacing, and delivery optimization. The platform uses C++ for server framework and Lua for business logic. Candidates will primarily work in Lua and collaborate with Product to deliver features impacting advertisers and publishers. The role requires 5+ years backend development experience, strong computer science fundamentals, distributed systems experience, and proficiency or willingness to learn Lua. Experience in online advertising, systems-level languages (C++, Go, Rust, Java), MongoDB, AWS, AI-assisted tools, and OpenRTB is a plus. The position is hybrid/remote based in Berlin, Germany or Prague, Czech Republic. Benefits include excellent medical, dental, and vision coverage.

What you'll do

  • Develop and optimize business logic in Lua for ad selection, targeting, frequency capping, and budget pacing
  • Design, build, and maintain real-time services processing 200K+ requests per second with 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 on-call rotation to support production systems

Requirements

  • 5+ years of software engineering experience in backend development
  • Deep understanding of computer science fundamentals: data structures, algorithms, performance optimization
  • Experience building and operating distributed systems in production
  • Exposure to the full software development lifecycle — from design to production and monitoring
  • Strong commitment to code quality, automated testing, and documentation
  • Proficient English
  • Experience with Lua or willingness to learn
  • Experience in online advertising / ad tech (RTB, programmatic, DSP/SSP) is a plus
  • Proficiency in a systems-level language (C++, Go, Rust, or Java) is a plus
  • Experience with MongoDB and real-time data processing is a plus
  • Experience with cloud infrastructure (AWS) at scale is a plus
  • Experience with AI-assisted development tools and agentic workflows is a plus
  • Experience with OpenRTB protocol and ad exchange integrations is a plus

Tech stack

LuaC++GoRustJavaMongoDBAWSOpenRTB

Benefits

Excellent medical, dental, and vision coverage

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