Senior Software Specialist - AI/ML - Monetisation

London, UK Until 8/29/2026 H-1B sponsor history First posted June 30, 2026 Last posted June 30, 2026
Job description

Description

Core Delivery Products is the Ads pillar that builds the products that power the core capabilities of our ads system: from targeting, to bidding, optimization, and user quality. The team has a strong and long-standing track record of making critical contributions to company top line goals with most of Meta revenue flowing through these core systems, and our year on year improvements continuing to drive significant top-line impact. In EMEA, we have 3 complete sub-pillars operating with high autonomy: Targeting, Core Ads Quality, & Direct Response Optimization. All the sub-pillars are responsible for growing revenue, machine learning product solutions end to end, alongside the reliability and stability of these core products. All have their cross functional teams co-located with them.

Responsibilities

Apply relevant AI and machine learning techniques to build Ads auction/user behaviour treatments Develop novel, accurate AI algorithms and advanced systems for large scale applications Work towards long-term ambitious production goals, while identifying intermediate milestones Directly contribute to experiments, including designing experimental details, developing reusable code, running evaluations, and organizing results Work with large data, and contribute to development of large scale foundation models Design methods, tools, and infrastructure to advance AI capabilities through novel methods, tools, and infrastructure

Qualifications

Experience developing machine learning algorithms or machine learning infrastructure in Python, PyTorch, and/or C/C++ Bachelor's degree in Artificial Intelligence (AI), computer science, related technical fields, or equivalent practical experience Experience in bringing research results into production Experience in training, fine-tuning, and/or experimenting with foundation models beyond black-box use Track record delivering successful products with large scale impact PhD in Artificial Intelligence (AI), computer science, related technical fields, or equivalent practical experience Experience in Reinforcement Learning, GenAI, Large Language Models, etc Experience in User Behavior modeling, Long-term Value optimization, or Causal Learning Experience in Ads, especially in auction theory and implementation (bidding, budgeting, targeting)
About this role

Summary

Develop AI/ML algorithms for ads monetization, focusing on large-scale applications and foundation models.

Job title

Senior Software Specialist - AI/ML - Monetisation

Experience level

senior level

Industry

software

Location requirements

London, UK; remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

PythonPyTorchC/C++AI algorithmsmachine learning infrastructure

Preferred skills

foundation modelsreinforcement learningGenAILarge Language Modelsad auction theory

Specializations

AIMLfoundation modelsreinforcement learningads
Locations

Structured locations inferred from the posting.

London, UK

Work arrangement unknown City