AI Engineer (Fluent Portuguese & English)

CHUBB · London, England, United Kingdom

Location

London

Job Type

Regular - Full time

Posted

July 02, 2026

Job Description

AI Engineer (Fluent in Portuguese & English)
Position Overview
We are seeking an AI Engineer to join our Global Analytics team in London. This role is focused on the end-to-end lifecycle of production-grade AI, from training and fine-tuning specialized models to architecting high-performance inference pipelines.
The ideal candidate views AI as a rigorous engineering discipline. Beyond building models, you will be responsible for writing high-quality, maintainable Python code and ensuring that every solution—whether a voice agent or a document processor—is built for reliability, low latency, and global scale.
Key Responsibilities
Model Training & Fine-Tuning: Lead the adaptation of Large Language Models (LLMs) for domain-specific tasks using techniques like LoRA, QLoRA, and PEFT to balance performance with resource efficiency.
Inference Optimization: Architect and optimize inference pipelines to m...
        

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