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Added 9 mins ago
SI
AI Engineer
Supra ITS
Mississauga, ON
- Full-time
…RAG, and operational systems (e.g. ticket triage, order audit, product…
Added 10 mins ago
LM
Systems Engineer Sr - Communications Systems
Lockheed Martin
Ottawa, ON
- Full-time
Performing reviews of technical data related to the CIS system design, arrangements, installation, and verification activities; providing comments; and recommending acceptance/rejection of…
Added 40 mins ago
GT
Lead Data Engineer / Data Product Lead – Snowflake
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $60 to $80 CAD / hour
- Contract
A leading life sciences consulting organization is seeking an experienced Lead Data Engineer / Data Product Lead to support the design and delivery of enterprise-scale data products within…
Added 40 mins ago
P
Senior Forward Deployed Engineer – AI & Data Engineering
PeoplePilot
Toronto, ON
- Full-time
# Senior Forward Deployed Engineer – AI & Data Engineering
Added 40 mins ago
E
Senior Software Engineer
EarnIn
Vancouver, BC
- Full-time
…card rails, ACH, and RTP. We are looking for an experienced, product-minded, and resourceful senior backend engineer to own the design, development, and operation of these services and the…
Added 40 mins ago
SG
Engineer, Mechanical
Socomec Group
Brampton, ON
- Full-time
Prepare detailed manufacturing data packages including 2D and MBD drawings, including the complete product configurations with detailed BOM structures in ERP system.
Added 40 mins ago
I(
Senior Core Platform Engineer
IRC (Instant Risk Coverage)
Toronto, ON
- Full-time
…an owner bringing their unique perspective to our team and product. Your voice is important, and we take having a culture based on feedback seriously. We openly share our thoughts and…
Added 40 mins ago
F
Staff Frontend Engineer
Forma.ai
Toronto, ON
- Full-time
…workflows. There are many complex and difficult areas across the product, especially across frontend architecture and user experience, because of high data volumes, wide configurability,…
Added 54 mins ago
S
Mechanical Engineer
Shred-tech
Cambridge, ON
- Full-time
…generating project activity across custom configured orders, product sustaining and cost reduction initiatives. This role requires deep engineering judgment, cross-functional collaboration…
Added 54 mins ago
Technical Program Manager, Platform Services
Motive
Vancouver, BC
Background as a Software Engineer, Systems/Delivery Architect, or Technical Product Manager prior to transitioning into TPM leadership.
Added 1 hour ago
Quality Engineer - YYJ
Westerkirk
Victoria, BC
Perform investigation related to corrective actions including root cause analysis of significant product quality problems.
Added 1 hour ago
SS
Head of Software & Perception
SkyCan Systems
Barrie, ON
- Full-time
SW Division Lead - Embedded Firmware, Perception, GCS & Product Security
Added 1 hour ago
D
Lead, Forward Deployed Engineering
Deliverect
Toronto, ON
- Full-time
The Product Department at Deliverect is at the forefront of the digital ordering revolution, dedicated to consistently delivering groundbreaking solutions to the global marketplace. Our…
Added 1 hour ago
CE
Manufacturing Engineer - Injection Moulding
Canadian Executive Search Group (USA) Inc / Division of Arrow Group of Companies
ON · Chatham-Kent, ON
- $70,000 to $115,000 CAD / year
- Full-time
We are hiring a Manufacturing Engineer to support a high-volume Tier 1 automotive manufacturing environment. This role will focus on process development, automation, equipment optimization,…
Added 1 hour ago
A
Senior Python Backend Engineer
Apexon
Toronto, ON
- $120,000 to $150,000 CAD / year
- Contract
We bring together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, with proprietary accelerators and…
Added 1 hour ago
AM
Mechanical Design Engineer
AVL Manufacturing Inc.
Hamilton, ON
- Full-time
…cycle mechanical designs and drawings from concept to completed product for Genset Enclosures, Fuel Tanks, Modified Containers and other custom…
Added 1 hour ago
CD
Advanced Manufacturing & Automation Engineer
Crop Defenders Ltd
Windsor, ON
- Full-time
Advanced Manufacturing & Automation Engineer – Windsor, ON
Added 1 hour ago
H
Analog Validation & Characterization Engineer
HaiLa
Montreal, QC
- Full-time
We are looking for an experienced Analog Validation & Characterization Engineer to lead the electrical validation, characterization, and production test development for our analog, RF, and…
Added 2 hours ago
AS
Technical Lead - AI Delivery
Ardent SoftSol Inc.
Brampton, ON
- Contract
Collaborate with Program Managers and Product Owners to estimate effort, manage technical risks, and deliver against committed timelines.
Added 2 hours ago
ZT
Quality Assurance Engineer
Zensar Technologies
Toronto, ON
- Full-time
Performance Engineering: Identify bottlenecks in the data product lifecycle. Analyze how the system behaves under high load and work with developers to optimize performance.
Added 3 hours ago
ML
AI Engineer
MACHINE LEARNING TECHNOLOGIES LLC
Toronto, ON
- Full-time
Work closely with product managers, data scientists, and domain experts to define technical solutions aligned with business needs.
Added 3 hours ago
W
Data Engineer
Wiraa
Canada
- Full-time
We are seeking a versatile and highly motivated Data Engineer to join our data analytics and reporting team. This pivotal role bridges the gap between raw data and actionable business…
Added 3 hours ago
MT
Process Engineer
Modern Technical Staffing Inc.
Guelph, ON
- $90,000 to $105,000 CAD / year
- Full-time
Our client in Guelph is looking for a Process Engineer. They are seeking someone who has been employed as a Manufacturing or Process Engineer with a low volume, high mix, CNC Machining…
Added 3 hours ago
Graduate Environmental Scientist / Graduate Environmental Engineer
GHD Group Pty Ltd
Vancouver, BC
…to grow your career to the next level! As an Environmental Engineer/Scientist – Emergency Response, you will play a meaningful role within our Environmental Group. This position gives…
Added 3 hours ago
Senior Data Platform Engineer
The Canada Life Assurance Company
London, ON · Toronto, ON
The Senior Data Platform Engineer is responsible for providing data platform and tool solutions to support business needs at Canada Life. Leveraging your cloud and Microsoft Azure technical…

Zensar Technologies

Quality Assurance Engineer

Toronto, ON, Canada

Full-time

Apply About employer

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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

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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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