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

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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 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 ...

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 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 Geotechnical Engineer – Deep Foundations

A leading engineering firm in Vancouver is seeking a Principal Geotechnical Engineer specializing in Deep Foundations. In this role, you will lead and deliver innovative geotechnical solutions while managing key projects. Ideal candidates will have over 15 years of experience, a degree in Civil or Geological Eng ...

Lead DevOps Engineer (ML Platform)

Job Description What's the opportunity? We’re looking for an experienced Lead DevOps Engineer (ML Platform) who will bring focus and subject-matter expertise around designing and implementing machine learning infrastructure and automation tools (MLOps and De ...

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 HVAC Engineer at Englobe

Step into the role of Lead HVAC Engineer at Englobe, where you'll lead mechanical projects that make a lasting impact on communities. This hybrid position offers a chance to embrace innovation while driving project success.Englobe is searching for a Lead HVAC Engineer with robust mechanical design expertise ...

Lead Quality Engineer at Synechron

Join Synechron as a Lead Quality Engineer to spearhead QA initiatives while mentoring a skilled team. This hands-on role blends leadership with active testing responsibilities.We are on the lookout for a seasoned QA Lead with over eight years of software testing experience. Your expertise in Python and test ...

Lead Data Engineer with Databricks

Enhance your career as a Lead Data Engineer focusing on Databricks migration projects. Utilize your extensive data engineering skills to lead the transition from Glue and Redshift to Databricks.We are looking for a dedicated Lead Data Engineer with over 10 years of experience in data engineering roles. This ...

Lead Data Engineer at Xanadu

Shape the future of quantum computing as a Lead Data Engineer at Xanadu. Transform data pipelines into a cohesive platform supporting innovative research and business analytics.In this hands-on technical role, you will develop Xanadu’s data infrastructure while collaborating with hardware researchers and dat ...

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 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 ...

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 Data Engineer at Upshop

Advance your career with Upshop as a Lead Data Engineer focused on enhancing our Databricks Lakehouse. This role emphasizes data architecture and systems design to drive impactful retail analytics.In this crucial leadership position, you will manage the architecture and scalability of data products, deliveri ...

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 Material Handling Engineer Fluor

Elevate your career with Fluor as a Lead Material Handling Engineer. This position requires extensive engineering expertise and involves administrative oversight and technical guidance on complex projects.Fluor, a top Canadian employer, is seeking a Lead Material Handling Engineer with a four-year degree and ...

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 ...

Lead DevOps Engineer for Payments

Elevate your career with Insight Global as a Lead DevOps Engineer, specializing in automated payment processing within a high-volume transaction environment. This role emphasizes the operational excellence of Camunda 8-based platforms for seamless transactions.In this pivotal position, you will take charge o ...

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 Nuclear Structural Engineer — Ontario

A global engineering services provider is seeking a Principal / Lead Structural Engineer in Canada to provide technical leadership and ensure high-quality design in nuclear projects. The ideal candidate has extensive experience in the Ontario nuclear industry, strong leadership skills, and is a member of the Pro ...

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 ...

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 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 ...

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 Cloud MLOps Engineer, GFT

Overview Are you a talented, creative, and results-driven professional who thrives on delivering high-performing applications? Join us. Global Functions Technology (GFT) is part of RBC’s Technology and Operations division. GFT collaborates with partners across the company to deliver innovative IT ...

Front End Engineer Tech Lead

illumin is a leading technology company that provides marketers with a one‑stop solution for omnichannel digital advertising with best‑of‑category return on advertising spend. Our journey automation technology, illumin™, offers planning, buying, and real‑time intelligence from one platform. W ...

Technical Lead, Water Treatment Engineer

Technical Lead, Water Treatment Engineer Position Details: Full‑time Location: Burnaby, BC Work model: Hybrid Compensation: CAD 170,000 - 240,000 per year Key Responsibilities: Lead the modeling and simulati ...

Lead QA Engineer Test Automation

Talent Acquisition Associate @Integriti | Connecting leading experts with Fortune 500 clients Contract-to-Hire | Initial Duration: 3 to 6 Months About the Role We are seeking an experienced Lead QA Engineer (Test Automation) to join our Fortune 500 client’s Team in North ...

Senior Lead Airfield Electrical Engineer

Senior Lead Airfield Electrical Engineer Join to apply for the Senior Lead Airfield Electrical Engineer role at Stantec Your Opportunity In the capacity of Senior Lead Airfield Electrical Engineer, you will interface directly with clients and stakeholders to effective ...

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 ...

Senior eVTOL Aerostructures Lead Engineer

An aerospace company in Ontario seeks a Senior Design and Aerostructures Engineer to lead mechanical and structural development for eVTOL aircraft. The ideal candidate will have over 5 years of experience in aerospace structural systems, with strong problem-solving skills and hands-on design experience. This rol ...

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 sys ...

Lead Substation Electrical Design Engineer

A leading engineering firm in Calgary is seeking a Senior Electrical Engineer to oversee design projects across various sectors including healthcare and industrial facilities. The ideal candidate will have 8–12 years of experience, lead project teams, ensure compliance with safety and engineering standards, and ...

Stormwater Engineer — Lead Projects & Innovation

A leading engineering firm in Calgary is looking for an Intermediate Stormwater Engineer to manage and deliver innovative solutions in stormwater management. The role requires a strong background in engineering, excellent project management skills, and a deep understanding of stormwater practices and regulations ...

Lead Graphics & AI Diagnostics Engineer

A leading semiconductor firm based in Markham, ON is seeking a candidate for a technical leadership role in developing diagnostics applications for AI and graphics. Responsibilities include leading a team to ensure excellence from pre-silicon through deployment, defining testing roadmaps, and collaborating with ...

Lead Python Full Stack Engineer

Responsibilities Develop 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 l ...

Lead Mechanical Engineer Hydropower Auxiliaries

Une entreprise leader dans le secteur énergétique à Brossard recherche un ingéieur(e) principal(e) en mécanique pour diriger la conception d'unités hydrauliques. Le candidat idéal possédera une expérience significative en dimensionnement d'équipements mécaniques, sera à l'aise en anglais et en français, et repré ...

Lead Process Engineer – Water & Wastewater

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 facility design with project management responsibilities, including client engagement and delivery oversight. You’ll work on impactful projects, ...

Principal / Lead Structural Engineer, Nuclear

Principal / Lead Structural Engineer, Nuclear Join to apply for the Principal / Lead Structural Engineer, Nuclear role at Worley. Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value ove ...

Lead Systems Engineer, Launch Program

Role Purpose The 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 requirement ...

Senior Engineer (Project Electrical Lead)

Senior Engineer (Project Electrical Lead) Canada About Us About you: 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 – f ...

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