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1–2 jobs· newest first

Senior AI Engineer. Innovation and R&DNew
Equinix · Toronto, Canada+1 more
CA$142K–CA$212KOn-site · Full-time · Senior
Senior AI or ML Engineer
UnitedHealth Group
Senior

+10K new in the last hour

Senior AI Engineer. Innovation and R&D

Equinix · Posted Nov 12, 2026

Toronto, Ontario, Canada +1 more
On-site
Full-time · Senior
CA$142K–CA$212K per year
5–8 years

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Researches, prototypes and proves new GenAI and agentic ideas that raise Equinix’s internal productivity and create capabilities for external products. Works in the AI Innovation and R&D pod, running experiments from hypothesis to working prototype, measuring each against quality, cost and business value, and handing validated ideas to product and platform teams as production-ready designs.

Locations (2)

Toronto, Ontario, Canada
Redwood City, California, United States

Compensation

Canada - Toronto Office TRO : 142,000 - 212,000 CAD / Annual United States - Redwood City Office GHQ : 190,000 - 286,000 USD / Annual

Responsibilities

Identify and test GenAI and agentic ideas for internal productivity and external product use cases
Build prototypes quickly, validate them with business teams against defined success metrics, and hand off production-ready designs and reference implementations
Track new models, techniques and tools; document which apply to Equinix and which do not
Benchmark open-weight and commercial models on shared task datasets: quality, latency, cost, license terms
Fine-tune, distill and quantize models for defined tasks, including tool-use and agentic behavior, and show measured gains over the baseline

Requirements

BS or MS in computer science, machine learning or a quantitative field
Nice to have: inference and serving (vLLM, SGLang)
Nice to have: batching
Nice to have: GPU optimization
Nice to have: optimization

Skills

LLM development deep-learning development fine-tuning parameter-efficient tuning distillation quantization agent systems retrieval systems Python PyTorch Hugging Face tooling vLLM SGLang Hugging Face

Benefits

Employee Assistance program
Health insurance
Life insurance
Disability insurance
Voluntary plans

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Senior AI or ML Engineer

UnitedHealth Group · Posted Nov 10, 2026

Senior

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Design, build, and deploy AI/ML solutions to improve pharmacy benefit operations and patient care delivery at enterprise scale.

Responsibilities

Design, develop, and deploy scalable AI-powered solutions, including conversational AI, summarization, knowledge retrieval, data extraction, and Retrieval-Augmented Generation (RAG) applications
Develop and optimize machine learning and large language model (LLM) solutions using prompt engineering, fine-tuning, parameter-efficient tuning techniques, and model performance optimization methodologies
Build, automate, and maintain end-to-end MLOps pipelines encompassing data preparation, model training, validation, CI/CD, deployment, monitoring, and lifecycle management
Integrate AI and machine learning capabilities into enterprise applications, APIs, microservices, and business workflows using platforms such as Azure OpenAI, Azure AI Services, and open-source AI frameworks
Design and implement vector search and agentic AI solutions leveraging embeddings, vector databases, and orchestration frameworks to deliver accurate, context-aware experiences

Skills

Artificial Intelligence Machine Learning Large Language Models Prompt Engineering Fine-tuning Parameter-efficient Tuning MLOps CI/CD Monitoring Azure OpenAI Azure AI Services Vector Search Embeddings Responsible AI Open-source AI frameworks Vector databases

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