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S
Mechanical Engineer
Shred-tech
Cambridge, ON
- Full-time
Create and maintain hydraulic schematics, system layouts and detailed engineering documentation.
Added 1 min ago
Technical Program Manager, Platform Services
Motive
Vancouver, BC
…drivers, vehicles, equipment, and fleet related spend in a single system. Combined with industry leading AI, the Motive platform gives you complete visibility and control, and significantly…
Added 1 min ago
C
Structural Engineer - Calgary
CIMA+
Calgary, AB
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 16 mins ago
Engineer, Production Support - Final Assembly and Pre-flight
Westerkirk
Calgary, AB
You have extensive working experience with system design, test and certification requirements of aircraft
Added 16 mins ago
Quality Engineer - YYJ
Westerkirk
Victoria, BC
Maintain a system of continuous improvement in the areas of calibration and information management.
Added 16 mins ago
TR
TPSS Work Package Manager
Trillium Rail Partners
Mississauga, ON
- Full-time
…for the full lifecycle delivery of the Traction Power Supply System (TPSS) across the ECWE project. This role ensures the successful execution of design, procurement, installation, testing…
Added 16 mins ago
SS
Head of Software & Perception
SkyCan Systems
Barrie, ON
- Full-time
– System architecture: Define the software and firmware architecture spanning the flight controller autopilot, map-based and visual navigation, ground control station, datalink, mission…
Added 16 mins ago
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AI Engineer
Talenzaa
Mississauga, ON
- Full-time
Experience with testing, production support, and system reliability.
Added 16 mins ago
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Lead, Forward Deployed Engineering
Deliverect
Toronto, ON
- Full-time
As the Lead Forward Deployed Engineer for North America, you will bridge technical problem-solving and software engineering by owning enterprise adoption from pre-sales architecture to…
Added 31 mins ago
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Warehouse Associate - Sudbury, ON
Victaulic
Sudbury, ON · Ontario - Sudbury
- Full-time
We engineer change for a more stable and sustainable world.
Added 46 mins ago
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Software Engineer II - Angular UI
TD
Toronto, ON
- Full-time
Document and verify system components, applications, system infrastructure, security, integration, operability and engineering related architecture designs associated with a program or…
Added 46 mins ago
JE
Technology Manager
Just Eat Takeaway.com
ON
- Full-time
…implementation of solutions built by your engineering team. We engineer for high scale and low latency, ensuring our location insights operate in near real-time while seamlessly integrating…
Added 46 mins ago
GS
GenAI Prompt Engineer
Gala Solutions
Montreal, QC
- Contract
Knowledge of design patterns, system resiliency, observability, scalability and performance
Added 46 mins ago
TR
TPSS Work Package Manager
Trillium Rail Partners
Mississauga, ON
- Full-time
…for the full lifecycle delivery of the Traction Power Supply System (TPSS) across the ECWE project. This role ensures the successful execution of design, procurement, installation, testing…
Added 46 mins ago
A
Senior Python Backend Engineer
Apexon
Toronto, ON
- $120,000 to $150,000 CAD / year
- Contract
The Backend Engineer – Python (API & Platform Engineering) will be responsible for designing, developing, and maintaining scalable backend services and APIs. The role involves contributing…
Added 47 mins ago
GC
HIL Test Engineer
Global Connect Technologies
Windsor, ON
- Full-time
Perform HIL system commissioning, configuration, integration, and troubleshooting.
Added 47 mins ago
C
Structural Engineer - Calgary
CIMA+
Calgary, AB
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 1 hour ago
TS
Inspector, OE
Technical Standards & Safety Authority (TSSA)
Ottawa, ON
- Full-time
Minimum Second-Class Operating Engineer Certificate.
Added 1 hour ago
MA
Flight Control Engineer
Mobile Apps US
Quebec, QC
- Full-time
We are seeking an experienced Flight Controls Laws Design Engineer to develop, enhance, integrate, and validate flight control laws for Fly-By-Wire (FBW) aircraft. The ideal candidate will…
Added 1 hour ago
SE
Embedded Software Engineer
Schneider Electric
Victoria, BC
- Full-time
Exposure to system architecture, technical documentation, or performance and reliability analysis.
Added 1 hour ago
TT
Senior MLOps Engineer - Investment Banking
Tech Talent International
Montreal, QC
- $140,000 to $150,000 CAD / year
- Full-time
We currently have a role as a Senior MLOps Engineer with our large consulting client, working for a investment bank in the downtown Montreal area. T
Added 1 hour ago
CF
IT Change Management and Release Engineer II
CI Financial
Toronto, ON
- Full-time
Act as the primary point of reference for questions, problems, and suggestions about the change management process / system.
Added 1 hour ago
Senior Manager, Maintenance and Technical Services
Sofina Foods Inc
Brampton, ON
Champions the Computerized Maintenance Management System (CMMS) and implements improvements and upgrades to ensure efficient and effective use of resources,
Added 1 hour ago
AM
Sr. Systems Design Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
AMD is looking for a systems integration engineer to provide thought leadership and subject matter expertise to our growing team. As a key contributor, you will have a strong technical…
Added 1 hour ago
SG
Senior Automation Engineer
Socomec Group
Brampton, ON
- Full-time
Socomec is seeking a Senior Automation Engineer to join our Energy Storage Systems (ESS) R&D team. This role will focus on the development, integration, testing, and commissioning of…

Zensar Technologies

Quality Assurance Engineer

Toronto, ON, Canada

Full-time

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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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