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Added 23 days ago
M
Principal Full-Stack Developer - Platform & Infrastructure
MaintainX
Montreal, QC
- $131,000 to $230,000 CAD / year
- Full-time
Developer Productivity: Internal tooling and IDE plugins that make every engineer faster.
Added 23 days ago
K
Senior Software Engineer (Python & Frontend)
Keasis
Montreal, QC
- Contract
Added 23 days ago
M
Principal Full-Stack Developer - Platform & Infrastructure
MaintainX
Toronto, ON
- $131,000 to $230,000 CAD / year
- Full-time
Developer Productivity: Internal tooling and IDE plugins that make every engineer faster.
Added 23 days ago
XC
Senior Developer Engineer/Leader - Montreal
Xcelerated Consulting Group, LLC.
Montreal, QC
- Contract
Scripting & Frontend (Preferred): Proficiency in Python and/or Shell Scripting for automation.
Added 23 days ago
GO
Product Development Engineering Co-op Student
G2V Optics
Edmonton, AB
- Contract
Programming & scripting to solve a variety of problems (Python, C).
Added 23 days ago
EB
AI Solutions Engineer, Technology Workplace Services
EQ Bank | Canada's Challenger Bank
Toronto, ON
- Full-time
The Technology Workplace Services AI Solutions Engineer identifies, designs, builds, governs, and improves AI-enabled and automated solutions that strengthen TWS service delivery, employee…
Added 23 days ago
GC
AI Engineer
GEI Consultants, Inc.
Vaughan, ON
- $110,000 to $150,000 CAD / year
- Full-time
The AI Engineer is responsible for the development of AI solutions, typically leveraging pretrained models and copilots, to support GEI’s priority digital and AI initiatives. This role…
Added 23 days ago
MS
Consultant Conversion - Director, Infra Prod Mgmt & RE III
Morgan Stanley
Montreal, QC
- Full-time
Site Reliability Engineer, Logging Squad SRE Lead Organization: Observability
Added 23 days ago
S
Data Platform Engineer
Shift4
Toronto, ON
- Full-time
Shift4 is seeking a Data Platform Engineer to join our Data Platform team and build, maintain, and optimize the pipelines that move data from our production systems into our analytics…
Added 23 days ago
AI and Data - Senior Consultant - AI Engineer
EY
AB · Calgary, AB
As AI Engineer, you will design and build production-grade AI and agentic AI solutions that solve real business problems for EY's clients. You are the core builder on the delivery team,…
Added 23 days ago
AI and Data - Manager - AI Engineer
EY
AB · Calgary, AB
As AI Engineer, you will design and build production-grade AI and agentic AI solutions that solve real business problems for EY's clients. You are the core builder on the delivery team,…
Added 23 days ago
LI
Artificial Intelligence Engineer
LanceSoft, Inc.
Peterborough, ON
- Contract
Full-Stack Development: Strong proficiency in Python (NumPy, Pandas, Matplotlib, Boto3) alongside modern web application development using Next.js, React, and TypeScript/JavaScript.
Added 23 days ago
QW
AI Quality Engineer (SDET)
Quantum World Technologies Inc.
Toronto, ON
- Contract
Experience with Python| Selenium| Playwright| PyTest| or similar tools
Added 23 days ago
EB
AI Solutions Engineer, Technology Workplace Services
EQ Bank
Toronto, ON
- Full-time
The Technology Workplace Services AI Solutions Engineer identifies, designs, builds, governs, and improves AI-enabled and automated solutions that strengthen TWS service delivery, employee…
Added 23 days ago
P
Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
- Full-time
Senior Security Engineer - Cloud Security (Platform Engineering, Kubernetes & Identity)
Added 23 days ago
KG
Kafka Platform Engineer/Admin
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Full-time
We are seeking a Senior Kafka Platform Engineer to administer, maintain, and optimize enterprise Apache Kafka platforms across Development, Test, UAT, and Production environments. The role…
Added 23 days ago
KG
Senior Python Developer (PySpark & AWS Platform Engineering)
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Contract
…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…
Added 23 days ago
AI
Quality Engineer (QE) SDET AI Chatbot
Apptoza Inc.
Brampton, ON
- Contract
Job TitleQuality Engineer (QE) SDET AI Chatbot ValidationKey Roles ResponsibilitiesValidate chatbot responses for accuracy| relevance| completeness| and consistency.Create and execute test…
Added 23 days ago
ZS
Forward Deployed Engineer (Python/PySpark + Claude + SQL + APIs + Data & MLOps)
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Strong hands-on expertise in Python, PySpark, SQL, REST APIs, FastAPI, and enterprise application integration.
Added 23 days ago
AI
AI Chatbot Quality Engineer
Apptoza Inc.
Brampton, ON
- Contract
…Strong analytical and troubleshooting skills. Experience with Python| Selenium| Playwright| PyTest| or similar tools. Strong communication and documentation…
Added 23 days ago
MT
Computer Aided Design Engineer
Mirafra Technologies
Canada
- Full-time
A LEC (Logic Equivalence Checking) CAD Engineer who will develop and support formal equivalence methodologies to ensure functional correctness between RTL, synthesized netlists, and…
Added 23 days ago
P
Senior Software Engineer
PointClickCare
Mississauga, ON
- $142,000 to $158,000 CAD / year
- Full-time
Knowledge of scripting languages such as Python, Bash or Groovy
Added 23 days ago
S
Senior AI Machine Learning Engineer
SAP
Montreal, QC
- Full-time
We are hiring a Senior Machine Learning Engineer Scientist to lead the development of scalable graph-based and transformer-based modeling systems, along with production-grade ML pipelines.…
Added 23 days ago
MC
Cloud Platform Engineer – Kubernetes (36051)
Myticas Consulting
Toronto, ON
- Contract
Myticas Consulting is seeking an experienced Cloud Platform Engineer – Kubernetes to support enterprise cloud infrastructure, container platforms, and application engineering teams.
Added 23 days ago
MC
AI Platform Engineer (35577)
Myticas Consulting
Toronto, ON
- Contract

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 14, 2026
Posting language: English
Posted: Oct 15, 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 reliable, large-scale PySpark data infrastructure on AWS, while maintaining automated testing, code quality, packaging, and deployment workflows.

Requirements

Requires 8+ years of production Python and advanced PySpark experience, hands-on AWS EMR expertise, and experience with Pytest, Pylint, PyPI, Gulp, Jenkins, and UrbanCode. A computer science, software engineering, or equivalent technical degree is preferred; JupyterLab customization and React experience are also desirable.

Skills

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

Visa sponsorship

Not detected in the job text

Keywords

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

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