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Added 5 mins ago
GT
Systems Engineer
GeoSpectrum Technologies, Inc
Dartmouth, NS
- Full-time
This role is well suited to a critical thinker and proactive problem solver who enjoys working across a wide range of technical disciplines, including hydrodynamics engineering, mechanical…
Added 19 mins ago
KM
Field Service Technician (Prince George)
Konica Minolta Business Solutions Canada
Prince George, BC
- Full-time
5% - Lead referrals and product promotion to existing customers
Added 19 mins ago
Q
Senior Revenue Enablement Specialist, Digital
Quadient
Markham, ON
- $90,000 to $100,000 CAD / year
- Full-time
It’s these connections that make Quadient such an exceptional place to grow your career, develop your skills and make a real impact – help our future-focused business lead the way in…
Added 49 mins ago
CF
Web and Digital Experience Product Manager
Canadian Federation of Independent Business
Canada
- Full-time
Reporting to the Vice President, Digital and Delivery, the Web and Digital Experience Product Manager will lead cfib.ca as a product, overseeing its evolution, performance, accessibility,…
Added 49 mins ago
Web and Digital Experience Product Manager
Canadian Federation of Independent Business
Canada
Reporting to the Vice President, Digital and Delivery, the Web and Digital Experience Product Manager will lead cfib.ca as a product, overseeing its evolution, performance, accessibility,…
Added 1 hour ago
CT
Associate Manager, Loyalty Program
Canadian Tire Corporation
Toronto, ON
- Full-time
Lead cross-functional initiatives: Mobilize partners across Product, Marketing, Analytics, Finance, Research, Operations and other teams to deliver loyalty initiatives, pilots and program…
Added 1 hour ago
E
Senior Director, Clinical Development Change & Transformation Lead
Evinova
Mississauga, ON
- Full-time
We are driven by a shared purpose: to transform health through data and digital innovation. Our teams collaborate across disciplines to solve complex problems, continuously learning and…
Added 1 hour ago
Digital Product Manager, Member Experience
Canadian Federation of Independent Business
Canada
Reporting to the Vice President, Digital and Delivery, the Digital Product Manager, Member Experience will lead the strategy, roadmap and continuous improvement of CFIB's member-facing…
Added 2 hours ago
JE
Quality Assurance Manager
Johnson Electric
Stratford, ON · Canada - PM Stratford (General)
- Full-time
As our next Quality Assurance Manager, you’ll lead plant-level quality assurance activities to ensure products and manufacturing processes meet customer expectations, industry standards,…
Added 2 hours ago
IC
Cloud Operations, Senior Specialist
Interac Corp.
Toronto, ON · Interac Corp. Head Office
- Full-time
Every transaction matters. Every Canadian matters. At Interac, we protect both - driving trust, security, and inclusion, so our digital economy thrives.
Added 3 hours ago
S
Print Control Operator - Zund
StickerYou
Toronto, ON
- $18 to $20 CAD / hour
- Full-time
At StickerYou our Zund Operators are responsible for the operation and daily maintenance of our state-of the art large format cutting machines and the volume and quality of the final…
Added 3 hours ago
T
Solution Architect III
TD
London, ON · Toronto, ON
- Full-time
Join a high-impact architecture team shaping the future of customer engagement across onboarding, customer management and advice. You will design and deliver scalable, compliant and…
Added 3 hours ago
T
Full Stack Architect
TD
London, ON · Toronto, ON
- Full-time
Join a high-impact architecture team shaping the future of customer engagement across onboarding, customer management, and advice. This role will design and deliver scalable, compliant, and…
Added 4 hours ago
MF
Staff Software Engineer
Magnet Forensics
Canada
- Full-time
Magnet Forensics is a global leader in the development of digital investigative software that acquires, analyzes, and shares evidence from computers, smartphones, tablets, and IoT-related…
Added 4 hours ago
Stock Keyholder, FT
Under Armour
Ottawa, ON
As a Stock Keyholder, you're the go-to for keeping product moving and shelves stocked. You'll lead the charge on shipments, pricing, and stockroom standards - making sure everything's in…
Added 4 hours ago
S
Manager, Sales Enablement
SysAid
Toronto, ON
- Full-time
…experiencing rapid growth as businesses worldwide accelerate their digital transformation and adopt new technologies and workstyles. SysAid has been recognized in the Gartner Magic Quadrant…
Added 4 hours ago
XI
Senior Engineering Manager
Xplore Inc.
Markham, ON
- Full-time
We are looking for an experienced Senior Engineering Manager to lead and grow a team of software developers as we embark on a company-wide transformation. This is your chance to use…
Added 6 hours ago
M
Principal Designer, Otherlife
MoonPay
Toronto, ON
- Full-time
…Reporting to Executive Creative Director Nick Ace, you will lead concepting, design, and execution hands-on across brand, product, AI video, and GTM work, setting the standard for craft and…
Added 6 hours ago
IF
Senior Process Journey Owner
iA Financial Group
Toronto, ON · Montreal, QC
- Full-time
Are you driven by digital transformation and eager to improve the experiences of advisors and clients? As a Senior Process Journey Owner, you will lead the evolution of business processes…
Added 7 hours ago
AS
Applied Scientist, Amazon Canada Technology, Amazon Canada
Amazon Science
Vancouver, BC
- Full-time
We are hiring an Applied Scientist to join Amazon Canada Technology and push the science boundaries for Canada: the reasoning LLMs, embedding models, cross-encoder rankers, and…
Added 7 hours ago
Solutions Engineering Lead, International Upmarket Customers
Toast
Toronto, ON
Run demos that win the room. Build every demo from discovery. Show a 40-site group their own menu, their own workflows and the systems they already run, in their market's version of the…
Added 7 hours ago
Senior Solutions Engineer
Toast
Toronto, ON
Run demos that win the room. Build every demo from discovery. Show a 40-site group their own menu, their own workflows and the systems they already run, in their market's version of the…
Added 7 hours ago
SP
Bilingual Customer Success Manager (French/English)
Salesforce Partner Canada
Montreal, QC
- Full-time
Learning & Development: Apply product knowledge and expertise to address technical concerns, use this knowledge to ask ** effective diagnosis questions**, and align platform features with…
Added 7 hours ago
LE
Key Account Manager, IT Retail
LG Electronics
Toronto, ON
- Full-time
We design products and services that make life better, easier, and more enjoyable. Whether it’s through smart functionality, design, or innovative technology, our home appliances, including…
Added 9 hours ago
A
Channel Specialist
ABB
Milton, ON
- Full-time
We empower you to take initiative, challenge ideas, and lead with confidence. You’ll grow through meaningful work, continuous learning, and support that’s tailored to your goals. Every idea…

Amazon Science

Applied Scientist, Amazon Canada Technology, Amazon Canada

Vancouver, BC, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Apply by: Nov 23, 2026
Experience: 3+ years of building models for business application experience
Posting language: English
Posted: Oct 27, 2026

Original job description

Description

Do you want to solve unique challenges specific to the Canadian market? Are you looking to make an impact on a digital commerce landscape through science?

We are hiring an Applied Scientist to join Amazon Canada Technology and push the science boundaries for Canada: the reasoning LLMs, embedding models, cross-encoder rankers, and multi-objective optimization systems that turn billions of products into the right answer for hundreds of millions of Canadian customers. The role spans the full model lifecycle, from understanding and deciphering where the problem lies, building models, mid-training reasoning models on data such as shopping, returns, reasoning, localization to aligning the models with customers on dimensions that matter for shopping through fulfillment. You will be a pioneer on this team and will own defining the long-term Science strategy and execute on the same by partnering closely with several partner teams such as Core Search, Returns and work with CA Product Managers, Software Engineering and BI/DEs.

Key job responsibilities

Develop personalized multi-modal thinking-LLM techniques that reason about customers, search, queries, ranking and products across both primary and secondary languages.
Train large language models on various data signals and sets: domain-adaptive continued pre-training, reinforcement learning shopping reasoning traces, instruction tuning for natural-language shopping queries.
Analyze Canada (CA) ranking-quality gaps using offline metrics and benchmark CA model staleness and architecture against other marketplace (e.g. US, EU, JP) equivalents.
Formulate falsifiable ranking hypotheses linking a specific feature, architecture, or training change to predicted metric movement.
Run standardized offline evaluation of model candidates; validate feature statistical distributions and coverage in-locale to detect anomalies; own and lead experiments to drive improvements on offline and online experiment benchmarks.
Lead error analysis on failing query segments and segment-level deep dives (head/torso/tail, category, device), surfacing CA-specific failure modes such as bilingual and thin-category gaps.
Own metric-tradeoff analysis and acceptable-regression boundaries, bridging model behavior and CA business priorities.
Partner with teams such as Core Search on hypotheses, model training, and quality gates (MTBR / WLBR / SSAI).
Classify feature-expansion effort tiers (available / pipeline extension / locale training / infeasible) combining locale knowledge with science judgment.

About The Team

Amazon.ca Technology builds the products and services millions of Canadians rely on every day. Our teams tackle challenges unique to the Canadian market while contributing to Amazon initiatives that span the globe - giving you the best of both worlds: meaningful local impact and the scale of global tech. If you want to help shape Canada's digital commerce landscape within a collaborative Canadian work culture, this is the place to do it.

Basic Qualifications

3+ years of building models for business application experience
Experience in CS, CE, ML or related field
Experience programming in Java, C++, Python or related language
Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computing

Preferred Qualifications

Experience using Unix/Linux
PhD, or a Master's degree and experience in CS, CE, ML or related field
Experience in understanding performance metrics and developing them to measure progress against key performance indicators

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. As a total compensation company, Amazon's package may include other elements such as sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon offers comprehensive benefits including health insurance (medical, dental, vision, prescription, basic life & AD&D insurance), Registered Retirement Savings Plan (RRSP), Deferred Profit Sharing Plan (DPSP), paid time off, and other resources to improve health and well-being. We thank all applicants for their interest, however only those interviewed will be advised as to hiring status.

CAN, BC, Vancouver - 149,300.00 - 249,300.00 CAD annually

CAN, ON, Toronto - 149,300.00 - 249,300.00 CAD annually

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More about this job

Responsibilities

Develop and evaluate personalized, multimodal language models and ranking systems for Canadian shopping, including training models on shopping data and analyzing Canada-specific quality gaps. Lead experiments, error analysis, metric trade-off decisions, and science strategy in partnership with search, product, engineering, and data teams.

Requirements

Requires at least three years of experience building models for business applications, a background in computer science, computer engineering, machine learning, or a related field, and programming experience in Java, C++, Python, or a similar language. Experience in areas such as algorithms, numerical optimization, data mining, or distributed computing is required; Unix/Linux experience and a master's degree or PhD are preferred.

Skills

Applied Science
Machine Learning
Large Language Models
Model Training
Ranking Systems
Search
Multi-Objective Optimization
Reinforcement Learning
Data Analysis
Experimentation
Statistical Analysis
Python
Java
C++
Algorithms and Data Structures
Distributed Computing

Benefits

Health Insurance
Medical Insurance
Dental Insurance
Vision Insurance
Prescription Coverage
Basic Life Insurance
Accidental Death and Dismemberment Insurance
Deferred Profit Sharing Plan
Paid Time Off

Visa sponsorship

Not detected in the job text

Keywords

Applied Science
Machine Learning
Large Language Models
Reasoning Models
Embedding Models
Cross-Encoder Rankers
Multi-Objective Optimization
Model Training
Domain-Adaptive Pretraining
Reinforcement Learning
Instruction Tuning
Personalization
Multimodal Models
Search Ranking
Offline Evaluation
Online Experiments
Error Analysis
Statistical Metrics
Performance Metrics
Algorithms and Data Structures
Numerical Optimization
Data Mining
Parallel Computing
Distributed Computing
High-Performance Computing
Python
Java
C++
Unix/Linux
Bilingual Localization

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