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Added 54 mins ago
M
RQ11824 - IT Enterprise Architect/Strategist - Senior
Maarut
Toronto, ON
- Contract
strategy including systems, processes and required data.
Added 1 hour ago
O
Sr. Software Developer
OpenText
Richmond Hill, ON
- Full-time
The Senior Software Developer is a hands-on technical contributor and emerging technical lead who designs, develops, and supports Java and Spring Boot microservices running on Google Cloud…
Added 1 hour ago
RD
Technical Project Manager - AI
Randstad Digital
Montreal, QC · Greater Montreal Metropolitan Area
- $70 to $90 CAD / hour
- Contract
A top-tier financial institution is seeking an accomplished Senior Technical Project Manager to orchestrate high-impact technology initiatives across enterprise data platforms, financial…
Added 1 hour ago
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Associate Director – Commodity Local Market Risk
RBC
Toronto, ON
- Full-time
…changes and market conditions to deliver actionable insights for senior…
Added 1 hour ago
RB
Network Operations Analyst
Royal Bank of Canada
Toronto, ON
- Full-time
Coordinate with IT support teams and Disaster Recovery teams to develop, document, test, and continuously improve Data centre runbooks and recovery procedures.
Added 2 hours ago
MS
Senior Engineer II, Proxy
Menlo Security
Remote, Canada
- Full-time
- Remote
…collaborate securely, without compromise. The Menlo Browser Security Platform protects organizations from cyberattacks by stopping threats across the web, documents, and email before they…
Added 2 hours ago
CT
Lead/Senior Data Engineer
Celebal Technologies
Ottawa, ON
- Contract
Our client is seeking an experienced, hands-on Senior Data Engineer to help build and scale the enterprise data foundation supporting Analytics, AI, and self-service decision-making across…
Added 3 hours ago
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Software Engineer - Model Performance Systems
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
…applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing…
Added 3 hours ago
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Software Engineer - Model Performance Systems
Baseten
Toronto, ON
- $165,000 to $330,000 USD / year
- Full-time
…applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing…
Added 3 hours ago
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Assistant Store Manager - Halifax Shopping Centre
Knix
Halifax, NS
- Full-time
Health - Health benefits program that starts on your first day, and access to a mental health & wellness platform that offers therapy and coaching sessions
Added 4 hours ago
MS
Senior Engineer II, Proxy
Menlo Security Inc.
Canada
- Full-time
…collaborate securely, without compromise. The Menlo Browser Security Platform protects organizations from cyberattacks by stopping threats across the web, documents, and email before they…
Added 4 hours ago
C
Application Programmer
Collabera
Mississauga, ON
- $70 to $80 USD / hour
- Full-time
We are seeking an experienced Senior Forward Deployed Engineer (FDE) with strong expertise in Java, Python, backend/full-stack development, and solution architecture. The ideal candidate…
Added 5 hours ago
GL
Research Scientist - Product Development
Gay Lea Foods
Hamilton, ON
- Full-time
Reports to: Senior Manager, R&D Capabilities & Excellence
Added 5 hours ago
LI
IT Enterprise Architect/Strategist
Lotus IT Solutions
Toronto, ON
- Contract
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior IT Enterprise Architect/Strategist to join the Enterprise Technology & Digital Standards (ETS) team…
Added 5 hours ago
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Director of Accounting
BlueCat
Canada
- Full-time
…for enterprises globally. Our Intelligent Network Operations platform delivers and enables AI-driven agentic ops at scale, automating and simplifying how companies manage, secure, and…
Added 6 hours ago
O
Senior Software Developer (Bilingual)
OpenText
Ottawa, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 6 hours ago
O
Sr. Software Developer (Bilingual)
OpenText
Ottawa, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 6 hours ago
J
Manager of UX Research
Jobgether
Canada
- $112,000 to $160,000 CAD / year
- Full-time
…experiences inform product strategy across a complex B2B SaaS platform. Combining hands-on qualitative and quantitative research with people leadership, you will guide a research team while…
Added 6 hours ago
R
Network Operations Analyst
RBC
Toronto, ON
- Full-time
Coordinate with IT support teams and Disaster Recovery teams to develop, document, test, and continuously improve Data centre runbooks and recovery procedures.
Added 6 hours ago
R
Sr. Salesforce Administrator/ Business Analyst
Recfront
Toronto, ON
- Contract
The Senior Salesforce Administrator / Business Analyst will support and optimize Salesforce Media Cloud as a critical platform for media planning, forecasting, revenue operations, order…
Added 6 hours ago
SC
Senior Manager – Environmental Design and Approvals
SYSTRA Canada
Toronto, ON
- Full-time
Identify data gaps and commitments and Oversees development of the Investigation scope and schedule.
Added 6 hours ago
J
Principal Platform Product Manager - Billing & Authentication
Jobgether
Canada
- $148,782 to $185,977 USD / year
- Full-time
We are looking for an experienced platform product leader to shape the core services that power a growing SaaS product ecosystem, with an initial focus on billing and authentication. You…
Added 6 hours ago
S
Sales Manager NA
Sidetrade
Calgary, AB
- Full-time
Sidetrade (Euronext Growth: ALBFR.PA) is an AI-native company dedicated to Order-to-Cash (O2C). Its platform combines O2C applications, autonomous AI agents, and Aimie IQ, an intelligent…
Added 6 hours ago
M
Senior CyberArk Security Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
We are looking for an experienced Senior CyberArk Security Engineer to join our global Privileged Access Management (PAM) Engineering team and help strengthen the security, automation,…
Added 7 hours ago
TC
M365 (Microsoft) – Tech Lead
Tata Consultancy Services
Vancouver, BC
- Full-time
Minimum Senior years of IT experience with strong hands-on experience in SharePoint Online, Microsoft 365 collaboration and Power Platform implementation/support.

Wayfair

Machine Learning Scientist III - Customer Service AI

Toronto, ON, Canada

$211,914 to $225,158.5 CAD / year · Full-time

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Job details

Pay: $211,914 to $225,158.5 CAD / year
Job type: Full-time
Apply by: Nov 28, 2026
Experience: Experience: Minimum 2+ years of experience with PhD, or 4+ years of industry experience with MS, or 6+ years of experience with a BS in a quantitative STEM field.
Posting language: English
Posted: Oct 29, 2026

Original job description

Who We Are

Wayfair is seeking a high-impact Machine Learning Scientist III to lead the research, technical strategy, and production deployment of next-generation Generative AI and agentic systems for Wayfair’s Customer Service organization.

In this role, you will bridge cutting-edge AI research and large-scale enterprise execution - architecting robust, multi-agent frameworks, proprietary domain-adapted LLMs, and end-to-end LLMOps infrastructure. You will be responsible for defining technical roadmaps, tackling high-ambiguity customer service challenges, mentoring junior scientists, and collaborating closely with engineering and product leadership. Success requires deep technical mastery of NLP and Generative AI, a demonstrated track record of taking complex AI systems to production at scale, and the executive presence to turn emerging AI capabilities into measurable business ROI and customer lifetime value.

What You’ll Do

Technical Leadership & Strategy: Help define the Generative AI roadmap and architecture for Customer Service Intelligence, identifying high-leverage opportunities to deploy agentic workflows, autonomous triage, and real-time agent copilot systems.
Advanced Research & System Design: Architect, fine-tune, and evaluate state-of-the-art foundation models (parameter-efficient fine-tuning, RLHF/DPO, domain-adapted pretraining) and agentic frameworks (multi-agent coordination, tool-use, structured reasoning).
Enterprise-Scale Production & LLMOps: Partner with Engineering and Core Platform teams to drive end-to-end ML lifecycle standards - including robust CI/CD, scalable inference optimization (vLLM, TensorRT-LLM, model quantization), latency/throughput profiling, and automated governance/guardrails.
Evaluation Frameworks & Governance: Design rigorous offline and online evaluation ecosystems (LLM-as-a-judge, custom benchmark datasets, semantic observability, red-teaming) to monitor factual consistency, safety, hallucination mitigation, and task completion in customer-facing workflows.
Cross-Functional Influence & Alignment: Serve as the technical authority across product managers, operations directors, legal/compliance, and engineering leaders, translating abstract business challenges into scalable technical implementations with defined ROI metrics.
Mentorship & Engineering Excellence: Set high standards for experimental rigor and code quality across the team; lead design reviews, mentor mid-level and junior scientists, and foster a culture of rapid, scientifically sound prototyping.
Applied Innovation & Advocacy: Keep Wayfair at the cutting edge by tracking developments in foundation model architectures, context-caching, vector search, and reasoning models, proactively running proofs-of-concept to identify disruptive technology before it commoditizes.

What You’ll Need

Experience: Minimum 2+ years of experience with PhD, or 4+ years of industry experience with MS, or 6+ years of experience with a BS in a quantitative STEM field.
Track Record of Impact: Proven history of taking complex AI/ML systems from early-stage ambiguity through architecture and production delivery at scale, directly driving top-line or operational efficiency metrics.
Generative AI & LLM Mastery: Deep expertise in transformer architectures, advanced Retrieval-Augmented Generation (RAG) topologies (hybrid search, hierarchical retrieval, query rewriting), fine-tuning paradigms (LoRA, QLoRA, DPO/RLHF), and prompt-chaining/agentic frameworks (LangChain, LangGraph, LlamaIndex, AutoGen).
Software Engineering & Infrastructure: Expert-level software development skills in Python, with clean production code standards, asynchronous programming, containerization (Docker, Kubernetes), distributed training/inference, and modern cloud ML infrastructure (GCP Vertex AI, AWS SageMaker, Azure AI).
Production LLMOps & Guardrails: Hands-on experience architecting production-grade LLM monitoring pipelines - encompassing semantic caching, rate limiting, latency budgeting, cost tracking, drift detection, and safety/security filtering (PII masking, prompt injection defense).
System Design & Communication: Exceptional systems-thinking and stakeholder communication skills, capable of influencing senior cross-functional leadership, defending trade-offs in technical design reviews, and explaining complex AI mechanics to non-technical partners.

High-Value Differentiators

Experience with agentic AI systems and LLMOps principles for model lifecycle management, performance evaluation, and automated testing.
A PhD in AI or a strong publication record in top conferences and journals

Assistance For Individuals With Disabilities

Wayfair is fully committed to providing equal opportunities for all individuals, including individuals with disabilities. As part of this commitment, Wayfair will make reasonable accommodations to the known physical or mental limitations of qualified individuals with disabilities, unless doing so would impose an undue hardship on business operations. If you require a reasonable accommodation to participate in the job application or interview process, please let us know by completing our Accomodations for Applicants form.

Need Technical Assistance?

For more information about applying for a career at wayfair, visit our FAQ page here.

About Wayfair Inc.

Wayfair is one of the world’s largest online destinations for the home. Whether you work in our global headquarters in Boston, or in our warehouses or offices throughout the world, we’re reinventing the way people shop for their homes. Through our commitment to industry-leading technology and creative problem-solving, we are confident that Wayfair will be home to the most rewarding work of your career. If you’re looking for rapid growth, constant learning, and dynamic challenges, then you’ll find that amazing career opportunities are knocking.

No matter who you are, Wayfair is a place you can call home. We’re a community of innovators, risk-takers, and trailblazers who celebrate our differences, and know that our unique perspectives make us stronger, smarter, and well-positioned for success. We value and rely on the collective voices of our employees, customers, community, and suppliers to help guide us as we build a better Wayfair – and world – for all. Every voice, every perspective matters. That’s why we’re proud to be an equal opportunity employer. We do not discriminate on the basis of race, color, ethnicity, ancestry, religion, sex, national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, gender expression, veteran status, genetic information, or any other legally protected characteristic.

Your personal data is processed in accordance with our Candidate Privacy Notice (https://www.wayfair.com/careers/privacy). If you have any questions or wish to exercise your rights under applicable privacy and data protection laws, please contact us at dataprotectionofficer@wayfair.com.

The above base pay range may vary depending on location, job-related knowledge, skills and experience. For internal candidates, compensation determinations will be made based on your current position / level, your location, and the new position according to Wayfair's internal mobility policy. As you move through the internal interview process, your recruiter will be able to provide additional details regarding your specific compensation. Please note, the terms of internal offers, including the salary offered, are not negotiable.

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More about this job

Responsibilities

Lead the research, technical strategy, architecture, and production deployment of generative AI and agentic systems for customer service, including foundation models, multi-agent workflows, and LLMOps infrastructure. Establish evaluation and governance practices, align technical solutions with business outcomes, and mentor scientists while collaborating with product, engineering, operations, and compliance teams.

Requirements

Requires at least 2 years of experience with a PhD, 4 years with a master's degree, or 6 years with a bachelor's degree in a quantitative STEM field, plus a record of delivering complex AI/ML systems at scale. Candidates should have deep expertise in LLMs, RAG, fine-tuning, agent frameworks, Python, production infrastructure, LLMOps, safety guardrails, and cross-functional technical communication.

Skills

Generative AI
Machine Learning
Natural Language Processing
Large Language Models
Retrieval-Augmented Generation
Agentic AI Systems
Python
Model Fine-Tuning
LLMOps
Distributed Training And Inference
Cloud ML Infrastructure
Evaluation And Governance
System Design
Stakeholder Communication
Technical Leadership
Mentorship

Visa sponsorship

Not detected in the job text

Keywords

Generative AI
Machine Learning
Natural Language Processing
Transformer Architectures
Foundation Models
Large Language Models
Retrieval-Augmented Generation
Hybrid Search
Hierarchical Retrieval
Query Rewriting
LoRA
QLoRA
RLHF
DPO
LangChain
LangGraph
LlamaIndex
AutoGen
Python
Docker
Kubernetes
GCP Vertex AI
AWS SageMaker
Azure AI
vLLM
TensorRT-LLM
Model Quantization
LLMOps
Semantic Caching
Prompt Injection Defense

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