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Added 3 days ago
Software Engineer, Early Career - Immediate Start
Stripe
Toronto, ON
One or more areas of specialized knowledge (frontend, backend, infrastructure or other technologies) balanced with general skills and knowledge.
Added 3 days ago
Senior Backend Developer
Cruit Group
Toronto, ON
Full-time
…This senior individual contributor role is tailored for an engineer capable of owning backend services end-to-end, optimizing production environments, and driving technical decisions as…
Added 3 days ago
Backend Engineer, Link
Stripe
Toronto, ON
Added 4 days ago
Senior Software Engineer
Remitly
Burnaby, BC
Full-time
As a Senior Software Development Engineer, you will focus on driving innovation and expanding our new, next-generation Customer Success platform by architecting new workflows and launching…
Added 4 days ago
Sr. Software Engineer - Fullstack
eBay
Toronto, ON
Full-time
We are looking for a Senior Software Engineer – Full Stack with 6+ years of professional software development experience to help build a new, scalable authentication platform.
Added 3 days ago
Full Stack Engineer
Zapcom Group Inc
Toronto, ON
$90,000 to $110,000 CAD / year
Full-time
Looking for Sr full stack developers 8+ year's experience who needs to have core Java, Spring boot skills on backend and JavaScript and React skills on frontend.
Added 4 days ago
Senior UI Engineer
Atolio
Remote, Canada
Full-time · Remote
We're looking for a UI Engineer to help design and build the next generation of user experiences at Atolio. You'll work closely with product, design, and engineering teams to create…
Added 12 days ago
Senior Data Engineer [GROWTH]
HelloFresh
Toronto, ON
Added 3 days ago
Senior Software Engineer, Agent Gateway
Okta
Toronto, ON
Okta is looking for a Senior Software Engineer to help build the Agent Gateway. You will own features and components across the data and control planes, turning technical designs and…
Added 3 days ago
Senior Staff Software Engineer, Stripe Dashboard
Stripe
Toronto, ON
Full-time
As a Senior Staff Engineer on the Merchant Experience team, you'll be a technical leader across 50+ Engineers responsible for shaping the next generation of how Stripe merchants interact…
Added 3 days ago
Senior Software Engineer II, KYC
Carta
Toronto, ON · Waterloo, ON
As a Senior Software Engineer II, KYC, you will lead technically complex projects and serve as a multiplier for your team. You’ll work to:
Added 3 days ago
Product Engineer Intern 4 or 8 months - Winter 2027
Dayforce
Toronto, ON
We are looking for a Product Engineer Intern with an interest in visualizing and optimizing large-scale data with an amazing UI/UX. The successful candidate will collaborate on the design,…
Added 3 days ago
Senior Software Engineer, Agent Gateway
Okta
Toronto, ON
$136,000 to $187,000 CAD / year
Full-time
Okta is looking for a Senior Software Engineer to help build the Agent Gateway. You will own features and components across the data and control planes, turning technical designs and…
Added 4 days ago
Structural Engineer, Municipal Water and Wastewater
Hatch
Mississauga, ON
Hatch is currently seeking a highly motivated Structural Engineer to join our Project Delivery Team in Mississauga, with a focus on Water Projects.
Added 9 days ago
Senior Analytics Engineer, Workbench
Fulfillment IQ
Toronto, ON
$125,000 to $160,000 CAD / year
Full-time
Job Title: Senior Analytics Engineer, Workbench
Added 4 days ago
Business Solutions Developer
TC Energy
Calgary, AB
Full-time
AWS or Microsoft certifications, such as AWS Solutions Architect, PL-100, PL-200, PL-400, or Fabric Analytics Engineer.
Added 4 days ago
Senior Software Quality Engineer (Mainframe)
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
Full-time
Added 4 days ago
(Python) AI Engineer - Vice President
Citi
Mississauga, ON
Full-time
…President (VP), to join our team as an Application Development AI Engineer. The ideal candidate is a seasoned engineer with a proven track record of building and scaling high-performing and…
Added 3 days ago
Software Engineer (S/W Dev & AI Solutions)
Synpulse
Toronto, ON
We are looking for a talented and highly motivated Software Engineer to build agentic AI solutions tailored to our financial services clients. You will combine software development and data…
Added 3 days ago
Business Solutions Developer
TC Energy
Calgary, AB
Full-time
AWS or Microsoft certifications, such as AWS Solutions Architect, PL-100, PL-200, PL-400, or Fabric Analytics Engineer.
Added 3 days ago
Senior Fullstack Engineer- Toronto
Sokin
Toronto, ON
Full-time
We are looking for a passionate Senior Engineer who wants to join our growing team, helping us to transform and scale our payments platform.
Added 2 months ago
Senior Full-Stack Engineer - Clinical Trials
RAN BioLinks
Toronto, ON · Greater Toronto Area, Canada
Full-time
Added 3 days ago
AI Engineer
Yeshnex IT Solutions
Canada
Contract
Performs cross-platform analysis and trade-off assessments across backend (Python/FastAPI), frontend (React/TypeScript), and AI services (GCP Vertex AI, LangFuse) to ensure consistency and…
Added 3 days ago
Back End Developer-Python
SRA Group
Toronto, ON
Contract
Job Title : Backend Engineer – Python (API & Platform Engineering) X13 (ongoing roles)
Added 3 days ago
Senior Software Engineer, Frontend
Brex
Vancouver, BC
As a Senior Frontend Engineer, you will be working across the entire Brex stack, creating and maintaining new products, features, and building tools to help scale Brex. You will have the…

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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