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Added 9 days ago
HT
Python Systems Engineer
High Tech Genesis
Toronto, ON
- Contract
Strong professional experience with Python backend development.
Added 9 days ago
PC
Lead Data Consultant, Manager
PwC Canada
Toronto, ON
- Full-time
Proficiency in SQL and Python and experience developing maintainable, testable and reusable data engineering solutions.
Added 9 days ago
KR
Quality Assurance Engineer + IoT
KTek Resourcing
Canada
- Contract
SQL, Postman, Cypress, Selenium, and automated API testing
Added 9 days ago
AS
Full Stack Designer
Apex Systems
Toronto, ON
- $65 to $75 USD / hour
- Full-time
Experience with Python for automation, scripting, and validation.
Added 9 days ago
W
Machine Learning Scientist I
Wayfair
Toronto, ON
- $132,440 to $145,684 CAD / year
- Full-time
Professional coding expertise in languages like Python and R, proficiency in SQL, and experience with data visualization tools; skilled in using ML frameworks (TensorFlow, PyTorch) and…
Added 9 days ago
C
Consultant, Risk Analytics (9 Month Fixed Term)
CIBC
Toronto, ON
- Full-time
…regulatory agency or law firm involving compliance issues. SQL programming and conducting data mining, query performance and tuning. You also have a good understanding with statistical and…
Added 9 days ago
KR
Quality Assurance Engineer + IoT
KTek Resourcing
Canada
- Full-time
SQL, Postman, Cypress, Selenium, and automated API testing
Added 9 days ago
K
Lead Data Engineer
Kabam
Vancouver, BC
- Full-time
Deep expertise in SQL and Python, and in data modelling (dimensional, medallion or lakehouse patterns).
Added 9 days ago
SM
Junior Data & Machine Learning Specialist (Contract)
Stichting Mission on Wheels
Calgary, AB
- $55,000 to $60,000 CAD / year
…datasets we can trust and findings we can test. You'll work with the founder, our engineers, our coaches and the full-stack…
Added 9 days ago
CG
Pricing Analyst
Canada Goose
Toronto, ON
- Full-time
Experience with or interest in financial analysis tools – such as PowerBI, SQL and/or data warehousing tools, a strong asset
Added 9 days ago
C
Director of AI Applications Development
CIBC
Toronto, ON
- Full-time
You bring strong technical depth. You have hands-on experience with Python, FastAPI, JavaScript (Vue.js or React.js), SQL, Redis, and Azure Cloud services, including Azure OpenAI / AI…
Added 9 days ago
S
Intern, Engineering Services (8 Months)
Seaspan
North Vancouver, BC
- Full-time
Demonstrated programming skills in the following languages: C, C#, SQL, JavaScript and Python.
Added 9 days ago
TS
Financial Reporting Analyst
TRS Staffing Solutions
BC · British Columbia, Canada
- Full-time
Strong SQL skills with experience extracting, transforming, and analyzing data
Added 9 days ago
AS
Backend Developer – GenAI
Amaze Systems
Montreal, QC
- Contract
We are seeking an accomplished Full Stack Developer with expertise in GenAI technologies to join the team and drive key initiatives forward.
Added 9 days ago
OR
Senior Systems Engineer
OSL Retail Services Inc
Mississauga, ON
- Other
Extensive experience with scripting and automation using PowerShell, Bash, and/or Python to improve reliability, reduce manual effort, and enforce standards.
Added 9 days ago
Data Engineer – Informatica IDMC & ETL Development
Capco
Toronto, ON
Proficiency in SQL, relational databases and data processing techniques, with experience optimizing queries and managing complex data transformations.
Added 9 days ago
B
Data and Reporting Analyst
BMO
Toronto, ON · BMOPLACE
- Full-time
Demonstrated experience with data mining software/language such as SAS/SQL/Python is a definite asset
Added 9 days ago
IF
Senior Analyst, Quantitative Data Science
iA Financial Group
Montreal, QC · Quebec, QC
- Full-time
…scalable systems and analytics objectives. The team works closely with Front Office investment teams to modernize analytical workflows, enable cloud-native solutions, and accelerate the…
Added 9 days ago
SI
Full-Stack Developer (Rust & WebAssembly)
SuperQubit Inc.
Markham, ON
- $80,000 to $120,000 CAD / year
- Full-time
Python: experience with scripting, automation, testing, or tooling.
Added 9 days ago
Data Analyst Developer – ETL/ELT & Data Pipelines
Vacances Air Canada Vacations / Air Canada Rouge
Mississauga, ON · Montreal, QC
If you're someone who's passionate about exploring the world and sharing that enthusiasm with our customers, we'd love to welcome you to our team.
Added 9 days ago
E
Quality Engineer - Banking Mobile (iOS/Android) & Automation Testing
Experis
Toronto, ON
- Contract
We are seeking a results-driven Quality Engineer with extensive experience in mobile and digital banking platforms. The ideal candidate will play a pivotal role in building quality into…
Added 9 days ago
UI
Process and automation specialist
UAP Inc.
Longueuil, QC
- Full-time
Develop automated solutions (Python, VBA, SQL, Power Platform, or other relevant tools) to optimize processes related to pricing, products, and master data.
Added 9 days ago
F
Senior Manager, Credit Modeling and Strategy
Flexiti
Toronto, ON · North York, ON
- Full-time
Have solid proficiency in data analysis tools (SAS, Python, R, SQL, DataBricks)
Added 9 days ago
W
AI Architect
W3Global
Vancouver, BC
- $60 to $70 CAD / hour
- Contract
Development Semantic Kernel, AutoGen, LangChain, CrewAI, .NET, Python, TensorFlow
Added 9 days ago
P
Lead Data Consultant, Manager
PwC
Toronto, ON
- Full-time
Proficiency in SQL and Python and experience developing maintainable, testable and reusable data engineering solutions.

High Tech Genesis

Python Systems Engineer

Toronto, ON, Canada

Contract

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Applications open in a new tab.

Job details

Job type: Contract
Apply by: Feb 17, 2027
Experience: 5–10+ years of backend software development experience.
Posting language: English
Posted: Jul 28, 2026

Original job description

Overview

We are looking for an experienced Backend Python Engineer to design, develop, maintain, and scale web application platforms and backend services using Python. This role is ideal for someone who is strong in end-to-end platform engineering, including designing and building applications from the ground up, ongoing development and maintenance, system architecture, and delivering secure, scalable, high-performance solutions.

Key Responsibilities

Design, develop, and maintain scalable web application platforms and backend services using Python.
Build backend applications and platform capabilities from the ground up, from initial architecture and design through development, deployment, and ongoing maintenance.
Use Python as the primary backend development language to build robust, maintainable, and high-performance applications.
Design and build RESTful APIs, integrations, and backend services.
Contribute to scalable platform and system architecture, including technical design and architectural decisions.
Own backend solutions throughout the application lifecycle, including design, development, enhancement, troubleshooting, and maintenance.
Collaborate with cross-functional teams to deliver reliable backend and platform solutions.
Optimize application performance, scalability, security, and reliability.
Participate in code reviews and follow engineering best practices.
Troubleshoot complex technical issues and contribute to continuous improvement of the platform.
5–10+ years of backend software development experience.
Strong professional experience with Python backend development.
Demonstrated experience designing and building web application platforms from the ground up.
Strong understanding of backend application design, development, architecture, and ongoing maintenance.
Experience developing and maintaining production-grade web applications and backend platforms.
Experience with REST APIs, JSON, and OpenAPI.
Solid understanding of system design, scalable architectures, and distributed applications.
Experience with SQL and/or NoSQL databases.
Experience with AWS, Azure, or GCP.
Familiarity with Git, CI/CD, and DevOps practices.
Strong communication, problem-solving, and collaboration skills.
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

Preferred Qualifications

Experience in financial services or fintech.
Knowledge of microservices, Docker, and Kubernetes.
Familiarity with security, high-availability, and fault-tolerant systems.
Experience designing platforms for scalability, performance, and reliability.
Experience owning backend applications through the full software development lifecycle.

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More about this job

Responsibilities

Design, build, and maintain Python-based web platforms, backend services, REST APIs, and integrations throughout the application lifecycle. Improve platform performance, scalability, security, and reliability while collaborating with cross-functional teams, reviewing code, and troubleshooting complex issues.

Requirements

Requires 5–10+ years of backend software development experience, strong Python expertise, and experience building and maintaining production web platforms. Candidates should understand system design, scalable and distributed architectures, APIs, databases, cloud platforms, Git, CI/CD, and DevOps; a bachelor's or master's degree in a related field is listed.

Skills

Python
Backend Development
Web Application Platforms
REST APIs
OpenAPI
JSON
System Design
Scalable Architecture
Distributed Applications
SQL
NoSQL
AWS
Azure
Google Cloud Platform
CI/CD
Docker

Visa sponsorship

Not detected in the job text

Keywords

Python
Backend Engineering
Web Applications
Backend Services
REST APIs
JSON
OpenAPI
System Architecture
System Design
Scalable Architecture
Distributed Applications
SQL
NoSQL
AWS
Azure
Google Cloud Platform
Git
CI/CD
DevOps
Microservices
Docker
Kubernetes
Financial Services
Fintech
High Availability
Fault Tolerance
Application Security
Performance Optimization

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