Senior Backend Engineer — AdTech & Real-Time Systems

We’re looking for a Senior Backend Engineer to develop a programmatic advertising platform where milliseconds directly affect ad-buying decisions. You’ll work on high-throughput, low-latency backend systems, applying your AdTech or RTB expertise to challenges in real-time advertising.

Responsibilities

• Build and improve backend services supporting real-time ad-buying and delivery decisions.

• Identify performance bottlenecks and improve throughput, latency and reliability.

• Develop bidding flows, advertising integrations and services processing bid-stream data.

• Contribute to technical decisions across performance-critical backend components.

• Apply your domain knowledge to engineering challenges in programmatic advertising.

Requirements

• Senior-level backend engineering experience, including work on high-throughput, low-latency production systems.

• Strong experience in RTB or AdTech, particularly in programmatic advertising, media delivery or advertising marketplaces.

• Solid backend engineering experience with Node.js/TypeScript, Go, Rust, Java or Python, and the ability to adapt quickly to new technologies.

• The ability to investigate performance issues and make sound engineering trade-offs.

• Strong software engineering fundamentals and a practical approach to solving complex technical problems.

Nice to have

• Knowledge of OpenRTB 2.5/2.6, IAB standards and advertising formats.

• Experience with DSPs, SSPs, ad exchanges, header bidding or Prebid.

• Familiarity with OpenRTB Native, VAST, bid shading, pacing or frequency capping.

• Understanding of IAB TCF 2.2 and GDPR consent handling in advertising systems.

What we offer

• Work on a large-scale advertising platform where backend performance directly impacts product outcomes.

• The opportunity to solve demanding challenges in real-time processing, scalability and ad delivery.

• A role that values your AdTech or RTB expertise beyond a single programming language.

• Multisport card.

• Private healthcare.

Tech stack

• Backend Engineering
• High-throughput systems
• low-latency systems
• RTB
• adtech
• Node.js
• TypeScript
• Go
• Rust
• Java