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Added 1 hour ago
Senior Eddy Current Specialist
BWXT
Kitchener, ON
As our Senior Technical Specialist, Balance of Plant Eddy Current you will be accountable for the end-to-end planning, preparation, and successful execution of Balance of Plant Eddy Current…
Added 1 hour ago
MC
Senior Software Engineer - Brokerage Platform
Moomoo Canada
Toronto, ON · North York, ON
- Full-time
We are looking for an experienced Senior Software Engineer to join our engineering team in Toronto.
Added 1 hour 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…
Added 1 hour ago
B
Senior Eddy Current Specialist
BWXT
Kitchener, ON
- Full-time
As our Senior Technical Specialist, Balance of Plant Eddy Current you will be accountable for the end-to-end planning, preparation, and successful execution of Balance of Plant Eddy Current…
Added 2 hours ago
Senior Technical Specialist
Insurance Corporation of British Columbia
North Vancouver, BC
The Information Services Division is currently looking for a Senior Technical Specialist. In this position, you will provide senior-level technical leadership for the design,…
Added 2 hours ago
V
AI Engineer
Virtusa
Toronto, ON
- Full-time
Job Summary: We are seeking a highly skilled AI Engineer with strong expertise in Python, SQL, AWS Bedrock, AWS SageMaker, LangGraph, LLM Fine-Tuning, and Retrieval-Augmented Generation…
Added 3 hours ago
MD
Wellhead Protection Hydrologist - Hydrologist 3
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- Full-time
…essential services, and working to improve the well-being and quality of life for all Minnesotans. The State of Minnesota is committed to equity and inclusion, and invests in employees by…
Added 3 hours ago
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Building Performance Engineer - EIT
RWDI
Guelph, ON
- $62,000 to $75,000 CAD / year
- Full-time
RWDI is hiring a Junior Engineer/EIT for the Building Performance team in the Guelph office. This entry-level role includes but is not limited to:
Added 5 hours ago
IS
Senior QA Engineer (Python & French Language Mandatory)
InfiCare Staffing
Toronto, ON
- Contract
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…
Added 6 hours ago
ZT
Quality Assurance Engineer
Zensar Technologies
Toronto, ON
- Full-time
Deep-Dive Analysis: Execute advanced SQL queries against MySQL/Snowflake/Hive databases to verify data accuracy, consistency, and completeness across the Datalinx ecosystem.
Added 6 hours ago
ML
AI Engineer
MACHINE LEARNING TECHNOLOGIES LLC
Toronto, ON
- Full-time
Advanced Python programming skills (NumPy, Pandas, Matplotlib, Boto3).
Added 8 hours ago
LC
Engineer - Program Manager
Linamar Corporation
Guelph, ON
- Full-time
The Engineer – Program Manager Position is responsible for independently working as a
Added 9 hours ago
NB
QRM CHIEF DEVELOPER
National Bank of Canada
Toronto, ON
- Full-time
…you will be part of a team of 15 colleagues reporting to the Senior Director, Treasury Technology. Our team stands out for its collaboration, energy, and ability to turn complex technical…
Added 9 hours ago
NB
LEAD PYTHON DEVELOPER – IT TREASURY PLATFORMS
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- Full-time
Significant hands-on experience as a senior software engineer, lead software engineer, technical lead, or in an equivalent engineering leadership role, including taking new solutions into…
Added 10 hours ago
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Senior Machine Learning Engineer
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Remote, Canada
- Contract
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We’re hiring a Senior Machine Learning Engineer to architect, build, and deploy high-performance machine learning systems that power technology stack. You will work across the entire ML…
Added 13 hours ago
WI
Senior Environmental Engineer / Geoscientist
WSP in Canada
Barrie, ON
- Full-time
In this senior geoscience leadership role, you’ll provide strategic direction and technical leadership to multidisciplinary environmental teams delivering some of the most complex and…
Added 13 hours ago
RH
Data Engineer
Robert Half
North Vancouver, BC
- $40 to $60 CAD / hour
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Our client is seeking a Senior Business Analyst / Data Engineer to support operational reporting, analytics, and business process improvements within a complex ERP environment. This is an…
Added 13 hours ago
EN
Principal Wireless SW Engineer
Extreme Networks
Toronto, ON
- Full-time
The Principal Wireless Software Engineer is a senior technical leader responsible for resolving the most complex and business-critical customer issues escalated through the Global Technical…
Added 15 hours ago
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Ingénierie - Conception des lois de commande de vol-Engineering -Flight Control Laws Design
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Montreal, QC
- $80,000 to $100,000 CAD / year
- Full-time
Carries out engineering assignments of limited scope and complexity. Under the general direction of a senior engineer, is responsible for a project or part of a project or operation…
Added 16 hours ago
ME
SENIOR PROJECT ENGINEER
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Halifax, NS
- Full-time
Morson Edge is currently recruiting an experienced Senior Project Engineer to join a leading organization developing advanced Anti-Submarine Warfare (ASW) systems for the naval defence…
Added 17 hours ago
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Senior Site Reliability Engineer
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Reliability Specialist, Cranes Maintenance
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…ArcelorMittal Dofasco, we play a key role in North America’s advanced manufacturing supply chain working with the top automotive, energy, packaging, and construction brands to develop…
Added 18 hours ago
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Verification Engineer (Engineer–Senior Level)
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- Full-time
…create a smarter, connected future for all. As a Qualcomm ASIC Engineer, you will define, model, design (digital and/or analog), optimize, verify, validate, implement, and document IP…
Added 18 hours ago
SF
Senior AI Engineer
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Added 18 hours ago
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Zensar Technologies

Quality Assurance Engineer

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

Why Zensar?

We’re a bunch of hardworking, fun-loving, people-oriented technology enthusiasts. We love what we do, and we’re passionate about helping our clients thrive in an increasingly complex digital world. Zensar is an organization focused on building relationships with our clients and with each other - and happiness is at the core of everything we do. In fact, we’re so into happiness that we’ve created a Global Happiness Council, and we send out a Happiness Survey to our employees each year. We’ve learned that employee happiness requires more than a competitive paycheck, and our employee value proposition - grow, own, achieve, learn (GOAL) - lays out the core opportunities we seek to foster for every employee. Teamwork and collaboration are critical to Zensar’s mission and success, and our teams work on a diverse and challenging mix of technologies across a broad industry spectrum. These industries include banking and financial services, high-tech and manufacturing, healthcare, insurance, retail, and consumer services. Our employees enjoy flexible work arrangements and a competitive benefits package, including medical, dental, vision, 401(k), among other benefits. If you are looking for a place to have an immediate impact, to grow and contribute, where we work hard, play hard, and support each other, consider joining team Zensar!

Zensar is looking for a Onsite QA at Toronto, Canada - French-speaking candidates are preferred

We are looking for a technical Senior QA
This is a backend-heavy engineering role focused on high-volume trade simulation and data integrity.
You will use Python to build automation frameworks that simulate thousands of real-time trades, ensuring our systems can handle market volatility.
You will use complex SQL to deep-dive into our databases, validating that every byte of data flowing through our AWS pipelines is accurate, compliant, and timely.
If you enjoy breaking data pipelines, automating complex scenarios, and working in a high-stakes trading environment, this is the role for you.

Key Responsibilities

Build Simulation Frameworks: Design and maintain Python-based automation scripts (using Pytest/Requests) to simulate thousands of real-time trades and stress-test our trading platforms.
Data Pipeline Validation: Validate ETL/ELT processes within AWS. Ensure data flows correctly from ingestion to storage, identifying data loss or transformation errors.
Deep-Dive Analysis: Execute advanced SQL queries against MySQL/Snowflake/Hive databases to verify data accuracy, consistency, and completeness across the Datalinx ecosystem.
Performance Engineering: Identify bottlenecks in the data product lifecycle. Analyze how the system behaves under high load and work with developers to optimize performance.
Root Cause Analysis: Go beyond "reporting bugs." Trace issues back to the specific service, API endpoint, or database procedure causing the failure.

The Tech Stack

Language: Python (Heavy scripting, Pytest, Pandas, Requests).
Database: SQL (MySQL, Snowflake, Hive, Athena).
Cloud: AWS (S3, Data Pipelines, EC2, EMR, Lambda functions, REST APIs).
Tools: GitHub, JIRA, Confluence

Must-Have Qualifications

5+ years in Software Quality Assurance with a specific focus on Data QA and Backend Automation.
Python Expertise: You aren't just running scripts; you can write Python code from scratch to generate test data, mock APIs, and simulate user traffic.
Advanced SQL Skills: You can write complex joins and window functions to validate large datasets without relying on a GUI.
AWS & Cloud Data: Proven experience testing data pipelines and understanding how data moves through cloud infrastructure (AWS preferred).
API Testing: Strong experience testing RESTful APIs and integrating them into automation suites.
Performance Testing: Experience with load testing tools and strategies (simulating high-volume transactions).
Operational Support: Support releases during off-business hours, when planned. Also providing support in case of adhoc issues to ensure system reliability.

Nice to Haves

Capital Markets Experience: Understanding of equity markets, trade lifecycles, and financial instruments.
Big Data Tech: Experience with Hadoop, Spark, or Hive.
Shell Scripting: Working knowledge of shell scripting in a Linux environment.

Zensar believes that diversity of backgrounds, thought, experience, and expertise fosters the robust exchange of ideas that enables the highest quality collaboration and work product. Zensar is an equal opportunity employer. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. Zensar is committed to providing veteran employment opportunities to our service men and women. Zensar is committed to providing equal employment opportunities for people with disabilities or religious observances, including reasonable accommodation when needed. Accommodation made to facilitate the recruiting process are not a guarantee of future or continued accommodation once hired.

All applicants must be legally authorized to work with Zensar. Visa sponsorship may be available for qualified applicants for certain positions.

Zensar values your privacy. We’ll use your data in accordance with our privacy statement located at:

https://zensar.com/privacy-notice

Apply About employer

More about this job

Responsibilities

Build Python automation frameworks to simulate high-volume trades and stress-test trading platforms. Validate AWS data pipelines and database integrity, analyze performance bottlenecks, and trace failures to their underlying services, APIs, or database procedures.

Requirements

Requires 5+ years of software quality assurance experience focused on data QA and backend automation, with strong Python, advanced SQL, AWS data pipeline, REST API, and performance testing skills. Capital markets knowledge, big data technologies, and Linux shell scripting are preferred; planned off-hours release and issue support is also required.

Skills

Python
Pytest
Pandas
Requests
Advanced SQL
AWS
Data Pipeline Testing
REST API Testing
Performance Testing
Load Testing
MySQL
Snowflake
Hive
ETL/ELT Validation
Root Cause Analysis
Shell Scripting

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k)

Visa sponsorship

Detected

Keywords

Quality Assurance
Data QA
Backend Automation
Python
Pytest
Pandas
Requests
SQL
MySQL
Snowflake
Hive
Athena
AWS
S3
EC2
EMR
Lambda
REST APIs
ETL/ELT
Data Pipelines
Trade Simulation
Capital Markets
Load Testing
Performance Engineering
GitHub
JIRA
Confluence
Hadoop
Spark
Linux

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