655,660+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

Professional job seekers finding Canada jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior 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 ...

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 ...

Remote Senior/Lead Backend Engineer Build A Bera

Background:Build-A-Bera is the capital arm/incubator for Berachain, a high-performance, EVM (Ethereum Virtual Machine) compatible, Layer 1 blockchain built on the Cosmos SDK. Berachain uses a variant of delegated Proof of Stake called Proof of Liquidity consensus to rehypothecate liquidity as security at the pro ...

Lead AI/ML Research Engineer Hybrid, Growth & Impact

A global technology company is seeking a Lead Research Engineer to spearhead innovative AI and ML capabilities. This role involves leading technical teams, developing large-scale data processing pipelines, and driving digital transformation. Ideal candidates possess a Bachelor's degree in Computer Science, over ...

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 trusted by indus ...

Lead Analog IC Design Engineer, High Speed SERDES

A leading technology company in Ottawa is seeking an experienced Analog Design Engineer with expertise in high-speed SERDES IP. The successful candidate will be responsible for developing SERDES transceiver architectures, designing and verifying analog circuits, and collaborating across teams. Candidates should ...

Senior Full Stack Engineer Remote First, Lead & Build

An innovative firm is looking for senior software engineers to join their dynamic team in Toronto. This early-stage opportunity offers the chance to work on cutting-edge transportation technology, developing user-friendly mobility solutions that enhance commuting experiences. As a key member of the team, you wil ...

Lead AI Solution Engineer Azure, FastAPI & REST APIs

Une entreprise de services financiers recherche un Lead AI Solution Engineer pour développer des applications intelligentes en utilisant des services Azure. Le candidat devra posséder une expérience solide en développement Python et FastAPI, et sera responsable de la conception et du déploiement de systèmes back ...

Principal P&C Engineer — HV Substation Design Lead

A leading power solutions firm in Vancouver is seeking a Principal Engineer – P&C to provide technical leadership and support for a team developing protection, control, and metering system designs for electrical substations. The ideal candidate will have 15+ years of utility-specific design experience and a degr ...

Data Platform Lead Engineer (.NET) – Cloud Native & DevEx

A leading Canadian bank in Toronto is seeking a Lead Data Platform Engineer to spearhead the development of a cloud-native data platform. The ideal candidate will have 8-10 years of experience and expertise in Azure technologies, data engineering, and strong stakeholder management skills. This full-time position ...

Lead Senior Engineer for Scalable Cloud Communication Technologies

Shape the future of communication technology as a Senior Software Engineer. With a focus on innovation, you will create scalable solutions for a dynamic cloud-based platform that empowers users.In this pivotal role, you will own and enhance the core functionalities of the telephony platform, ensuring t ...

Senior GenAI Engineer: LLM & RAG Lead for Production

A leading AI solutions provider is seeking a Senior GenAI Engineer in Toronto, Ontario. This role focuses on designing and developing LLM-based solutions for an AI-powered recommendation platform. The ideal candidate will lead the architecting of scalable GenAI pipelines and collaborate with various teams to imp ...

Contract Process Safety Engineer — Calgary (PHA/MOC Lead)

A leading engineering services provider is seeking a Process Safety Engineer for a contract role in Calgary, AB. The successful candidate will provide technical safety support focusing on hazard identification and risk assessment. This position requires extensive experience in PHA, MOC, and process safety risk m ...

Senior Mobile Engineer: Kotlin & Cross Platform Tech Lead

A progressive financial technology company is seeking a Senior Mobile Engineer to enhance customer experience through innovative mobile applications. In this role, you will architect mobile infrastructure, mentor junior engineers, and collaborate with backend teams. The ideal candidate has a Bachelor's in Comput ...

Senior Full Stack Engineer & Tech Lead – Microservices & Cloud

A leading financial institution in Toronto seeks a capable full stack engineer to drive the development of enterprise applications. In this role, you will design scalable solutions, maintain coding standards, and apply strong technical expertise in frameworks like React and Node.js. You should possess 8+ years o ...

Senior UI Engineer — Lead Data Dashboards & UI Dev

A leading technology company is seeking a UI/UX Developer in Vancouver, Canada, to design and develop high-performance UI components using Angular. The ideal candidate will have over 5 years of experience in UI/UX development and a strong technical foundation in frontend technologies. This full-time position off ...

Lead Electrical Engineer for AI Driven Data Centers

A technology company specializing in data centers is seeking an experienced Electrical Engineer to lead the design and development of advanced electrical and controls systems. The successful candidate will manage the full electrical design lifecycle, producing installation drawings and coordinating with multiple ...

Staff Platform Engineer: AI Driven Dev Platform Lead

A leading financial technology firm in Canada is on the lookout for a Staff Platform Engineer to shape and evolve their internal developer platform. The role involves defining architecture, leading initiatives across teams, and developing tools that enhance productivity. Candidates should have over 8 years of ex ...

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 ...

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 ...

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 ...

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 ...

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 ...

Lead Project Engineer – Hybrid (2 Days Remote) & Commissioning

An established industry player is seeking a skilled Project Engineer to oversee exciting engineering projects. In this hybrid role, you will be responsible for planning, designing, and executing projects while ensuring compliance with quality standards. Your expertise in engineering principles will be crucial as ...

Staff Data Platform Engineer – Lead Scalable Data Systems

A tech-forward telecom company in Montreal is seeking a seasoned Staff Data Platform Engineer to lead the design and development of a robust data platform. The role involves working with modern data architectures and driving best practices in data governance while mentoring junior engineers. Ideal candidates sho ...

IaaS Release Engineer: Lead End to End Deployments

A technology solutions company is looking for an experienced Application Release Engineer located in Toronto. The ideal candidate will have 5-7 years of relevant experience and a strong background in IaaS automation technologies such as VMC, Terraform, OpenStack, and Cloudify. The role involves leading deploymen ...

Senior AWS Cloud Engineer: Amazon Connect & DevOps Lead

A leading technology company is seeking a Senior DevOPS/Cloud Engineer to provide expertise in AWS cloud platforms and lead the design of cloud-based contact center solutions. The ideal candidate will have over 10 years of experience in software development, extensive knowledge of AWS services, and skills in aut ...

Hybrid Substation Design Engineer — Grow into Lead Projects

A reputable engineering firm is seeking an Associate Substation Design Engineer to join their team in Markham, Ontario. This full-time role focuses on detailed substation design, collaborating with project managers and CAD designers. The ideal candidate will hold a Bachelor’s degree in Electrical Engineering and ...

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 ...

Senior Microelectronic Design Engineer End to End Lead

A leading technology firm in Canada is seeking a Senior Microelectronic Design Engineer to lead product development in microelectronics. The role involves collaborating with a multidisciplinary team, managing product documentation, and ensuring product compliance. Ideal candidates will have a Bachelor's Degree i ...

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 Release Engineer & Tech Lead .NET/Azure DevOps

Une entreprise de technologie à Montréal recherche un Release Manager pour opérer dans un environnement complexe, alliant compétences en .NET et méthodes DevOps. Ce rôle requiert la capacité d'opérer directement dans le code, d'optimiser les pipelines CI/CD, et de travailler en collaboration avec plusieurs équip ...

Lead Mechanical Engineer for Hydropower Design and Refurbishment

Take charge as a Senior Mechanical Engineer, focusing on hydropower designs and refurbishments. Work on innovative projects that include large pumping systems in a hybrid working environment with ample career support.In this role, you will benefit from your Bachelor’s degree and over 10 years of hydromechani ...

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 Mechanical Engineer Lead Design for Mining & Metals

A multi-disciplinary engineering firm is seeking a Senior Mechanical Engineer in Vancouver. You will lead mechanical designs and supervise engineers while addressing client design issues. Ideal candidates have over 10 years of experience in mechanical design, strong problem-solving skills, and familiarity with C ...

Senior Lead ML Engineer Agentic AI Platform Architect

A global talent marketplace is seeking a Senior Lead Machine Learning Engineer to architect and scale agentic intelligence. This role involves leading the development of AI agents and backend infrastructure for reliability and performance. Ideal candidates will have senior-level experience in applied ML systems, ...

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 ...

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 ...

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 ...

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 ...

🚀 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