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Added 12 days ago
T
Staff Software Engineer – Product & Integrations
TekRek
Toronto, ON
- Full-time
Senior Software Engineer – Product & Integrations (Node.js, TypeScript, AWS Serverless)
Added 12 days ago
Senior QA Engineer, AI & Automation
CSC Generation
Canada
Reports to: Senior Retail Technology Architect
Added 12 days ago
T
Software Engineer, AI/ML Infrastructure
Thumbtack
Remote, Canada
- Full-time
- Remote
As a Software Engineer on the ML Infrastructure team, you will work closely with product and platform engineering teams to build and evolve core AI platform capabilities. You will help…
Added 12 days ago
UT
Site Reliability Engineer #26-26096
US Tech Solutions
Toronto, ON
- $80 to $90 USD / hour
- Contract
Understanding of shell script, PowerShell, Python and the ability to code for automation
Added 12 days ago
AT
Senior Data Engineer
Arkhya Tech Inc.
Toronto, ON
- Contract
This position is for a Senior Data engineer with a background in Python, Pyspark, SQL and data warehousing for enterprise level systems. The position calls for someone that is comfortable…
Added 12 days ago
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Full Stack Engineer
Hays
Toronto, ON
- Contract
Our client is seeking experienced Senior Full Stack Developers to join a high-performing Agile team delivering both on-premises and cloud-native applications within the financial services…
Added 12 days ago
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Data Engineer
E-IT
Toronto, ON
- Contract
This position is for a Senior Data engineer with a background in Python, Pyspark, SQL and data warehousing for enterprise level systems. The position calls for someone that is comfortable…
Added 12 days ago
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IT - Site Reliability Engineer IV
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled IT - Site Reliability Engineer IV to join our client in support of an existing vacancy.
Added 12 days ago
ZG
Senior IT Security Engineer
Zema Global Data Corporation
Vancouver, BC
- $110,000 to $135,000 CAD / year
- Full-time
The Senior Security Engineer is a key contributor to securing a cloud-first, DevSecOps driven environment, responsible for embedding security into cloud platforms, with a strong focus on…
Added 12 days ago
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Senior Data Engineer
Extendicare
Markham, ON · Extendicare (Canada) Inc (Steeles Ave.)
- Full-time
Reporting to the Sr. Manager, Data Architecture, the Senior Data Engineer will play a key role in designing, building, and modernizing enterprise data integrations that support business…
Added 12 days ago
KG
Senior Python Developer (PySpark & AWS Platform Engineering)
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Contract
Position: Senior Python Developer (PySpark & AWS Platform Engineering)
Added 12 days ago
TI
Senior Cloud & DevOps Engineer( Databricks)
TekStaff IT Solutions
Toronto, ON
- Contract
TekStaff's Client has a current vacancy for a Senior Cloud & DevOps Engineer( Azure Databricks)
Added 12 days ago
UC
AI Developer
UniSysTech Consulting
Toronto, ON
- Other
We are seeking a Senior AI Agentic Developer to rapidly deliver a functional AI Agent-based prototype that automates certain workflows. The prototype should have human-in-the-loop controls,…
Added 12 days ago
GT
Site Reliability Engineer
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- Contract
…environment. The ideal candidate is a self-starter who brings senior-level depth in Azure cloud, ASP, and Databricks, and who can work independently while managing highly complex,…
Added 12 days ago
AI
Senior Forward Deployed AI Engineer (Python, Data & GenAI)
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You…
Added 12 days ago
KG
Forward Deployed Engineer (Python/PySpark + Claude)
K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
Position: Forward Deployed Engineer (Python/PySpark + Claude + SQL + APIs + Data & MLOps)
Added 13 days ago
TI
Artificial Intelligence Engineer
TekStaff IT Solutions
Toronto, ON
- Contract
TekStaff's Client has a current vacancy for a Senior AI Engineer
Added 13 days ago
AB
DevOps Automation Engineer (OpenShift / .NET / CI/CD)
Ateko, backed by Bell Canada
Mississauga, ON
- Contract
We are seeking an experienced DevOps Automation Engineer to join a high-performing Agile Scrum team responsible for supporting a large portfolio of enterprise applications. The team is…
Added 13 days ago
L
Senior QA Engineer
Luxoft
Toronto, ON
- Contract
Proficiency in Python or equivalent scripting language for test development
Added 13 days ago
AI
Senior Quality Assurance Specialist
AI Interviews
Toronto, ON · Greater Toronto Area, Canada
- Contract
We are looking for a Senior QA Engineer with strong experience in automation testing of mobile and web applications. The ideal candidate should have hands-on experience with Appium, mobile…
Added 13 days ago
Machine Learning Engineer, Associate Director
Fitch Group
Toronto, ON
Machine Learning Engineer, Associate Director – AI Innovation Teams
Added 13 days ago
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Principal Software Engineer
Photon-IV
Canada
- Full-time
Principal Software Engineer, Satellite Systems
Added 13 days ago
Senior Software Engineer, International
Robinhood
Toronto, ON
As a Senior Full Stack Software Engineer, you will be a core technical driver for Robinhood’s global expansion initiatives. You will bridge high-performance frontend interfaces with…
Added 13 days ago
S
Senior QA Automation Engineer / Lead – eCommerce Payments
Simpliigence
Canada
- Contract
We are hiring a hands-on Senior QA Automation Engineer to lead QA for Adyen payment projects on a large global eCommerce platform for a leading consumer brand.
Added 13 days ago
T
Full Stack Engineer
TEEMA
Toronto, ON
- Contract
We are looking for a Senior Full Stack Developer to join a collaborative Agile technology team building and enhancing cloud-native applications.

K&K Global Talent Solutions INC.

Senior Python Developer (PySpark & AWS Platform Engineering)

ON, Canada
Ontario, Canada, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 13, 2026
Posting language: English
Posted: Oct 14, 2026

Original job description

Position: Senior Python Developer (PySpark & AWS Platform Engineering)

Location: 4days/week Onsite- Toronto, ON

Job type: Long-term Contract

Note: The final/client interview will be conducted on-site.

We are seeking an elite Senior Python Developer with a mastery of PySpark and AWS distributed infrastructure to drive the engineering and integration of our core data platform ecosystem. This role is embedded within our Data Engineering infrastructure organization, focusing directly on our Analytical Work Bench (AWB) - an enterprise-grade Integrated Development Environment (IDE) used by our data science and research teams.

You will spearhead the integration and rationalization of AWB with internal applications, while simultaneously developing a custom enterprise IDE based on the JupyterLab environment. This is not a traditional data-analytics role; it requires a seasoned Python Software Engineer who builds scalable data infrastructure tools, applies strict software design patterns, and optimizes distributed compute workloads at scale.

Core Responsibilities

Application Rationalization & Integration: Design and implement the software framework to rationalize, integrate, and streamline the Analytical Work Bench (AWB) platform with secondary internal applications.
Custom IDE Engineering: Develop, extend, and package a customized enterprise engineering IDE based on the JupyterLab ecosystem using proprietary client frameworks and Python extensions.
Big Data Engineering: Ingest and integrate massive datasets into the research environment by architecting highly reliable, parallel data structures using PySpark on AWS EMR.
Software Quality & Automation: Enforce top-tier code health and execution patterns across the platform by implementing automated unit-testing pipelines via Pytest, static code analysis via Pylint, and build task runners like Gulp.
Package Management & Deployment: Oversee the lifecycle and distribution of internal Python modules through PyPI, automating release pipelines to live staging and production environments using Jenkins and UrbanCode.
Technical Collaboration: Partner directly with technical end-users and data science teams to distill highly complex business demands into performant platform architectures.

Required Skillsets

Python Mastery & Seniority: 8+ years of production-level experience writing scalable Core Python applications and advanced PySpark processing pipelines.
AWS Big Data Ecosystems: Deep, hands-on experience orchestrating and fine-tuning distributed clusters on AWS EMR and associated cloud storage/compute frameworks.
Code Craftsmanship & Testing: A minimum of 2+ years of concrete experience utilizing Pytest for structural testing and Pylint for code style and quality enforcement.
Build Automation & Packaging: 5+ years of experience managing code distribution artifacts through PyPI and automating asset/build runners using Gulp.
Enterprise CI/CD Workflows: 2+ years of practical pipeline experience setting up and supporting continuous deployment structures via Jenkins and UrbanCode.
Education: A University degree in Computer Science, Software Engineering, or an equivalent technical discipline is preferred.

Preferred Qualifications / Nice to Have

Proven background customizing, scripting extensions for, or engineering modules inside JupyterLab.
Frontend experience with React to develop user interfaces, control hooks, or dashboard integrations for developer workspaces.
Cross-functional domain understanding of classic Data Engineering architectures and Data Science modeling methodologies.

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More about this job

Responsibilities

Engineer and integrate the Analytical Work Bench with internal applications, and develop a customized enterprise IDE based on JupyterLab. Build and optimize large-scale PySpark workloads on AWS EMR, while maintaining software quality, package distribution, and automated deployment pipelines.

Requirements

Requires 8+ years of production Python and PySpark experience, hands-on AWS EMR expertise, and experience with Pytest, Pylint, PyPI, and Gulp. Also requires practical Jenkins and UrbanCode CI/CD experience; a relevant university degree is preferred, with JupyterLab customization and React experience considered assets.

Skills

Python
PySpark
AWS EMR
Distributed Computing
JupyterLab
Pytest
Pylint
PyPI
Gulp
Jenkins
UrbanCode
React
Data Engineering
CI/CD
Software Testing

Visa sponsorship

Not detected in the job text

Keywords

Python
PySpark
AWS
AWS EMR
Analytical Work Bench
JupyterLab
Enterprise IDE
Data Engineering
Data Science
Distributed Computing
Parallel Data Processing
Pytest
Pylint
PyPI
Gulp
Jenkins
UrbanCode
CI/CD
Automated Testing
Static Code Analysis
Package Management
Release Pipelines
React
Cloud Storage
Software Architecture
Platform Engineering

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