Senior Full-Stack AI Engineer (Agentic AI)

pubX
Full-time london, england IT & Technology
Posted:
June 16, 2026
Location:
london, england, United-Kingdom

Job Description

PubX builds next-generation publisher-first agentic advertising marketplace infrastructure. Our AI makes real-time, revenue-critical decisions for digital publishers and Advertisers. Our Bid Intelligence uses machine learning to optimize every programmatic ad auction individually, generating measurable revenue uplift for publishers. We've priced over 1 trillion programmatic auctions, we’re currently ranked #5 globally in Prebid Analytics Adapter Rankings, and growing.

The problem we’re solving

Digital publishers leave significant revenue on the table because ad pricing is still largely manual, static or simple rule-based. Every ad impression is unique, but most pricing systems treat them the same. PubX's AI analyzes bid-stream data and historical patterns to arrange optimal deals, in near real-time.

As a founding member of AgenticAdvertising.org, we're building the next generation of autonomous advertising infrastructure.

What You’ll Work On

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Job Overview

Job Type: Full-time
Location: london, United-Kingdom
Posted: June 16, 2026
Deadline: July 26, 2026