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Added 11 mins ago
T
Senior Mongo DBA
TD
Toronto, ON · Mississauga, ON
- Full-time
The Senior Mongo Database Administrator is responsible for operational support, maintenance, and optimization of enterprise database platforms including Microsoft SQL Server and MongoDB.…
Added 11 mins ago
T
Bus Operations Support Lead I
TD
Toronto, ON
- Full-time
Provide assistance / training to junior staff as required
Added 11 mins ago
CN
E&I Maintenance Planner
Canadian Natural
Fort McMurray, AB
- Full-time
…while ensuring that all Maintenance Planning activities in U2 support the wider business needs of Horizon Oil Sands…
Added 11 mins ago
S
Senior Project Controls Specialist, Planning & Scheduling
Stantec
Burnaby, BC
- Full-time
Provide technical support and oversight to contractors by validating scheduling methodologies, resource and cost loading, activity durations, logic, float, and critical path.
Added 12 mins ago
RA
Junior Financial Analyst
Recrute Action
ON · Toronto, Waterloo, Ontario
- Contract
…business environment. This opportunity offers the chance to support critical accounting and financial reporting activities while working closely with multiple business partners. You will…
Added 27 mins ago
GD
Junior - Intermediate Payroll Administrator
General Dynamics Missions System International
Ottawa, ON
- Full-time
General Dynamics Mission Systems–Canada is currently hiring a Junior–Intermediate Payroll Administrator to join our Payroll team. We are looking for someone who thrives in a dynamic…
Added 39 mins ago
HE
ELECTRICAL & INSTRUMENTATION PLANNER
HWN Energy Ltd.
Alexis Whitecourt 232, AB · Whitecourt, AB
- Full-time
· Demonstrated ability to mentor and provide technical guidance to apprentices, junior technicians, and other maintenance personnel.
Added 41 mins ago
OE
Junior Reservoir Engineer - Light Oil
Obsidian Energy Ltd.
Calgary, AB
- Full-time
Obsidian Energy is seeking a Junior Reservoir Engineer to join our Light Oil Development team. Engineers-in-Training (E.I.T.s) are welcome to apply. We are looking for an enthusiastic,…
Added 41 mins ago
WH
Senior Electrical Design Engineer
Waterstone Human capital
Toronto, ON
- Full-time
Provide informal mentorship and technical guidance to intermediate and junior designers on the team
Added 57 mins ago
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Principal Mechanical Engineer
Worley
Edmonton, AB · Calgary, AB
- Full-time
Support the professional development of junior and intermediate mechanical engineers through mentoring and technical guidance.
Added 57 mins ago
IN
Senior Hydrogeologist/Groundwater Modeler (CAN)
ITASCA North America
Remote, Canada
- $145,000 to $180,000 CAD / year
- Full-time
- Remote
…models, numerical simulations, and project constraints into clear technical insight. Your work may support mine water management, dewatering and depressurization strategies, groundwater…
Added 57 mins ago
IN
Senior Hydrogeologist (CAN)
ITASCA North America
Remote, Canada
- $145,000 to $180,000 CAD / year
- Full-time
- Remote
…investigations, groundwater flow and contaminant transport modeling, and technical reporting. Mining experience is strongly valued, particularly in mine water management, dewatering,…
Added 57 mins ago
IN
Principal Geomechanics Engineer (CAN)
ITASCA North America
Remote, Canada
- $180,000 to $230,000 CAD / year
- Full-time
- Remote
This role is suited for a senior technical and client-facing leader with strong practical experience, sound engineering judgment, and credibility with mining clients. You will guide complex…
Added 57 mins ago
IN
Senior Geomechanics Engineer (CAN)
ITASCA North America
Remote, Canada
- $130,000 to $180,000 CAD / year
- Full-time
- Remote
Mentor junior engineers in engineering interpretation, modeling practice, and technical communication.
Added 1 hour ago
Assistant Controller - (18 months Contract)
Hudbay Minerals
Toronto, ON
…will define our future. This level of leadership is where your technical mastery meets Strategic Impact. You are no longer just managing operations; you are building the international…
Added 1 hour ago
Junior Business Analyst
Government of Alberta
AB
The Citizen Experience branch is looking for a Junior Business Analyst. Reporting to the Manager, Technical Standards, this position supports branch and divisional priorities through…
Added 1 hour ago
TC
Junior Interior Designer
Trickle Creek Homes
Calgary, AB
- Full-time
…with our trade partners and can work with a team to complete technical packages and selections for our clients. You create innovative designs and presentations with your savvy tech skills,…
Added 1 hour ago
PC
Technical Support Team Lead
Powerhouse Controls Ltd
Cambridge, ON
- Full-time
We bring exceptional technical and engineering experience to the table, but what really sets us apart is an unsurpassed level of passion and commitment. We listen, question, collaborate,…
Added 1 hour ago
GD
Junior - Intermediate Payroll Administrator
General Dynamics Mission Systems–Canada
Ottawa, ON
- Full-time
General Dynamics Mission Systems–Canada is currently hiring a Junior–Intermediate Payroll Administrator to join our Payroll team. We are looking for someone who thrives in a dynamic…
Added 1 hour ago
MI
Intermediate Layout Technician
Magna International
Milton, ON
- Full-time
…technologies. We invest in our employees, providing them with the support and resources they need to succeed. As a member of our global team, you can expect exciting, varied…
Added 1 hour ago
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Full Stack Engineer
Leyton
AB · Alberta, Canada
- €30,000 to €50,000 EUR / year
- Full-time
Visa sponsorship and relocation support available
Added 1 hour ago
ND
AI Solution Architect/FDE (AWS and Azure)
NTT DATA North America
Toronto, ON
- Other
Mentor junior engineers and foster a culture of applied innovation and technical excellence
Added 1 hour ago
AI
Staff Engineer
Atlantis IT Group
Toronto, ON
- Contract
Leads development teams in the delivery of capabilities, providing technical direction and guidance to junior developers and team members and ensuring the successful execution of complex…
Added 1 hour ago
VE
Renewable energy system in container Junior Assembler – Training Provided
Volts Energies
Laval, QC
- Full-time
Volts Energies is looking for a motivated person to join our production team as a Junior Assembler. This position is ideal for someone who wants to learn, grow, and build a career with us…
Added 1 hour ago
T
Senior Mongo DBA
TD
Mississauga, ON
- Full-time
The Senior Mongo Database Administrator is responsible for operational support, maintenance, and optimization of enterprise database platforms including Microsoft SQL Server and MongoDB.…

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.

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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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