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Fastapi Jobs in Ontario (NOW HIRING)

Releady

Senior Backend Engineer (SQL/Python)

Toronto, ON · On-site +1

CA$135/hr

The ideal candidate has hands-on experience with FastAPI (or similar Python frameworks), strong SQL proficiency, and experience working with analytics, reporting, or data-heavy applications in ...

Releady

Senior Backend Engineer (SQL/Python)

Toronto, ON · On-site +1

CA$135/hr

The ideal candidate has hands-on experience with FastAPI (or similar Python frameworks), strong SQL proficiency, and experience working with analytics, reporting, or data-heavy applications in ...

Chubb

Senior Full Stack Engineer

Toronto, ON · On-site

Integrate frontend applications with NestJS and FastAPI backends via REST APIs, Server-Sent Events (SSE) for streaming AI responses, and multipart file upload pipelines * Author unit, component, and ...

Mercor

Python Software Engineer - AI

Toronto, ON · Remote

CA$100/hr

Design modular, testable codebases using modern Python tooling and best practices such as FastAPI and Pydantic . * Optimize performance through profiling and memory management in Python

ONIT Energy/ Canadian Water Savings

Be Seen First

Senior AI Developer/ Full Stack

Toronto, ON · On-site

CA$115K - CA$130K/yr

The environment includes FastAPI, Python, React, TypeScript, PostgreSQL, Redis, Kafka, Twilio-based telephony, local model serving, and AI evaluation tooling. Position Summary We are looking for a ...

Chubb

Senior Backend Engineer

Toronto, ON · On-site

The backend spans three production services: a TypeScript NestJS middleware layer handling authentication, data access, and business logic; a Python FastAPI RAG orchestration service integrating ...

Fulfillment IQ

Full Stack Python Developer

Toronto, ON · Hybrid

Build and optimize APIs using FastAPI or Flask. * Work with React to deliver dynamic user interfaces. * Utilize Azure platform services and Azure DevOps for cloud-based solutions. * Implement Docker ...

Cibc

AI Scientist Co-op

Toronto, ON · Hybrid

You'llleverageyourexpertisein Python,FastAPI, and API development to build scalable systems that automate the extraction of data elements from complex forms. Your role will focus on working with ...

QUANTEAM (Groupe RAINBOW PARTNERS)

... FastAPI is essential. -Familiarity with SCCM and PowerShell is a plus. Lifecycle Management -Regularly patch and update OS templates for virtualized or physical environments. -Maintain and evolve ...

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How much do fastapi jobs pay per year?

As of Jun 19, 2026, the average yearly pay for fastapi in Ontario is $134,999.00, according to ZipRecruiter salary data. Most workers in this role earn between $128,000.00 and $140,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Fastapi position, and why are they important?

To thrive as a FastAPI Developer, you need strong proficiency in Python, REST API design, and knowledge of web frameworks, ideally supported by a relevant degree or industry certifications. Familiarity with tools like Docker, Git, asynchronous programming, and testing frameworks such as Pytest is often required. Excellent problem-solving skills, adaptability, and clear communication are valuable soft skills in this role. These competencies ensure robust API development, seamless collaboration, and the delivery of high-quality software solutions in agile environments.

What are the typical daily responsibilities of a FastAPI Developer?

As a FastAPI Developer, your daily tasks typically include designing and implementing RESTful APIs, writing efficient and maintainable code, and performing thorough testing to ensure reliability and performance. You may also collaborate closely with frontend developers, DevOps engineers, and QA teams to integrate new features and troubleshoot issues. Regular code reviews, documentation, and participation in agile development meetings are common parts of the workday. This collaborative and dynamic environment allows you to make a direct impact on the product while growing your skills through hands-on problem-solving and teamwork.

What is a FastAPI job?

A FastAPI job typically involves developing, maintaining, and optimizing web applications and APIs using the FastAPI framework. FastAPI is a modern, high-performance web framework for Python that is designed for building APIs quickly with automatic OpenAPI generation. Professionals in this role are expected to have experience with Python, asynchronous programming, and API development, often working with databases, authentication, and cloud services.

What are popular job titles related to Fastapi jobs in Ontario? For Fastapi jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Fastapi jobs in Ontario look for? The top searched job categories for Fastapi jobs in Ontario are:
Fastapi jobs near you
Infographic showing various Fastapi job openings in Ontario as of June 2026, with employment types broken down into 78% Full Time, 12% Part Time, 4% Temporary, and 6% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $134,999 per year, or $64.9 per hour.

Senior Backend Engineer (SQL/Python)

Releady

Toronto, ON • On-site, Remote

CA$135/hr

Contractor

Posted 27 days ago

Be an early applicant

Job description

OVERVIEW

We are seeking a Senior Backend Engineer with strong expertise in Python and API development to design and build scalable, data-driven backend systems. This role focuses on developing secure RESTful APIs, building ETL frameworks, and integrating data across cloud-native environments.

The ideal candidate has hands-on experience with FastAPI (or similar Python frameworks), strong SQL proficiency, and experience working with analytics, reporting, or data-heavy applications in enterprise environments.

Contract: 9-12 months, potential to extend / convert
Fully remote but must be able to come into the office in financial district (Toronto) for meetings at times
8am - 5pm
Hourly Rate: $135 (incorporated); $117 (T4)
RESPONSIBILITIES

  • Design, develop, and maintain scalable RESTful APIs using Python (FastAPI preferred).

  • Build and support ETL/data ingestion frameworks to process structured and semi-structured data.

  • Integrate with internal and external APIs, data platforms, and cloud storage solutions.

  • Write efficient, optimized SQL queries for analytics and reporting use cases.

  • Implement secure authentication and authorization mechanisms (e.g., OAuth2, JWT).

  • Deploy and maintain services in containerized cloud environments (Docker/Kubernetes).

  • Collaborate with cross-functional teams including data engineers, frontend developers, and product stakeholders.

  • Contribute to CI/CD pipelines, testing strategies, and code quality standards.

  • Optimize backend performance, reliability, and scalability for high-volume data systems.

QUALIFICATIONS

  • 5+ years of backend development experience.

  • Strong proficiency in Python and modern API frameworks (FastAPI, Flask, or similar).

  • Solid experience with SQL and relational databases (PostgreSQL, SQL Server, Snowflake, etc.).

  • Experience building ETL pipelines or data processing workflows.

  • Hands-on experience with cloud platforms (AWS, Azure, or GCP).

  • Experience with containerization and orchestration (Docker, Kubernetes).

  • Understanding of secure API development practices (OAuth2, JWT, RBAC).

  • Familiarity with CI/CD pipelines and version control systems (Git).

  • Experience working in enterprise or regulated environments is a plus.

  • Strong problem-solving skills and ability to work independently in a fast-paced environment.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or other non-merit factor. We are committed to creating a diverse and inclusive environment for all employees.