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Big data engineer Jobs in Markham, ON

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Last updated: 4 days ago

Data Scientist II

The Toronto-Dominion Bank (Canada)Markham, Ontario
Full-time

Are you passionate about analytics and working with big data? Want to drive change and become a subject matter expert in fraud management? If so, join the Canadian Fraud Performance Management Team... Show more

Data Entry Associate

ABL EmploymentVaughan, ON
Full-time +1

Data Entry position working with a pharmaceutical distribution company.This will be a 6-12 month contract working full-time hours.Respond to customer requests regarding transportation issues.Data e... Show more

Data Systems Agent

FedExSCARBOROUGH, Ontario, CA
Part-time

Accurately enter data into computerized system.Sort, split, batch and image airbills and relevant documents for customs and archival purposes.Maintain files, gather and research data to generate re... Show more

ITAM Data Reporting Analyst

BMO Financial GroupScarborough, ON
CA$35.00 hourly
Temporary

BMO is an organization driven by a shared Purpose: Boldly Grow the Good in business and life.It calls on members of its team, to create lasting, positive change for its customers, its communities, ... Show more

Data Labeling Specialist: Remote Contract

WorkadaRichmond Hill, Ontario, ca
Remote
Full-time

Evaluate outputs from AI models, text, images, video, and documents against detailed criteria.Assess quality, spot errors and inconsistencies, and write clear, well-reasoned justifications for your... Show more

 • Promoted

Senior Data Engineer

STACK IT RecruitmentMarkham, ON, CA
CA$90,000.00 yearly
Full-time +1
Quick Apply

Are you passionate about building modern data platforms and turning scattered operational data into analytics the business actually trusts?.Canadian consumer goods distributor that is investing ser... Show more

SoC Data Path Engineer

Advanced Micro Devices, IncMARKHAM, Ontario, Canada
Full-time

At AMD, we believe technology can change lives for the better.It can heal us, entertain us, and make us more connected, productive, and understanding of the world around us.And we’re looking for ta... Show more

Research Engineer - AI Data Security

Huawei Technologies Canada Co., Ltd.Markham, ON, CA
CA$127,000.00 yearly
Temporary

Huawei Canada has an immediate 12-month contract opening for a Research Engineer.The Huawei Digital Trust Lab is on a mission to enhance consumer, embedded and enterprise computing platforms by bui... Show more

Data Specialist

University of TorontoScarborough, ON, CA
Full-time +1

UTSC:Ctr-Teaching & Learning.University of Toronto Scarborough (UTSC).The University of Toronto Scarborough is a place of energy, enthusiasm and passion.Our commitment to inclusive excellence a... Show more

Data Platform Analyst (Azure)

Amphenol HSIOMarkham, ON, CA
CA$90,000.00 yearly
Full-time

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets.A... Show more

Data Labeling Specialist: Remote Contract

WorkadaWillowdale, Ontario, ca
Remote
Full-time

Evaluate outputs from AI models, text, images, video, and documents against detailed criteria.Assess quality, spot errors and inconsistencies, and write clear, well-reasoned justifications for your... Show more

 • Promoted

Data Labeling Specialist: Remote Contract

WorkadaMarkham, Ontario, ca
Remote
Full-time

Evaluate outputs from AI models, text, images, video, and documents against detailed criteria.Assess quality, spot errors and inconsistencies, and write clear, well-reasoned justifications for your... Show more

 • Promoted

Electrical Engineer

Inviro Engineered SystemsScarborough, ON, CA
CA$85,000.00 yearly
Full-time
Quick Apply

Electrical Design Engineer Full Time Are you a motivated and passionate individual, eager to advance your career?.As one of Canada’s leading Mechanical/Electrical engineering firms, INVIRO is... Show more

Data engineer

Maple Supply Chain Management IncMarkham, ON, Canada
Permanent

Conduct research regarding availability and suitability of data.Coordinate the development, installation, integration and operation of computer-based systems.Design methods of collecting and proces... Show more

Senior Data Analyst

Randstad CanadaNorth York, Ontario, CA
Temporary
Quick Apply

We are seeking a highly accomplished Senior Data Analyst for an enterprise-level contract opportunity based in Toronto.In this role, you will take on a premier analytical and technical capacity wit... Show more

Senior Technical Specialist, Data Automation

Ontario Medical AssociationHybrid - Toronto, ON, CA
CA$96,315.00 yearly
Permanent
Quick Apply

Are you looking to join one of  Greater Toronto’s Top 2026 Employers ?  The Ontario Medical Association (OMA) advocates for and supports doctors, seeking to strengthe... Show more

Data Labeling Specialist: Remote Contract

WorkadaNorth York, Ontario, ca
Remote
Full-time

Evaluate outputs from AI models, text, images, video, and documents against detailed criteria.Assess quality, spot errors and inconsistencies, and write clear, well-reasoned justifications for your... Show more

 • Promoted

Junior Engineer

Ameresco Canada IncRichmond Hill,Ontario,Canada
Full-time

NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the global energy transition.We are a trusted, full... Show more

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Data Scientist II

Data Scientist II

The Toronto-Dominion Bank (Canada)Markham, Ontario
14 days ago
Job type
  • Full-time
Job description

Description

:

About this Role

Are you passionate about analytics and working with big data? Want to drive change and become a subject matter expert in fraud management? If so, join the Canadian Fraud Performance Management Team.

You would be responsible for mining big data to discover actionable fraud insights, and to develop and implement fraud strategies in a fast paced environment. You would manage evolving fraud threats while taking into consideration TD risk appetite, Customer and operational experience. With strong technical, analytics background you would join the team to learn and manage 1 and 3 party fraud.

Accountabilities
Fraud Management

  • Develop and deploy product and channel-specific fraud strategies to reduce fraud risk balancing loss, Customer experience and operational capacity

  • Identify new fraud vectors and optimize existing rules using SQL, Python, and fraud authentication solutions

  • Conduct intra-day and weekly monitoring across products, channels, and risk segments

  • Provide ad-hoc analysis to support decision-making at the executive level

  • Continually optimize, improve, and strengthen fraud strategy and analytics capabilities

  • Independently investigate new, high-risk fraud threats under tight timelines

Job Requirements

  • Advanced proficiency in SQL, Python for data analysis, automation, and reporting

  • 2+ years of hands-on experience in an analytical capacity

  • Motivated to constantly strive to find innovative data-informed ways to enhance capabilities

  • In-depth knowledge of data science tools such as NumPy, pandas, matplotlib or R equivalent

  • Ability to communicate strategy analysis to both technical and non-technical team members

  • Passion and drive to take initiative and work independently under tight timelines

  • Ability to effectively manage multiple work streams and tasks at the same time

  • Undergraduate degree from a technical domain (e.g. computer science, engineering, mathematics, or statistics)

Preferable

  • Experience in fraud management is an asset

  • Machine learning development and deployment is an asset

  • Automation experience is an asset

Who We Are:

TD is one of the world's leading global financial institutions and is the fifth largest bank in North America by branches/stores. Every day, we strive to make every interaction, product, and experience remarkably human and refreshingly simple for over 27 million households and businesses in Canada, the United States and around the world. More than 95,000 TD colleagues bring their skills, talent, and creativity to foster deeper relationships, ensure disciplined execution, and build a simpler, faster banking experience. TD is deeply committed to being a leader in client experience, that is why we believe that all colleagues, no matter where they work, are client facing. Together, we are reimagining what banking can be for our clients, colleagues and communities.

Our Total Rewards Package
Our Total Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial, physical, and mental well-being goals. Total Rewards at TD includes a base salary, variable compensation, and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off, banking benefits and discounts, career development, and reward and recognition programs.

Additional Information:
We’re delighted that you’re considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we’re committed to providing the support our colleagues need to thrive both at work and at home.

Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations, requirements.


Colleague Development

If you’re interested in a specific career path or are looking to build certain skills, we want to help you succeed. You’ll have regular career, development, and performance conversations with your manager, as well as access to an online learning platform and a variety of mentoring programs to help you unlock future opportunities.

If you’re passionate about helping clients and building deep, lasting relationships, TD offers diverse career paths where you can grow your expertise and make a meaningful impact.

We're committed to your success and foster a respectful workplace where diverse perspectives are valued, everyone has fair opportunities to grow, and you can unlock your full potential to achieve your career goals. Here at TD, we hire and develop the best.

Training & Onboarding
We will provide training and onboarding sessions to ensure that you’ve got everything you need to succeed in your new role.

Interview Process
We’ll reach out to candidates of interest to schedule an interview. We do our best to communicate outcomes to all applicants by email or phone call.


Accommodation
Your accessibility is important to us. Please let us know if you’d like accommodations (including accessible meeting rooms, captioning for virtual interviews, etc.) to help us remove barriers so that you can participate throughout the interview process.

We look forward to hearing from you!

Language Requirement (Quebec only):

Sans Objet