1,718,931+ Lead Full Stack Javascript Engineer Jobs in Canada — Top Companies Hiring June 2026

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Lead Engineer, Boiler House Operations

Drive operational excellence as Lead Engineer, Boiler House. Manage the safe and compliant operation of boiler systems, focusing on maintenance, training, and efficiency improvements.This position requires strong leadership and technical skills to ensure all boiler equipment operates safely and effectively. ...

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 ...

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 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 ...

Lead Software Engineer, Integrations (Hybrid)

A leading EdTech company in Toronto is seeking a Software Developer Team Lead. In this full-time position, you will lead engineering efforts to develop tools simplifying integrations with schools. The ideal candidate will have excellent Java programming skills and a Bachelor's degree in Computer Science. This ro ...

Mechanical Engineer: Design & Prototyping Lead

Shape the future of medical technology as a Mechanical Engineer focused on design and prototyping. Work in a hybrid setup, driving the development of innovative devices for atrial fibrillation.In this highly impactful role, you will contribute to the design and manufacturing processes of medical devices, ens ...

Lead Protection and Control Engineer

Advance your career as a Lead Protection and Control Engineer at CIMA+. Work on exciting projects that shape the future of energy solutions in a supportive environment.CIMA+ is expanding, seeking a Lead Protection and Control Engineer to drive innovation in electrical energy projects in Western Canada. You'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 Civil Engineer Nuclear Focus

Explore a lead role at AtkinsRéalis as a Senior Civil Engineer focusing on nuclear projects in Ontario. Drive engineering excellence through structural analysis and innovative design methodologies.Candu Energy seeks experienced professionals for full-time Senior Civil Engineer positions in Mississauga and Ot ...

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 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 ...

Lead Protection and Control Engineer

Advance your career as a Lead Protection and Control Engineer at CIMA+. Work on exciting projects that shape the future of energy solutions in a supportive environment.CIMA+ is expanding, seeking a Lead Protection and Control Engineer to drive innovation in electrical energy projects in Western Canada. You'l ...

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 ...

Mentor & Lead as Structural Engineer

Discover an impact-driven role at Sedgman Canada Ltd as a Senior Structural Engineer in Vancouver, B.C. This opportunity focuses on technical leadership and mentorship in structural engineering.As part of a rapidly expanding team, you will oversee project development, ensuring compliance with industry standa ...

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 ...

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 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 High Voltage Substation Engineer

A recruitment firm is seeking a Senior Substation Engineer in Calgary, Alberta. This role involves leading high-voltage substation projects, working with multidisciplinary teams to ensure compliance with safety standards. The ideal candidate has at least 8 years of experience in substation engineering, with stro ...

Lead Software Engineer, Finance System

Lead Software Engineer About the Role The Lead Software Engineer is responsible for designing, developing, and maintaining scalable, high‑quality software solutions that support enterprise financial systems and digital transformation initiatives. This role requires strong hands‑on technic ...

Senior eVTOL Aerostructures Lead Engineer

A leading aerospace company in Ontario is seeking a Senior Design and Aerostructures Engineer to lead mechanical and structural development for innovative eVTOL aircraft. The ideal candidate will have over 5 years of experience in aerospace structural systems. Responsibilities include designing critical systems, ...

Lead Software Engineer (Python | Databricks)

Lead Software Engineer (Python | Databricks) Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. The Team Global Banking and Markets Engineering (GBME) is the fast-moving, award-winning technology engin ...

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, ...

Lead Bridge Engineer in Etobicoke

Elevate your career as a Lead Bridge Engineer with Modern Technical Staffing in Etobicoke, Ontario. This position demands strong leadership and deep technical expertise on bridge projects across Ontario.Join an established engineering consulting firm in its Civil Infrastructure Group. As a Senior Bridge Engi ...

Lead Antenna Design Engineer Aurora

Take the lead at Sinclair Technologies as an Antenna Design Engineering Team Lead in Aurora, Ontario. Drive team performance, oversee design projects, and enhance antenna solutions for communication systems.In this full-time, permanent role, you will report to the Senior Product Engineering Manager. The posi ...

Lead Geotechnical Engineer at Thurber

Join Thurber Engineering as a Lead Geotechnical Engineer, providing technical support and leadership for complex projects. This senior role emphasizes mentorship, technical analysis, and establishing strong client relationships.The position calls for a senior engineer with at least 15 years of relevant exper ...

Lead Geotechnical Engineer at AECOM

Elevate your career as a Senior Geotechnical Engineer with AECOM in Canada. This role focuses on leading tailings dam designs and ensuring regulatory compliance across various projects.AECOM is seeking a Senior Geotechnical Engineer for its Tailings and Mine Waste team. You will guide the technical delivery ...

Lead Tailings Engineer at AECOM

Shape the future of mine waste projects as a Lead Tailings Engineer with AECOM, overseeing key designs across Canada and beyond. Utilize your expertise in tailings dam design while mentoring a technical team.In this senior role, you will be responsible for leading technical delivery on mine waste management ...

Lead Cloud DevSec Ops Engineer

Job Title: Lead Cloud DevSec Ops Engineer Key Technology: DevOps, Python, PowerShell, Rego, Azure, GCP Job Responsibilities: Ensure that all cloud solutions follow internally defined security and compliance controls. Implement the ...

Lead Process Automation Engineer (Hybrid)

A global consulting firm seeks an Automation Engineering Consultant in Calgary, Alberta to lead projects improving operational efficiency in various mining and energy sectors. Candidates must have a Bachelor's degree in Engineering and over 10 years of relevant experience. Responsibilities include managing proje ...

Lead Signaling Installation & Correlation Engineer

A global engineering company in Toronto is seeking an Installation Engineering Design Leader. You will be responsible for signaling installation design, ensuring alignment with project specifications and client requirements. The ideal candidate should have a strong engineering background, knowledge of signaling ...

Lead Machine Learning Engineer Unity

Transform advertising through technology as a Lead Machine Learning Engineer at Unity. Focus on financial systems, pacing algorithms, and advanced Generative AI solutions.In this pivotal role, you will leverage over 8 years of development experience to drive Unity's advertising ecosystem. Your expertise will ...

Lead Machine Learning Engineer Unity

Transform advertising through technology as a Lead Machine Learning Engineer at Unity. Focus on financial systems, pacing algorithms, and advanced Generative AI solutions.In this pivotal role, you will leverage over 8 years of development experience to drive Unity's advertising ecosystem. Your expertise will ...

Lead Machine Learning Engineer Unity

Transform advertising through technology as a Lead Machine Learning Engineer at Unity. Focus on financial systems, pacing algorithms, and advanced Generative AI solutions.In this pivotal role, you will leverage over 8 years of development experience to drive Unity's advertising ecosystem. Your expertise will ...

ASIC Package Design Lead Engineer

Shape advanced ASIC designs as an ASIC Package Design Lead Engineer. Ensure robust packaging and qualification for high-speed connectivity products while driving technical excellence in collaboration with cross-functional teams.This role emphasizes the integration of analog design and project management. You ...

Libraries Platform Lead Software Engineer

Join as a Senior Software Engineer to lead the libraries platform. Play a vital role in building secure infrastructure and automating workflows for open-source libraries at scale.You will engage in developing and maintaining a platform that ensures libraries are safe and functional for diverse ecosystems. Th ...

Lead Engineer for Airframe Standards

Drive aerospace innovation as Head of Airframe Engineering, focusing on sustainability and engineering standards for the A220 program. Join a dynamic team and redefine engineering excellence.This leadership position requires overseeing engineering performance, ensuring timely and budget-conscious deliverable ...

Lead Software Engineer – Shopware Plugins

Excel in your software engineering career with EBizCharge as a Senior Engineer focused on Shopware plugin development. This full-time role requires extensive experience in PHP and Symfony.Headquartered in Irvine, California, EBizCharge is looking for a Senior Software Engineer II with at least 4 years of ful ...

Lead Tailings Engineer at AECOM

Shape the future of mine waste projects as a Lead Tailings Engineer with AECOM, overseeing key designs across Canada and beyond. Utilize your expertise in tailings dam design while mentoring a technical team.In this senior role, you will be responsible for leading technical delivery on mine waste management ...

Lead Space Systems Engineer Role

Shape the future of space connectivity as a Lead Space Systems Engineer at Kepler Communications. Drive technology-forward solutions while managing teams and mentoring junior engineers in this strategic role.At Kepler, this Senior Systems Engineer position is crucial for driving complex space system design a ...

Lead Process Engineer – Water & Wastewater

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 ...

Lead Engineer Electrical Systems Markham

Drive electrical system design at GE's BWRX-300 reactor in Markham, Ontario. This lead engineer role focuses on power system architecture, analysis, and regulatory compliance.In this position, you will oversee the electrical power systems for the BWRX-300 Small Module Reactor. Your responsibilities wil ...

Lead Software Engineer (Java SDET)

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible ...

Lead / Senior Generative AI Engineer

Vancity Centre Vancity Centre 183 Terminal Ave Vancouver, BC V6A4G2, CANWe’re Vancity, a member‑owned credit union built on the principles of inclusion and social justice. Since 1946, our relentless commitment to these values has helped us challenge the status quo and break down barriers. We’ve made bo ...

Lead Engineer for ADMS Projects

Elevate your engineering career as the ADMS Lead Engineer at TRC. Drive the successful implementation of advanced ADMS and OMS workstreams, ensuring technical excellence and stakeholder alignment.As an ADMS Lead at TRC, you'll leverage your extensive experience (10-15 years) in overseeing complex ADMS ...

Lead Mechanical Engineer in Mississauga

Join a dynamic multidisciplinary engineering firm as a Lead Mechanical Engineer in Mississauga, Ontario. Own the design of complex building systems while mentoring a dedicated team.In this full-time, in-office role, you will take full technical ownership of mechanical projects, involving HVAC, plumbing ...

Lead Instrumentation Engineer Worley Canada

Advance your career at Worley as a Senior Instrumentation Engineer in Edmonton, contributing to innovative energy projects with a focus on instrumentation and controls. Work in a collaborative environment to inspire and mentor others.In this prominent role, you will ensure the successful execution of instrum ...

Lead Structural Engineer at Allnorth

Join Allnorth as a Senior Structural Engineer in Vancouver and shape significant structural projects in the infrastructure sector. Use your expertise to lead engineering design solutions.This role invites you to manage and execute a range of structural designs, encouraging collaboration with a diverse projec ...

Lead Mechanical Engineer, Mining/Resources

Responsibilities Lead mechanical and piping engineering packages for multidisciplinary mining and industrial projects across all phases—from conceptual studies to detailed engineering and construction support. Apply deep knowledge of codes and standards (ASME B31.3, B31.4, B31.8, ...

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    Lead Full Stack Javascript Engineer Jobs in Canada Job Search Guide, Trends and Insights