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

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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 ...

Senior Electrical Engineer – Electrification Lead

BBA is seeking a forward-thinking Senior Electrical Engineer to help lead our growing work in load electrification, distributed energy resources (DERs), and medium-voltage interconnections across Ontario. This role combines technical delivery, client engagement, and strategic growth—supporting electrification in ...

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 ...

Lead Commissioning Engineer / Commissioning Manager

Lead Commissioning Engineer / Commissioning Manager PHASOR Engineering Inc. is a dynamic Alberta based company specializing in engineering, design, and testing / commissioning of medium to high voltage electrical facilities. Focused on providing cost-effective and efficient solutions to power system engineering, ...

(Python Based) Lead Research Engineer

Lead Research Engineer Do you love creating innovative solutions for customers?We are seeking a passionate Lead Research Engineer who will bring expertise in AI and ML and is interested in building data‑driven capabilities that drive transformation. As a member of Thomson Reuters Labs you will have a d ...

Lead Research and Development Engineer

Join to apply for theLead Research and Development Engineerrole atSonic Incytes Medical Corp. Join to apply for theLead Research and Development Engineerrole atSonic Incytes Medical Corp. At Sonic Incytes, theproductdevelopment team plays an integral ro ...

Lead Cloud DevSec Ops Engineer

Job Title:Lead Cloud DevSec Ops Engineer Key Technology:DevOps, Python, PowerShell, Rego, Azure, GCPJob Responsibilities:Ensure that all cloud solutions follow internally defined security and compliance controls.Implement the enterprise cloud capability and enhan ...

Lead Signaling Installation & Correlation Engineer

A global engineering company in Toronto is seeking an Installation Engineering Design Leader. You will be responsible for signaling installation design, ensuring alignment with project specifications and client requirements. The ideal candidate should have a strong engineering background, knowledge of signaling ...

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 QA Engineer at AssetWorks

Take the lead in quality assurance as a Lead QA Engineer with AssetWorks. Your role will focus on modernizing automation and supporting teams to uphold high testing standards in a remote setup.As a key member of the team, you will propose and implement automation improvements while mentoring fellow QA profes ...

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 Mechanical Engineer, Mining/Resources

Responsibilities Lead mechanical and piping engineering packages for multidisciplinary mining and industrial projects across all phases—from conceptual studies to detailed engineering and construction support. Apply deep knowledge of codes and standards (ASME B31.3, B31.4, B31.8, ...

Stationary Engineer Lead Utilities & Safety

A chemical manufacturing company in Thorold, Ontario seeks a Stationary Engineer to supervise Power Engineers and ensure safety in operations. The ideal candidate should hold a 2nd Class Operating Engineer’s License, have experience in power technology, and knowledge of TSSA regulations. This role involves maint ...

Lead Civil Engineer – Renewables & Growth

A renewable energy company is seeking a Civil Engineering Team Leader to oversee a team of engineers for renewable energy projects. The role involves managing project phases and ensuring technical compliance across various assignments. Ideal candidates will possess a Bachelor's degree in Civil Engineering, with ...

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. ...

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 ...

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 ...

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 ...

Lead Structural Engineer – Hydroelectric & Dams

A leading engineering services organization is seeking a Senior Civil Structural Engineer to join its Hydro-Energy Operations team in Montreal. In this pivotal role, you will lead the design and rehabilitation of structures for hydroelectric projects and coordinate multidisciplinary teams. The ideal candidate wi ...

HVAC and Mechanical Lead Engineer

Drive innovation at SYSTRA Canada as an HVAC and Mechanical Lead Engineer for cutting-edge rail projects. Focus on delivering exceptional station designs that meet high performance standards.Reporting to the Design Manager, you will be instrumental in the multidisciplinary coordination of high-speed rail sta ...

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 ...

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 Application Engineer in B2B

Take your career to the next level as a Senior Application Engineer with lululemon’s B2B Retail Engineering team. Focus on innovative solutions and scalable architecture in a hybrid working environment.In this senior level position, you will design and implement application solutions that drive operational e ...

Lead Mechanical Engineer, Resources Sector

Join WSP as a Senior Mechanical Engineer in the Mining/Resources sector and make a difference in Atlantic Canada's engineering landscape. Lead innovative design efforts while mentoring talent in your field.This senior role allows you to contribute your engineering insights to complex projects aimed at improv ...

Lead Security Engineer Microsoft 365

Shape ResMed's security landscape as a Lead Security Engineer specializing in Microsoft 365. Utilize your expertise in compliance, DLP, and data governance to protect customer data.In this advanced role, you will oversee the design and implementation of security and compliance policies in a dynamic IT enviro ...

Lead Bridge Engineer – Saskatchewan & Manitoba

A leading engineering firm is seeking a Prairies Bridge Team Leader based in Winnipeg, Manitoba. This role involves managing a team to plan and design bridges and transportation structures. Candidates should have a strong background in engineering leadership, project management, and excellent communication skill ...

Lead Mechanical Design Engineer Calgary

Become a key player at a well-regarded consulting engineering firm in Calgary as a Lead Mechanical Design Engineer. This full-time role balances technical design work with influential leadership in project management.The role requires a motivated engineer to design and coordinate mechanical systems, specific ...

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 ...

Lead Site Reliability Engineer Position

Shape the future of cloud reliability at Moogsoft as a Lead Site Reliability Engineer. Your expertise in SRE and hands-on experience with automation tools will drive transformative solutions.In this role, you'll lead design efforts, manage SRE assets, and publish implementation plans that uphold high standar ...

Mechanical Lead Engineer Mining Projects

Fluor is hiring a Mechanical Lead Engineer to drive engineering excellence in mining projects. This vital role focuses on technical accuracy and leadership across project phases.The Principal Design Engineer will oversee mechanical activities for complex projects within the mining and metals sectors. Your re ...

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 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. ...

Customer Support Engineer Team Lead

About Us Norsat International Inc., founded in 1977, is a leading provider of innovative communication solutions that enable the transmission of data, audio, and video for remote and challenging applications. Norsat’s products and services include customizable satellite components, portable satellite systems, ma ...

Lead Electrical Engineer Rail Projects

Become a key player in rail electrification with WSP as a Senior Electrical Engineer. You'll be instrumental in designing systems that support pivotal transportation initiatives across Canada.WSP is looking for a Senior Electrical Engineer to join their dynamic team specializing in rail electrification ...

Lead Python Full Stack Engineer

ResponsibilitiesDevelop and maintain: Build and refine responsive front‑end applications applying Angular or ReactJS, and robust backend APIs by applying Python for AWS Lambda.Cloud architecture: Build, deploy, and manage scalable applications on AWS, bringing to bear services like Lambda, AP ...

Lead MLOps Engineer in Vancouver

Excel as a Lead MLOps Engineer at RBC's Global Functions Technology in Vancouver. This role focuses on designing impactful machine learning pipelines for financial risk assessment using AWS.In this comprehensive full-time position, you will bring over five years of experience in MLOps to design, deploy ...

Lead Electrical Engineer 1 Nuclear

Description You will be leading the group on interesting and challenging projects that include investigating, troubleshooting, and solving a wide variety of electrical engineering issues to support single and multi-discipline projects. The majority of the projects performed for our clients require multi-discipli ...

Lead Transmission Line Engineer Grid

Description Responsibilities may include the following:Design transmission lines in the 69kV to 765kV range.Mentor and train less experienced design team members.Coordinate design activities to ensure installation and operations will comply with specifications, codes, and client req ...

Lead Structural Engineer 1 Nuclear

Description This is a Project Lead Structural Engineer position that offers a variety of interesting and challenging opportunities in structural engineering and will provide an excellent opportunity to advance your career. In this position you will guide a team of structural engineers, interface with clients and ...

Lead Engineer for MAAS Development

Shape the future of Metal as a Service as an Engineering Manager. Lead software development, enhance team performance, and engage in cutting-edge technologies related to cloud infrastructure.As the lead in the MAAS team, you will be responsible for high-quality development and team leadership in an inn ...

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