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Data Rater Jobs in Mississauga, ON (NOW HIRING)

BMO Capital Markets

Lead Data Engineer

Toronto, ON

CA$75K - CA$141K/yr

  • Medical

  • Life

  • Retirement

Data Analytics & Reporting We are seeking a Lead Data Engineer with strong ETL and Application ... Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For ...

Fig

Data Science Manager, Risk

Toronto, ON

  • Medical

  • Dental

  • Vision

  • Retirement

Our commitment to customers is reflected in our 4.8 out of 5 Trustpilot rating. Backed by Fairstone ... Credit Risk Expert & Strategic Builder We are looking for a hands-on, data-obsessed Data Science ...

Farm Credit Canada

Senior Data Scientist

Toronto, ON · Hybrid

Minimum six years of experience in data science, analytics, economics, finance,corporate and commercial credit rating, risk management, credit risk modelling, credit portfoliomanagementor information ...

BMO Capital Markets

Vice President, Data Scientist

Toronto, ON

CA$120K - CA$150K/yr

  • Medical

  • Life

  • Retirement

As a Data Scientist, you will be responsible for developing and implementing advanced analytics and ... Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For ...

CorGTA

Data Scientist - 12 month contract

Toronto, ON · On-site

CA$70/hr

Data Scientist Rates: Up To $70.00 p/h INC. Structure: 12 month contract Location: North York, 1-2 days per month on-site -- We have a great new opportunity to support one of our clients in a ...

BMO Capital Markets

Associate, Data Scientist

Toronto, ON

CA$90K - CA$120K/yr

  • Medical

  • Life

  • Retirement

Capital Mrkts Sales & Service, Data Analytics & Reporting BMO Capital Markets is a leading, full ... Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For ...

BMO Capital Markets

Senior Data Scientist

Toronto, ON · Hybrid

CA$103K - CA$192K/yr

  • Medical

  • Life

  • Retirement

Data Analytics & Reporting This is a hybrid role in Toronto Uses advanced analytical algorithms and ... Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For ...

BMO Capital Markets

Manager, Risk Data Analytics

Toronto, ON

CA$82K - CA$154K/yr

  • Medical

  • Life

  • Retirement

Data Analytics & Reporting The Manager, Data Analytics is responsible for leading the development ... Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For ...

Royal Bank of Canada

Staff Data/AI Engineer

Toronto, ON · Hybrid

... rate by FY28. As a Staff Data/AI Engineer, you will build and scale an AI-driven decisioning system that delivers hyper-personalized client experiences, ensuring the right action, at the right time ...

Cna

Senior Data Analytics Consultant

Toronto, ON

CA$90K - CA$105K/yr

Contribute to actuarial data modernization and tooling initiatives, including development of rating engine requirements, data architecture, and integration of analytics tools. * Other ad hoc data ...

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Showing results 21-40

All JobsData Rater JobsData Rater Jobs in Mississauga, ON

Data Rater information

See Mississauga, ON salary details

$9

$26

$69

How much do data rater jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for data rater in Mississauga, ON is $26.77, according to ZipRecruiter salary data. Most workers in this role earn between $14.27 and $30.12 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a data rater, and why are they important?

To thrive as a Data Rater, you need strong analytical abilities, attention to detail, and proficiency in following detailed guidelines, often requiring at least a high school diploma or equivalent. Familiarity with web-based evaluation tools, spreadsheets, and sometimes proprietary rating platforms is typically expected. Excellent time management, critical thinking, and effective written communication are valuable soft skills for excelling in this role. These skills ensure accurate and consistent data evaluation, which directly impacts the quality and effectiveness of machine learning models and search algorithms.

What are some common challenges data raters face, and how can they effectively manage them?

Data Raters often encounter challenges such as maintaining consistency in their evaluations, understanding complex guidelines, and managing repetitive tasks. To effectively handle these, it's important to regularly review guideline updates, seek clarification from team leads when unsure, and use productivity techniques to stay focused during long periods of rating. Collaborating with peers through forums or team meetings can also help share best practices and resolve ambiguities.

What is the difference between Data Rater vs Data Annotator?

AspectData RaterData Annotator
Required CredentialsHigh school diploma or equivalent; some roles may require basic technical skillsHigh school diploma; some roles may prefer familiarity with annotation tools
Work EnvironmentRemote or office-based; often involves reviewing data for qualityRemote or office-based; involves labeling or tagging data for machine learning
Employer & Industry UsageTech companies, data services, AI firmsAI and machine learning companies, data labeling services

Data Raters primarily review and assess data quality, ensuring accuracy and consistency, while Data Annotators focus on labeling data to train machine learning models. Both roles are essential in AI development, often sharing similar skills and work environments, but differ in their specific tasks and objectives.

What is a data rater?

Data Raters are professionals who evaluate and provide feedback on data, such as search engine results, advertisements, and social media content, to help improve the accuracy and relevance of algorithms. They often work with large tech companies to assess whether content meets specific quality guidelines and user intent. Data Raters typically work remotely on a part-time or flexible schedule, and their work is crucial in training artificial intelligence systems to better understand human preferences.
Data Rater jobs near you
Infographic showing various Data Rater job openings in Mississauga, ON as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 9% Part Time, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $55,676 per year, or $26.8 per hour.

Lead Data Engineer

BMO Capital Markets

Toronto, ON

CA$75K - CA$141K/yr

Full-time

Medical, Life, Retirement

Posted 23 days ago

Job description

Application Deadline:

08/20/2026

Address:

4100 Gordon Baker Road

Job Family Group:

Data Analytics & Reporting

We are seeking a Lead Data Engineer with strong ETL and Application expertise to lead the enhancement of existing ETL applications and design modern ETL/ELT pipelines as part of application redesign and migration to AWS. This role requires hands-on technical leadership, strong data engineering fundamentals, experience in Agile delivery models, proficiency with Jira for planning, tracking, and execution with the ability to guide teams through cloud-based data transformations while ensuring stability of current platforms.

Key Responsibilities

ETL Application Ownership & Enhancement

  • Lead the support, enhancement, and optimization of existing Ab Initio ETL applications

  • Analyze current ETL frameworks and recommend performance, scalability, and reliability improvements

  • Ensure adherence to enterprise data engineering standards, coding best practices, and governance

  • Drive defect resolution, root cause analysis, and proactive optimization

AWS Data Platform Design & Modernization

  • Architect and design ETL/ELT pipelines in AWS for redesigning existing onprem or legacy ETL applications

  • Lead migration and modernization initiatives from Ab Initio/onprem platforms to AWS-native solutions

  • Design scalable data ingestion, transformation, and orchestration patterns using AWS services

  • Evaluate and implement costeffective, performant cloud solutions aligned with business needs

Agile Delivery & Team Leadership

  • Work in an Agile/Scrum or SAFe environment, actively participating in sprint planning, backlog grooming, daily standups, sprint reviews, and retrospectives

  • Collaborate with Product Owners, Scrum Masters, Architects, QA, and DevOps teams

  • Break down complex data engineering work into Jira epics, stories, and tasks

  • Provide accurate estimations, track progress, and manage dependencies using Jira

  • Mentor and guide junior engineers, ensuring high-quality and timely delivery

Required Skills & Qualifications

Experience & Education

  • Typically between 5-7 years of relevant experience in data engineering, ETL development, and/or data platform design

  • Postsecondary degree in Computer Science, Engineering, Information Technology, or a related field of study, or an equivalent combination of education and experience

Core Technical Skills

  • Strong hands-on experience with Ab Initio

    • GDE, metadata management

    • Graph performance tuning and complex data transformations

  • AWS Data Engineering Expertise

    • Services such as S3, Glue, Redshift, Lambda

    • Experience designing ETL/ELT architectures in cloud

  • Strong SQL and data modeling skills (dimensional & analytical models)

  • Experience with large-scale batch data processing and data warehousing

Engineering & Delivery

  • Strong experience with data pipeline orchestration and scheduling
  • CI/CD knowledge (Ansible, Artifactory, GitHub Actions, or similar)
  • Familiarity with data quality, reconciliation, and controls
  • Solid understanding of security, IAM, and data governance in AWS

Soft Skills

  • Proven technical leadership and mentoring capabilities

  • Strong analytical and problemsolving skills

  • Excellent communication skills with both technical and nontechnical stakeholders

  • Ability to manage multiple priorities in a fastpaced environment

Nice to Have

  • Experience with Business Intelligence tools like Business Objects, PowerBI, Axiom

  • Experience in financial services, regulatory, or risk data platforms

  • Experience with modernization or sunset of legacy ETL platforms

Salary:

$75,900.00 - $141,900.00

Pay Type:

Salaried

The above represents BMO Financial Group's pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group's expected target for the first year in this position.

BMO Financial Group's total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit:https://jobs.bmo.com/global/en/Total-Rewards

About Us

At BMO we are driven by a shared Purpose: Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world.

As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one - for yourself and our customers. We'll support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, we'll help you gain valuable experience, and broaden your skillset.

To find out more visit us at https://jobs.bmo.com/ca/en.

BMO is committed to an inclusive, equitable and accessible workplace. By learning from each other's differences, we gain strength through our people and our perspectives. Accommodations are available on request for candidates taking part in all aspects of the selection process. To request accommodation, please contact your recruiter.

Note to Recruiters: BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.

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