680,294+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead Structural Engineer at Calgary Firm

Join a Canadian consulting firm as the Lead Structural Engineer in Calgary, where you can significantly influence business growth and project outcomes. Your expertise in building science will drive success!This senior role involves leading a well-established team and ensuring the effective delivery of engine ...

Lead Data Engineer, Associate Director (Toronto)

Select how often (in days) to receive an alert: Requisition ID: 49601 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Mar 4, 2026 Fitch Group is currently seeking a Associate Director/Lead Data Engineer ba ...

Lead Principal Engineer, Roads & Highways GTA

A leading infrastructure company is seeking a Principal Engineer with expertise in roads and highways to support projects across the Greater Toronto Area. The successful candidate will coordinate multidisciplinary teams, ensure technical excellence, and lead roadway design projects. Candidates should have a Bach ...

Lead Full Stack Engineer — Python & FastAPI

A leading technology company in Toronto is looking for a Lead Full Stack Development Engineer to enhance its Technology & Operations team. The ideal candidate will have over 4 years of experience in software development, particularly with Python Core and FastAPI. Responsibilities include mentoring junior develop ...

Vice President Lead Data Engineer Role

Lead data initiatives with impact as Vice President and Lead Full Stack Data Engineer. This senior role combines strategic vision with hands-on data engineering in Canada.In this vital position, you will leverage over 6 years of experience to drive complex data solutions and mentor a dynamic team. Show your ...

Senior Studies Engineer Power Systems Lead

A specialized electrical contracting company is seeking a Senior Studies Engineer to join their multidisciplinary team in Calgary, Alberta. The role focuses on delivering projects in Transmission, Distribution, and Renewables, with responsibilities that include technical calculations, documentation, and mentorin ...

Senior Civil Engineer: Lead Infrastructure Projects

A well-known engineering firm in Prince George seeks a Senior Civil Engineer to manage project deliverables while working directly with clients and stakeholders. The ideal candidate will have a Bachelor's degree in Civil Engineering, a professional engineering license in British Columbia, and at least 15 years o ...

Senior Civil Engineer Infrastructure Project Lead

A leading engineering firm is seeking a Senior Civil Engineer in Prince George, British Columbia. The successful candidate will manage project deliverables and collaborate with clients across various civil engineering sectors. Responsibilities include performing engineering design tasks, engaging in business dev ...

Lead Piping Stress Engineer 1 Nuclear

Description Piping Engineering & Analysis Synopsis The Piping Engineering & Analysis discipline performs evaluations for piping systems in accordance with ASME Boiler and Pressure Vessel Code, ASME B31.1, ASME B31.7, and other codes as applicable to the specific evaluation being performed ...

Lead Nuclear Mechanical Engineer Design & Mentor

An established industry player is seeking a Senior Mechanical Engineer to join their team in Pickering, Ontario. This role offers a unique opportunity to work alongside skilled professionals in a collaborative environment, tackling complex engineering challenges in the Nuclear and Power sectors. You will be resp ...

Senior Release Engineer & Azure DevOps Lead

Une entreprise technologique recherche un Release Manager à Montréal pour gérer des environnements de développement complexes en mode hybride. Vous aurez la responsabilité de valider la qualité technique du code, configurer des pipelines CI/CD dans Azure DevOps et assurer la collaboration entre les équipes. Une ...

Lead Android Security Engineer for Samsung

Shape the mobile security landscape as a Lead Android Security Engineer at Samsung Knox. Innovate to enhance user privacy across Samsung's device ecosystem.As part of the Samsung Knox team, you will be responsible for designing and architecting robust security features tailored for Samsung smartphones. Stayi ...

Senior Project Engineer, Infrastructure Design Lead

A leading engineering firm in Toronto is seeking an Engineering III professional to drive impactful infrastructure projects. In this role, you will define project scope, coordinate design processes, and manage both consultant and in-house design assignments. Successful candidates will have at least 8 years of en ...

Senior Mechanical Engineer: Lead Sustainable Systems

A leading design firm in Calgary is seeking an experienced Mechanical Engineer to design HVAC and plumbing systems for various commercial projects. The ideal candidate will have over 12 years of experience, strong skills in Revit, and qualifications in mechanical engineering. This role emphasizes collaboration w ...

Lead Material Handling Engineer at WSP

Join WSP as a Lead Material Handling Engineer to transform industrial environments with your expertise in efficient, safe, and sustainable material movement. Shape systems that support mining and industrial infrastructure.This role calls for an experienced engineer to lead multidisciplinary projects across B ...

Lead Material Handling Engineer at WSP

Join WSP as a Lead Material Handling Engineer to transform industrial environments with your expertise in efficient, safe, and sustainable material movement. Shape systems that support mining and industrial infrastructure.This role calls for an experienced engineer to lead multidisciplinary projects across B ...

AWS Data Engineer for Migration Lead

Step into the role of AWS Data Engineer with a focus on migration at a leading multinational investment bank in Toronto. This long-term position emphasizes AWS services, data migration, and Python expertise.Iris's client, a major player in investment banking, is seeking an AWS Data Engineer for a migration p ...

Lead Space Systems Engineer at Kepler

Join Kepler Communications as a Lead Space Systems Engineer and drive innovation in space technologies. Play a crucial role in architecture and execution of spacecraft systems.This senior engineering position demands extensive experience in systems engineering to lead architectural initiatives and ensure mis ...

Lead Data Engineer, Associate Director (Toronto)

Fitch Group is currently seeking a Associate Director/Lead Data Engineer based out of our Toronto office. As a leading, global financial information services provider, Fitch Group delivers vital credit and risk insights, robust data, and dynamic tools to champion more efficient, transparent financi ...

Senior Mining Engineer — Lead Projects & Growth

A leading engineering firm is seeking a Senior Mining Engineer in Vancouver, requiring a minimum of 12 years of diverse mining experience. The role involves providing engineering and financial solutions, managing projects, and engaging in business development. Candidates must have a B.Sc. in Mining, Civil, or Ge ...

Lead Industrial Piping Engineer & Project Leader

A leading engineering consulting firm in Canada is seeking a Mechanical Engineer to join their team specializing in industrial piping. You will lead project design studies, coordinate team efforts, and maintain client relationships in the mining and heavy industry sectors. The ideal candidate will have 10-15 yea ...

Lead Transmission Line Engineer, Power Delivery

A leading engineering company in Toronto is seeking a Senior Transmission Line Project Engineer to lead innovative substation projects for Canada's energy future. The role involves managing technical design aspects, client relationships, and project management of high voltage transmission lines. The ideal candid ...

Lead Piping Engineer Minerals and Metals

If you’re like us, you don’t have much time for the way things are. Ausenco is a global company redefining what’s possible. Our team is based across 22 offices in 9 countries, with projects in over 80 locations worldwide. Combining our deep technical expertise with a 30‑year track record, we deliver innova ...

Lead MEP Engineer in Construction Phase

Lead the technical oversight of MEP systems during construction phases. Provide design assurance and ensure all systems comply with established codes and project specifications.In this role, you will collaborate with a multidisciplinary team, focusing on Mechanical, Electrical, and Plumbing systems across co ...

Lead Material Handling Engineer at WSP

Join WSP as a Lead Material Handling Engineer to transform industrial environments with your expertise in efficient, safe, and sustainable material movement. Shape systems that support mining and industrial infrastructure.This role calls for an experienced engineer to lead multidisciplinary projects across B ...

Lead Material Handling Engineer at WSP

Join WSP as a Lead Material Handling Engineer to transform industrial environments with your expertise in efficient, safe, and sustainable material movement. Shape systems that support mining and industrial infrastructure.This role calls for an experienced engineer to lead multidisciplinary projects across B ...

Senior Civil Engineer – Transit Design Lead

Overview Senior Civil Engineer – Civil Transit Design Lead role at GHD. Bring your curiosity and determination to make a positive impact on the future of transport, and we’ll help you go all the way. Join our team of globally connected specialists to help solve complex transport challenges and exp ...

Lead Generative AI Engineer Manager, SVP

For additional information, please review .* Lead the end-to-end development of highly complex AI solutions, infrastructure, and architecture.* Lead and guide a team of engineers and data scientists, reviewing designs and code to uphold the highest levels of engineering standards.* Translate ambiguous product or ...

Senior Mechanical Engineer Defense Projects Lead

A leading engineering firm is seeking a Senior Mechanical Engineer in Vancouver. This role focuses on design and execution for National Defense projects, requiring a university degree in Mechanical Engineering and over 10 years of relevant experience. The candidate will lead teams, manage projects, and ensure co ...

Lead Engineer (Python and Capital Markets)

Lead Engineer (Python and Capital Markets) This range is provided by Collabera. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $70.00/hr - $80.00/hr Direct message the job poster from Collabera <p ...

Senior Mechanical Engineer Defense Projects Lead

A leading engineering firm is seeking a Senior Mechanical Engineer in Vancouver. This role focuses on design and execution for National Defense projects, requiring a university degree in Mechanical Engineering and over 10 years of relevant experience. The candidate will lead teams, manage projects, and ensure co ...

Global Lead Mechanical Engineer – Mineral Processing

A global engineering firm in Mississauga is seeking a Mechanical Engineer with over 15 years of experience in mineral processing. The role focuses on maintaining the quality of multi-discipline engineering teams and enhancing technical competence. Competitive salary of $180,000 to $200,000 is offered. The compan ...

Senior Mechanical Engineer Defense Projects Lead

A leading engineering firm is seeking a Senior Mechanical Engineer in Vancouver. This role focuses on design and execution for National Defense projects, requiring a university degree in Mechanical Engineering and over 10 years of relevant experience. The candidate will lead teams, manage projects, and ensure co ...

Senior Mechanical Engineer Defense Projects Lead

A leading engineering firm is seeking a Senior Mechanical Engineer in Vancouver. This role focuses on design and execution for National Defense projects, requiring a university degree in Mechanical Engineering and over 10 years of relevant experience. The candidate will lead teams, manage projects, and ensure co ...

Lead Full Stack Engineer — Remote Canada

A leading technology company is looking for a Lead Full Stack Engineer to develop application features in line with specifications. The ideal candidate will have extensive experience in Java and Javascript frameworks, including Angular and React, and will engage in incident management along with development task ...

Senior Embedded Systems Engineer Cybersecurity Lead

A global technology leader located in Ottawa seeks an experienced Principal Development Engineer with expertise in software and firmware engineering, particularly within cybersecurity. This hybrid role demands strong skills in C/C++ and Linux, aimed at delivering cutting-edge embedded solutions. Candidates shoul ...

Senior Mobile & Windows Engineer – Lead & Architect

A global gaming support company in Canada seeks an experienced developer with a strong background in mobile and Windows application development. The ideal candidate will have over 4 years of experience, proficient in Swift, Kotlin, and React Native, and capable of leading development teams while collaborating cl ...

Lead Mobile Engineer Opportunity at Jobber

Lead with expertise as a Senior Software Engineer at Jobber, focusing on mobile app development. Join a passionate team, enhancing your skills while mentoring the next generation of engineers.In this pivotal role with Jobber's McMobile team, you'll collaborate in crafting advanced mobile solutions and ensuri ...

Lead Engineer AWS & Generative AI Innovations

Join our Toronto office as a Lead Engineer specializing in AWS and Generative AI innovations. Enhance enterprise systems with LLM integration and Co-Pilot expertise.This hybrid role blends leadership with hands-on development to forge AI-enabled cloud solutions. Work collaboratively with engineering and busi ...

Lead Generative AI Engineer Manager, SVP

About the Role We are seeking a highly skilled Lead GenAI Engineer Manager to join the Citi Innovation Labs and spearhead the design and development of cutting‑edge AI services. This role is pivotal in driving the creation of enterprise‑wide Generative AI platforms that deliver tangible v ...

Lead Frontend Engineer — Scale & Mentor, Relocation

A leading online travel platform is seeking a Lead Software Engineer for Front End to enhance systems for millions of travelers. Responsibilities include leading design and development of scalable applications, guiding teams, and hands-on development. Applicants should have over 12 years of software experience, ...

Lead Piping Engineer – Minerals & Metals (Hybrid)

A global engineering company is seeking a Lead Piping Engineer in Burlington, Canada. The role involves overseeing piping engineering design and managing project teams in the mining industry. Candidates should have a degree in Mechanical Engineering and at least 15 years of experience in piping design. The posit ...

Senior Hydropower Engineer — Lead Projects & Growth

A global engineering firm in Vancouver is seeking a highly motivated Hydropower Specialist to provide technical leadership and engage with clients in the Hydropower and Dams Business Unit. The ideal candidate will have significant experience managing hydropower studies and projects, with responsibilities includi ...

Lead Piping Engineer Minerals and Metals

If you’re like us, you don’t have much time for the way things are. Ausenco is a global company redefining what’s possible. Our team is based across 22 offices in 9 countries, with projects in over 80 locations worldwide. Combining our deep technical expertise with a 30-year track record, we delive ...

Lead Engineer, Nuclear Systems (Hybrid – Canada)

A leading energy solutions firm in Peterborough, Ontario seeks a Lead Engineer to design mechanical systems for innovative nuclear technology projects. The role requires a P.Eng. license with over 12 years of experience in engineering design and project leadership. This position offers a hybrid work schedule and ...

Project Engineer: Field Lead & Cost Control

A leading construction firm is seeking a Project Engineer in Toronto, Ontario. In this role, you will handle the technical and administrative aspects of projects, managing teams and ensuring compliance with safety regulations and specifications. The ideal candidate has a degree in a construction-related field, i ...

Lead Applied ML Engineer at Kaseya

Drive AI advancements as a Lead Applied ML Engineer with Kaseya. Your expertise in data modeling and analysis will enable transformative automated workflows.In this role at Kaseya, you will leverage your 5+ years of experience in ML engineering to lead product teams in harnessing data for AI-driven features. ...

Lead Marine Structural Engineer at AtkinsRéalis

Lead the way in marine structural engineering with AtkinsRéalis as a Principal Marine Structural Engineer. This full-time role offers the flexibility of hybrid work from Bedford or St. John’s, Newfoundland & Labrador.In this senior leadership position, you will be a key figure in the Ports & Marine team, ove ...

Senior Mine Engineer: Lead Underground Projects

A leading agricultural services company in Saskatchewan is seeking an experienced Senior Mine Engineer. The role involves leading underground mining projects, ensuring safety standards, and collaborating with multi-disciplinary teams. Ideal candidates will have a Bachelor’s in Mining or Geological Engineering an ...

Citi Generative AI Lead Engineer Manager

Lead the charge in developing AI solutions as the Generative AI Engineer Manager with Citi Innovation Labs. Focus on building innovative platforms that impact finance through advanced AI technologies.This leadership role involves guiding engineering teams in designing and implementing enterprise-level Genera ...

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