Senior / Lead Machine Learning & AI Engineer

Develop and integrate large language models and machine learning solutions for ad tech applications. Requires expertise in NLP, LLMs, and production ML systems.

This Staff Machine Learning Engineer role focuses on designing, building, and shipping production-grade systems for ranking, personalisation, and reward structures in real time. The role involves owning ML infrastructure including pipelines, training loops, serving, and monitoring, as well as providing technical leadership. Experience with causal thinking, high-volume behavioural datasets, and full-stack ML capability is required.

Design and implement machine learning models to optimize ad targeting and bidding algorithms. Requires strong ML background and experience with large-scale data.

Develops and optimizes machine learning models for EDITED's retail analytics platform, focusing on algorithm performance and scalability. Works in a fast-paced environment to enhance the platform's capabilities.

Senior demand sales role focused on driving demand-side partnerships and revenue in the West region. Leverages deep industry experience to grow Lemma's demand business.

Plan and execute media campaigns across channels, optimizing for performance and client objectives. Coordinate with internal teams to ensure successful campaign delivery.

Develop and implement machine learning models and AI solutions to enhance Lemma's omnichannel AdTech platform. Collaborate with cross-functional teams to drive innovation.