655,659+ 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

Mid Level Environmental Engineer/Scientist: Remediation & Field Lead

A prestigious engineering firm in Calgary is seeking an Intermediate Environmental Engineer or Scientist to work on diverse environmental projects. Responsibilities include developing scopes for environmental assessments, coordinating with subcontractors, and preparing regulatory-compliant reports. Ideal candida ...

Lead Graphics IP Validation Engineer – Onsite in Markham

A leading technology firm in Markham, Ontario is seeking a Graphics IP Validation Engineer for a 12-month temporary assignment. The role focuses on systems design, validation, and silicon bring-up in a cutting-edge development environment. Candidates should possess a strong understanding of SOC architecture and ...

Lead Electrical Engineer Driving Advanced Energy Storage Innovations

Shape the future of energy as a Lead Electrical Engineer, developing pioneering Battery Energy Storage Systems. Lead a growing team of engineers and drive projects that enhance sustainability and efficiency in the energy sector.This critical role focuses on overseeing the team responsible for designing high- ...

Hospital 4th Class Power Engineer BAS & HVAC Lead

A leading facilities management company in the North Slave Region is seeking a 4th Class Power Engineer to oversee the operation and maintenance of essential building systems, including HVAC and fire alarm systems. This role requires a strong background in similar positions, ideally within healthcare settings, a ...

Lead Customer Project Support Engineer(Protection/Panel Design)

Lead Customer Project Support Engineer (Protection/Panel Design) In just three decades, ALTEN has become a global leader in Research & Development, Engineering, IT Services, Life Sciences, and Network Services. With a presence in more than 30 countries and a team of over 60,000 employees, we are ...

Senior GenAI Full Stack Engineer — Agentic AI Lead

A global financial services leader is looking for a Senior Full Stack Agentic AI Developer in Montreal. This role involves designing and implementing scalable solutions using Python and GenAI technologies. The ideal candidate will have over 7 years of development experience, with proven skills in databases and t ...

Senior Physical Design Engineer: Lead Next Gen Tapeouts

A leading technology firm in Toronto is seeking a skilled engineer for physical design roles. The ideal candidate will lead next-generation PHY IP design and collaborate closely with the RTL and Analog teams. Responsibilities include physical design implementation and ensuring successful design tapeouts. Candida ...

Senior Instrumentation Engineer: Lead I&C for Projects

A global professional services company in Canada seeks a Senior Instrumentation Engineer to deliver high-quality instrumentation and control engineering services. The successful candidate will lead I&C engineering activities across projects, ensuring compliance with quality standards and deadlines. Responsibilit ...

Senior Electrical Engineer – T&D & Battery Storage Lead

A global engineering and consultancy company is seeking a Senior Electrical Engineer in Toronto. The role involves developing and managing Transmission and Distribution systems including battery energy storage solutions. Candidates should possess a Bachelor's degree in Electrical Engineering, 10+ years of releva ...

Backend Engineer & SRE Lead: Scale Secure AI Backend

A tech company focused on creating safe platforms for Gen Alpha is looking for a Backend Engineer / SRE to maintain and scale backend systems. You'll work with AI and ML pipelines, handle database performance, and ensure high reliability. Ideal candidates have AWS experience and are proactive in optimizing infra ...

Nuclear I&C/Electrical Engineer – Lead Systems Design

A engineering services company in Toronto is seeking a skilled Electrical and Instrumentation & Controls Engineer with hands-on CANDU nuclear systems experience. Key responsibilities include leading system design and support, developing engineering documentation, and ensuring nuclear safety compliance. Candidate ...

Senior Fire Protection Engineer Lead Fire System Design

A leading engineering firm is seeking a Senior Fire Protection Engineer in Calgary, Alberta. This role involves leading the design and delivery of fire protection systems for various projects, mentoring junior staff, and ensuring code compliance. Candidates should have a Bachelor's degree in a related field and ...

Lead Project Engineer – NPI & Cross Functional (9/80)

A leading defense technology firm located in Hamilton, Ontario is seeking a Specialist, Project Engineer to lead product launches by managing engineering activities across diverse teams. The ideal candidate will have a Bachelor's degree with at least 4 years of relevant experience and possess strong project mana ...

Mining Mechanical Project Engineer Field Lead (14/14)

A leading industrial project management firm is looking for a Mechanical Project Engineer for a mining project in Ontario. The role involves managing projects related to rotating and piping equipment, performing mechanical engineering activities, and coordinating with various teams. Candidates should have a Bach ...

Mining Mechanical Project Engineer Field Lead (14/14)

A leading engineering firm is seeking a Mechanical Project Engineer for a mining project in Ontario. The candidate will manage projects involving rotating and piping equipment, perform engineering activities, create specifications, and collaborate with multidisciplinary teams. Required qualifications include a B ...

Senior AI Data Engineer Healthcare Data Platform Lead

A healthcare technology company in Montreal is seeking a skilled Data Engineer to architect a robust data backbone for their AI platform. In this role, you'll curate healthcare data lakes, establish AI-native workflows, and integrate advanced NLP techniques. The ideal candidate has over three years of experience ...

Lead Piping Design Engineer in Energy Sector Projects

Join a dynamic team as a Senior Piping Engineer, specializing in innovative facility designs. Lead the development of safe and efficient piping systems while mentoring junior engineers in a collaborative setting.In this pivotal role, you will demonstrate your technical expertise by guiding project execution ...

Lead Mechanical Engineer for Advanced Power Generation Projects

Elevate your career as a Senior Mechanical Engineer specializing in power generation. Drive innovation and lead design efforts in a forward-thinking energy team committed to sustainability.With over 15 years of mechanical engineering design experience, you will lead complex projects within the power generati ...

Senior Mechanical Engineer, Power Gen – Lead Energy Projects

A leading engineering firm is seeking a Senior Mechanical Engineer to join the Energy team in Vancouver. This position focuses on power generation projects, requiring 15+ years of design experience and a Bachelor in Mechanical Engineering. Ideal candidates will lead complex engineering tasks and mentor others wh ...

Lead Mechanical Engineer for Advanced Power Generation Projects

Elevate your career as a Senior Mechanical Engineer specializing in power generation. Drive innovation and lead design efforts in a forward-thinking energy team committed to sustainability.With over 15 years of mechanical engineering design experience, you will lead complex projects within the power generati ...

Lead Mechanical Engineer for Advanced Power Generation Projects

Elevate your career as a Senior Mechanical Engineer specializing in power generation. Drive innovation and lead design efforts in a forward-thinking energy team committed to sustainability.With over 15 years of mechanical engineering design experience, you will lead complex projects within the power generati ...

Senior Mechanical Engineer, Power Gen – Lead Energy Projects

A leading engineering firm in Canada is looking for a Senior Mechanical Engineer to join its Energy team. This role focuses on power generation projects and requires a Bachelor's in Mechanical Engineering, along with over 15 years of relevant design experience. You will lead complex engineering designs and colla ...

Senior Mechanical Engineer, Power Gen – Lead Energy Projects

A leading engineering firm is seeking a Senior Mechanical Engineer in Calgary, Alberta, to lead projects within the Energy sector. The role involves designing mechanical systems for Power Generation and addressing energy transition challenges. Candidates should have over 15 years of experience and a Bachelor's d ...

Lead Mechanical Engineer for Advanced Power Generation Projects

Elevate your career as a Senior Mechanical Engineer specializing in power generation. Drive innovation and lead design efforts in a forward-thinking energy team committed to sustainability.With over 15 years of mechanical engineering design experience, you will lead complex projects within the power generati ...

Lead EHV Transmission Line Engineer (500kV/765kV) Hybrid

A leading engineering firm is seeking an experienced individual to manage and lead engineering teams executing EHV transmission line projects. This role involves coordinating multidisciplinary teams, ensuring compliance with engineering standards, and providing expert support on high voltage transmission line de ...

Hybrid Transmission Line Engineer PLS CADD & Design Lead

A leading engineering consulting firm is seeking a Transmission Line Engineer in Fredericton, New Brunswick. This role involves preparing engineering deliverables and supporting construction teams while promoting a collaborative and dynamic team environment. Candidates must be Professional Engineers with at leas ...

Senior Front End Engineer (Svelte, Tailwind) — Lead UI

An innovative SaaS startup in Vancouver is seeking a highly skilled Senior Front-End Software Developer to design and implement exceptional user interfaces for their products. This role involves collaborating with teams to deliver innovative functionality while supporting the growth of junior developers. The ide ...

Senior iOS Engineer Lead Seller Apps & GraphQL Platform

A global ecommerce leader is seeking a highly skilled Sr. iOS Engineer in Toronto. You will design and develop scalable iOS applications that empower sellers while collaborating with multi-functional teams. The ideal candidate will have 10+ years of iOS development experience, proficiency in Swift and Objective- ...

Satellite C&DH Systems Engineer: Onboard Computing Lead

A leading space technology company located in Canada is looking for a Satellite C&DH System Engineer. In this role, you will design and support critical on-board command and control systems. The ideal candidate will possess over 5 years of experience in C&DH engineering, along with technical expertise in spacecr ...

Senior Substation Engineer HV Design Lead (Flexible Work)

ENTRUST Solutions Group seeks a Sr. Substation Engineer to join its Calgary office. The role involves preparing engineering designs and specifications for high voltage substations, offering mentorship and managing engineering projects. Ideal candidates will have extensive experience in the utility industry and a ...

Lead Electrical Engineer Managing Design and Team Development

Join a dynamic team as a Lead Electrical Engineer, overseeing project designs and nurturing team growth. Ideal for professionals with design prowess looking to make significant contributions in a collaborative firm.In this pivotal role, you will lead electrical design initiatives and manage the project lifec ...

Civil/Municipal Project Engineer — Lead Multi Project Delivery

A leading environmental consulting firm in Winnipeg is looking for a Civil/Municipal Project Engineer to lead municipal infrastructure projects. The ideal candidate will have a Bachelor's degree in Civil Engineering, hold a Professional Engineer registration with APEGM, and possess 5-10 years of relevant experie ...

Lead Display IP Validation Engineer – Pre/Post Silicon

A leading semiconductor company is seeking a Lead Systems Integration Engineer in Markham, Ontario. You will drive planning, validation, and debug of AMD video encode/decode systems. The ideal candidate has extensive knowledge of SOC architecture, strong leadership abilities, and experiences in hardware debuggin ...

Founding Tech Lead Engineer: Build the Core Platform

A growing tech startup in Montreal seeks a Founding Tech Lead Engineer. You will work directly with the founders to design and scale the platform, managing a development team and setting the technical foundation. Candidates should possess strong programming skills, experience with large-scale data systems, and a ...

Principal Process Safety Engineer: Lead Fire & Risk Systems

A global professional services company is seeking a Principal Process Safety Engineer based in Calgary or Edmonton, Alberta. The role involves ensuring design compliance with safety standards, managing process safety activities, and leading safety engineering contractors. Ideal candidates will have extensive exp ...

Lead ML Platform Engineer Role at RBC Borealis

Join RBC Borealis as a Lead ML Platform Engineer, driving innovation in AI and data. You'll build and support crucial platform capabilities for effective ML model deployment.Your expertise in Kubernetes, automation, and data governance will shape the platform's future at RBC. You’ll engage with cutting-edge ...

AI Engineer Lead for Sales Solutions at RBC

RBC Capital Markets is hiring an AI Engineer Lead with expertise in Generative AI to enhance Sales team operations. This hybrid role emphasizes the development of innovative AI frameworks that improve client engagement and sales efficacy.As part of the Capital Markets Data AI and Research Technology (DART) t ...

Senior Water Resources Engineer Lead Design & Project Mgmt

A leading engineering firm in Canada is seeking an experienced Senior Water Resources Engineer to lead design and project management within their Water Resources team. The successful candidate will have a strong background in hydropower development, water management, and project administration. Key responsibilit ...

Lead Marine Structural Engineer with Project Management Focus

Advance as a Senior Marine Structural Engineer specializing in the design and analysis of marine infrastructures. Drive independent project delivery while providing mentorship to your team.This pivotal role involves overseeing designs and ensuring compliance with high-quality standards. You will manage proje ...

Senior Airport Civil Engineer — Lead Runways & Taxiways (Hybrid)

A global infrastructure consulting firm is seeking a Senior Airport Civil Engineer for its Toronto office. The ideal candidate will have over 10 years of experience in civil engineering with a focus on airport infrastructure projects. Responsibilities include leading project delivery, engaging with clients, and ...

Senior ML Engineer Lead Production Scale ML Infra

A leading global online food delivery platform is seeking a Senior ML Engineer to drive innovation and improve machine learning infrastructure. This role involves leading the development of solutions, mentoring mid-level engineers, and optimizing models for production environments. The ideal candidate has expert ...

Lead Platform Engineer Enhancing DevOps and System Reliability

Transform early childhood education as a Senior Platform Engineer focused on system performance and collaborative tooling. Drive key initiatives for scalable, reliable digital platforms.In this pivotal role, you'll ensure our platform infrastructure evolves effectively by leading improvements in both r ...

Lead Senior Engineer for Resilient Power Distribution Solutions

Elevate your career as a Senior Distribution Lines Engineer focusing on resilient energy systems. Play a key role in designing and modernizing power delivery across diverse Canadian communities.In this pivotal position, you will take the lead in designing low to medium voltage lines, ensuring synchroni ...

Senior Instrumentation Engineer: Lead I&C for Projects

A global professional services company in Canada seeks a Senior Instrumentation Engineer to deliver high-quality instrumentation and control engineering services. The successful candidate will lead I&C engineering activities across projects, ensuring compliance with quality standards and deadlines. Responsibilit ...

Senior Data Platform Engineer: Real Time Analytics Lead

A telecom solution provider in Canada is seeking a seasoned Staff Data Engineer to lead the design and scaling of their modern data platform. This hybrid remote role requires extensive experience in software engineering and data systems, where you will drive the migration to a North Star data architecture, manag ...

Backend Engineer & SRE Lead: Scale Secure AI Backend

A tech company focused on creating safe platforms for Gen Alpha is looking for a Backend Engineer / SRE to maintain and scale backend systems. You'll work with AI and ML pipelines, handle database performance, and ensure high reliability. Ideal candidates have AWS experience and are proactive in optimizing infra ...

Lead Electrical Engineer Driving Advanced Energy Storage Innovations

Shape the future of energy as a Lead Electrical Engineer, developing pioneering Battery Energy Storage Systems. Lead a growing team of engineers and drive projects that enhance sustainability and efficiency in the energy sector.This critical role focuses on overseeing the team responsible for designing ...

Senior Nuclear HFE Engineer — Hybrid, Lead 120+ Projects

A nuclear consultancy firm is seeking candidates for a Human Factors Engineering role focusing on the Pickering Nuclear Refurbishment project. Responsibilities include managing HFE deliverables, collaborating with vendors, and conducting analyses compliant with regulatory standards. The ideal candidate will have ...

Senior Fluids Engineer Lead Fluid Systems for Turbines

A global leader in gas turbine solutions located in Ottawa is seeking a Senior Fluids Engineer to join their Mechanical Engineering department. The ideal candidate will have over 9 years of experience in mechanical design, particularly in gas turbine applications, and will be responsible for facility planning an ...

Lead Graphics IP Validation Engineer – Onsite in Markham

A leading technology firm in Markham, Ontario is seeking a Graphics IP Validation Engineer for a 12-month temporary assignment. The role focuses on systems design, validation, and silicon bring-up in a cutting-edge development environment. Candidates should possess a strong understanding of SOC architecture and ...

🚀 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