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Added 22 mins ago
AA
Ingénieur principal ou ingénieure principale en assurance qualité des logiciels/Senior Software Quality Assurance Engineer (ALQ)
Aviya Aerospace Systems
Longueuil, QC
- Full-time
Aviya Aerospace Systems is a leader in engineering services and solutions for mission critical Aerospace and Defense applications. Aviya provides expertise in program management, systems,…
Added 22 mins ago
CC
Night Supervisor, Maintenance
Coca-Cola Canada Bottling Limited
Brampton, ON
- Full-time
Mechanical Engineering or Electrical Engineer background preferred.
Added 22 mins ago
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DevOps Team Lead
Pixieset
Vancouver, BC
- Full-time
…engineering, SRE, or related engineering work, with ownership of systems through implementation and ongoing operation. The depth and breadth of your experience matter more than years…
Added 38 mins ago
TT
Energy Services Project Developer
trane technologies
Calgary, AB · AB · Burnaby, BC · ON · Markham, Ontario · Edmonton, Alberta
- Full-time
Be a part of our mission! As a world leader in creating comfortable, sustainable, and efficient climate solutions for buildings, homes and transportation, it's our responsibility to put the…
Added 1 hour ago
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Global Methods Engineer - Machining
Safran
Mirabel, QC
- Full-time
…(propulsion, equipment, and interiors), space, and defense. Its mission: to contribute sustainably to a safer world, where air transport becomes increasingly environmentally friendly, more…
Added 1 hour ago
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Senior/Staff Software Engineer - Tech Lead
OpenMined
Remote, Canada
- $126,000 to $188,000 USD / year
- Contract
- Remote
We're looking for a Senior / Staff Software Engineer to join OpenMined, a nonprofit building open-source infrastructure for federated AI.
Added 1 hour ago
BC
Lead Electrical Engineer
Bantrel Co.
AB · Edmonton, AB
- Full-time
We are currently seeking a qualified Lead Electrical Engineer to join our Energy team, based out of Edmonton, AB. This is a leadership opportunity for an experienced engineer who enjoys…
Added 2 hours ago
MC
Staff Embedded Software Firmware Engineer (35836)
Myticas Consulting
Ottawa, ON
- Contract
We are seeking a Staff Embedded Software/Firmware Engineer to design, develop, and test mission-critical firmware components for advanced embedded optical systems. This is a one-year…
Added 2 hours ago
P
DevOps Team Lead
Pixieset
Vancouver, BC
- Full-time
…engineering, SRE, or related engineering work, with ownership of systems through implementation and ongoing operation. The depth and breadth of your experience matter more than years…
Added 2 hours ago
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Gameplay AI Engineer - Sledgehammer Games
Activision
Toronto, ON
- Other
Our team is seeking a dedicated and passionate Gameplay AI Engineer who will work closely with other engineers and content teams to expand our AI systems to create new and exciting…
Added 3 hours ago
PE
Junior Air Emissions Engineer
Process Ecology Inc
Calgary, AB
- Full-time
● Assist in the development of systems / workflows for regulatory compliance.
Added 3 hours ago
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System Engineer
MCAP
Cambridge, ON · Greater Kitchener-Cambridge-Waterloo Metropolitan Area
- Full-time
…the deployment, monitoring and management of the Operating…
Added 3 hours ago
HA
Intern Bachelors Test Eng
Honeywell Aerospace
Ottawa, ON · Kanata, ON
- Full-time
The successful candidate will join the Honeywell Aerospace SATCOM Test Systems organization as a Qualification Test Engineer Intern. In the role of Qualification Test Engineer Intern,…
Added 4 hours ago
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Software Development Engineer in Test, Evisort AI
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
Our mission is to change the way business deals get done. In an industry plagued by inefficient and ineffective contract management systems, we provide a solution that accelerates, scales,…
Added 4 hours ago
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Senior Staff Software Engineer - Money Boxes
Nubank
Toronto, ON
- Full-time
Senior IC Track Record: Proven experience as a senior technical leader (Staff/Senior Staff level) designing, operating, and scaling highly available, mission-critical distributed systems.
Added 4 hours ago
BC
Lead Electrical Engineer
Bantrel Co.
Edmonton, AB
- Full-time
We are currently seeking a qualified Lead Electrical Engineer to join our Energy team, based out of Edmonton, AB. This is a leadership opportunity for an experienced engineer who enjoys…
Added 5 hours ago
RD
Quality Engineer
Randstad Digital
Toronto, ON
- Contract
In this role, you will lead quality engineering, integration verification, and data integrity validation across mission-critical wholesale banking and payment applications. You will support…
Added 5 hours ago
Night Supervisor, Maintenance
CONA Services
Brampton, ON
Mechanical Engineering or Electrical Engineer background preferred.
Added 5 hours ago
CL
Senior Cloud DevOps Engineer
Charger Logistics Inc.
Brampton, ON
- Full-time
The Senior Cloud DevOps Engineer will design and implement enterprise-scale cloud infrastructure, drive automation strategies, and mentor engineering teams while architecting…
Added 5 hours ago
HA
Advanced Manufacturing Engineer I
Honeywell Aerospace
Mississauga, ON
- Full-time
As an Advanced Manufacturing Engineer I here at Honeywell Aerospace, you will support production and engineering teams across electronics assemblies, sealants, coatings, adhesives, chemical…
Added 6 hours ago
S
Structural Engineer, Telecom
Stantec
Markham, ON
- Full-time
Stantec’s Buildings team is on a mission to become the world’s leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists,…
Added 6 hours ago
P
Graphics Specialist – Building Automation / EBO (GSBA004)
Potenco
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Our Client is an established technology and systems integration organization supporting commercial, institutional, industrial, mission-critical, and enterprise environments.
Added 6 hours ago
MC
Senior Software Engineer - Brokerage Platform
Moomoo Canada
Toronto, ON · North York, ON
- Full-time
Experience building brokerage, trading, securities, financial services, or other mission-critical backend systems is highly preferred.
Added 6 hours ago
SS
Drafter
Sunbelt Solomon
AB · Edmonton, AB
- Full-time
…formal training in drafting who is comfortable working from engineer and designer markups, sketches, existing drawings, and project information to produce accurate, consistent, professional…
Added 7 hours ago
S
Senior Fire Protection Engineer
Stantec
Markham, ON
- Full-time
We are seeking a Senior Fire Protection Engineer to join our national fire protection engineering team. In this role, you will plan, design, and deliver complex fire protection systems for…

Stripe

PhD Machine Learning Engineer, Intern

Toronto, ON, Canada

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Applications open in a new tab.

Job details

Posting language: English
Posted: Oct 30, 2026

Original job description

Who we are

About Stripe

Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career.

What you’ll do

About the internship

Stripe's Applied ML, Data Science, Risk, and Payments organizations are excited to offer PhD machine learning engineering internships for the summer of 2027. This is an exceptional opportunity to contribute to critical projects that directly enhance Stripe's suite of products, focusing on areas such as foundation models used for dozens of tasks e.g. fraud detection, enhanced support, and predicting user behavior.

As an intern, you'll tackle challenging problems at the intersection of finance, technology, and data. You'll have the chance to work on creative projects like the Stripe Assistant and the Stripe Foundation Model, which leverage machine learning to revolutionize how businesses interact with financial services and data.

Responsibilities

Develop and deploy large-scale machine learning systems that drive significant business value across various domains.
Engage in the end-to-end process of designing, training, improving, and launching machine learning models.
Write production-scale ML models that will be deployed to help Stripe enable economic infrastructure access for a diverse range of businesses globally.
Collaborate across teams to incorporate feedback and proactively seek solutions to challenges.
Rapidly learn new technologies and approaches, demonstrating a strong ability to ask insightful questions and communicate the status of your work effectively.

Who you are

Minimum requirements

A deep understanding of computer science, obtained through the pursuit of a PhD in Computer Science, Machine Learning, or a closely related field, with the expectation of graduating in winter 2027 or spring/summer 2028.
Practical experience with programming and machine learning, evidenced by projects, classwork, or research. Familiarity with languages such as Python, Scala, Spark and libraries such as Pandas, NumPy, and Scikit-learn.
Expertise in areas of machine learning such as supervised and unsupervised learning techniques, ML operations, and possibly experience in Large Language Models or Reinforcement Learning.
Demonstrated ability to work on collaborative projects, with experience in receiving and applying feedback from various stakeholders.
A proactive approach to learning unfamiliar systems and a demonstrated ability to understand complex systems independently.
Intent to return to the degree-program after the completion of the internship/co-op.

Preferred qualifications

You Might Also Have:

Two years of university education or equivalent experience, with in-depth knowledge in specific domains of machine learning.
Published and presented peer-reviewed articles in top-tier venues.
Experience in writing high-quality pull requests, maintaining good test coverage, and completing projects with minimal defects.
Familiarity with navigating new codebases and managing work across different programming languages.
Excellent written communication skills to clearly articulate your work to both team members and wider Stripe audiences.

Application requirements

Please submit the following with your application:

A detailed resume or LinkedIn profile showcasing your work history.
Examples of relevant work and your approach to learning, such as GitHub repositories, StackOverflow contributions, or other project portfolios.

Join us for an unforgettable summer internship and help shape the future of global commerce. At Stripe, you won't just be working on theoretical projects; you'll make a tangible impact on the world's economic infrastructure.

Apply About employer

More about this job

Responsibilities

Develop and deploy large-scale machine learning systems that drive significant business value across various domains. Engage in the end-to-end process of designing, training, improving, and launching production-scale machine learning models.

Requirements

Candidates must be currently pursuing a PhD in Computer Science, Machine Learning, or a related field with an expected graduation in 2027 or 2028. Practical experience with programming, machine learning libraries, and collaborative project work is required.

Skills

Machine Learning
Python
Scala
Spark
Pandas
NumPy
Scikit-learn
ML Operations
Large Language Models
Reinforcement Learning
Supervised Learning
Unsupervised Learning
Data Science
Software Engineering
Financial Infrastructure

Visa sponsorship

Not detected in the job text

Keywords

Machine Learning
PhD
Stripe
Financial Infrastructure
Python
Scala
Spark
Pandas
NumPy
Scikit-learn
ML Operations
Large Language Models
Reinforcement Learning
Supervised Learning
Unsupervised Learning
Data Science
Fraud Detection
Predictive Modeling
Software Development
Computer Science
Internship
Production-scale
Foundation Models
Stripe Assistant

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