• Canada Jobs Expertini profile avatar

    • 601,424+ 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
    Explore Leading Employers
    High-Paying Careers
    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.

    1. Expertini
    2. Canada
    3. Jobs
    4. Lead Software Engineer Pythonreact Jobs in Canada

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Lead L3 Support Engineer Imaging

    Job Summary Lead L3 Support Engineer – Imaging. Provide advanced technical leadership for the Cloud PACS application Merge Universal Viewer. Responsible for investigation and resolution of the most complex production and customer issues, leading sustaining development initiatives, and delivering ...

    Lead Structural Engineer Bridges & Infrastructure

    A government transportation agency in Toronto seeks a Lead Engineer, Structural to oversee engineering projects and ensure safety on transportation corridors. The ideal candidate will lead teams in structural design and project delivery, requiring a Professional Engineer license with expertise in bridge and tran ...

    Lead Process Engineer – Water & Wastewater

    GEI Consultants Canada is seeking a Process Engineer to support the growth of our Civil Practice. This role combines technical leadership in water and wastewater facility design with project management responsibilities, including client engagement and delivery oversight. You’ll work on impactful projects, ...

    Principal / Lead Structural Engineer, Nuclear

    Principal / Lead Structural Engineer, Nuclear Join to apply for the Principal / Lead Structural Engineer, Nuclear role at Worley. Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value ove ...

    Lead Systems Engineer, Launch Program

    Role Purpose The Lead Systems Engineer owns cross‑functional planning and execution for the launch program at a systems engineering level, ensuring work meets the company’s technical requirements, risk posture, and overall business objectives. The role focuses on coordination of system requirement ...

    Senior Engineer (Project Electrical Lead)

    Senior Engineer (Project Electrical Lead) Canada About Us About you: Join us. Unleash your energy within. If you have world-class ambitions to reach the stars while keeping your feet on the ground, we’re the team for you. We've created a new breed of company – f ...

    Lead Design Engineer – Emission Solutions

    A leading emission control solutions provider in Mississauga is looking for an experienced Mechanical Engineer to lead design projects for exhaust control products. The ideal candidate will have a BSc or MSc in Mechanical Engineering, with at least 5 years of experience in design and manufacturing environments. ...

    Lead Engineer, Machine Learning Applications

    At Sanofi, we’re committed to providing the next-gen healthcare that patients and customers need. It’s about harnessing data insights and leveraging AI responsibly to search deeper and solve sooner than ever before. Join our Data Engineering Management as Lead Engineer, Machine Learning Applications and yo ...

    Lead Geotechnical Engineer – Deep Foundations

    A leading engineering firm in Vancouver is seeking a Principal Geotechnical Engineer specializing in Deep Foundations. In this role, you will lead and deliver innovative geotechnical solutions while managing key projects. Ideal candidates will have over 15 years of experience, a degree in Civil or Geological Eng ...

    Lead DevOps Engineer (ML Platform)

    Job Description What's the opportunity? We’re looking for an experienced Lead DevOps Engineer (ML Platform) who will bring focus and subject-matter expertise around designing and implementing machine learning infrastructure and automation tools (MLOps and De ...

    Lead Geotechnical Engineer for Dams

    Join WSP in Québec as the Lead Geotechnical Engineer for Hydropower, contributing to vital infrastructure projects across Canada. Your engineering expertise will shape future sustainability through innovative designs.This senior role involves overseeing the design and safety evaluations of retaining structur ...

    Lead HVAC Engineer at Englobe

    Step into the role of Lead HVAC Engineer at Englobe, where you'll lead mechanical projects that make a lasting impact on communities. This hybrid position offers a chance to embrace innovation while driving project success.Englobe is searching for a Lead HVAC Engineer with robust mechanical design expertise ...

    Mechanical Engineer: Design & Prototyping Lead

    Shape the future of medical technology as a Mechanical Engineer focused on design and prototyping. Work in a hybrid setup, driving the development of innovative devices for atrial fibrillation.In this highly impactful role, you will contribute to the design and manufacturing processes of medical devices, ens ...

    Lead HVAC Product Design Engineer

    Enhance HVAC technologies as a Lead Heat Pump Design Engineer specializing in ductless and central systems. This role focuses on innovation for energy efficiency and comfort.As a key member of the engineering department, you'll lead product development projects and offer technical insights. Your collaboratio ...

    Lead Systems Engineer – Avionics Expertise

    Join a pioneering team at the forefront of avionics for hybrid eVTOL aircraft as a Senior Systems Engineer in Lindsay, Ontario. This role blends telework flexibility with high-stakes engineering tasks.We are in search of an expert with at least 7 years in avionics or systems engineering in fast-paced aerospa ...

    Lead Product Design Engineer Position

    Elevate your career as a Lead Product Design Engineer focused on cutting-edge industrial pump development. Exhibit your ability to manage full project lifecycles while mentoring upcoming engineers.In this significant role, you will undertake the responsibility of designing and developing new products that me ...

    Lead Systems Engineer – Avionics Expertise

    Join a pioneering team at the forefront of avionics for hybrid eVTOL aircraft as a Senior Systems Engineer in Lindsay, Ontario. This role blends telework flexibility with high-stakes engineering tasks.We are in search of an expert with at least 7 years in avionics or systems engineering in fast-paced aerospa ...

    Lead Systems Engineer – Avionics Expertise

    Join a pioneering team at the forefront of avionics for hybrid eVTOL aircraft as a Senior Systems Engineer in Lindsay, Ontario. This role blends telework flexibility with high-stakes engineering tasks.We are in search of an expert with at least 7 years in avionics or systems engineering in fast-paced aerospa ...

    Lead Mechanical Engineer, Mining/Resources

    Job Description What if you could redefine what’s possible? With us, you can. You want Purpose. Growth. Opportunity. People who get it. We are the home of ambitious, passionate, and innovative world shapers. With an unmatched breadth and depth of engineering, advisory and science‑based expertise, ...

    Lead Quality Engineer at Synechron

    Join Synechron as a Lead Quality Engineer to spearhead QA initiatives while mentoring a skilled team. This hands-on role blends leadership with active testing responsibilities.We are on the lookout for a seasoned QA Lead with over eight years of software testing experience. Your expertise in Python and test ...

    Lead Data Engineer with Databricks

    Enhance your career as a Lead Data Engineer focusing on Databricks migration projects. Utilize your extensive data engineering skills to lead the transition from Glue and Redshift to Databricks.We are looking for a dedicated Lead Data Engineer with over 10 years of experience in data engineering roles. This ...

    Lead Geotechnical Engineer at AECOM

    Join AECOM as a Senior Geotechnical Engineer to lead innovative tailings dam design and contribute to projects across Canada. This role requires extensive technical expertise and compliance with regulatory standards in tailings management.As a Senior Geotechnical Engineer with AECOM, you will lead the techni ...

    Lead Embedded Firmware Engineer Contractor

    About Very Very is a fully distributed technology firm led by expert problem-solvers who create efficient, scalable solutions that move commercial, industrial, and consumer products from pilot to production in record time. We believe that real innovation happens in the grind — working sho ...

    Lead Sales Engineer at Feroot

    Elevate your career as a Lead Sales Engineer at Feroot in downtown Toronto. You'll provide pre-sales technical expertise and product demos to enhance client security.In this full-time role, you will collaborate with account executives to craft successful sales strategies. Your technical knowledge will assist ...

    Lead Instrumentation Engineer: Design & Leadership

    A specialized engineering firm in Calgary is seeking a Senior Instrumentation Technologist/Engineer to lead instrumentation activities for various projects. The ideal candidate will have over 10 years of experience and will provide mentorship to junior staff. They will develop design specifications, coordinate p ...

    Lead Process Engineer – Water & Wastewater

    Description GEI Consultants Canada is seeking a Process Engineer to support the growth of our Civil Practice. This role combines technical leadership in water and wastewater facility design with project management responsibilities, including client engagement and delivery oversight. You’ll work on impactful proj ...

    Water Building Mechanical Lead Engineer

    A leading engineering firm located in Ontario seeks a Team Lead - Building Mechanical Engineers specializing in HVAC and plumbing systems. This role involves managing a team, ensuring technical excellence in project delivery, and requires strong leadership and design skills. Ideal candidates will have a Bachelor ...

    ADMS Lead Engineer Systems & Integrations

    A leading engineering firm located in Toronto, Ontario is seeking an experienced ADMS Lead. The ideal candidate will have 10-15 years of experience in ADMS or OMS implementations, knowledge of major vendors, and strong problem-solving skills. Responsibilities include ensuring system integrity, collaborating with ...

    Lead Project Engineer — Infrastructure & Energy

    A leading engineering firm in Vancouver is seeking an experienced Project Engineer to manage engineering activities for large infrastructure and energy projects. The ideal candidate will have over 8 years of experience and a degree in Engineering, alongside strong leadership and communication skills. Responsibil ...

    Lead Substation Engineer 1 Grid

    Description This position will offer you the ability to directly apply your knowledge of protective relaying and controls systems for HV and EHV substations. As a Lead Substtion Engineer, you will:Lead of an engineering and design team, you will work on a wide range of substation modifications and upgr ...

    Lead Hardware Test Systems Engineer

    A leading global design company in Ottawa is seeking an experienced Hardware Test Systems Designer to create manufacturing test systems for electronic products. In this role, you'll design and implement comprehensive test strategies, ensuring quality and performance. The ideal candidate has over 10 years of expe ...

    Lead Electrical Engineer – Energy Projects

    A leading engineering company in Calgary is seeking an Electrical Engineer to lead projects in energy and sustainable cities. The ideal candidate will have 8-10 years of experience in energy projects in Canada and a deep understanding of project management. Responsibilities include mentoring junior staff and coo ...

    Lead Mechanical Engineer Buildings (Hybrid)

    A leading engineering firm is seeking a Principal Mechanical Engineer in Edmonton, responsible for leading a talented team to execute complex engineering projects. The role involves mentoring and coaching junior engineers while ensuring technical quality and efficiency. Candidates must have a Bachelor's degree a ...

    Senior Bridge Engineer & Project Lead

    A leading infrastructure company in Edmonton is seeking a Senior Bridge Lead to provide technical leadership for high-profile public structural engineering projects. The role involves designing and delivering bridges and overpasses as well as managing multidisciplinary teams. Candidates should have a Bachelor's ...

    Senior eVTOL Aerostructures Lead Engineer

    A leading aerospace company is seeking a Senior Design and Aerostructures Engineer to lead mechanical and structural development for eVTOL aircraft. This hybrid role requires over 5 years of aerospace structural systems experience, focusing on hands-on development from concept to production. You'll design critic ...

    Senior eVTOL Aerostructures Lead Engineer

    A pioneering aerospace engineering firm in Ontario is seeking a Senior Design and Aerostructures Engineer to lead the mechanical and structural development of cutting-edge eVTOL aircraft. This role offers significant opportunities for growth and collaboration in an innovative environment. Candidates must have ov ...

    Senior eVTOL Aerostructures Lead Engineer

    A leading engineering firm is seeking a Senior Design and Aerostructures Engineer in Lindsay, Ontario, to lead mechanical and structural development for innovative eVTOL aircraft. This role offers hands-on development experience from concept to certified production. Candidates should have over 5 years in aerospa ...

    Lead Backend Engineer, Global Platform

    Une entreprise de divertissement mondiale recherche un Développeur Lead expérimenté pour gérer une équipe et superviser le développement d'une plateforme générant des milliards de dollars. Le candidat idéal aura une forte expertise en développement backend, notamment en Java, et une expérience avérée en leadersh ...

    Senior Java Engineer & Team Lead

    About the project A fast-growing fintech company in the payment solution.Main responsibilitiesWrite clean, concise, modular code in an agile environmentMentor developersProvide code reviewsProvide input to the DevOps teamPart of the design and architect ...

    Team Lead SW Engineer Golang

    Position Overview We are looking for a highly skilled Back End Tech Lead to provide technical leadership and strategic guidance for our engineering team. In this role, you will be responsible for designing and developing scalable, secure, and highly available back-end systems while driving performance and collab ...

    Lead Engineer — Tailings & Mine Waste

    A leading consulting engineering firm in Val-d'Or is seeking a Principal Engineer for mine waste management. The role involves designing systems for tailings and water management, leading project teams, and maintaining client relationships. Applicants should have a bachelor's degree in relevant engineering field ...

    Installation & Commissioning Engineer — Lead Handover

    Join a forward-thinking company as an Installation and Commissioning Engineer, where you'll tackle technical challenges in high-speed automated packaging machinery. This role offers the chance to work hands-on with innovative technology while collaborating with project stakeholders to ensure seamless equipment f ...

    Cloud Solution Test Engineer Lead

    A leading IT staffing firm in Ottawa seeks a Solution Test Engineer to bridge development and testing for cloud solutions. This role involves creating comprehensive test plans, leading execution phases, and mentoring junior engineers. Candidates should have strong leadership, effective communication, and familia ...

    Principal / Lead Structural Engineer, Nuclear

    Principal / Lead Structural Engineer, Nuclear Join to apply for the Principal / Lead Structural Engineer, Nuclear role at Worley.Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of t ...

    Lead Engineer, Bridges (relocation provided)

    What if you could redefine what’s possible?What if you could redefine what’s possible? With us, you can. You wantPurpose. Growth. Opportunity.People who get it. We are the home of ambitious, passionate, and innovative world shapers. With an unmatched breadth and depth of engineering ...

    Lead Electrical Engineer Water & Wastewater

    Help us build the future, and we’ll help you build a rewarding and purposeful career. Our global network is made up of architects, designers, planners, engineers, and environmental scientists, all working towards the same goal.What we are looking for: Our Waterloo and/or GTA offices are looking for a L ...

    Senior Lead Airfield Electrical Engineer

    In the capacity of Senior Lead Airfield Electrical Engineer, you will interface directly with clients and stakeholders to effectively manage project deliverables, with a focus on quality and team collaboration. You will be primarily working with our airports practice but also supporting a number of our interconn ...

    Senior Electrical Engineer & Team Lead

    At Kepler Communications, we’re not just imagining the future of on‑demand space connectivity – we’re leading it!Kepler’s mission is to provide real‑time Internet access for space‑based assets, enabling a new era of data‑driven exploration and innovation. We operate the first commercial optical data re ...

    Lead Systems Engineer, Launch Program

    Role PurposeThe Lead Systems Engineer owns cross‑functional planning and execution for the launch program at a systems engineering level, ensuring work meets the company’s technical requirements, risk posture, and overall business objectives. The role focuses on coordination of system requirements, unb ...

    Lead QA Engineer Test Automation

    Talent Acquisition Associate @Integriti | Connecting leading experts with Fortune 500 clients Contract-to-Hire | Initial Duration: 3 to 6 MonthsAbout the Role We are seeking an experienced Lead QA Engineer (Test Automation) to join our Fortune 500 client’s Team in North York, Toronto. This hybrid, cont ...

    🚀 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 →

    💡 Tools that really enhance your application chances and career growth.

    Go to Your Dashboard →

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