Senior/Lead Software Engineer — Real-Time Ad Serving (LiveIntent)
Zeta Globalabout 4 hours ago
Prague, CzechiaSenior / Staff+
H1B Sponsor
Responsibilities
- 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 (the interview process will be held in 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.
Benefits
- Excellent medical, dental, and vision coverage.