163,051+ Lead Software Engineer Pythonreact 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

MEAN Stack Senior Engineer Role

Elevate your career with SRED.io as a Senior Software Engineer focused on the MEAN Stack. Help Canadian businesses streamline their SR&ED claims through an innovative AI-backed platform.We are actively searching for experienced Senior Software Engineers to join our dynamic, product-centric team. With a ...

Senior Quality Assurance Engineer Future Secure AI

Join Future Secure AI as a Senior Quality Assurance Engineer, where you'll shape testing processes for cutting-edge AI products. Your expertise in manual and automated testing will ensure excellence.Future Secure AI is hiring Senior Quality Assurance Engineers to safeguard the quality of our innovative ...

Full Stack Engineer for AI Innovation

Transform resident maintenance with SuiteSpot as a Full Stack Engineer dedicated to AI innovations. Utilize your expertise to enhance features and improve system performance.Join SuiteSpot to develop SAM, our AI agent capable of handling diverse resident requests. With over five years of engineering experien ...

Java Engineer in Hybrid Format

Pursue your passion for Java development at Priceline as a Hybrid Java Engineer. This role emphasizes crafting robust back-end systems that enhance user experiences for millions of searches each day.With at least 4 years of software engineering experience, you will be integral to an agile team that pri ...

Full Stack Engineer for AI Innovation

Transform resident maintenance with SuiteSpot as a Full Stack Engineer dedicated to AI innovations. Utilize your expertise to enhance features and improve system performance.Join SuiteSpot to develop SAM, our AI agent capable of handling diverse resident requests. With over five years of engineering ex ...

Senior Java Engineer for Cloud Systems

Drive backend solutions as a Senior Software Engineer IV with a focus on Java or Go in a hybrid environment based in Toronto, Canada. Contribute to scalable, event-driven systems and utilize AWS resources effectively.This role is tailored for seasoned engineers with 7–10 years of experience in backend ...

Senior Engineer for Issue Workflow at Sentry

Join Sentry as a Senior Engineer in the Issue Workflow team, where your work directly influences the developer community. This role merges backend challenges with product-driven solutions in a hybrid work model.As a key member of the Issue Workflow team, you will architect systems that convert billions ...

Junior ML Kernel Engineer at Amazon

Join AWS as a Junior Machine Learning Kernel Engineer based in Toronto, Ontario. Specialize in creating high-performance kernels for proprietary ML accelerators like Inferentia and Trainium.Become a part of Annapurna Labs at Amazon Web Services, where your work will directly impact deep learning and generati ...

Senior Engineer for Authentication Solutions at Okta

Become a pivotal part of the Authentication Experience team at Okta as a Senior Engineer. Focus on developing superior identity solutions that blend usability with robust security.This role targets experienced engineers skilled in full-stack development and identity security protocols. You will contribute to ...

Senior Integration Engineer Specializing in Control Systems

Join as a Senior Integration Engineer in the realm of Supervision Control Systems. Your insights will drive the integration processes for cutting-edge transport technologies in a nurturing team atmosphere.You will tackle the technical challenges of the SCC System, engaging with subsystems like SCADA, while f ...

Cutting Edge Integration Engineer for Supervision Control Centers

Take on a dynamic role as an Integration Engineer within supervision control systems. Bring your technical expertise and problem-solving abilities to enhance transport technology solutions.In this position, you will leverage your engineering background to ensure seamless integration of software systems and m ...

Senior Engineer in Signal Processing Algorithms

Join Waabi's innovative team as a Senior Software Engineer specializing in High-Performance Onboard Algorithms for autonomous driving systems. Shape the future of transportation technology.As a key member of Waabi, you will design and optimize algorithms that ensure real-time performance for sensor data proc ...

Bilingual Technical Support Engineer ATOM

Elevate your technical career as a Bilingual Technical Support Engineer at ATOM. Leverage your expertise in application support and cloud platforms while providing exceptional customer service in Portuguese, English, and Spanish.This is an exciting opportunity for someone with a strong background in software ...

Senior UI Engineer at Sledgehammer Games

Bring your experience to Sledgehammer Games as a Senior UI Engineer in Toronto. Focus on developing and optimizing UI for AAA games while collaborating globally with teams.In this role, you'll be a key player in creating exceptional user interfaces. You need strong skills in C/C++, data structures, and LUA s ...

NVIDIA Senior Engineer AI Inference Solutions

Drive innovation at NVIDIA as a Senior Software Engineer in AI inference. Collaborate directly with customers to optimize LLM serving and performance scalability.This impactful role involves partnering closely with engineering teams at NVIDIA to refine large-scale LLM serving solutions. Engage in both profil ...

MEAN Stack Senior Engineer Role

Elevate your career with SRED.io as a Senior Software Engineer focused on the MEAN Stack. Help Canadian businesses streamline their SR&ED claims through an innovative AI-backed platform.We are actively searching for experienced Senior Software Engineers to join our dynamic, product-centric team. With at leas ...

MEAN Stack Senior Engineer Role

Elevate your career with SRED.io as a Senior Software Engineer focused on the MEAN Stack. Help Canadian businesses streamline their SR&ED claims through an innovative AI-backed platform.We are actively searching for experienced Senior Software Engineers to join our dynamic, product-centric team. With at leas ...

Senior OCS Engineer

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, tog ...

Solutions Engineer (Remote Toronto)

Your role at Dynatrace As a Dynatrace Solution Engineer, you will be a key member of the Dynatrace sales engine and will be responsible for providing excellent technical support to the sales team. You will be the expert on Dynatrace and all facets of Advanced Observability. In this role you ...

Sr. Machine Learning Engineer, ML Models

Sr. Machine Learning Engineer, ML Models Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compile ...

Cloud Systems and AI Engineer

Cloud Systems and AI Engineer (51655CN) Toronto, Canada Salary: CAD90000 - CAD per annum Job Purpose The Cloud and AI Engineer will be responsible for architecting, developing, and deploying AI-powered solutions and cloud integrations across the business. The successful candida ...

Cloud Systems and AI Engineer

Cloud Systems and AI Engineer (51655CN) Toronto, Canada Salary: CAD90000 - CAD per annumJob Purpose The Cloud and AI Engineer will be responsible for architecting, developing, and deploying AI-powered solutions and cloud integrations across the business. The successful candidate will bring deep hands‑ ...

AI Product Security Manager

New Position: This position is open due to an existing vacancy to support our evolving business needs. Are you excited by the opportunity to secure products used by millions of professionals around the world? Join Thomson Reuters as a Manager, Product Security, where you will lead a senior team building th ...

AI Product Security Manager

New Position: This position is open due to an existing vacancy to support our evolving business needs. Are you excited by the opportunity to secure products used by millions of professionals around the world? Join Thomson Reuters as a Manager, Product Security, where you will lead a senior team building th ...

Staff Hardware Engineer

Job Overviewecobee is a leading connected‑home company that builds smart Wi‑Fi thermostats and related technologies to improve comfort, efficiency, and peace of mind in homes and businesses. As a Staff Hardware Engineer, you will lead the development of new electrical products and systems from concept ...

Senior Manager, Client Operations & Support

Senior Manager, Client Operations & Support Reports To: Chief Operating Officer (COO) Stakeholders: Berkeley Executives, Technology & Product Team, Revenue Team, Finance Team, Client Success Team Location: Toronto (Remote) The Role Berkeley ...

Senior Machine Learning Engineer

Location: Toronto, ON, CADate Posted: Apr 29, 2026Join our fast‑growing Toronto innovation hub, where we’re building production‑grade AI to reshape global credit decisions. Here, you won’t just ship features—you’ll help reinvent an industry using decades‑deep proprietary data and a modern tec ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert: Requisition ID: 49271 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Jan 13, 2026 Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert:Requisition ID: 49271Business Unit: Fitch GroupCategory: Information TechnologyLocation: Toronto, ON, CADate Posted: Jan 13, 2026Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

Senior Machine Learning Engineer

Location: Toronto, ON, CA Date Posted: Apr 29, 2026 Join our fast‑growing Toronto innovation hub, where we’re building production‑grade AI to reshape global credit decisions. Here, you won’t just ship features—you’ll help reinvent an industry using decades‑deep proprietary data and a modern ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert: Requisition ID: 49271 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Jan 13, 2026 Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert: Requisition ID: 49271 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Jan 13, 2026 Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

Senior Machine Learning and AI Engineer

Job Requisition ID # 26WD96898 Position Overview Autodesk is looking for a Senior Machine Learning & AI Engineer to help build the foundation of intelligence-driven user management and access systems within our Admin Access & Insights organization. This is a greenfield, high-impact role where you will define and ...

Staff Platform Engineer AI Infrastructure

About the Role As a Staff Platform Engineer - AI Infrastructure, you will build and scale the infrastructure behind Paytm's AI inference platform, serving internal teams and enterprise customers and supporting new customer use cases from the ground up. You will own GPU infrastructure, model ...

GTM Engineer CANADA

Modern software runs on open source — and managing the compliance, security, and regulatory complexity that comes with it is one of the biggest problems facing engineering and legal teams today. FOSSA is the platform they use to address these challenges. We help thousands of organizations automate license ...

GTM Engineer CANADA

Modern software runs on open source — and managing the compliance, security, and regulatory complexity that comes with it is one of the biggest problems facing engineering and legal teams today. FOSSA is the platform they use to address these challenges. We help thousands of organizations automate license ...

Senior Electrical Engineer, Transportation Buildings

Senior Electrical Engineer, Transportation Buildings Thornhill, ON, CanadaJob Description Lead the systems that power Canada’s most complex transportation and building environments.WSP’sProperty & Buildings – M&E Transportationteam is growing, and this role plays a key par ...

Senior Electrical Engineer, Transportation Buildings

Senior Electrical Engineer, Transportation Buildings Thornhill, ON, Canada Job Description Lead the systems that power Canada’s most complex transportation and building environments. WSP’s Property & Buildings – M&E Transportation team is growing, and thi ...

Senior Signaling Engineer, Rail and Transit

Senior Signaling Engineer As a Senior Signaling Engineer, you will be a key technical leader within WSP’s Rail & Transit team, helping shape safe, reliable, and innovative rail systems across Canada. Reporting to the Manager, Rail Systems Engineering, you will collaborate with Chief Engineers, tec ...

Senior Back End Engineer (C#.Net, Azure) Toronto, ON

About the job Senior Back End Engineer (C#.Net, Azure) - Toronto, ON , ON (Fully Remote) 1-year contract with the possibility of extension Design and develop elegant back-end cloud solutions which are end-to-end: technical analysis, data implementation/architectu ...

Senior Java Developer (with Python, AWS and Terraform)

Why Join Us This is an exciting opportunity to work on high-impact systems in a collaborative and innovative environment. You will contribute to building scalable cloud-based solutions using Java and AWS, while working alongside experienced engineers and domain experts. We a ...

Senior Java Developer (with Python, AWS and Terraform)

Why Join Us This is an exciting opportunity to work on high-impact systems in a collaborative and innovative environment. You will contribute to building scalable cloud-based solutions using Java and AWS, while working alongside experienced engineers and domain experts. < ...

Back End Engineer (C#.Net, Azure) Toronto, ON

About the job Back End Engineer (C#.Net, Azure) - Toronto, ON Toronto, ON (fully remote) Fully Remote 1-year (with the possibility of extension) Design and develop elegant back-end cloud solutions which are end-to-end: technical analysis, ...

Senior Back End Engineer (C#.Net, Azure) Toronto, ON

About the job Senior Back End Engineer (C#.Net, Azure) - Toronto, ON , ON (Fully Remote) 1-year contract with the possibility of extension Design and develop elegant back-end cloud solutions which are end-to-end: technical analysis, data implementation/architectu ...

Full Stack Web Developer

Direct message the job poster from Optimize Financial GroupAbout Optimize Wealth Management: Optimize Wealth Management is a premier portfolio management firm that believes technology can make financial management simpler, more transparent, and more cost-effective. We are looking for a skilled Develope ...

Senior Back End Engineer (C#.Net, Azure) Toronto, ON

About the job Senior Back End Engineer (C#.Net, Azure) - Toronto, ON , ON (Fully Remote) 1-year contract with the possibility of extension Design and develop elegant back-end cloud solutions which are end-to-end: technical analysis, data implementation/architectu ...

Senior Support Engineer For Cloud Analytics Toronto

Enhance data support for clients as a Senior Support Engineer in Cloud Analytics. This role demands expertise in Data Warehousing, Cloud technologies, and complex analytical operations. As a pivotal member of our team, you will ensure high availability of client data and maintain core legacy applica ...

Senior Electrical Engineer

**Company Description****Work with Us. Change the World.**At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure co ...

🚀 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 Toronto Job Search Guide, Trends and Insights