685,598+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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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 ...

Lead Project Engineer Nussir Project Opportunity

Blue Moon Metals is hiring a Senior Project Engineer for the Nussir Project in Northern Norway, focusing on engineering project oversight and strategic management. Your technical skills will guide the successful delivery of projects company-wide.Located in Toronto with potential relocation, you will ma ...

Lead iOS Development Engineer at WeightWatchers

Elevate the WeightWatchers iOS app as a Lead iOS Development Engineer. This position is remote-friendly and focused on creating engaging features to enhance member experiences.In this role, you will leverage your extensive iOS expertise to drive innovation within the WeightWatchers app. Collaborating w ...

Lead Backend Engineer for Streaming Ads

Lead the charge in backend engineering for streaming ad technologies. Focus on creating efficient ad media processing platforms while ensuring system reliability and performance.As a Lead Backend Engineer, your role centers on developing scalable services that manage ad creatives from transcoding to de ...

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 ...

Lead Platform Engineer for Infrastructure Development

Advance our internal platform as a Lead Platform Engineer. Spearhead architecture, develop automation strategies, and elevate our engineering teams' efficiency and productivity in a flexible work setting.This influential role centers on shaping the architecture of the developer platform to support the ...

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 functi ...

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 mult ...

Lead Engineer for Search Platform Development

Take charge of search platform innovations as a Senior Software Engineer. Develop cutting-edge solutions leveraging AI, while ensuring high-quality software operations and infrastructure stability.In this role, you'll have the autonomy to design and implement key components of the search platform. Your ...

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 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 safe ...

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 ...

Senior Staff Engineer Lead Salesforce Developer

Senior Staff Engineer - Lead Salesforce DeveloperFull-timeService Region: UCCWe are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work on a scale across all devices and digital m ...

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 ac ...

Lead Frontend Engineer in Legal Innovation

Drive innovation as the Lead Frontend Engineer at the forefront of legal technology. This hybrid role is your chance to shape user experiences that bridge gaps for victims seeking justice.You will be instrumental in architecting the next generation of our integration systems within a dynamic engineerin ...

Senior Civil Engineer – Transit Design Lead

OverviewSenior 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 experienc ...

Lead Safety Engineer in Aerospace Innovation

Drive safety and reliability in next-gen eVTOL aircraft as a Senior Safety & Reliability Engineer. Your expertise will shape advanced safety protocols and ensure compliance with industry regulations.In this leading role, you'll work closely with engineering teams to create safety-critical systems adher ...

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-function ...

Lead Project Engineer for Capital Initiatives

Direct major capital initiatives as Lead Project Engineer, focusing on engineering governance and cross-functional collaboration to ensure project success.This pivotal role encompasses responsibilities for managing the owner’s engineering team and collaborating with specialists on complex projects. You ...

Lead Engineer in Pipe Stress Analysis

Join as a Lead Engineer specializing in Pipe Stress Analysis. Direct technical strategies and perform in-depth stress evaluations using CAESAR II and related tools.In this senior engineer role, you'll lead and supervise stress analyses on complex piping systems. You'll establish acceptance criteria and ...

Lead Frontend Engineer in Technology Modernization

Step into a lead role as a Frontend Engineer focusing on technology modernization. Bring your expertise in building client applications with a strong emphasis on scalability and performance.You will drive both frontend development and orchestration standards, playing a critical role in enhancing existi ...

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 acr ...

Lead Backend Engineer for Developer Tools

Serve as a Lead Backend Engineer specializing in Developer Tools. Focus on optimizing developer experience by enhancing CI/CD processes and modernizing testing frameworks across teams.This role involves significant hands-on coding in Ruby and Go, influencing engineering practices, and spearheading impr ...

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-function ...

Lead Engineer for Electrical Design Projects

Excel as the Electrical Engineering Lead for transformative capital projects. Define design requirements, oversee engineering teams, and validate safety and efficiency in electrical systems across projects.In this advanced role, you will act as the internal expert, guiding electrical engineering effort ...

Lead Electrical Engineer for Building Projects

Drive success as a Senior Electrical Engineer, specializing in building systems. Take charge of technical teams and enhance project delivery through your expert leadership.This senior position will leverage your extensive electrical engineering experience to oversee complex projects. You'll manage dive ...

Lead Engineer for Water Management Systems

Step into the role of Senior Municipal Engineer and impact community water infrastructure. Utilize your engineering expertise in a flexible, hybrid work arrangement to address modern challenges.Leading projects across storm and sanitary conveyance, you will design systems that meet rigorous environment ...

Lead Engineer for Water Management Systems

Step into the role of Senior Municipal Engineer and impact community water infrastructure. Utilize your engineering expertise in a flexible, hybrid work arrangement to address modern challenges.Leading projects across storm and sanitary conveyance, you will design systems that meet rigorous environment ...

Lead Structural Engineer for Nuclear Systems

Drive excellence in structural engineering as a Lead Structural Engineer. Focus on project deliverables, compliance checks, and strategic analysis in the nuclear power sector and industrial frameworks.This position calls for 10+ years of in-depth structural analysis and design expertise specific to nuc ...

Lead Engineer for Water Management Systems

Step into the role of Senior Municipal Engineer and impact community water infrastructure. Utilize your engineering expertise in a flexible, hybrid work arrangement to address modern challenges.Leading projects across storm and sanitary conveyance, you will design systems that meet rigorous environment ...

Lead Engineer in CANDU Feeder Analysis

Shape the future of nuclear engineering as a Lead Engineer in Feeder Analysis. Leverage your technical expertise to provide guidance and technical solutions for feeder systems across multiple CANDU projects.This role demands a robust background in mechanical engineering with significant industry experi ...

Lead ICSS & SCADA Engineer at WSP

Take charge as a Lead ICSS & SCADA Engineer at WSP, focusing on enhancing critical infrastructure across energy and transportation sectors. Your role will be pivotal in ensuring operational safety and performance.This senior leadership position calls for a skilled engineer with a proven track record of ...

Lead ICSS & SCADA Engineer at WSP

Take charge as a Lead ICSS & SCADA Engineer at WSP, focusing on enhancing critical infrastructure across energy and transportation sectors. Your role will be pivotal in ensuring operational safety and performance.This senior leadership position calls for a skilled engineer with a proven track record of ...

Silicon Validation Lead – Principal Engineer 14511

Location: Open to hiring in Ottawa and/or in the Toronto Markham/Missis suga MarketsWe Are: At Synopsys, we drive innovations that shape the way we live and connect. Our technology powers the Era of Pervasive Intelligence, leading in chip design, verification, and IP integration. Join us to transform t ...

Lead Mechanical Engineer for Conveyor Systems

Join BEUMER Group as a Lead Mechanical Engineer specializing in conveyor systems. Drive successful project outcomes from conceptual design to final commissioning in a supportive team environment.This Senior Mechanical Engineering role involves leading efforts focused on bulk material handling and conve ...

Lead Electrical Engineer Arctic Buildings Projects

Job Description Build the Future with Us – This is your chance to shape some of Canada’s most complex and nationally significant infrastructure programs. As a Senior Electrical Engineer – Major Building Projects, you will play a pivotal role in advancing large‑scale defence, institutional, industrial, and Arctic ...

Lead Generative AI Engineer Manager, SVP

About the RoleWe 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 value across all ...

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 elec ...

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. ...

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. Co ...

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 eng ...

Geotechnical Engineer (Intermediate) — Lead, Innovate & Mentor

A global engineering consulting firm in Edmonton is seeking an experienced Intermediate Geotechnical Engineer (P.Eng.) to lead projects and mentor junior staff. The successful candidate will manage diverse geotechnical projects, engage with clients to deliver tailored solutions, and work in an innovative environ ...

Senior Optics Engineer — Quantum Systems Lead

A leading technology company in Metro Vancouver seeks a Principal Engineer in Optics Engineering to drive innovative optical solutions for quantum computing. In this full-time role, you will define optical design flows and lead cross-functional teams. Applicants should have a Master's or Doctoral degree and over ...

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