601,424+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead Mechanical Engineer, Mining/Resources

Overview 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, our gl ...

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 Senior Geotechnical Engineer Canada

Join AtkinsRéalis as a Senior Geotechnical Engineer, leading multidisciplinary teams across Canada in mining and metals. Enhance tailings storage facility designs and mentor the next generation of engineers.AtkinsRéalis is expanding its Minerals and Metals team and seeks a Senior Geotechnical Engineer. This ...

Lead Substation Civil Structural Engineer

A leading engineering firm is seeking a Senior Substation Civil Structural Engineer in Vancouver. This role involves leading the design of substation structures, preparing and reviewing specifications, and managing project teams. Candidates should have a bachelor's degree in Civil or Structural Engineering, at l ...

Lead Surface Water Engineer Role

Take charge as a Lead Surface Water Engineer, where your technical skills meet the need for sustainable water strategies. Help shape community projects focused on clean water and innovation.In this multifaceted position, you will oversee surface water resources components in various projects, engaging in tas ...

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 Machine Learning Engineer Unity

Transform advertising through technology as a Lead Machine Learning Engineer at Unity. Focus on financial systems, pacing algorithms, and advanced Generative AI solutions.In this pivotal role, you will leverage over 8 years of development experience to drive Unity's advertising ecosystem. Your expertise will ...

Lead Environmental Engineer in Ontario

Advance your career as a Senior Environmental Engineer or Geoscientist with CIMA+. Lead multidisciplinary projects that enhance environmental standards across Ontario.CIMA+ is expanding its Earth and Environment team, looking for a Senior Geoscientist or Environmental Engineer. This full-time role requires 1 ...

Technical Lead Mechanical Engineer Role

Become a key Technical Lead Mechanical Engineer at WEC, based at the Regional Office. Collaborate closely with the Project Manager to ensure project success through effective communication and technical guidance.In this Mechanical Engineer 4 position, you will work alongside the Team Lead, Managing and mento ...

Lead Data Engineer at MealSuite

Help transform healthcare dining experiences as a Senior Data Engineer at MealSuite. This hybrid role centers on designing optimal data solutions and supporting advanced analytics.MealSuite is looking for a Senior Data Engineer to enhance our data systems for better decision-making in healthcare tech. With m ...

Lead Analytics Engineer at Faire

Elevate your career as a Lead Analytics Engineer at Faire, driving AI-focused solutions for small to medium businesses. Utilize your data engineering skills to innovate product features and enhance data capabilities.In this influential role, you will lead a team of Data Scientists and Software Engineers to s ...

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 ...

Electrical Engineer Lead in Edmonton

Enhance your engineering leadership as an Electrical Engineer Lead in a hybrid role based in Edmonton, AB. Oversee design efforts, manage projects, and mentor junior engineers.This full-time position requires a seasoned Electrical Engineer with at least 10 years of experience, specializing in structural proj ...

Azure Lead Engineer at Genpact

Join Genpact as an Azure Lead Engineer, focusing on production support. Take charge of coding, testing, and enhancing system reliability while collaborating in a hybrid work model.In this dynamic role, you will be responsible for monitoring service disruptions and utilize Site Reliability Engineering (SRE) p ...

Lead Data Engineer at Citi

Become a Lead Data Engineer at Citi and spearhead application system analysis and programming efforts. This senior position emphasizes the integration of big data technologies and innovative data pipelines.As an Applications Development Technology Lead Analyst, you will engage with multiple management teams, ...

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 Engineer Carbon Health Platform

Shape the future of healthcare technology as a Lead Engineer at Carbon Health. Your expertise will focus on building resilient backend architectures that drive innovation in patient care.In this pivotal role, you will lead technical efforts, mentor fellow engineers, and champion best practices in software de ...

Lead Engineer Carbon Health Platform

Shape the future of healthcare technology as a Lead Engineer at Carbon Health. Your expertise will focus on building resilient backend architectures that drive innovation in patient care.In this pivotal role, you will lead technical efforts, mentor fellow engineers, and champion best practices in software de ...

Lead Engineer Carbon Health Platform

Shape the future of healthcare technology as a Lead Engineer at Carbon Health. Your expertise will focus on building resilient backend architectures that drive innovation in patient care.In this pivotal role, you will lead technical efforts, mentor fellow engineers, and champion best practices in software de ...

Lead Engineer Carbon Health Platform

Shape the future of healthcare technology as a Lead Engineer at Carbon Health. Your expertise will focus on building resilient backend architectures that drive innovation in patient care.In this pivotal role, you will lead technical efforts, mentor fellow engineers, and champion best practices in software de ...

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 ...

McKesson Lead Data Engineer Position

Elevate your career as a Lead Data Engineer with McKesson, a Fortune 10 healthcare company. Focus on delivering innovative data solutions and mentoring junior engineers in a dynamic role.In this senior position, you will play a crucial role within the Decision Intelligence team at McKesson. Your responsibili ...

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 Frontend Engineer for Modernization

Join our team as a Lead Frontend Engineer focusing on technology modernization. Utilize your skills in React and TypeScript to develop scalable client applications and enhance user experiences.In this role, you will lead frontend development while driving best practices and standards in technology modernizat ...

Lead Machine Learning Engineer Unity

Transform advertising through technology as a Lead Machine Learning Engineer at Unity. Focus on financial systems, pacing algorithms, and advanced Generative AI solutions.In this pivotal role, you will leverage over 8 years of development experience to drive Unity's advertising ecosystem. Your expertise will ...

Lead Machine Learning Engineer Unity

Transform advertising through technology as a Lead Machine Learning Engineer at Unity. Focus on financial systems, pacing algorithms, and advanced Generative AI solutions.In this pivotal role, you will leverage over 8 years of development experience to drive Unity's advertising ecosystem. Your expertise will ...

Senior Geotechnical Engineer | Groundwork Lead

A leading engineering firm in Vancouver is seeking a Senior Geotechnical Engineer to influence impactful projects across Western Canada. You will manage complex geotechnical investigations and provide insights for major infrastructure developments. Candidates should have over 8 years of experience, be registered ...

Lead Engineer for Train Systems

Become a pivotal force in rail innovation as a Lead Engineer for Train Systems. Apply your engineering expertise to integrate methodologies and enhance team dynamics efficiently.This position based in Saint-Bruno, QC, requires overseeing teams and managing project resources effectively. Engage with Train Pro ...

Resident Engineer: Automotive Quality Lead

A leading automotive manufacturer is seeking a Resident Engineer to ensure products meet quality standards. Responsibilities include root cause analysis of issues and recommending permanent corrective actions. The ideal candidate holds a Bachelor’s degree in Mechanical or Electrical Engineering and has experienc ...

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 Systems Engineer, Launch Program

NordSpace ( ) is a Canadian startup with the mission to develop Canada's first sovereign space launch and end-to-end space missions capability. With divisions ranging from rocket propulsion and spaceports, to satellite development and planetary robotics, NordSpace is driven to do everything it takes to bri ...

Lead Protection and Control Engineer

Advance your career as a Lead Protection and Control Engineer at CIMA+. Work on exciting projects that shape the future of energy solutions in a supportive environment.CIMA+ is expanding, seeking a Lead Protection and Control Engineer to drive innovation in electrical energy projects in Western Canada. You'l ...

Lead TestOps Engineer at Tigera

Become a Lead TestOps Engineer at Tigera, where you will drive innovations in testing and automation within cloud environments. Your contributions will enhance software quality and delivery performance.As part of the Delivery Engineering team, your role goes beyond traditional testing; you will optimize the ...

Mentor & Lead as Structural Engineer

Discover an impact-driven role at Sedgman Canada Ltd as a Senior Structural Engineer in Vancouver, B.C. This opportunity focuses on technical leadership and mentorship in structural engineering.As part of a rapidly expanding team, you will oversee project development, ensuring compliance with industry standa ...

Lead Project Engineer, Pharma Plant

A global diversified pharmaceutical company is seeking a Project Engineer for their Laval Plant. The role requires managing project phases in the pharmaceutical sector, overseeing engineering projects, and ensuring compliance with best practices. Candidates should have at least 5 years of engineering and pharmac ...

Geotechnical Lead Engineer in Tunneling

Elevate your career as a Geotechnical Lead Engineer in Tunneling. Spearhead the design and execution of underground projects while mentoring a new generation of engineers.This senior position demands expertise in managing complex tunneling and excavation designs, applying sound engineering principles, and ma ...

Senior Engineer (Project Electrical Lead)

Overview 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 – future-focused with reimagined ambition across all disciplines within the energy sector. ...

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 ...

Senior Structural Engineer Team Lead

Senior Structural Engineer – Team Lead Location: Surrey, Vancouver or Chilliwack, BC Reports To: Structural Discipline Lead Job Summary Ecora is seeking a highly experienced Senior Structural Engineer – Team Lead to lead the design and delivery of structural ...

Lead Process Engineer – Water & Wastewater

Overview Lead Process Engineer – Water & Wastewater Location: Stoney Creek, ON, CanadaDate Posted: Jan 19, 2026 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 facil ...

Lead AI Engineer at SuiteSpot

Enhance resident experience as SuiteSpot's Lead AI Engineer focusing on building and scaling SAM. Utilize your full-stack engineering skills in a fast-moving environment.This role demands significant experience in software engineering with a focus on AI technologies. As you enhance SAM’s capabilities, your e ...

Lead Principal Geotechnical Engineer Montreal

Elevate infrastructure projects as a Principal Geotechnical Engineer with WSP in Montreal, QC. Drive complex analyses and mentor teams while overseeing geotechnical investigations.This full-time on-site position requires an expert geotechnical engineer to manage site investigations and lead foundation design ...

Mechanical Integration Lead Engineer Quebec

Elevate your career as a Mechanical Integration Lead Engineer with a global provider in Quebec. This full-time role focuses on managing mechanical integration and drafting assembly designs.The successful candidate will oversee mechanical activities, ensuring adherence to project timelines and quality standar ...

Lead Performance Engineer at UniSysTech

Shape enterprise application performance with UniSysTech Consulting as a Lead Performance Engineer. Drive load testing and performance strategies in a hybrid work model.UniSysTech Consulting is looking for a Lead Performance Engineer to spearhead initiatives in performance testing and optimization for critic ...

Lead Civil Structural Engineer Calgary

Join Equinox Engineering Ltd. as a Lead Civil-Structural Engineer in Calgary, AB. This full-time role focuses on innovative oil and gas infrastructure projects while mentoring junior engineers.You will oversee the civil and structural engineering aspects of complex projects, ensuring safety and compliance. Y ...

Lead Electrical Engineer at RVA

Elevate your career as a Lead Electrical Engineer with RVA, working on innovative projects in water distribution systems and building electrical infrastructure. Utilize your expertise in planning, design, and optimization.RVA is searching for a highly skilled Lead Electrical Engineer with over 15 years of ex ...

Liquid Cooling Infrastructure Lead Engineer

Join CoolIT Systems in Calgary as the Liquid Cooling Infrastructure Lead Engineer. This role involves leading designs for pioneering liquid cooling infrastructures used in supercomputing and cloud solutions.You will be responsible for the mechanical design processes of facility and data hall side liquid cool ...

Lead Quality Engineer at Manulife

Elevate software quality at Manulife as a Lead Quality Engineer, focusing on automated testing in a hybrid work environment. Collaborate with teams to enhance systems and ensure performance excellence.As a Lead Quality Engineer, you will design scalable test solutions and influence product quality. This role ...

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