Jobs in Canada

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Added 2 hours ago
Student, AI and Software Engineering, Calgary (May 2027)
Cenovus Energy
Calgary, AB
Knowledge/experience with Python, Ruby, JavaScript/TypeScript, PostgreSQL or SQL Server, cloud platforms such as Azure or AWS, object storage, Databricks, Snowflake, Redis, or similar…
Added 2 hours ago
Full Stack Engineer with AI
Visionsoft Inc.
Montreal, QC
Contract
Experience with Python, SQL or NoSQL databases, data integration, caching, and data-intensive applications.
Added 3 hours ago
Postdoctoral Fellow
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
Full-time
Proficiency with relevant analytical tools or programming languages such as R and/or Python is highly desirable.
Added 4 hours ago
Industrial Software Validation|
Husky Technologies
Bolton, ON
Full-time
Proficiency in C#, Java, Python, and experience with .NET components
Added 4 hours ago
Engineer
Toronto Hydro
Toronto, ON
Proficiency in programming and data management tools (e.g., Python, SQL, VBA, Alteryx, Tableau) with demonstrated application in utility engineering
Added 5 hours ago
Mobile App Engineer - React Native, Full Stack & AI
KoraHome.ai
Toronto, ON · Greater Toronto Area, Canada
Full-time
Willingness to contribute across the stack, including backend development in Python or another language.
Added 5 hours ago
AI Engineer - Agents & Backend
KoraHome.ai
Toronto, ON · Greater Toronto Area, Canada
Full-time
Build Python backend services that connect models, application data, and external integrations.
Added 5 hours ago
Senior AI Engineer (Permanent)
CoreFactor Inc.
ON · Downtown Toronto (Underground city), Ontario
Full-time
Proficiency in Python and ML/AI libraries (e.g., Scikit-learn, PyTorch, TensorFlow).
Added 5 hours ago
Senior Software Engineer- SATCOM
Photon-IV
Canada
Full-time
5+ years as a Software developer with startup scaling experience
Added 5 hours ago
Senior AI Engineer (Permanent)
CoreFactor
Toronto, ON · Greater Toronto Area, Canada
Full-time
Proficiency in Python and ML/AI libraries (e.g., Scikit-learn, PyTorch, TensorFlow).
Added 6 hours ago
ETL Tester (Contract)
CoreFactor
Toronto, ON · Greater Toronto Area, Canada
Contract
Develop and maintain automated data validation, reconciliation, and regression tests using Python, SQL, and other automation utilities.
Added 6 hours ago
ETL Tester (Contract)
CoreFactor Inc.
Toronto, ON · Downtown Toronto (Toronto Dominion Centre / Design Exchange), Ontario
Full-time
Develop and maintain automated data validation, reconciliation, and regression tests using Python, SQL, and other automation utilities.
Added 6 hours ago
Senior AI Engineer
Perceptic
Engineer, BC
Full-time
Our stack is React and TypeScript on the front end, Java and Python services behind it, and an agent layer built on durable, fault-tolerant workflows that reason over scientific data…
Added 6 hours ago
Oracle EBS QA Automation Analyst / Tester
Randstad Digital
Toronto, ON
Contract
Languages: Playwright with TypeScript, Java, C#, JavaScript or Python.
Added 6 hours ago
Software Developer, Robotic Data & Deliveries
Mecka
Richmond Hill, ON
$150,000 to $200,000 USD / year
Full-time
We are hiring a Software Developer to build - end to end - the internal products and tooling that turn Mecka’s ego-data pipeline into fast, reliable, at-spec dataset deliveries to frontier…
Added 7 hours ago
Data Analyst, Product Insights - New Grad
Jobright.ai
Canada
Full-time
Experience with Python and data-visualization tools
Added 7 hours ago
Data Analyst, Mid Level
Jobright.ai
Canada
Full-time
Experience with Python, Tableau, Looker, Power BI, or similar tools
Added 7 hours ago
Machine Learning Engineer - Early Career (Canada)
Jobright.ai
Canada
Full-time
Technical skills such as coding (Python/R), data modeling, and database management (SQL)
Added 7 hours ago
Machine Learning Engineer - Early Career (Canada)
Jobright.ai
Canada
Full-time
Technical skills such as coding (Python/R), data modeling, and database management (SQL)
Added 7 hours ago
Prompt Engineer - Early Career (Canada)
Jobright.ai
Canada
Full-time
Proficiency in Python for scripting evaluation pipelines, parsing model outputs, and running batch prompt experiments at scale
Added 7 hours ago
AI Engineer, Agent Product (Full-time/Part-time) (Canada)
Jobright.ai
Canada
Full-time · Part-time
Familiarity with at least one programming language (e.g. Python, JavaScript, TypeScript)
Added 7 hours ago
AI Engineer, Mid Level
Jobright.ai
Canada
Full-time
Strong Python programming and software engineering fundamentals
Added 7 hours ago
AI Engineer, Entry Level (Canada)
Jobright.ai
Canada
Full-time
Strong proficiency in Python and experience working with LLM APIs (such as OpenAI, Anthropic, or open-source models via Hugging Face)
Added 9 hours ago
Test Automation Engineer
Montreal Robot Inc.
Montreal, QC
Full-time
Our ideal candidate should have a perfect blend of software developer and QA automation skill sets.
Added 9 hours ago
DevOps Engineer, New Grad
Jobright.ai
Canada
Full-time
…improving deployment automation, observability, reliability, and developer…

CoreFactor Inc.

ETL Tester (Contract)

Toronto, ON, Canada
Downtown Toronto (Toronto Dominion Centre / Design Exchange), ON, Canada

Job type: Full-time
Posting language: English
Posted: Sep 27, 2026

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Original job description

CoreFactor is searching for an ETL Tester on a contract basis for a Financial Services client in the GTA .

This position is hybrid and will require the successful incumbent to go into the office four (4) days per week.

Roles and Responsibilities

Collaborate with developers, business analysts, data engineers, and other stakeholders to identify, troubleshoot, and resolve data quality issues.
Participate in requirements reviews, source-to-target mapping sessions, and design discussions to ensure testability, completeness, and data quality.
Analyze source-to-target mappings, define test strategies, create comprehensive test cases, and perform rigorous data validation.
Validate data accuracy, completeness, and integrity through source-to-target reconciliation and transformation testing.
Execute complex SQL queries, perform backend testing, and validate ETL transformations across Oracle, SQL Server, and BigQuery platforms.
Validate end-to-end ETL workflows, data pipelines, and data movement across source, staging, and target environments.
Work with multiple source systems containing structured, semi-structured, and JSON data.
Develop and maintain automated data validation, reconciliation, and regression tests using Python, SQL, and other automation utilities.
Support continuous improvement of ETL testing processes through automation and reusable testing frameworks.
Own test planning, test execution, defect management, regression validation, test reporting, and testing sign-off for assigned EDW initiatives.
Collaborate with project teams to support release readiness activities and ensure delivery quality.
Maintain test cases, test results, defect logs, and other QA artifacts in Jira, Confluence, and related project repositories.

Requirements

5+ years of hands-on experience in ETL testing, data validation, source-to-target reconciliation, data transformation testing, and end-to-end validation of data pipelines in Data Warehouse environments.
Strong experience with SQL, backend testing, ETL validation, and complex BigQuery queries for data validation, reconciliation, and troubleshooting.
Strong understanding of Data Warehousing concepts, ETL processes, data modeling, and data quality principles.
Hands-on experience with Oracle, SQL Server, BigQuery, Informatica PowerCenter, Airflow/Cloud Composer, and GCP data services.
Experience validating data across source, staging, and target systems, including structured, semi-structured, and JSON data.
Experience developing and maintaining ETL test automation solutions using Python, SQL, or similar technologies for automated data validation, reconciliation, and regression testing.
Proven ability to own test planning, test execution, regression validation, defect management, and testing sign-off activities for EDW initiatives.

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More about this job

Responsibilities

Collaborate with cross-functional teams to troubleshoot data quality issues and validate ETL workflows across various platforms. Manage the end-to-end testing lifecycle, including test planning, execution, and reporting for data warehouse initiatives.

Requirements

Requires 5+ years of hands-on experience in ETL testing, data validation, and source-to-target reconciliation within data warehouse environments. Proficiency in SQL, Python, and major data platforms like BigQuery, Oracle, and Informatica is essential.

Skills

ETL Testing
SQL
Data Validation
BigQuery
Oracle
SQL Server
Informatica PowerCenter
Python
Data Warehousing
Data Modeling
Airflow
Cloud Composer
GCP
Backend Testing
Defect Management
Regression Testing

Visa sponsorship

Not detected in the job text

Keywords

ETL Testing
Data Warehouse
SQL
Python
BigQuery
Oracle
SQL Server
Informatica PowerCenter
Airflow
Cloud Composer
GCP
Data Validation
Source-to-target Mapping
Backend Testing
Data Integrity
Regression Testing
Defect Management
Jira
Confluence
Financial Services
Data Pipelines
Automation
Data Modeling
Quality Assurance
Structured Data
Semi-structured Data
JSON
EDW
Reconciliation
Test Planning

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