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Added 4 months ago
B
Machine Learning Engineer, Underwriting
Bree
Remote, Canada
- $130,000 to $230,000 USD / year
- Full-time
- Remote
We’re looking for a Machine Learning Engineer to build and scale high-impact, world-class ML systems. You’re passionate about deploying AI solutions, optimizing performance, and driving…
Added 25 days ago
C
Big Data Developer
Cognizant
Toronto, ON
- $53,000 to $108,000 CAD / year
- Full-time
As a Big Data Engineer, you will make an impact by designing, developing, and optimizing scalable data platforms, ETL processes, and data pipelines that enable business-critical analytics…
Added 5 months ago
TS
Data Engineer
T-Rex Solutions
Remote, Canada
- $50,000 to $94,000 USD / year
- Full-time
- Remote
Experience with the following: Python, SQL, ETL/ELT development, Test automation for data pipelines, Data quality automation, API integration, Airflow or workflow orchestration, AWS/Azure…
Added 5 months ago
F
Machine Learning Engineer
FactualIQ
Remote, Canada
- $160,000 to $190,000 CAD / year
- Full-time
- Remote
As a Machine Learning Engineer (Product AI), you'll build ML/AI tools that power SEAI's Decision Engine for our enterprise clients. You'll own the complete development lifecycle, from…
Added 25 days ago
A
Data Scientist / Analytics Engineer (12-month maternity leave contract)
Audiobooks.com
Burlington, ON
- Contract
Develop, maintain, and troubleshoot ETL/data pipelines using Python, PySpark, SQL, and AWS Glue.
Added 26 days ago
SG
Tech Ops Engineer
Scientific Games
HR Canada
- Full-time
Automatisez les tâches opérationnelles à l'aide de Bash, Python, PowerShell, Ansible, Terraform, SQL, CloudFormation ou d'outils équivalents afin de réduire les tâches manuelles,…
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Toronto, Ontario
- $110,000 to $130,000 CAD / year
- Full-time
This is a dual-focus role: you will spend meaningful time on both core backend engineering (.NET, gRPC microservices, SQL Server, MongoDB, Elasticsearch, AWS, Azure) and AI/ML engineering…
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Montreal, Quebec · Greater Montreal Metropolitan Area
- $110,000 to $130,000 CAD / year
- Full-time
This is a dual-focus role: you will spend meaningful time on both core backend engineering (.NET, gRPC microservices, SQL Server, MongoDB, Elasticsearch, AWS, Azure) and AI/ML engineering…
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Vancouver, British Columbia
- $110,000 to $130,000 CAD / year
- Full-time
This is a dual-focus role: you will spend meaningful time on both core backend engineering (.NET, gRPC microservices, SQL Server, MongoDB, Elasticsearch, AWS, Azure) and AI/ML engineering…
Added 26 days ago
CS
Sr Data Engineer
Cyber Space Technologies LLC
Montreal, QC
- Contract
We are seeking an experienced 10 Years of Data Engineer to design, develop, and maintain scalable data pipelines and data solutions. The ideal candidate should have strong experience in…
Added 26 days ago
SI
Back End Developer
Siri InfoSolutions, Inc.
Toronto, ON
- $70 to $75 CAD / hour
- Contract
We are looking for skilled Python Backend Engineers to build and scale high-performance backend systems. The role will focus on API development, platform engineering, and system design…
Added 5 months ago
V
Associate AI Software Engineer
VoiceValet
Vancouver, British Columbia
- $60,000 to $80,000 CAD / year
- Full-time
Understanding of relational databases and the ability to write basic SQL queries
Added 2 months ago
DD
Software Engineer Fullstack
Dominion Dynamics
Ottawa, ON
- Full-time
Optimize data storage and query patterns (SQL/NoSQL) for low-latency access and efficient telemetry archival.
Added 26 days ago
N
Software Engineering Consultant
Netlight
Toronto, ON
- Full-time
Tech agnostic mindset with proficiency and experience in: C++, Java (Spring Boot), Python (FastAPI, Django), Cloud (AWS, GCP, Azure), SQL.
Added 26 days ago
EE
Quality Assurance Specialist
Enerva Energy Solutions
Calgary, AB
- $55,000 to $70,000 CAD / year
- Full-time
We're looking for a QA Engineer to own quality across the software we build - the web applications, data tools, and AI features behind our energy and emissions programs. You'd be our first…
Added 26 days ago
EC
Senior SDET (IC4) - Senior Software Engineer in Test
Emburse Chrome River
Toronto, ON
- Full-time
Emburse is seeking a skilled and detail-oriented Senior Software Development Engineer in Test (SDET) to join our engineering team. In this role, you will bridge the gap between software…
Added 26 days ago
EC
SDET III (IC3) - Software Engineer in Test III
Emburse Chrome River
Toronto, ON
- Full-time
Emburse is seeking a skilled and detail-oriented Software Development Engineer in Test (SDET) to join our engineering team. In this role, you will bridge the gap between software…
Added 26 days ago
A
Data Scientist / Analytics Engineer (12-month maternity leave contract)
audiobooks.com
Burlington, ON
- Contract
Develop, maintain, and troubleshoot ETL/data pipelines using Python, PySpark, SQL, and AWS Glue.
Added 5 months ago
TI
Data Engineer (Python/Spark)
Take-Two Interactive Software
Toronto, Ontario
- $120,000 USD / year
- Full-time
We are looking for a dynamic Data Engineer to join a team involved in designing, building, and maintaining reliable and scalable data solutions.
Added 5 months ago
B
Principal Software Engineer - AI
Boomi
Vancouver, British Columbia
- Full-time
As a Principal Software Engineer, you will be a technical leader driving the design and implementation of complex backend systems at scale. You will set technical direction, guide team…
Added 5 months ago
L
Senior Specialist - Data Sciences
LTM
Ontario · Ontario, Canada
- $81,325 to $125,000 USD / year
- Full-time
As a Data Engineer you will responsible for budding optimizing and maintaining data pipelines using distributed
Added 5 months ago
F
Senior Solutions Engineer
Forma.ai
Toronto, Ontario
- $110,000 to $150,000 CAD / year
- Full-time
Strong proficiency in Python and SQL, with experience writing efficient, production-grade code
Added 5 months ago
C
Lead Software QA Engineer
Comm100
Vancouver, British Columbia
- Full-time
Proficiency in Python for test automation and scripting.
Added 5 months ago
P
Senior Software Engineer
PointClickCare
Mississauga, Ontario
- $142,000 to $158,000 CAD / year
- Full-time
At PointClickCare our mission is simple: to help providers deliver exceptional care. And that starts with our people. As a leading health tech company that’s founder-led and privately held,…
Added 2 months ago
W
AI Solutions Engineer
WellnessLiving
Thornhill, ON
- Full-time
Basic-to-intermediate coding ability (Python, JavaScript, SQL, or similar).

Siri InfoSolutions, Inc.

Back End Developer

Toronto, ON, Canada

$70 to $75 CAD / hour · Contract

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Job details

Pay: $70 to $75 CAD / hour
Job type: Contract
Apply by: Oct 10, 2026
Posting language: English
Posted: Sep 10, 2026

Original job description

Role: Python Backend Engineer

Location: Downtown Toronto,

Final Interview: In-person interview in Toronto is mandatory

Role Overview

We are looking for skilled Python Backend Engineers to build and scale high-performance backend systems. The role will focus on API development, platform engineering, and system design while supporting enterprise-grade, scalable, secure financial platforms.

Key Responsibilities

Design, develop, and maintain scalable backend services using Python.
Build and manage RESTful APIs and backend integrations.
Contribute to platform engineering initiatives focused on reliability and scalability.
Lead and participate in system design discussions for distributed systems.
Collaborate with frontend, DevOps, and product teams to deliver end-to-end solutions.
Optimize backend services for performance, security, and observability.
Participate in code reviews and follow engineering best practices.

Required Skills & Qualifications

Strong experience with Python backend development.
Hands-on experience designing and developing REST APIs, JSON, and OpenAPI.
Strong system design experience, including scalability, fault tolerance, and performance.
Experience with platform engineering or building shared backend platforms.
Strong understanding of SQL and NoSQL databases.
Experience with AWS, Azure, or GCP.
Familiarity with CI/CD pipelines, Git, and DevOps practices.
Bachelor’s or Master’s degree from a Canadian university or college.
Strong communication and problem-solving skills.

Preferred Qualifications

Financial services or fintech experience.
Experience with microservices architecture.
Docker and Kubernetes experience.
Exposure to security, compliance, and high-availability systems.

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More about this job

Responsibilities

The role involves designing and maintaining scalable backend services and RESTful APIs using Python. The engineer will lead system design for distributed systems and collaborate with cross-functional teams to optimize performance and security.

Requirements

Candidates must have strong Python backend development experience, proficiency in system design, and familiarity with cloud platforms and DevOps practices. A Bachelor's or Master's degree from a Canadian institution is required.

Skills

Python
REST APIs
System Design
Platform Engineering
SQL
NoSQL
AWS
Azure
GCP
CI/CD
Git
DevOps
Microservices
Docker
Kubernetes
OpenAPI

Visa sponsorship

Not detected in the job text

Keywords

Python
Backend Engineering
REST API
JSON
OpenAPI
System Design
Scalability
Fault Tolerance
Platform Engineering
SQL
NoSQL
AWS
Azure
GCP
CI/CD
Git
DevOps
Fintech
Financial Services
Microservices
Docker
Kubernetes
High-Availability Systems
Distributed Systems
Observability

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