142,681+ 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

Senior Front End Engineer – GenAI & UX Integration Contract

A leading software consulting firm is seeking a Software Engineer with a Front-End focus and GenAI integration experience in Toronto. The successful candidate will possess a minimum of 5 years in web application development, with expertise in REST APIs, Agile methodologies, and automated testing tools. This cont ...

Senior Backend Engineer: Automated Planning & Scheduling

A leading meal kit delivery service in Toronto is seeking a Senior Software Engineer to enhance their backend systems using Python and FastAPI. This role involves building the algorithmic engine for automated planning, supporting frontend applications, and contributing to an event-driven architecture. Candidates ...

Senior .NET/C# Engineer – Capital Markets Security

A leading global bank is looking for a Senior Software Engineer in Toronto, responsible for delivering solutions for Global Wholesale Operations. The ideal candidate has 5+ years experience in .NET and C# development, expertise in Microsoft SQL Server, and familiarity with Capital Markets Technology. This role e ...

Global Card Tech Architect & Transformation Leader

A major North American financial institution is seeking a Senior Distinguished Engineer in Toronto, Ontario. This role involves influencing technical direction, mentoring future engineering leaders, and driving improvements in software engineering practices. With a focus on leveraging cloud technologies and advo ...

Senior Java Engineer: AWS, Terraform, Python | Cloud

A leading technology firm in Toronto is seeking a Senior Software Engineer to build scalable cloud-based solutions using Java and AWS. The role requires strong hands-on experience in software development and architecture, along with excellent problem-solving and communication skills. Ideal candidates will have e ...

Senior Full Stack JS Engineer Hybrid Marketing Web Apps

A leading investment research company is seeking a Senior Software Engineer to join its team in Toronto. The role focuses on full-stack JavaScript development, particularly using Vue.js and Node.js. Candidates should have 3+ years of software development experience and a collaborative attitude. This position fol ...

Senior Front End Engineer – GenAI & UX Integration Contract

A leading software consulting firm is seeking a Software Engineer with a Front-End focus and GenAI integration experience in Toronto. The successful candidate will possess a minimum of 5 years in web application development, with expertise in REST APIs, Agile methodologies, and automated testing tools. This cont ...

Global Card Tech Architect & Transformation Leader

A major North American financial institution is seeking a Senior Distinguished Engineer in Toronto, Ontario. This role involves influencing technical direction, mentoring future engineering leaders, and driving improvements in software engineering practices. With a focus on leveraging cloud technologies and advo ...

Senior Java Engineer: AWS, Terraform, Python | Cloud

A leading technology firm in Toronto is seeking a Senior Software Engineer to build scalable cloud-based solutions using Java and AWS. The role requires strong hands-on experience in software development and architecture, along with excellent problem-solving and communication skills. Ideal candidates will have e ...

Remote Cloud Python Engineer for Ubuntu Images

A leading open-source software provider is seeking a Software Engineer to develop and improve Ubuntu on public clouds. Candidates should have extensive experience in Python and a strong background in Linux. The role involves quality engineering, collaboration with global teams, and developing tools for a diverse ...

Remote Cloud Python Engineer for Ubuntu Images

A leading open source provider is hiring a Software Engineer to develop, test, and release improvements to Ubuntu on public clouds. Candidates should possess extensive Python experience, a Computer Science degree, and be passionate about the Ubuntu project. The role involves working with teams across the globe, ...

Senior AI Research Engineer — Scalable ML Systems

A leading technology firm in Toronto is seeking a Senior Research Engineer to develop AI and ML-driven solutions. This role involves creating scalable data processing systems, engaging in the full software development lifecycle, and collaborating with interdisciplinary teams. The ideal candidate has a Bachelor's ...

Senior Backend Engineer, FinTech (Remote)

A payment technology leader is seeking a Senior Software Engineer to join their fully remote team. This role focuses primarily on backend development, maintaining and enhancing payment processing systems while collaborating with various teams. The ideal candidate should have over 5 years of software development ...

Customer Success Engineer

Tailscale is building the new Internet by delivering software that makes it easy to securely interconnect people and their devices, no matter where they are. From hobbyists to multinational corporations, teams of every size use Tailscale each day to protect their networks, share access to internal tools, a ...

Hybrid SME Commercial Team Lead — Grow & Lead in Toronto

A reputable insurance provider in Toronto is seeking a dynamic SME Commercial Team Lead. The role involves managing a book of commercial clients, mentoring team members, and negotiating valuable insurance programmes. Candidates should hold a RIBO licence and possess a minimum of three years in commercial insuran ...

Senior Principal Machine Learning Engineer, ML Platform and Systems Architecture

**Job Requisition ID #** 26WD94803 **Senior Principal Machine Learning Engineer, ML Platform and Systems Architecture** **Position Overview** The work we do at Autodesk touches nearly every person on the planet. By creating software tools for making buildings, machines, and ev ...

Snowflake focused Presales Engineer Role

Pursue an exciting career as a Snowflake-focused Presales Engineer, solving complex customer issues while collaborating closely with sales teams to close large deals. This role emphasizes customer engagement and strategic solution design.As a Presales Engineer, your responsibilities will include workin ...

FPGA Development Engineer Intern at Altera

Join Altera as an FPGA Development Engineer Intern, where you will drive innovations in programmable logic. Contribute to Quartus software enhancements for advancing FPGA technologies.This internship is ideal for graduate students pursuing Master’s or PhD in Electrical & Computer Engineering. You'll engage w ...

FPGA Development Engineer Intern at Altera

Join Altera as an FPGA Development Engineer Intern, where you will drive innovations in programmable logic. Contribute to Quartus software enhancements for advancing FPGA technologies.This internship is ideal for graduate students pursuing Master’s or PhD in Electrical & Computer Engineering. You'll engage w ...

QA Engineer Role with Automation Focus

Become a Senior QA Engineer at NetBrain, a leader in no-code network automation, with a hybrid schedule in Toronto, ON. Contribute to cutting-edge automation projects and enhance software quality.As part of NetBrain’s pioneering team, you will utilize your expertise in software testing to guide junior ...

DevOps Engineer Role at Canada Guaranty

Join Canada Guaranty as a Development Operations Engineer, focusing on CI/CD pipelines and application automation to improve software delivery security and reliability.This pivotal position requires at least two years of experience in software automation testing and CI/CD implementation. You'll work wi ...

Principal ML Engineer, Machine Learning Platform and Systems Architecture

**Job Requisition ID #** 26WD97132 **26WD97132,** **Pr** **incipal Machine Learning Engineer, ML Platform and Systems Architecture** _French translation to follow!/Traduction française à suivre!_ **Position Overview** The work we do at Autodesk touches nearly every ...

Technical Lead (Data Systems)

The Technical Lead - Data Systems will play a key leadership role at Stacktics Inc., bridging the gap between hands‑on technical delivery and strategic team leadership. Stacktics stands at the intersection of Cloud Computing, Data Analytics, and Digital Marketing. You will lead the design, implementation, and su ...

React Ui Developer

This range is provided by Synechron. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$100,000.00/yr - CA$110,000.00/yr Direct message the job poster from Synechron The Role Responsibil ...

React Ui Developer

This range is provided by Synechron. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$100,000.00/yr - CA$110,000.00/yr Direct message the job poster from Synechron The Role Responsibil ...

React Ui Developer

This range is provided by Synechron. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range CA$100,000.00/yr - CA$110,000.00/yrDirect message the job poster from SynechronThe Role Responsibilities:Develop, enhanc ...

React Ui Developer

This range is provided by Synechron. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$100,000.00/yr - CA$110,000.00/yr Direct message the job poster from Synechron The Role Responsibil ...

Principal, Software Engineering Contact Billing and Claims

About the Role We are seeking a highly experienced and technically proficient Principal Engineer to lead complex engineering efforts, guide architectural decisions across the portfolio, and drive innovation and delivery of scalable, reliable systems. This role combines deep technical expertise with strategic thi ...

Backend Engineer Data Intelligence Team

# Backend Engineer - Data Intelligence TeamAchieversFull TimemidToronto, Ontario, CAPosted 2 days ago## Resume Keywords to IncludeMake sure these keywords appear in your resume to improve ATS scoringPythonGoAPISign up free to auto-tailor your resume with all these keywords and get a higher ATS score## Job Descri ...

Solutions Engineer for Gatekeeper's AI Platform

Join Gatekeeper to empower compliance-driven organizations as a Solutions Engineer specializing in customer success. This fully remote role allows you to help clients leverage innovative AI features effectively.In this position, you will be entrusted to guide customers through their journey with Gatekeeper's ...

Help Desk Engineer L2 Remote

This is an opportunity to excel as a Remote Help Desk Engineer L2 at Blue Mantis, providing essential support and escalation assistance to clients. Your role will be key in problem-solving and improving client satisfaction.In the EUX Engineer L2 role, you will be responsible for timely issue resolution and c ...

Bridge Engineer at Arup Toronto

Elevate transportation projects as a Bridge Engineer with Arup in Toronto. This hybrid role involves exciting design work for bridges and civil structures across Canada.As a BCOS Engineer with Arup, you will engage in all project phases, including planning, design, and construction for various bridge and tra ...

Kubernetes Engineer (GCP/GKE) Role

Join Tata Consultancy Services as a GCP/GKE Engineer, focusing on cloud resource optimization in a diverse workplace. Ensure high-performance and efficiency in automated environments while making independent decisions.As a GCP/GKE Engineer at TCS, you will play a crucial role in enabling cloud resources to f ...

Senior Electrical Engineer for Capital Projects

Join a dynamic team as a Senior Electrical Engineer focused on industrial and commercial electrical systems design. This full-time role provides opportunities in innovative design and compliance on client sites.We are seeking a highly experienced Senior Electrical Engineer with a recognized degree and a Prof ...

Cloud Developer

Job Title: Cloud Engineer – Azure or AWS Location: Toronto, ON (once or twice a month onsite)Duration: 6+ Months (Possible Extension)Position Overview Client is seeking an experienced Cloud Engineer (Azure/AWS) to join their cloud engineering team. The ideal candidate will have strong hands‑o ...

Solutions Engineer for Gatekeeper's AI Platform

Join Gatekeeper to empower compliance-driven organizations as a Solutions Engineer specializing in customer success. This fully remote role allows you to help clients leverage innovative AI features effectively.In this position, you will be entrusted to guide customers through their journey with Gatekeeper's ...

Senior Manager Collections Strategies

Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. Working within GRM, you will lead a team responsible for producing data driven analyses resulting in actionable insights that improve the Bank's loan losses & profitability.Is this role right for you? ...

Autodesk Remote Machine Learning Engineer

Advance your career at Autodesk as a Machine Learning Engineer, specializing in systems and infrastructure. Work remotely to build scalable ML pipelines and optimization frameworks for AI technologies.You will focus on engineering-first solutions for ML systems, partnering with software engineers and AI rese ...

Autodesk Remote Machine Learning Engineer

Advance your career at Autodesk as a Machine Learning Engineer, specializing in systems and infrastructure. Work remotely to build scalable ML pipelines and optimization frameworks for AI technologies.You will focus on engineering-first solutions for ML systems, partnering with software engineers and A ...

Autodesk Remote Machine Learning Engineer

Advance your career at Autodesk as a Machine Learning Engineer, specializing in systems and infrastructure. Work remotely to build scalable ML pipelines and optimization frameworks for AI technologies.You will focus on engineering-first solutions for ML systems, partnering with software engineers and AI rese ...

Senior Identity Threat Protection Engineer

A leading identity management company is seeking a Senior Software Engineer to enhance their Identity Threat Protection team in Toronto, Canada. The role involves designing and developing cloud-native security products while collaborating with cross-functional teams. Candidates should have over three years of ex ...

Staff AI Engineer: Enterprise AI & MLOps Leader

A leading global information services company in Toronto is seeking a Staff Software Engineer (AI) to join their Forward Engineering team. The role involves architecting and implementing enterprise-scale AI solutions, requiring 8+ years of software engineering experience and mastery of AI/ML frameworks like Pyth ...

Senior Backend Engineer Remote, Scalable Systems

A technology company is seeking a Senior Backend Software Engineer to develop scalable software and play a key role in backend services. This position offers a chance to innovate and mentor others in a flexible work environment that adjusts to your needs. Required qualifications include substantial experience in ...

Senior Full Stack Engineer: Cloud & Real Time Systems

A leading sports technology company in Ontario seeks a Senior Full Stack Software Engineer to enhance their innovative baseball training technology. The role involves working with a React & Node TypeScript stack, ensuring platform stability and scalability, and solving complex problems. Responsibilities include ...

Principal ML Engineer, Evaluation for CAD/BIM (Remote)

A leading software company is seeking a Principal Machine Learning Engineer based in Toronto or Vancouver. This role involves evaluating ML models for CAD and BIM, working closely with various teams to ensure high standards of quality and reliability. Candidates should have at least 4 years of experience in ML e ...

Senior Identity Threat Protection Engineer

A leading identity management company is seeking a Senior Software Engineer to enhance their Identity Threat Protection team in Toronto, Canada. The role involves designing and developing cloud-native security products while collaborating with cross-functional teams. Candidates should have over three years of ex ...

Senior Backend Engineer Remote, Scalable Systems

A technology company is seeking a Senior Backend Software Engineer to develop scalable software and play a key role in backend services. This position offers a chance to innovate and mentor others in a flexible work environment that adjusts to your needs. Required qualifications include substantial experience in ...

Principal ML Engineer, Evaluation for CAD/BIM (Remote)

A leading software company is seeking a Principal Machine Learning Engineer based in Toronto or Vancouver. This role involves evaluating ML models for CAD and BIM, working closely with various teams to ensure high standards of quality and reliability. Candidates should have at least 4 years of experience in ML e ...

Senior Identity Threat Protection Engineer

A leading identity management company is seeking a Senior Software Engineer to enhance their Identity Threat Protection team in Toronto, Canada. The role involves designing and developing cloud-native security products while collaborating with cross-functional teams. Candidates should have over three years of ex ...

AI Agent Engineer: LLMs, RAG & Prompt Mastery

A technology company in Toronto is seeking an experienced software engineer to develop next-gen AI tools that enhance critical thinking. The ideal candidate will fine-tune language models and optimize prompts while collaborating with product and design teams. They should have strong Python experience and a passi ...

🚀 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