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Added 3 days ago
ServiceNow Developer (App Engine Studio)
Resonaite
Ottawa, ON
Contract
Our client is seeking a contract based ServiceNow Developer to support the design, development, and delivery of ServiceNow applications and platform solutions. This is a hands-on consulting…
Added 3 days ago
Senior MLOps Developer | Développeur·euse MLOps senior
Jesta I.S.
Montreal, QC
Full-time
We're looking for a Senior MLOps Developer to design, build, and maintain the data and machine learning pipelines that power our AI and analytics platforms. This is a deeply hands-on…
Added 3 days ago
SDET Contractor
PlayStation Global
Waterloo, ON
Hands-on experience developing automated tests using Python, Java, JavaScript, TypeScript, or a similar programming language.
Added 3 days ago
Senior Siebel Software Developer – Siebel, EAI/EIM, AEM & BI Reporting
ThoughtStorm
Toronto, ON
Contract
Strong OBIEE and Power BI report development experience, with knowledge of HTML5, CSS, jQuery, and JavaScript.
Added 3 days ago
Business Solutions Developer
TC Energy
Calgary, AB
Full-time
We are looking for an Application Developer who can turn complex business challenges into practical, production-ready solutions using the latest technology from AWS and Microsoft. You will…
Added 4 days ago
Front-end Developer Associate
Scotiabank
Toronto, ON
We are looking for a front-end Developer to design, build, and scale high-quality web applications that support critical business and customer experiences. This role is hands on and…
Added 29 days ago
Principal Software Engineer - Zynque
Fulfillment IQ
Toronto, ON
Full-time
Proficiency in Python and JavaScript/TypeScript (Next.js)
Added 3 days ago
Guidewire Development Manager
Michael Page
Markham, ON
$140,000 to $160,000 CAD / year
Full-time
Proficiency in Java, GOSU, and JavaScript/TypeScript for enterprise application development
Added 3 days ago
QA Automation Engineer with AI
Synechron
Calgary, AB
$75,000 to $85,000 CAD / year
Full-time
Knowledge of scripting languages (Python, JavaScript, etc.).
Added 3 days ago
Front-End Developer
Operatic Agency
Hamilton, ON
$60,000 to $70,000 CAD / year
Full-time
We're seeking a talented and detail-oriented Front-End Developer to join our ambitious and collaborative team.
Added 3 days ago
Creative Technologist, Interactive Media and Motion Graphics
Visual Capitalist
Vancouver, BC
Full-time
Tool proficiency: Adobe Creative Suite (illustrator, photoshop, firefly, etc); code (Python; javascript; associated libraries, e.g. D3.js, Chart.js, plotly) or no-code development tools…
Added 3 days ago
User Interface (UI) Developer
Sym-Tech Dealer Services
Richmond Hill, ON
$115,000 to $120,000 CAD / year
Contract
…make a real difference! We are currently recruiting for a UI Developer to join our headquarters located in Thornhill,…
Added 4 days ago
Siebel Developer
Symbiotic Digital
Toronto, ON · Downtown Toronto (Ryerson), Ontario
Contract
We are seeking an experienced Software Developer with strong
Added 4 days ago
RQ11313 - Software Developer - Senior
Maarut
Toronto, ON
Contract
Additional Skills for Oracle Software Developer:
Added 3 days ago
SAP BTP Full-Stack and Integration Developer
Talan
Toronto, ON · Montreal, Québec
$135,000 to $175,000 CAD / year
Full-time
…engagement assignment, the SAP BTP Full-Stack and Integration Developer builds the services, applications, and integrations designed for Talan…
Added 3 days ago
Senior SharePoint Migration Lead / Technical Consultant
Kyndryl
Toronto, ON
Contract
SharePoint development background (.NET, C#, JavaScript, React, Angular).
Added 3 days ago
SAP BTP Full-Stack and Integration Developer
Talan
Toronto, ON
$135,000 to $175,000 CAD / year
Full-time
…engagement assignment, the SAP BTP Full-Stack and Integration Developer builds the services, applications, and integrations designed for Talan…
Added 3 days ago
Senior Integration Engineer
Infotree Global Solutions
Toronto, ON
Contract
Database & Scripting - SQL and PL/SQL; custom scripting in Ruby, Python, Java, Groovy, or JavaScript; Custom Connectors via Connector SDK and Developer API.
Added 3 days ago
Python Backend Engineer
CirrusLabs
Toronto, ON · Greater Toronto Area, Canada
Contract
Experience developing Snowflake-native applications: stored procedures (JavaScript/Python), Tasks, Streams, Dynamic Tables, and Snowpark for building backend processing engines.
Added 5 months ago
D365 CE & Power Platform Developer
National Research Council Canada
Halifax, NS
This is a specialized Dynamics 365 CE development position for an experienced intermediate-level developer. Applicants should have substantial hands-on experience developing and configuring…
Added 5 days ago
Marketing Engineer (Front End)
Euna Solutions
ON · Oakville, Ontario
Full-time
…configuration, and performance. If you’re a front-end focused developer who genuinely loves building - and who treats AI tooling as a core part of your workflow, not an afterthought - this…
Added 4 days ago
Senior Programmer
Toronto Police Service
Toronto, ON
Full-time
Minimum of five (5) years experience developing client-server applications with .Net, VB.Net, C#, Java, C++, JavaScript, Windows Batch Scripting or other programming languages.
Added 4 days ago
Intern, Fullstack Developer (Python) - Winter Semester 2027
AlayaCare
Montreal, QC
As an Fullstack Developer Intern (Python, Vue.js & RESTful APIs), you’ll work closely with experienced developers and product team members to contribute to real product features on the…
Added 4 days ago
Forward Deployed Engineer (FDE) (Mid/Senior Level)
Salesforce Partner Canada
Toronto, ON
Full-time
You're fluent in at least one of Python, JavaScript/TypeScript, Java, or Apex - and willing to add to that list as the work demands.
Added 4 days ago
Senior Technical Consultant - PubSec
Salesforce Partner Canada
Toronto, ON
Full-time
Ability to up-skill on AI Fluency and an AI-Native delivery methodology, utilizing AI tools, developer assistants (e.g., Agentforce Vibes, Cursor, Claude) and agentic evaluation frameworks…

CirrusLabs

Python Backend Engineer

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Job type: Contract
Apply by: Oct 17, 2026
Experience: 5-7 years of professional full stack development experience, with demonstrated delivery of production-grade web applications.
Posting language: English
Posted: Sep 17, 2026

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Original job description

Technical Skills

Experience designing and implementing microservices architectures, including service discovery, inter-service communication, API versioning, and distributed tracing/logging for observability.

Proficiency in Python for backend development, including FastAPI async patterns, and Pydantic-based data validation.

Hands-on experience with SQL and analytical databases for writing optimized queries, aggregations, and data transformations.

Experience developing Snowflake-native applications: stored procedures (JavaScript/Python), Tasks, Streams, Dynamic Tables, and Snowpark for building backend processing engines.

Understanding of REST API design, OpenAPI specifications, and API integration patterns in frontend applications.

Knowledge of authentication and authorization patterns including JWT, OAuth2, and role-based access control.

Experience with Docker and Docker Compose for local development and containerized deployments.

Familiarity with CI/CD pipelines for automated testing and deployment.

Experience with version control using Git, including branching strategies and code review workflows.

Ability to work with cloud platforms (AWS, Azure, or GCP) for data storage, compute, and deployment.

Qualifications and Skills

Bachelor’s degree (Master’s preferred) in Computer Science, Software Engineering, Information Systems, or a related discipline.

5-7 years of professional full stack development experience, with demonstrated delivery of production-grade web applications.

Experience in the Payments or Fintech industry would be a strong asset.

Proven ability to work independently, manage multiple concurrent workstreams, and deliver with minimal oversight.

Excellent communication and interpersonal skills, with the ability to engage both technical and non-technical audiences.

Unquestionable personal and business ethics and integrity

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More about this job

Responsibilities

Design and implement microservices architectures using Python and FastAPI with a focus on observability and data validation. Develop Snowflake-native applications and backend processing engines to handle optimized queries and data transformations.

Requirements

Requires 5-7 years of professional full stack development experience and a Bachelor's degree in Computer Science or a related field. Proficiency in Python, SQL, and cloud platforms is essential, with Fintech industry experience being a strong asset.

Skills

Python
FastAPI
Pydantic
Microservices
SQL
Snowflake
Snowpark
REST API
OpenAPI
JWT
OAuth2
Docker
CI/CD
Git
AWS
Azure

Visa sponsorship

Not detected in the job text

Keywords

Python
FastAPI
Pydantic
Microservices
SQL
Snowflake
Snowpark
REST API
OpenAPI
JWT
OAuth2
Docker
Docker Compose
CI/CD
Git
AWS
Azure
GCP
Fintech
Payments
Distributed Tracing
API Versioning
Service Discovery
Role-Based Access Control
Backend Development
Full Stack Development

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