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Added 8 mins ago
TC
Driver-DZ-L2, Class 3
Toromont Cat
Halifax, NS
- Full-time
Inspect loads and equipment during deliveries and report any damages or issues to the manager promptly.
Added 8 mins ago
UH
Communications Operator, UHN Connect
University Health Network
Toronto, ON
- Full-time
…and international source for discovery, education and patient care. UHN has the largest hospital-based research program in Canada, with major research in neurosciences, cardiology,…
Added 21 mins ago
W
Identity Specialist II (Identity and Access Management - IAM Engineer II)
WorkSafeBC
Richmond, BC
- Full-time
…governance. In this role, you’ll work under the direction of the Manager, Cybersecurity Architecture & Compliance, to analyze, design, implement and support new and existing CIAM and IGA…
Added 21 mins ago
SI
Founding Community & Content Marketing Manager
Strategy Institute
Toronto, ON · Greater Toronto Area, Canada
- Full-time
As our Founding Community & Content Marketing Manager, you’ll help make the event a brand people know, trust, talk about and want to be part of - long before the doors open.
Added 21 mins ago
Z
Chef.fe de territoire, bovins et équins/Territory Manager, Cattle and Equine
Zoetis
Quebec, QC
- Full-time
Zoetis Canada is looking for a high-performing salesperson to fulfill the role of Territory Manager, Cattle and Equine, for Quebec. This is a field-based position responsible for creating…
Added 21 mins ago
K
Personal Lines Account Manager
KRGinsure
Peterborough, ON
- Full-time
We are seeking a Personal Lines Account Manager who excels in providing comprehensive client service. In this role, you will manage a portfolio of accounts and support clients with their…
Added 21 mins ago
NH
MSW
Niagara Health
St. Catharines, ON
- Temporary
Reporting to the Clinical Manager, Outpatient Mental Health, the successful candidate will provide trauma informed crisis, short-term counselling and psychoeducation to children, youth and…
Added 21 mins ago
IH
Neonatal Nurse Practitioner
IWK Health
Halifax, NS
- $59.46 to $71.95 CAD / hour
- Full-time
…Full-Time position of Neonatal Nurse Practitioner. Reporting to the Manager, Neonatal Care team, the Neonatal Nurse Practitioner will join other NNP’s as an expert practitioner and patient…
Added 21 mins ago
CI
Project Manager – Packaging & Formula
Crystal Int'l (Group) Inc. & Crystal Claire Cosmetics Inc.
Toronto, ON · Greater Toronto Area, Canada
- $70,000 to $80,000 CAD / year
- Full-time
Job Title: Project Manager – Packaging & Formula
Added 22 mins ago
S
Lead Business Consultant, Investment Operations
SimCorp
Toronto, ON
- Full-time
Close cooperation with the project manager and key role in developing projects to success
Added 22 mins ago
SI
Continuous Improvement, Site Lead
Saputo Inc.
Georgetown, ON
- Full-time
…operations. The CI Site Lead provides support for the Plant Manager and is responsible for identifying, driving, and sustaining long term improvement in the…
Added 22 mins ago
GC
Full-time Housekeeping Supervisor
Great Canadian Entertainment
Toronto, ON
- Full-time
Under the general direction of the Manager, Facilities, this position is responsible for monitoring the day-to-day activities of the housekeeping operations, provides input on performance…
Added 22 mins ago
PERSONAL SUPPORT WORKER
Southbridge Healthcare LP
London, ON
Southbridge Care Homes provides exceptional acquisition, management, and redevelopment services for long-term care homes and retirement communities across Ontario. Our mission is to…
Added 22 mins ago
DIRECTOR OF CARE
Southbridge Healthcare LP
Stratford, ON
Southbridge Care Homes provides exceptional acquisition, management, and redevelopment services for long-term care homes and retirement communities across Ontario. Our mission is to…
Added 22 mins ago
PERSONAL SUPPORT WORKER
Southbridge Healthcare LP
London, ON
Southbridge Care Homes provides exceptional acquisition, management, and redevelopment services for long-term care homes and retirement communities across Ontario. Our mission is to…
Added 22 mins ago
ACTIVATION AIDE
Southbridge Healthcare LP
Kitchener, ON
Southbridge Care Homes provides exceptional acquisition, management, and redevelopment services for long-term care homes and retirement communities across Ontario. Our mission is to…
Added 22 mins ago
DIETITIAN
Southbridge Healthcare LP
St. Catharines, ON
As a member of the Clinical Team, the Dietitian consults with and advises the Food Service Manager and Director of Care concerning nutrition and hydration program needs. The Dietitian is…
Added 22 mins ago
ACTIVATION AIDE
Southbridge Healthcare LP
Kitchener, ON
Southbridge Care Homes provides exceptional acquisition, management, and redevelopment services for long-term care homes and retirement communities across Ontario. Our mission is to…
Added 22 mins ago
DIETITIAN
Southbridge Healthcare LP
Stratford, ON
As a member of the Clinical Team, the Dietitian consults with and advises the Food Service Manager and Director of Care concerning nutrition and hydration program needs. The Dietitian is…
Added 22 mins ago
EXECUTIVE DIRECTOR
Southbridge Healthcare LP
Ottawa, ON
Southbridge Care Homes welcomes those applicants with disability related needs and those whom a need for accommodation in the recruitment process. Please provide notice of your need for…
Added 22 mins ago
HART Hub Support Worker
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Thunder Bay, ON
…funded by Ontario Health, emphasizing access to primary health care and prevention programs and…
Added 22 mins ago
HART Hub Operations Manager
NorWest Community Health Centres
Thunder Bay, ON
…funded by Ontario Health, emphasizing access to primary health care and prevention programs and…
Added 22 mins ago
Registered Practical Nurse (RPN)
NorWest Community Health Centres
Thunder Bay, ON
…funded by Ontario Health, emphasizing access to primary health care and prevention programs and…
Added 22 mins ago
Harm Reduction Support Worker
NorWest Community Health Centres
Thunder Bay, ON
…funded by Ontario Health, emphasizing access to primary health care and prevention programs and…
Added 22 mins ago
R
Relationship Manager Commercial Markets
RBC
Brantford, ON
- Full-time
…advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is…

Lyft

Senior Machine Learning Engineer, Recommendations

Toronto, ON, Canada

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Job details

Experience: 5+ years (or Ph.D. with 3+ years) of experience in machine learning modelling or related fields
Posting language: English
Posted: Oct 6, 2026

Original job description

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive.

With a billion rides per year and counting, Lyft is solving hard problems in a rapidly growing domain with a lot of data and creative solutions in Rider, Marketplace, Growth, and beyond. While traditional approaches to optimization and problem decomposition are sufficient to disrupt transportation, building a next-generation platform for low-cost, ultra-immersive transportation to improve people's lives warrants modern ML utilizing peta-byte scale data. Our highly motivated Machine Learning Engineers work on these challenging problems and define solutions to directly impact various aspects of our core business.

If you are a critical thinker with experience in machine learning workflows and LLMs, passionate about solving business problems using data and working in a dynamic, creative, and collaborative environment, we are searching for you.

We are seeking a Senior Machine Learning Engineer to join the Rider Applied AI team and lead the design, development, and deployment of state-of-the-art machine learning and artificial intelligence systems. This role requires a strategic thinker who can balance high-level system architecture with hands-on technical implementation. You will collaborate across teams to shape the future of ride-sharing by leveraging AI, Machine learning and Data science.

Responsibilities:

Model Development & Research: Design, build, and deploy machine learning models for real-time applications, including translating state-of-the-art research into production-ready solutions.
System Design: Architect scalable, reliable ML pipelines that integrate seamlessly with existing backend systems.
Innovation & Applied Research: Stay ahead of the curve by exploring emerging algorithms, technologies (such as LLMs and LLM-based applications), and frameworks - critically evaluating new research and identifying high-impact use cases across business areas.
Collaboration: Partner with ML engineers, product managers, data scientists, and software engineers to align ML initiatives with business goals.
Data-Driven Decision Making: Leverage data-driven insights to inform and refine ML strategies and solutions.
Mentorship & Technical Leadership: Provide technical direction, mentor Junior engineers, and foster a culture of learning and collaboration.
Code Quality: Write production-level code and participate in code reviews to ensure quality and share knowledge across the team.

Experience:

M.S. or Ph.D. in Computer Science or related technical field
5+ years (or Ph.D. with 3+ years) of experience in machine learning modelling or related fields
Experience with deep learning technologies for recommendation systems, including TensorFlow, PyTorch, or similar frameworks
Understanding of statistical concepts such as hypothesis testing, regression analysis, and performance evaluation metrics for machine learning
Experience with translating state-of-the-art ML research into production systems
Proficiency in Python, Golang, or other programming language
Proven ability to tackle ambiguous problems and deliver solutions at scale.
Strong communication and interpersonal skills for effective cross-functional collaboration.

Benefits:

Extended health and dental coverage options, along with life insurance and disability benefits
Mental health benefits
Family building benefits
Child care and pet benefits
Access to a Lyft funded Health Care Savings Account
RRSP plan with company match to help save for your future
In addition to provincial observed holidays, salaried team members are covered under Lyft's flexible paid time off policy. The policy allows team members to take off as much time as they need (with manager approval). Hourly team members get 15 days paid time off, with an additional day for each year of service
Lyft is proud to support new parents with 18 weeks of paid time off, designed as a top-up plan to complement provincial programs. Biological, adoptive, and foster parents are all eligible.
Subsidized commuter benefits and Lyft ride credits

Lyft is committed to creating an inclusive workforce that fosters belonging. Lyft believes that every person has a right to equal employment opportunities without discrimination because of race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, marital status, family status, disability, pardoned record of offences, or any other basis protected by applicable law or by Company policy. Lyft also strives for a healthy and safe workplace and strictly prohibits harassment of any kind. Accommodation for persons with disabilities will be provided upon request in accordance with applicable law during the application and hiring process. Please contact your recruiter if you wish to make such a request.

Lyft highly values having employees working in-office to foster a collaborative work environment and company culture. This role will be in-office on a hybrid schedule - Team Members will be expected to work in the office at least 3 days per week, including on Mondays, Wednesdays, and Thursdays. Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role. Your recruiter can share more information about the various in-office perks Lyft offers. Additionally, hybrid roles have the flexibility to work from anywhere for up to 4 weeks per year. #Hybrid

The expected base pay range for this position in the Toronto area is $149,600-$187,000 CAD, not inclusive of potential equity offering, bonus or benefits. Salary ranges are dependent on a variety of factors, including qualifications, experience and geographic location. Your recruiter can share more information about the salary range specific to your working location and other factors during the hiring process.

Lyft may use artificial intelligence to screen applicants, however, Lyft employees make the ultimate selection and hiring decisions.

This job fills an existing vacancy.

Apply About employer

More about this job

Responsibilities

The role involves designing, building, and deploying scalable machine learning models for real-time applications while architecting reliable ML pipelines. You will also provide technical leadership, mentor junior engineers, and collaborate across teams to align ML initiatives with business goals.

Requirements

Candidates must hold an M.S. or Ph.D. in Computer Science or a related field with at least 5 years of experience in machine learning modeling. Proficiency in Python or Golang, deep learning frameworks, and the ability to translate research into production systems are required.

Skills

Machine learning
Deep learning
Recommendation systems
TensorFlow
PyTorch
Python
Golang
System architecture
LLMs
Statistical analysis
Regression analysis
Hypothesis testing
Data science
Technical leadership
Mentorship
Production-ready deployment

Benefits

Extended health and dental coverage
Life insurance
Disability benefits
Mental health benefits
Family building benefits
Child care benefits
Pet benefits
Health Care Savings Account
RRSP plan with company match
Flexible paid time off
Paid parental leave
Subsidized commuter benefits
Lyft ride credits

Visa sponsorship

Not detected in the job text

Keywords

Machine Learning
Artificial Intelligence
Recommendation Systems
Deep Learning
TensorFlow
PyTorch
Python
Golang
LLMs
Data Science
System Architecture
ML Pipelines
Regression Analysis
Hypothesis Testing
Production Engineering
Applied AI
Software Engineering
Technical Leadership
Mentorship
Ride-sharing
Data-driven decision making
Scalable systems
Algorithm development
Research to production
Cross-functional collaboration

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