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InfiCare Staffing

Senior QA Engineer (Python & French Language Mandatory)

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Experience: 5+ years of QA experience in backend automation and Data QA.
Posting language: English
Posted: Oct 30, 2026

Original job description

Senior QA Engineer – Canada

Location: Montreal (Remote) | Toronto (3 days onsite)

Mandatory: French language proficiency

Job Summary

Looking for a Senior QA Engineer with strong Python automation, advanced SQL, AWS data pipeline testing, and backend/API testing experience. The role focuses on simulating high-volume trades, validating data integrity, and performance testing in a trading environment.

Key Responsibilities

Develop Python automation frameworks using Pytest, Requests, and Pandas.
Test AWS ETL/ELT data pipelines and ensure data accuracy.
Validate large datasets using complex SQL queries.
Perform API, load, stress, and performance testing.
Investigate root causes of backend and database issues.
Support releases and production issues as required.

Must-Have Skills

5+ years of QA experience in backend automation and Data QA.
Strong Python scripting and automation skills.
Advanced SQL: MySQL, Snowflake, Hive, or Athena.
AWS data services and pipeline testing.
REST API testing and automation.
Performance and high-volume transaction testing.
French language proficiency.

Nice to Have

Capital markets or trading domain experience.
Hadoop, Spark, or Hive.
Linux shell scripting.

Key candidate focus: French + Python automation + Advanced SQL + AWS Data QA + API/Performance Testing.

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More about this job

Responsibilities

Develop Python-based test automation and validate AWS ETL/ELT pipelines and large datasets using complex SQL queries. Test APIs and system performance under high transaction volumes, investigate backend and database issues, and support releases and production incidents.

Requirements

Requires at least 5 years of backend automation and data QA experience, strong Python automation skills, advanced SQL, AWS data pipeline testing, and REST API testing. French proficiency is mandatory; capital markets experience, Hadoop, Spark, Hive, and Linux shell scripting are desirable.

Skills

Python Automation
Pytest
Requests
Pandas
Advanced SQL
MySQL
Snowflake
Hive
Athena
AWS Data Pipeline Testing
REST API Testing
Performance Testing
Load Testing
Stress Testing
Data Quality Assurance
French Language Proficiency

Visa sponsorship

Not detected in the job text

Keywords

Python
Pytest
Requests
Pandas
SQL
MySQL
Snowflake
Hive
Athena
AWS
ETL
ELT
Data Pipelines
Data Integrity
Data Quality Assurance
REST APIs
Backend Testing
Load Testing
Stress Testing
Performance Testing
High-Volume Transactions
Root Cause Analysis
Capital Markets
Trading
Hadoop
Spark
Linux Shell Scripting
French

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