Senior Software Engineer

Confirmed live in the last 24 hours

Quantcast

London

On-site

Posted April 27, 2026

Job Description

At Quantcast, we don't just build advertising technology, we revolutionize how it works. Our AI-powered Demand Side Platform (DSP) connects the world's most ambitious marketers with their ideal audiences across the open internet, delivering results that actually move the needle. Since 2006, we've been the industry's trailblazer, launching the first AI-powered measurement platform for publishers and the first AI-driven DSP. Our AI doesn't just optimize—it delivers the measurable outcomes that matter most to our clients, giving them the competitive edge they need in a crowded marketplace. Ready to join the team that's defining the future of digital advertising?

We’re looking for a Senior Software Engineer to join our Partner Integrations team. The team acts as a bridge between Quantcast and the third parties that are needed to achieve our customers’ advertising goals. The team is responsible for bringing all the available ad opportunities on the open internet to our platform, managing the entire lifecycle of all the creatives as well as ingestion of customer segments from data platforms.

We are only able to achieve all this by working closely with our partners and the high volume live integrations that we have built with them over time. Our systems range from monoliths to microservices, all hosted in AWS along with a large swathe of data pipelines that ship several Terabytes of data everyday. We are responsible for the evolution and continuing operational excellence of these systems that ultimately enable smooth running of ad campaigns on the Quantcast platform.

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