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

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Lead ServiceNow QA Engineer in Toronto

Lead the ServiceNow QA efforts at Scotiabank as a QA Engineering Practice Lead in Toronto. Be part of an inclusive team dedicated to implementing quality across all ServiceNow projects.In this pivotal role, you will define the QA practice vision and lead both manual and automation testing processes on the Se ...

Lead Data Engineer at CI Financial

Become a pivotal part of CI Financial as a Senior Data Engineer, focusing on building robust data pipelines and solutions that enhance business metrics. This role mandates on-site collaboration within the Data, AI & Analytics Team.With over eight years of experience, you will lead the design and optimization ...

Lead Data Engineer en Solutions Cloud

Apportez votre expertise en tant que Lead Data Engineer, responsable des solutions de données sur AWS et Azure. Vous assurerez la qualité et la sécurité des données tout en guidant une équipe technique.Ce rôle requiert une solide expérience de 7 à 10 ans en ingénierie des données. Vous serez en charge de pil ...

Finance Data Platform Lead Data Engineer

Step into a pivotal role as Lead Data Engineer in the Finance Data Platform team at Global Functions Technology. You'll lead the development of critical data solutions utilizing cloud infrastructure.In this role, you will be responsible for developing and supporting data pipelines, and improving processes to ...

Lead Geotechnical Engineer for Innovative Solutions

Step into a pivotal role as a Senior Geotechnical Engineer. Deliver impactful projects using advanced tools while upholding technical excellence in your work.In this role, you will provide technical leadership and manage a diverse array of geotechnical projects. Immerse yourself in client engagement while me ...

Senior Geotechnical Engineer, Pipelines & Field Lead

A specialized consulting firm is seeking a Senior Geotechnical Engineer with expertise in pipelines to join their team in Edmonton. The ideal candidate will have 10 to 15 years of experience and a strong educational background in Civil or Geological Engineering. Responsibilities include providing technical suppo ...

Water & Wastewater Project Engineer – Lead Design

A leading engineering company in Dartmouth seeks a consulting engineer specializing in water/wastewater projects. This position involves managing complex municipal systems and mentoring team members. Candidates should have a relevant engineering degree and at least 5 years of experience in the industry, with a P ...

Lead Satellite Design Engineer at MDA

Elevate your career with MDA Space as a Lead Satellite Design System Engineer focused on remote sensing and communications technologies. Join a top-tier team in a pivotal aerospace role.MDA Space is on the lookout for a Satellite Design System Engineer to enhance their innovative projects. This position invo ...

Lead Engineer for Trading Research Systems

Step into a leadership role at Whistler Trading as a Lead Engineer focused on research systems in Surrey, BC. Combine your technical expertise in Rust and Python while guiding junior engineers.This Senior Software Engineer position emphasizes hands-on development and technical mentoring within the trading re ...

Lead Instrumentation & Controls Engineer 1 Nuclear

Description Nuclear Power is a carbon-free energy source. Our electric power generation clients in both Canada and US, are digitizing their existing power plants and building new nuclear power plants, small modular reactors (SMR). This is expanding work in the Instrumentation and Controls Enginee ...

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 Web Platform Engineer Technical Strategy

Join as a Lead Web Platform Engineer and drive technical strategy for web architecture. Enhance performance, scalability, and developer tooling for our core applications.In this role, you'll take charge of defining the architecture and standards necessary for the ongoing evolution of our web platform. You wi ...

Lead Highway Engineer at Egis Canada

Take charge of highway design projects with Egis Canada as a Lead Highway Engineer. Enhance your career by leading talented teams and ensuring successful project delivery.As a Lead Highway Engineer, you will guide the design team in preparing vital documentation for the Ministry of Transportation’s highway p ...

Lead Engineer in Electrical Systems Design

Drive innovation as the Lead Engineer in Electrical Systems Design with Egis Canada, spearheading the development of cutting-edge electrical solutions for infrastructure projects. This position prioritizes compliance, teamwork, and mentorship.As the Lead Engineer, you will coordinate all phases of electrical ...

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 ...

Regina Lead Maintenance Engineer (Electrical & Mechanical)

Join a leading role in maintenance engineering as the Lead Maintenance Engineer in Regina, SK. Focus on Electrical and Mechanical sectors while implementing strategic engineering solutions.This role offers the opportunity to lead maintenance activities, provide technical guidance, and mentor junior engineers ...

LEAD SPECIALIST MINING ENGINEER CORP. DEV.

About Gold Fields Gold Fields is a globally diversified gold producer with operations in Australia, South Africa, Ghana, Peru, Canada and Chile. At Gold Fields, we are committed to building an inclusive workforce and recognize that the diversity of our employees’ talents is a key driver of our gr ...

Machine Learning Lead Engineer at Providius

Transform the landscape of machine learning at Providius in Hamilton, Ontario. As a Machine Learning Lead Engineer, you will work hands-on to build and refine ML solutions for real-world applications.Within this role, you will take charge of establishing the machine learning function from inception. Collabor ...

Data Engineer Technology Lead Azure Databricks

Transform the digital landscape with Infosys as a Technology Lead specializing in Azure Databricks. Your expertise will guide innovative data engineering solutions in a global delivery model.As a Technology Lead, your role involves consulting with key stakeholders and implementing best practices in the techn ...

Lead Hydrotechnical Engineer for River Systems

Drive impactful water resource initiatives as a Lead Hydrotechnical Engineer. Specialize in designing river systems and improving water infrastructure to meet community needs.You will lead projects aimed at enhancing flood resilience and protecting vital water habitats. Your expertise in hydraulic modeling a ...

Lead Cloud Infrastructure Engineer at Kinaxis

Elevate your career as a Lead Cloud Infrastructure Engineer at Kinaxis, located in Ottawa or Toronto, Canada. Drive innovation in cloud architectures while fostering a collaborative team environment.At Kinaxis, we pride ourselves on tackling significant supply chain challenges through cutting-edge cloud solu ...

Lead ML Engineer in Systems Architecture

Architect large-scale ML platforms with Autodesk as a Lead ML Engineer, focusing on cutting-edge systems architecture in a remote role. Your work will shape the future of machine learning.This senior role offers the opportunity to own significant technical initiatives related to ML infrastructure and data sy ...

Lead Security Engineer Manager at EvenUp

Step into the Lead Security Engineer Manager role at EvenUp, spearheading their security initiatives in a hybrid work environment. Drive compliance and enhance product security.In this role, you will be instrumental in defining EvenUp’s security roadmap and leading a dynamic security team. You will ensure co ...

Lead Cloud Infrastructure Engineer at Kinaxis

Elevate your career as a Lead Cloud Infrastructure Engineer at Kinaxis, located in Ottawa or Toronto, Canada. Drive innovation in cloud architectures while fostering a collaborative team environment.At Kinaxis, we pride ourselves on tackling significant supply chain challenges through cutting-edge cloud solu ...

Lead Application Security Engineer at Thumbtack

Drive application security advancements at Thumbtack as a Lead Application Security Engineer. Optimize secure practices while ensuring innovation accelerates through embedded security.In this pivotal role within Thumbtack’s Security Engineering team, your mission will focus on constructing secure foundations ...

Lead Control Systems Engineer at Vista

Become a Lead Control Systems Engineer with Vista, steering project design and implementation in the energy sector. Your leadership will foster innovation and ensure compliance with all technical standards and specifications.In this significant position, your expertise will shape the successful execution of ...

Lead Staff Engineer in Generative AI

Step into the role of Lead Staff Engineer in Generative AI to create scalable AI applications that leverage cutting-edge cloud technologies. Drive innovation and engineering excellence within our team.With 8-15 years of software engineering experience, you will be a senior contributor responsible for buildin ...

Lead Architectural Engineer at Compass Digital

Become a Lead Architectural Engineer at Compass Digital and lead technical projects in a hybrid work setting. This role emphasizes technical leadership and team empowerment.As a Senior Manager in Architecture, your work will deeply integrate with engineering operations and team management. You will oversee a ...

Senior Controls Engineer: PLC & Automation Lead

A leading food and beverage company in Mississauga seeks a Controls and Automation Engineer to provide operational and project support within the plant. This role involves designing and maintaining PLC systems and improving productivity through continuous improvement methodologies. The ideal candidate will have ...

Lead ML Engineer in Systems Architecture

Architect large-scale ML platforms with Autodesk as a Lead ML Engineer, focusing on cutting-edge systems architecture in a remote role. Your work will shape the future of machine learning.This senior role offers the opportunity to own significant technical initiatives related to ML infrastructure and data sy ...

Lead Android Engineer for WeightWatchers App

Lead the development of the WeightWatchers app as a Lead Android Engineer. Your expertise in app development will enhance user experiences and support health journeys.We seek a passionate engineer with over 12 years of experience in Android development, particularly with Kotlin and modern UI frameworks. This ...

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 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 ...

Lead Process Engineer Role at Aramco

Take a leading role as a Process Engineer with Aramco, where your expertise will drive efficiency and safety in critical upstream operations. This senior position requires a strategic mindset and innovation.In the Producing Business Support Division, you will play a vital role in supporting technical integri ...

Senior iOS Engineer — Tech Lead & Architecture

A leading bank in the Americas is seeking a Senior iOS Developer to join their Toronto team. The ideal candidate will have over 5 years of iOS development experience using Swift 5 and XCTest, with strong knowledge in UIKit and Auto Layout. Responsibilities include analyzing complex requirements, providing techni ...

Lead Data Engineer (contrat 6+ mois)

Nous sommes présentement à la recherche d’un Lead DataEngineer pour un contrat d'une durée de 6+ mois avec possibilité de renouvellement. Responsabilités Diriger la conception et le développement de solutions de données en environnements cloud (AWS, Azure). Assurer la qual ...

Lead Electrical Project Engineer Power Systems

Oversee electrical engineering projects from design through closure. Ensure high-quality outputs while fostering collaborative relationships with stakeholders in a fast-paced environment.As a Lead Electrical Project Engineer, you will execute and manage project activities, ensuring compliance with safety and ...

Lead Engineer for Water & Wastewater Projects

Facilitate innovative water solutions as a Project Manager in water and wastewater sectors. This hybrid position offers the chance to manage significant projects impacting community health.As a Project Manager, you’ll lead teams through the stages of project development in facilities, focusing on both constr ...

Lead Firmware Engineer for Smart Devices

Lead the way as a Firmware Engineer dedicated to the development of smart surveillance devices. Focus on interactive hardware and firmware design within a collaborative hybrid work atmosphere.This position requires a minimum of 8 years in firmware development, emphasizing low-level system architecture and in ...

Lead DevSecOps Engineer in Security Architecture

Transform your career as a Lead DevSecOps Engineer, focusing on security architecture and automation within cutting-edge technologies. Create and implement security strategies for applications and infrastructure.In this pivotal role, you will lead initiatives that promote a security-centric approach across t ...

Onsite QC Engineer — Lead Inspections & Lean

A professional engineering firm in Fredericton is seeking a qualified individual for a full-time role involving supervision of engineers and technicians. Responsibilities include developing quality assurance programs, analyzing production costs, and conducting inspections. The successful candidate will possess s ...

Lead QA Automation Engineer Energy Focus

Transform the energy landscape as a Senior QA Automation Engineer, specializing in comprehensive test automation. Drive performance enhancements and establish robust frameworks to ensure high-quality software delivery.This leadership role involves developing automated testing strategies covering functional, ...

Lead Engineer for Client Systems Strategy

Drive impactful client systems strategies as a Lead Engineer. Oversee special projects and contribute to shaping future systems through strategic planning and cross-functional collaboration.This role is essential for any senior engineer interested in influencing architectural decisions that affect multiple p ...

Lead NPI Test Engineer for Semtech

Take the lead as an NPI Test Engineer at Semtech and shape the future of mixed-signal test solutions. Focus on high-performance product testing and innovation.As a Lead NPI Test Engineer, you will be at the forefront of creating and implementing test strategies for Semtech’s advanced mixed-signal portfolio. ...

Lead Engineer for Windows/Desktop Applications

Join Speechify as a Lead Engineer for Windows/Desktop applications and innovate solutions that enhance accessibility. Focus on building high-performance desktop software for millions.At Speechify, our mission is to make reading accessible to everyone. As a Lead Engineer, you'll engineer Windows desktop appli ...

Project Coordinator / Project Engineer Lead, Industrial

Ledcor Industrial is more than a contractor—we’re a powerhouse delivering fully integrated construction and maintenance solutions across some of Canada’s largest and most complex industrial projects. From concept through completion, we bring projects to life with unmatched technical depth and a True Blue c ...

Lead AI Engineer Agentic & LLM Platforms

A leading AI technology company in Calgary seeks an experienced AI Engineering Lead to spearhead the design and implementation of advanced AI solutions. This role involves collaborating with cross-functional teams, optimizing AI architectures, and driving impactful AI projects. Ideal candidates will have strong ...

Lead Structural Design Engineer: Codes & Compliance

A leading manufacturing company in Port Hope is looking for a Design Engineer. You will provide design expertise in compliance with building codes while managing projects. The ideal candidate will have a Civil Engineering degree and be a licensed Professional Engineer in Ontario, with strong leadership and commu ...

Senior Geotechnical Engineer Lead Complex Projects

A leading consulting firm in Canada is looking for a Geotechnical Engineer to manage complex projects and mentor junior staff. The ideal candidate should have at least 10 years of experience, strong skills in soil mechanics and project management, and be registered as a Professional Engineer in BC or Alberta. Th ...

Senior Geotechnical Engineer Lead Projects & Mentorship

A leading consulting firm in Vancouver is seeking a Geotechnical Engineer to lead complex engineering projects. The position requires a minimum of 10 years of experience, strong knowledge in geotechnical principles, and the ability to manage client relationships effectively. The ideal candidate will mentor junio ...

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