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Added 2 months ago
Senior, AI & Data Science
Welcome to the Jungle
Montreal, QC
Artefact is looking for a Senior AI & Data Scientist: a scientist who owns models end to end, from problem framing through production.
Added 2 months ago
FG
Lead Software Engineer, Full-Stack Applications - Ratings Technology
Fitch Group
Toronto, ON
- $180,000 to $220,000 CAD / year
Lead Software Engineer, Full-Stack Applications – AI Fluent
Added 2 months ago
W
Senior Software Developer, LLM Infrastructure
Wealthsimple
Canada
- Full-time
As a Senior Software Engineer on the ML Infrastructure team, you will design and implement the core backend and infrastructure powering our AI systems. You will work closely with data…
Added 1 month ago
Security Operations Engineer
Take-Two Interactive Software, Inc.
Toronto, ON
We are looking for a Security Operations Engineer to support, maintain, and contribute to our Security Orchestration, Automation, and Response (SOAR) platform. In this role, you'll work…
Added 2 months ago
AI & Agentic Engineer, Senior
Welcome to the Jungle
Montreal, QC
Artefact is looking for a Senior AI & Agentic Engineer: a full-stack engineer who takes AI features from idea to production.
Added 2 months ago
SS
Financial Engineer, truView, Vice President
State Street
Toronto, ON
- Full-time
…team communicates with internal and external stakeholders - senior management, operations staff, model validators, and client representatives - to ensure that models are documented,…
Added 2 months ago
PI
AI Engineer (Agentic Workflows)
Protocase Inc./45Drives Ltd.
NS · Sydney, Nova Scotia
- Full-time
Position Title: AI Engineer (Agentic Workflows)
Added 2 months ago
TR
Lead Cloud Platform Engineer, Azure
Thomson Reuters
Toronto, ON · Canada, Toronto, Ontario
- Full-time
This is a hands-on senior individual contributor position with broad technical authority. You will write Bicep, operate and improve our AKS footprint, review other people’s infrastructure…
Added 2 months ago
T
Senior/Staff Software Engineer, Data Platform
Terminal
Toronto, ON
- $200,000 to $295,000 CAD / year
- Full-time
We're looking for an engineer who thrives on building scalable platforms and enjoys tackling hard data and backend challenges. This isn't a data engineering role: you'll design and optimize…
Added 2 months ago
PE
Senior Embedded Linux Developer (Audio Platforms)
Paradigm Electronics Inc.
Ottawa, ON
- $110,000 to $145,000 CAD / year
- Full-time
We are looking for a Senior Embedded Linux Developer to engineer, maintain, and optimize the core Linux foundation for our next-generation streaming audio products. You will assume…
Added 2 months ago
H
Senior Software Engineer, Machine Learning
Hive
Remote, Canada
- $123,600 to $187,900 USD / year
- Full-time
- Remote
As a Senior Data Engineer, you’ll play a vital role in evolving our data platform, which directly determines what our customers can do, how fast our product moves, and how confidently…
Added 2 months ago
C
Senior Software Engineer
Clutch
Toronto, ON
- $160,000 to $200,000 USD / year
- Full-time
Have experience with one or more modern programming languages such as TypeScript, Python, Go, Java, C#, Rust, or Ruby.
Added 2 months ago
F
Senior Security Engineer
Forma.ai
Toronto, ON
- $160,000 to $190,000 USD / year
- Full-time
As a Senior Security Engineer, you will be a hands-on technical leader strengthening security across Forma's application, cloud infrastructure, development lifecycle, internal systems, and…
Added 2 months ago
J
Senior Power System Studies Engineer
Jacobs
Calgary, AB
- $133,800 to $175,650 USD / year
- Full-time
As a power system studies engineer, you will closely work with regional and global power systems teams to support and/or lead ongoing projects as well as business development and proposal…
Added 2 months ago
J
Senior Power System Studies Engineer
Jacobs
Toronto, ON
- $133,800 to $175,650 USD / year
- Full-time
As a power system studies engineer, you will closely work with regional and global power systems teams to support and/or lead ongoing projects as well as business development and proposal…
Added 2 months ago
E
Project Engineer -Water & Wastewater
EXP
Brampton, ON
- Full-time
We are seeking a skilled and proactive Project Engineer with a strong background in water and wastewater linear infrastructure projects. The ideal candidate will have hands-on experience in…
Added 2 months ago
F
Senior Security Engineer
Forma.ai
Toronto, ON
- Full-time
As a Senior Security Engineer, you will be a hands-on technical leader strengthening security across Forma's application, cloud infrastructure, development lifecycle, internal systems, and…
Added 2 months ago
WT
Senior Software Developer, LLM Infrastructure
Wealthsimple Technologies
Remote, Canada
- $152,900 to $189,000 CAD / year
- Full-time
- Remote
As a Senior Software Engineer on the ML Infrastructure team, you will design and implement the core backend and infrastructure powering our AI systems. You will work closely with data…
Added 2 months ago
H
Senior Firmware and Embedded Software Engineer
Humanoid
Burnaby, BC
- Full-time
We are looking for an Firmware and Embedded Software Engineer to design and develop the real-time software systems that control our humanoid robots.
Added 2 months ago
BC
Sr. Site Reliability Engineer
Blackpoint Cyber
Remote, Canada
- $155,000 to $185,000 CAD / year
- Full-time
- Remote
We're hiring a Senior Site Reliability Engineer to design, implement, and maintain our cloud and on-premise infrastructure and CI/CD pipelines, with a focus on automation, scalability, and…
Added 1 month ago
Senior Software Engineer, Recommendations
Lyft
Toronto, ON
The Applied AI team is looking for a senior software Engineer to join the Recommendations team. You will build the backend systems that decide what we surface to riders. You will architect…
Added 2 months ago
E
Senior DevOps Engineer
e-STORAGE
Kitchener, ON
- Full-time
We are seeking a talented Sr DevOps Engineer to join our dynamic team and contribute to the delivery of on-site and cloud-based Energy Management System (EMS) for utility grade systems. The…
Added 2 months ago
SD
DevOps Engineer - Senior
Symbiotic Digital
ON · Downtown Toronto (CN Tower / King and Spadina / Railway Lands / Harbourfront West / Bathurst Quay / South Niagara / YTZ), Ontario
- Contract
We are seeking a Senior DevOps/Cloud Engineer to support the
Added 2 months ago
XR
Senior AI - Computer Vision Engineer
XYZ Reality
Remote, Canada
- Full-time
- Remote
We’re looking for a Senior AI / Computer Vision Engineer with deep expertise in 3D computer vision and spatial AI to join the team and help develop the next generation of perception…
Added 2 months ago
SG
Senior Machine Learning Engineer
Scientific Games
Toronto, ON · HR Toronto - Canada
- Full-time
We are looking for a Senior Machine Learning Engineer to help build the foundations of our machine learning platform from the ground up. This role is not about creating a centralized…

Lyft

Senior Software Engineer, Recommendations

Toronto, ON, Canada

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Job details

Experience: 5+ years of software engineering/production infrastructure industry experience.
Posting language: English
Posted: Sep 2, 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.

Lyft is looking for software engineers from a scope of disciplines. We are growing our team with people who want to build, improve and incorporate technologies that make the lives of our community more enriched. As an engineer at Lyft, you'll collaborate with teams like product, data science, analytics, and operations on code that empowers us to iterate quickly, while focusing on delighting our passengers and drivers.

The Applied AI team is looking for a senior software Engineer to join the Recommendations team. You will build the backend systems that decide what we surface to riders. You will architect the pipelines and services that turn rider context and signals into the right offer at the right moment, driving a measurable impact on rider experience.

Responsibilities:

Establish engineering best practices and patterns; help uplift the team's craft and drive a culture of engineering excellence
Drive high-impact projects and innovate new solutions to deliver the best user experience
Produce and drive scalable system design for large, complex features - from idea through execution and launch
Mentor engineers on the team, providing technical guidance and supporting their growth
Champion and evangelize the use of AI tools to accelerate engineering productivity across the team, sharing patterns and best practices that raise the bar for how the team builds
Write well-crafted, well-tested, readable, maintainable code
Participate in code reviews to ensure code quality and share knowledge across the team
Participate in the team's on-call rotation; identify, triage, debug, and resolve issues across our applications and platforms
Excellent communication skills and the ability to explain the various trade offs made in decisions
Manage project priorities, deadlines, and deliverables.

Experience:

BS/MS or equivalent in Computer Engineering, Computer Science, or related field or equivalent practical experience.
5+ years of software engineering/production infrastructure industry experience.
Experience with Python and Go.
Experience with cloud platforms (AWS, GCP, or Azure), distributed systems, and databases such as PostgreSQL or DynamoDB
Proficient and effective in using AI tools (e.g. Copilot, Claude Code, Cursor) to accelerate coding and engineering workflows
Proficiency in object-oriented programming.
Experience working with data structures or algorithms.
Ability to work with a low-ego, highly collaborative, and cross-functional team.
Bonus points: Experience building real-time serving systems for ML models, working with recommendation or ranking systems, feature stores, or online/offline experimentation frameworks.

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 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

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 CAD $136,000 - CAD $170,000, 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

You will architect backend systems and pipelines that turn rider context into personalized offers to improve the user experience. Additionally, you will mentor team members, establish engineering best practices, and participate in on-call rotations to maintain system reliability.

Requirements

Candidates must have a BS/MS in Computer Science or a related field and at least 5 years of software engineering experience. Proficiency in Python, Go, cloud platforms, and distributed systems is required, along with experience in AI tools and object-oriented programming.

Skills

Python
Go
AWS
GCP
Azure
Distributed systems
PostgreSQL
DynamoDB
Object-oriented programming
Data structures
Algorithms
Machine learning
System design
Mentorship
Communication skills
Project management

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
Flexible paid time off
Paid parental leave
Subsidized commuter benefits

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
Recommendations
Applied AI
Backend Systems
Python
Go
AWS
GCP
Azure
Distributed Systems
PostgreSQL
DynamoDB
Copilot
Claude Code
Cursor
Object-Oriented Programming
Data Structures
Algorithms
Machine Learning
Ranking Systems
Feature Stores
Experimentation Frameworks
System Design
Mentorship
Hybrid Work
Engineering Excellence
Cloud Platforms
Real-time Serving
Productivity
Code Reviews

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