685,638+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies 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

Senior Staff Engineer for Innovative Software Solutions

Shape the future of ecommerce as a Senior Staff Engineer focused on designing agent-based systems and AI-enhanced workflows. Work collaboratively to impact millions through innovative software solutions.This influential position requires you to architect sophisticated systems that use AI and composable skill ...

Software Engineer II, Full Stack (Marketplace Performance)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Marketplace Performance team in the Direct to Consumer org builds the discovery platforms behind Affirm’s deals feed, affiliates, ...

Software Engineer II, Full Stack (Marketplace Performance)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Marketplace Performance team in the Direct to Consumer org builds the discovery platforms behind Affirm’s deals feed, affiliates, ...

Software Engineer II, Full Stack (Marketplace Performance)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Marketplace Performance team in the Direct to Consumer org builds the discovery platforms behind Affirm’s deals feed, affiliates, ...

Software Engineer II, Full Stack (Marketplace Performance)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Marketplace Performance team in the Direct to Consumer org builds the discovery platforms behind Affirm’s deals feed, affiliates, ...

Software Engineer II, Full Stack (Marketplace Performance)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Marketplace Performance team in the Direct to Consumer org builds the discovery platforms behind Affirm’s deals feed, affiliates, ...

Senior Software Engineer, Machine Learning (Fraud ML)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. On the ML Fraud team, you’ll build and improve machine learning systems that make real‑time transaction decisions, protecting ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Senior Software Engineer, AI Powered Developer Productivity

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Our core philosophy is to empower developers to self-serve rather than be bottlenecked by a central quality team. We believe that ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Software Engineer, Global Payments Technology (Java Developer)

Title: Software Engineer, Global Payments Technology (Java Developer) Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. Scotiabank continues to be an industry leader for Payment’s technology and innovation. We ...

Senior Unity Software Engineer Mobile + WebGL Client

Blastworks is seeking a Senior Software Engineer to help build and evolve our live social gaming experiences. You’ll work on a mix of meta systems and standalone mobile titles, contributing to both gameplay and underlying client architecture. This is a hands‑on role with opportunities to influence ...

Mid Level C# Engineer for Software Development

Join as a Mid-Level C# Engineer, utilizing your skills to develop innovative software solutions. Engage in a collaborative agile environment focused on high availability and scalable systems.As a C# Engineer, you’ll have the chance to utilize your 5 years of multi-threaded programming experience. You will wo ...

Full Stack Software Engineer (Laravel & Vue 3)

Join a vibrant development team as a Full-Stack Software Engineer, specializing in Laravel and Vue 3. Drive impactful software solutions across a variety of industries and automation projects.This role is designed for someone with an Intermediate to Mid-Senior level of experience, focusing on building robust ...

Senior Software Engineer (AI Powered Developer Productivity)

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Our core philosophy is to empower developers to self-serve rather than be bottlenecked by a central quality team. We believe that ...

Staff Software Engineer AI Marketing CANADA (Remote)

Luxury Presence is building the AI growth platform for real estate. Backed by Bessemer Venture Partners and other top investors, we're a Series C company on track to hit $100M in annual recurring revenue in the next six months. More than 87,000 real estate professionals, including over 30% of the W ...

lululemon Senior Software Engineer Content Management Systems

Description & Requirements who we are lululemon is an innovative performance apparel company for yoga, running, training, and other athletic pursuits. Setting the bar in technical fabrics and functional design, we create transformational products and experiences that support people in m ...

Software Dev Engineer II, AWS Elemental Inference

Join the AWS Elemental Inference team, we’re looking for a curious, empathetic Software Development Engineer II who is passionate about AI-driven video processing technologies and excited to work on challenging problems at scale. In this role, you’ll contribute to building robust, scalable video processing ...

Software Engineer II, Full Stack (Marketplace Performance)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Marketplace Performance team in the Direct to Consumer org builds the discovery platforms behind Affirm’s deals feed, affiliates, ...

Backend Software Engineer Scala / Distributed Systems [HR170]

About Smart Working: At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity - it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values y ...

Software Engineer II Specializing in Frontend Solutions

Drive frontend innovation as a Software Engineer II. You'll create accessible, impactful user interfaces while fostering collaboration across teams to enhance the customer experience in digital finance.This role on the Home and Explore team centers around delivering a cohesive digital experience for a global ...

Senior SDET (Software Development Engineer in Test)

The Role We’re hiring a Senior SDET to own the engineering of quality for revenue‑critical payment systems. This role focuses on building and evolving automated testing systems, improving developer workflows, and ensuring quality is enforced through engineering practices and not just manual valid ...

Senior Embedded Software Engineer Emergent Solutions Inc.

Position Description Design and implement Linux-based embedded software for multi-core ARM/x86 systems supporting real-time communications, edge AI, and Dockerized services. Collaborate across hardware, RF, and platform teams to ensure robust, secure, and performant operation in field conditions. ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at affirm, the other team being ML Training & Serving ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at affirm, the other team being ML Training & Serving ...

We're Hiring a Software Engineer in Toronto

We're Hiring a Software Engineer in Toronto Job Title: Software Engineer (full Stack -AWS/PostgreSQL/Python/FastAPI/TypeScript/React) Candidates must be legally authorized to work in Canada About ClearBlue: ClearBlue Markets is a global leader in carbon markets, helpin ...

Senior Systems Software Engineer Deep Learning Solutions

NVIDIA is a global leader in physical AI, powering self-driving cars, humanoid robots, intelligent environments, and medical devices. Our software platforms are central to this mission. We help innovators build products that save lives, enhance working conditions, and improve living standards globally! We are hi ...

Product Focused Software Engineer (AI, Unlimited PTO)

A data-focused tech startup in Toronto is seeking a product and engineering leader to shape its offerings. The ideal candidate will have over 6 years of experience in building production web applications and possess strong expertise in Python and TypeScript. This role requires a deep understanding of system perf ...

Software Development Engineer, Sponsored Products and Brands

Description The Sponsored Products and Brands team at Amazon Ads is re-imagining the advertising landscape through industry leading generative AI technologies, revolutionizing how millions of customers discover products and engage with brands across Amazon.com and beyond. We are at the forefront o ...

Software Development Engineer, Middle Mile P&O

DescriptionThe Route Execution Optimization (REO) team in Middle Mile Planning and Optimization (MMPO) is seeking a Software Development Engineer II to build systems that automatically respond to transportation network disruptions—weather delays, facility closures, equipment failures, and ...

Software Engineer II, Full Stack (Card Acquisition)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Card Acquisition team is critical in bringing our exciting product vision to life. Like any other financial company, our first imp ...

Software Engineer II, Full Stack (Card Acquisition)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Card Acquisition team is critical in bringing our exciting product vision to life. Like any other financial company, our first imp ...

Senior Embedded Software Engineer – Rail Remote Controls

Une société de solutions technologiques à Montréal cherche un(e) développeur(euse) logiciel embarqué senior. Le candidat sera responsable de la conception, du développement et de la maintenance de logiciels embarqués sécuritaires pour des systèmes ferroviaires. Avec un Baccalauréat en génie et 5 ans d'expérience ...

Software Engineer II, Full Stack (Card Acquisition)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Card Acquisition team is critical in bringing our exciting product vision to life. Like any other financial company, our f ...

Full Stack Software Engineer with PHP Expertise

Empower projects as a Full-Stack Software Engineer focusing on PHP 8 and React.js. Enhance API performance and collaborate across functions in a fully remote environment, prioritizing hands-on development.This role entails a strong emphasis on server-side application development, particularly with PHP and Go ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Software Engineer, Full Stack Applications Ratings Technology

Requisition ID: 49891 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Apr 24, 2026 Software Engineer, Full-Stack Applications – Ratings Technology Fitch Ratings is seeking a Software Engineer to join our gl ...

Senior Software Engineer, AI Game Creation Platform

Overview At Ironbelly, we are fundamentally changing how video games are made. Our AI team, led by industry luminaries and veterans, is building GameFrame AI—a platform that allows developers to create complex, professional games using natural language. We are the creators of a battle-tested gamep ...

Ruby Software Engineer for Real Time Gaming

Join a forward-thinking team as a Ruby Software Engineer focused on real-time gaming solutions. Assist in designing scalable backend systems that enhance player experiences through innovative technology.In this senior role, you'll play a key part in shaping a high-growth product's architecture while working ...

Software Engineer for AI and Data Science

Become a pivotal part of the semiconductor revolution as a Software Engineer specializing in AI/ML. Analyze and develop applications that lead to groundbreaking efficiency improvements.In this role, you will create applications that analyze operational data, focusing on AI/ML techniques. Your chance to work ...

Senior Software Development Engineer in Test Vancouver

Senior Software Development Engineer in Test Tigera provides Calico, a unified network security and observability platform to prevent, detect and mitigate security breaches in Kubernetes clusters. Tigera’s open-source offering, Calico Open Source, is the most widely adopted container networking a ...

AI Focused Software Engineer for Tax Prep

Join as a Senior Software Engineer to reshape tax preparation with AI technology. Take ownership of architectural design and be integral to user experience across platforms.You'll play a crucial role in developing a pioneering AI-driven tax platform. Your work will involve leading the design and implementati ...

Full Stack Software Engineer for Renewable Energy

Become a Full-Stack Software Engineer helping transform energy management applications. Join a collaborative team where you can use React, TypeScript, and Python to create seamless user interfaces.This senior role emphasizes building applications that support the shift towards sustainable energy. You will pa ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at affirm, the other team being ML Training & Serving ...

Software Engineer II, Machine Learning (Feature Platform)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. ML Feature Platform is one of the two teams that compose the ML Platform at Affirm, the other team being ML Training & ...

Senior .NET Software Engineer E commerce Platform

A leading multinational auction company in Burnaby is seeking a Software Engineer to develop and maintain their e-commerce platform. The role requires at least five years of experience in .NET development, a solid understanding of Agile methodologies, and the ability to work in a collaborative environment. Compe ...

🚀 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 Software Engineer Pythonreact Jobs in Canada Job Search Guide, Trends and Insights