680,140+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead Mechanical Engineer, Power Plant Design

Elevate your career as a Lead Mechanical Engineer with WSP’s Energy team, focusing on sustainable power generation including hydrogen and biomass technologies. Drive innovative design and teamwork in your role.In this senior position, you will lead the design work across various power plant technologies, uti ...

Lead AI Engineer Innovative Data Systems

Elevate your career as the Lead AI Engineer at Upwork, focused on building robust AI systems that drive business insights and data-driven decision-making. Work in a hybrid environment and make a tangible impact.In this key role on the Data Platform & Services team, you will bridge your data engineering profi ...

Lead kdb+ Engineer at Data Intellect

Take charge of high-performance kdb+ solutions with Data Intellect. This senior engineering role focuses on scalable architectures and impactful data-driven finance.As a Senior kdb+ Engineer, you will design and implement robust systems for top-tier financial clients. You will oversee technical delivery, ens ...

Lead Engineer for Public Markets Technology

Empower public market strategies at CPP Investments as a Lead Software Engineer focusing on technology solutions. Contribute to sustainable growth through innovative engineering practices. As a key member of the Capital Markets and Factor Investing Technology team, you will be responsible for the technical ...

Lead Geotechnical Engineer Opportunity in BC

Shape the future of geotechnical engineering in Abbotsford as a Senior Geotechnical Engineer. Mentor junior staff while managing diverse projects within a collaborative firm environment.You will be joining a consulting firm with a longstanding reputation in geotechnical services. This role focuses on client ...

Lead Instrumentation Engineer – Industrial Automation & Control

A leading engineering firm in Canada is seeking a Senior Instrumentation Engineer to manage the lifecycle of instrumentation design deliverables for major industrial energy projects. Candidates should have over 10 years of experience in the field, including a minimum of 5 years in a lead role. This role fosters ...

Senior Waste & Groundwater Engineer — Lead Compliance

A leading engineering firm in Ontario is looking for an Environmental Engineer who will work on complex groundwater challenges and advance environmental science through collaborative projects. The role requires 7-15 years of environmental consulting experience and a degree in civil or related engineering. You'll ...

Lead Systems Engineer Architect Scalable Solutions

A disruptive mining technology company is seeking a technical lead to oversee the commissioning of advanced hardware systems. The ideal candidate will possess over 10 years of experience in industrial systems and will be responsible for integrating various subsystems. Strong knowledge of control systems and effe ...

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 Mechanical Engineer for Power Generation

Shape the future of power generation as a Senior Mechanical Engineer. Guide project teams in utility, industrial, and institutional sectors while ensuring technical excellence and compliance.As the Senior Mechanical Engineer, you will spearhead mechanical design work and collaborate with cross-functional eng ...

ADMS Lead Engineer: Systems & SCADA Delivery

A leading engineering solutions provider is seeking an experienced ADMS Lead in Calgary, Alberta, to guide key technical solutions and ensure successful implementation across multiple projects. The ideal candidate will possess extensive knowledge of ADMS or OMS workstreams, along with proven experience with majo ...

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 ...

Lead ASIC Verification Engineer HBM Focus

Become a Lead ASIC Verification Engineer at Synopsys, focusing on high-performance HBM solutions. Take on challenges that drive the future of AI and computing technology.In this role, you will lead verification processes for ASIC designs, employing advanced methodologies. With a strong background in digital ...

Lead Engineer, Data Enablement, Data Platforms

**Make an impact at a global and dynamic investment organization**When you join CPP Investments, you are joining one of the world’s most admired and respected institutional investors. As a professional investment management organization, CPP Investments invests the funds of the Canada Pension Plan (CPP) to help ...

Senior Geotechnical Engineer — Lead Projects & Teams

A leading engineering firm in Calgary is seeking a Senior Geotechnical Engineer to provide support on diverse projects. The ideal candidate will have over 12 years of relevant experience and a strong background in technical leadership. Responsibilities include mentoring staff, managing projects, and ensuring qua ...

Senior Geotechnical Engineer — Lead Projects & Field

A leading engineering company in Calgary is seeking a Senior Geotechnical Engineer to join their team. The role involves providing technical leadership on diverse engineering projects while ensuring quality and compliance with local standards. The successful candidate will possess a strong background in geotechn ...

Senior Industrial HVAC Engineer — Lead Projects

A multi-disciplinary engineering firm in Metro Vancouver is seeking a Senior HVAC Engineer to manage design projects and ensure compliance with safety standards. You will mentor junior engineers, collaborate with clients and internal teams, and support the construction of HVAC systems for various industrial buil ...

Senior Civil & Structural Engineer — Lead Design

A leading engineering firm in Calgary is seeking a Senior Civil Structural Engineer to lead and execute engineering design for industrial and energy projects. The ideal candidate will have a Bachelor’s degree in Civil or Structural Engineering, 10+ years of experience, and a P.Eng. designation. Key responsibilit ...

Senior Geotechnical Engineer: Lead Projects & Mentorship

A consulting engineering firm in Edmonton, Alberta, is seeking a Senior Geotechnical Engineer. The ideal candidate will manage diverse geotechnical projects, train junior staff, and ensure high-quality service delivery. Candidates should possess a graduate degree in engineering and at least 10 years of consultin ...

Lead Cloud Engineer for Production Systems

Supercharge cloud operations as a Senior Systems Engineer. Spearhead AWS infrastructure design while mentoring the team and optimizing operational processes across the platform.As part of a dedicated Systems Engineering team, you'll construct and manage resilient cloud services that support thousands of user ...

Lead Cloud Data Engineer at Egen

Lead innovative data engineering efforts at Egen as a Cloud Data Engineer. Leverage Google Cloud and Spark to create impactful data pipelines and analytics solutions.Egen, an entrepreneurial tech hub, seeks a Lead Cloud Data Engineer to spearhead initiatives in data processing and analytics. You will archite ...

Lead Embedded Firmware Engineer (Matter) Contractor

About Very Very is a fully distributed technology firm led by expert problem‑solvers who create efficient, scalable solutions that move commercial, industrial, and consumer products from pilot to production in record time. We believe that real innovation happens in the grind — working sho ...

Water Resources Engineer Hydrology & Modeling Lead

A leading consulting firm in the Vancouver area seeks a Water Resources Engineer to work on water balance models and load balance assessments for mining sites. The role involves reviewing technical documents, managing data collection, and mentoring junior staff. Candidates should have at least 5 years of consult ...

Lead Data Engineer (contrat 6+ mois)

Job Description Nous sommes présentement à la recherche d’un Lead Data Engineer pour un contrat d'une durée de 6+ mois avec possibilité de renouvellement. MANDAT • Diriger la conception et le développement de solut ...

Lead DevOps Engineer Position in Toronto

Transform your career at Align as a Senior DevOps Engineer in Toronto, Canada. Focus on CI/CD automation, tooling, and infrastructure in a challenging full-time role.The ideal candidate will possess over 8 years of experience in DevOps, contributing to software quality assurance and development processes. Yo ...

Lead Salesforce CRM Engineer at McKesson

Shape the future of CRM with McKesson Canada as a Lead Salesforce Engineer. Ensure high-quality, robust solutions in Sales and Service Cloud environments.In this strategic role, you’ll drive the design and implementation of Salesforce CRM solutions within the organization. Collaborate closely with product te ...

Lead Engineer in Grid Automation Support

Join the Global Customer Support team as a Lead Engineer specializing in grid automation. This role emphasizes technical leadership and customer interaction, driving excellence in protection application engineering.As part of the team, you'll focus on providing Level 3 technical support for products like Sta ...

Lead Security Engineer – AI Vulnerability Management

Practice - CIS - Cloud, Infrastructure, and Security Services About Cloud Infrastructure & Security Services: Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about embracing digital transformation by driving core modernization holistically across layers. We help cu ...

Senior QA Engineer: Cloud Transformation Lead

Join Raise as a Senior QA Automation Engineer in a hybrid role based in Toronto, ON. This position involves hands-on leadership in enterprise-scale cloud projects and digital delivery initiatives.We seek a skilled technology professional with extensive experience to support modernization efforts. You will pl ...

Lead Data Platform Engineer at Marqeta

Join Marqeta as a Lead Data Platform Engineer to elevate our data infrastructure. This remote engineering role focuses on building and enhancing the data platform that supports our ML organization.In this senior engineering position, you will take ownership of critical platform components, such as lakehouse ...

Lead Network Engineer at Palmer Station

Elevate your career as a Lead Network Engineer with the National Science Foundation at Palmer Station, Antarctica. You will ensure network reliability and provide user support within a vital research facility.This full-time role requires U.S. citizenship or permanent resident status. As a Lead Network Engine ...

Lead Application Security Engineer at BMO

Drive security excellence at BMO as a Lead Application Security Engineer in a hybrid setup. Focus on static application security testing and enhancing secure coding across development teams.In this role, you’ll lead SAST operations and engage with key stakeholders to ensure alignment with security objectives ...

Lead Machine Learning Engineer at Quincus

Harness your expertise as a Lead Machine Learning Engineer at Quincus to transform logistics through AI innovation. Focus on developing and deploying scalable deep learning models.Quincus is revolutionizing the supply chain with advanced technology solutions. We are looking for a dynamic Machine Learning Eng ...

Lead Engineer for AI Model Infrastructure

Step into the role of Lead Engineer focusing on building AI model infrastructure. Harness GPU resources and create self-service platforms to enhance AI deployment capabilities.As a Lead Engineer, your responsibilities include designing and operating GPU infrastructures tailored for diverse AI model use ...

Lead Backend Engineer in Cloud Architecture

Excel as a Lead Backend Engineer focused on cloud architecture and adaptive telemetry, fully remote. Drive technical strategy, lead large cross-functional projects, and enhance operational readiness with strong coding practices.In this role, you'll define the roadmap and lead large initiatives, ensurin ...

Lead Data Quality Engineer at Aviva

Aviva seeks a Lead Data Quality Engineer to guide our QA to QE transformation. Embrace a hybrid work setup while driving data quality initiatives across cutting-edge platforms.This senior role focuses on leading Data Quality Engineering within Aviva's data ecosystem. Your collaboration with engineering ...

Lead Structural Engineer and Company President

Become a pivotal leader as a Lead Structural Engineer and President of the firm. Champion technical strategies, guide policy, and support the growth of engineering talent.In this executive-level role, you will oversee technical excellence and contribute significantly to the firm's success. Your guidanc ...

Lead Monitoring Engineer at WSP Markham

Shape the future with WSP as a Lead Monitoring Engineer in Markham. Leverage your technical expertise in instrumentation systems for successful project delivery.WSP is offering a full-time opportunity for a Senior Instrumentation and Monitoring Engineer in their Markham office. You'll provide essential ...

Lead ASIC Verification Engineer HBM Focus

Become a Lead ASIC Verification Engineer at Synopsys, focusing on high-performance HBM solutions. Take on challenges that drive the future of AI and computing technology.In this role, you will lead verification processes for ASIC designs, employing advanced methodologies. With a strong background in di ...

Lead Automation Engineer Role at Cytiva

Take the helm as a Lead Automation Engineer at Cytiva, focusing on designing sophisticated automation systems. Leverage your expertise in PLC programming within an innovative R&D framework.Cytiva seeks an experienced engineer to design and implement automation solutions from the ground up. You’ll need ...

Lead Mechanical Engineer – Hydro Generator Design

Une entreprise de technologie de l'énergie recherche un ingénieur en chef en mécanique des alternateurs. Le candidat sera responsable de la conception de composants mécaniques des générateurs hydroélectriques et devra fournir un soutien technique pour les activités liées aux générateurs. Le rôle exige également ...

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 ...

Lead Electrical Engineer Arctic Buildings Projects

Lead Electrical Engineer - Northern Buildings ProjectsCanada Job DescriptionBuild the Future with Us– This is your chance to shape some of Canada’s most complex and nationally significant infrastructure programs. As aSenior Electrical Engineer – Major Projects , you will p ...

Lead Electrical Engineer for Substation Projects

Elevate your career with Stantec as a Senior Substation Physical Electrical Engineer in Burnaby, BC. Focus on high-voltage substation design while collaborating in a dynamic team environment.This position is tailored for engineers skilled in substation design across 25kV to 500kV systems. You will lead ...

Lead Geotechnical Engineer for WSP Projects

Join WSP's Ground Engineering team as a Senior Geotechnical Engineer in Northern Ontario. This leadership position focuses on managing complex projects while fostering collaboration and innovation.In this role, you will direct geotechnical engineering initiatives from start to finish, ensuring both tec ...

Lead Senior Engineer in Stress Integration

Step into a leadership role in Stress Integration with Aerospace Canada. As a Senior Engineer, you will ensure quality and compliance in aerospace structures through partnership with Structural Suppliers.Aerospace Canada is seeking a skilled Senior Engineer specializing in Stress Integration and offeri ...

Lead Backend Systems Engineer at Noetica

Step into a key role at Noetica as a Lead Backend Systems Engineer, focusing on building powerful APIs in a hybrid work setting. Help shape our transformative legal document analysis tools.Your expertise will drive the development of backend systems that are critical to our document analysis platform. ...

Vista Projects Lead Process Engineer Role

Shape the future of energy projects as Lead Process Engineer at Vista Projects in Calgary. This pivotal role focuses on leading multi-disciplinary teams to deliver complex and innovative engineering solutions.In this Mid-Senior level role, the Lead Process Engineer will take charge of project managemen ...

Lead Engineer for Generative AI Solutions

Empower a team of engineers and data scientists as the Lead Engineer for Generative AI Solutions. Drive the design and execution of complex AI systems while fostering technical excellence.In this pivotal role, you will translate intricate business requirements into actionable technical solutions. Your ...

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