152,375+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

Professional job seekers finding Canada jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Quality Engineer Specializing in Automation

Join Cognizant as a Senior Quality Engineer, utilizing Python and Robot Framework to drive automation excellence. This hybrid position enhances operational workflows while focusing on banking clientele.In this role, you'll harness your automation framework expertise, spanning 6-10 years. Your focus will be o ...

AI/ML Engineer with AWS Expertise

Take your AI/ML career to the next level by working with key AWS services. This role focuses on model development, deployment, and automation skills in a dynamic environment.As an AI/ML Engineer, you will engage in machine learning model development and deployment. Proficiency in Python, SQL, and designing d ...

Senior Data Engineer with AWS Expertise

Join EPAM's dynamic team as a Senior Data Platform Engineer, leveraging AWS to build next-gen data solutions. Utilize your strong Python skills to enhance data product integrity and performance.In this impactful role, you'll design secure and scalable data platforms on AWS utilizing tools like EMR, Glu ...

Remote Analytics Data Engineer Role

Explore a dynamic Remote Analytics Data Engineer position focused on Treasury and Finance. Utilize your programming and data engineering skills to influence business strategies through data insights.We are looking for candidates with 8-10 years of experience in Python, SQL, and SAS for this remote role ...

Full Stack Software Engineer: eCommerce Focus

Elevate your career as a Full Stack Software Engineer with Flywheel, focusing on cutting-edge eCommerce solutions. Contribute to the Perpetua product using modern technologies like Python, React, and TypeScript.You will be instrumental in designing and constructing scalable backend services and intuitive use ...

Senior Automation Developer at PLATO

Join PLATO, Canada's pioneering Indigenous-led firm, as a Senior Automation Developer. Support critical backend validation initiatives involving Dynamics 365 and leverage your automation expertise.This role seeks a seasoned automation engineer with over eight years of test automation experience and strong de ...

Numerical Software Developer at Seequent

Transform research into high-quality numerical software with Seequent as a Numerical Software Developer in Toronto. Utilize C++, Python, and CUDA in a hybrid work environment to deliver innovative Earth science solutions.Seequent is seeking an experienced Numerical Software Developer, reporting to the Direct ...

Data Engineer Role at Take Two Interactive

Become a Data Engineer at Take-Two Interactive in New York City, where you'll apply your Python expertise to build and optimize data architectures. Embrace the challenge of supporting vast data operations.In this role, you will design and maintain scalable data solutions while working closely with business t ...

ZoomInfo Senior Data Engineer

Become a key player at ZoomInfo as a Senior Data Engineer, leading the development of enterprise data infrastructure. This role enables impactful data interactions and insights through innovative technologies.As part of the Data & AI Engineering team, you will design product-oriented data pipelines leveragin ...

Beanfield Software Engineer I Position

Join Beanfield as a Software Engineer I and be part of a collaborative team. Focus on backend development using Python and Java while designing scalable systems and APIs.In this role, you will work within a technology-driven environment, contributing to software development and implementation focusing ...

AI/ML Engineer with AWS Expertise

Take your AI/ML career to the next level by working with key AWS services. This role focuses on model development, deployment, and automation skills in a dynamic environment.As an AI/ML Engineer, you will engage in machine learning model development and deployment. Proficiency in Python, SQL, and designing d ...

AI/ML Engineer with AWS Expertise

Take your AI/ML career to the next level by working with key AWS services. This role focuses on model development, deployment, and automation skills in a dynamic environment.As an AI/ML Engineer, you will engage in machine learning model development and deployment. Proficiency in Python, SQL, and desig ...

Full Stack Software Engineer: eCommerce Focus

Elevate your career as a Full Stack Software Engineer with Flywheel, focusing on cutting-edge eCommerce solutions. Contribute to the Perpetua product using modern technologies like Python, React, and TypeScript.You will be instrumental in designing and constructing scalable backend services and intuitive use ...

Senior Automation Developer at PLATO

Join PLATO, Canada's pioneering Indigenous-led firm, as a Senior Automation Developer. Support critical backend validation initiatives involving Dynamics 365 and leverage your automation expertise.This role seeks a seasoned automation engineer with over eight years of test automation experience and str ...

Numerical Software Developer at Seequent

Transform research into high-quality numerical software with Seequent as a Numerical Software Developer in Toronto. Utilize C++, Python, and CUDA in a hybrid work environment to deliver innovative Earth science solutions.Seequent is seeking an experienced Numerical Software Developer, reporting to the ...

Full Stack Software Engineer: eCommerce Focus

Elevate your career as a Full Stack Software Engineer with Flywheel, focusing on cutting-edge eCommerce solutions. Contribute to the Perpetua product using modern technologies like Python, React, and TypeScript.You will be instrumental in designing and constructing scalable backend services and intuiti ...

Full Stack Software Engineer: eCommerce Focus

Elevate your career as a Full Stack Software Engineer with Flywheel, focusing on cutting-edge eCommerce solutions. Contribute to the Perpetua product using modern technologies like Python, React, and TypeScript.You will be instrumental in designing and constructing scalable backend services and intuitive use ...

AI/ML Engineer with AWS Expertise

Take your AI/ML career to the next level by working with key AWS services. This role focuses on model development, deployment, and automation skills in a dynamic environment.As an AI/ML Engineer, you will engage in machine learning model development and deployment. Proficiency in Python, SQL, and designing d ...

Sr Data Engineer

Downtown Toronto (Richmond / Adelaide / King), Canada | Posted on 02/26/2026 City Downtown Toronto (Richmond / Adelaide / King) Country Canada Job Description Location: Hybrid/Toronto Job ID#: RQ00527 Duration: 6 months Overview ...

Sr Data Engineer

Downtown Toronto (Richmond / Adelaide / King), Canada | Posted on 02/26/2026 City Downtown Toronto (Richmond / Adelaide / King) Country Canada Job Description Location: Hybrid/Toronto Job ID#: RQ00527 Duration: 6 months Overview ...

Senior Devops Engineer Contract Toronto

OverviewSenior DevOps Engineer contract role at Payfare. You will join a diverse team delivering versatile and secure platform solutions that empower feature development teams to create high-quality services for customers. Responsibilities include monitoring and maintaining Payfare’s Kubernetes-based a ...

AI Product Analyst – Global Technology Operations

We’re looking for an early-career AI Product Analyst to join our Global Technology Operations team and help build next-generation GenAI solutions that power IT operations at scale.In this role, you’ll work alongside experienced engineers and product teams to design, build, and deploy AI-driven applications that ...

AI Product Analyst – Global Technology Operations

We’re looking for an early-career AI Product Analyst to join our Global Technology Operations team and help build next-generation GenAI solutions that power IT operations at scale.In this role, you’ll work alongside experienced engineers and product teams to design, build, and deploy AI-driven applications that ...

Quality Engineer

We are seeking a seasoned Quality Engineer with over 10 years of experience in software testing across various platforms including UI, Desktop, Mainframe, API, Mobile, and Non-Functional Testing. The ideal candidate will have strong expertise in both manual and automated testing, with hands-on exper ...

Quality Engineer

We are seeking a seasoned Quality Engineer with over 10 years of experience in software testing across various platforms including UI, Desktop, Mainframe, API, Mobile, and Non-Functional Testing. The ideal candidate will have strong expertise in both manual and automated testing, with hands-on exper ...

Quality Engineer

We are seeking a seasoned Quality Engineer with over 10 years of experience in software testing across various platforms including UI, Desktop, Mainframe, API, Mobile, and Non-Functional Testing. The ideal candidate will have strong expertise in both manual and automated testing, with hands-on exper ...

QA Automation Engineer (Toronto)

Overview Job Title: Python QA Automation Engineer – GenAI Location: Toronto, ON Work Style: Hybrid – 4 Days Onsite Duration: 12 Months Contract Client: TCS Role Summary We are seeking an experienced Python QA Automation Engineer with solid expertise in G ...

Senior Java Developer

We are looking for a smart, enthusiastic backend software engineer with experience in MongoDB and a keen interest in current technology and engineering. Using your knowledge of Java and MongoDB, and engineering best practices, you will be involved in helping clients to adopt the latest version of MongoDB across ...

Sr. SDET Engineer

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Iris Software Inc. Helping talents upskill their career journey in IRIS Software, Financial Services (BFSI) | Hiring Java Developers in Ontario Canada Iris's Fortune 100 direct client is lo ...

Sr. SDET Engineer

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Iris Software Inc. Helping talents upskill their career journey in IRIS Software, Financial Services (BFSI) | Hiring Java Developers in Ontario Canada Iris's Fortune 100 direct client is lo ...

Sr. SDET Engineer

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Iris Software Inc. Helping talents upskill their career journey in IRIS Software, Financial Services (BFSI) | Hiring Java Developers in Ontario Canada Iris's Fortune 100 direct client is lo ...

Senior Site Reliability Engineer

Job Overview SRE is part of a global organization that leverages the latest technology to communicate with our colleagues across the globe. We organize ourselves into distributed teams – SRE teams are anchored to iManage offices worldwide. Tuesdays and Fridays are dedicated to in‑office collaborat ...

Data Engineer

The Data Engineer will be responsible for developing and maintaining scalable data solutions, with a primary focus on Snowflake and SQL. This role requires strong analytical abilities, hands‑on data engineering expertise, and the capability to work independently. The ideal candidate will brin ...

Senior Machine Learning Engineer – LLM’s

Senior Machine Learning Engineer – LLM’s Tech scale up developing democratized AI Technology, backed by one of the worlds leading AI investors with multiple successes & exits. You’ll have experience with LLM’s and Reinforcement learning. BA in Computer Science (Masters or PhD preferred) or related field Eager to ...

Senior ML Engineer: Proactive AI for User Access

OverviewA leading software company in Toronto is looking for a Senior Machine Learning & AI Engineer to develop intelligence-driven user management systems. This pivotal role involves end-to-end development, data strategy, and deployment of ML models focusing on automation and predictive analytics. Can ...

Senior Data Platform Engineer

Senior Data Platform Engineer Join to apply for the Senior Data Platform Engineer role at Gravity. Get AI-powered advice on this job and more exclusive features. About Gravity Gravity is the platform public agencies use to manage budgeting, automate financial reporting, ...

Senior Data Platform Engineer

Senior Data Platform Engineer Join to apply for the Senior Data Platform Engineer role at Gravity. Get AI-powered advice on this job and more exclusive features. About Gravity Gravity is the platform public agencies use to manage budgeting, automate financial reporting, ...

Senior Data Platform Engineer

Senior Data Platform Engineer Join to apply for the Senior Data Platform Engineer role at Gravity. Get AI-powered advice on this job and more exclusive features. About Gravity Gravity is the platform public agencies use to manage budgeting, automate financial reporting, ...

Principal Engineer/Chief SW Architect

Principal Engineer / Chief Software ArchitectA Little About Us Making fans - That’s what we’re all about! Since our humble beginnings in 2011, these two words have driven us to become the successful company it is today. We are focused on making our mark as a next-generation, live operations games compa ...

Machine Learning Engineer

The Machine Learning Engineer will lead the design, development, and deployment of advanced machine learning models and production-grade AI solutions.This role works closely with cross-functional teams to integrate ML capabilities into digital applications and product features.The engineer wi ...

Senior Application Developer

About the Role We are looking for a versatile Senior Software Engineer to join our core team and help us build and maintain high‑quality software. The role reports to the Senior Manager and Squad Lead, DataXchange Squad. This hybrid position (2–3 days per week in the office) is based in Toronto, O ...

Senior Application Developer

About the Role We are looking for a versatile Senior Software Engineer to join our core team and help us build and maintain high‑quality software. The role reports to the Senior Manager and Squad Lead, DataXchange Squad. This hybrid position (2–3 days per week in the office) is based in Toronto, O ...

Senior Application Developer

About the Role We are looking for a versatile Senior Software Engineer to join our core team and help us build and maintain high‑quality software. The role reports to the Senior Manager and Squad Lead, DataXchange Squad. This hybrid position (2–3 days per week in the office) is based in Toronto, O ...

Lead Staff Engineer in Offensive Security and Red Teaming

Elevate security standards as a Staff Offensive Security Engineer. Focus on red teaming, real-world testing, and strategic collaboration in a vibrant office setting dedicated to financial innovation.As a central figure, you will lead red team operations and assess vulnerabilities across applications and infr ...

Lead R&D Engineer in AI/ML and HPC

Elevate your career as an R&D Engineer focused on AI/ML and high-performance computing. Build innovative workloads on a leading wafer-scale architecture to set new performance standards.This role within the Advanced Technology Group involves designing advanced scientific workflows and collaborating with inte ...

Lead Mechanical Engineer Driving Project Success in Mining Sector

Step into a pivotal role as a Mechanical Engineering Lead focused on innovative mining projects. Oversee comprehensive mechanical and piping design while fostering effective collaboration on-site and during travel to key locations.In this crucial position, you will manage all mechanical engineering activitie ...

Lead AI Engineer, NLQ & Agentic Systems Toronto, Ontario, Canada

Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent acro ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Lead Fullstack Engineer Python Fastapi Jobs in Toronto Job Search Guide, Trends and Insights