680,297+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Remote Lead Data Engineer Databricks & PySpark

A technology company is seeking an experienced Data Engineering Lead to guide technical direction for critical initiatives in data engineering. This fully remote position requires 10+ years of experience, strong hands-on expertise in Python, SQL, and data pipeline design, and excellent communication skills. You ...

Construction Engineer: Lead Large Scale Infrastructure

A collaborative construction firm in British Columbia seeks a Construction Engineer to manage construction projects, ensuring safety, budget, and timeline compliance. Responsibilities include developing detailed construction plans, overseeing day-to-day activities, coordinating with stakeholders, and conducting ...

Senior Transportation Engineer Calgary Infrastructure Lead

A premier engineering firm is seeking a Senior Transportation Engineer in Calgary. Responsibilities include leading transportation projects, developing designs, and mentoring junior engineers. Candidates must have a degree in Civil Engineering, be a licensed Professional Engineer, and possess at least 10 years o ...

Silicon Validation Lead – Principal Engineer 14511

Location: Open to hiring in Ottawa and/or in the Toronto Markham/Mississauga Markets Overview 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 ...

Senior Electrical Engineer – Building Systems Lead

A consulting engineering firm in Dartmouth, Nova Scotia, is seeking a Senior Electrical Engineer to join their design team. This position involves leading the design of building electrical systems, ensuring compliance with the Canadian Electrical Code, and mentoring junior staff. The ideal candidate will have ov ...

Lead Engineer, Mine Operations Projects & Upgrades

A mining development company is seeking a Chief Engineer – Operations Special Projects to oversee engineering projects at Blackwater Mine Site in British Columbia. This role demands expertise in project execution, safety compliance, and production enhancement. The ideal candidate should have a relevant degree, e ...

Lead Project & Systems Engineer – Defense Tech

A leading defence technology firm in Ottawa is seeking a Project Engineer to lead a talented team in delivering innovative defense solutions. The role requires a Bachelor's degree in Engineering and over 6 years of experience, focusing on effective team leadership and project execution. Strong interpersonal skil ...

Tailings Geotechnical Engineer — Lead Projects & Design

A leading engineering firm in Canada is seeking a Geotechnical Engineer to focus on tailings management. Ideal candidates should possess a post-graduate degree in geotechnical, mining, or hydrotechnical engineering along with 15 to 20 years of experience in integrated tailings management facilities. Responsibili ...

Senior Electrical Engineer Electrification & DER Lead

A leading consulting engineering firm in Ontario is looking for a Senior Electrical Engineer to lead electrification and DER integration projects. The role involves technical delivery and client engagement, supporting initiatives in various sectors including transportation and commercial. The ideal candidate sho ...

Lead Packaged Equipment Engineer – Gas Processing

A global professional services company is seeking a Packaged Equipment Engineer in Calgary or Edmonton, Alberta. The candidate will lead gas processing package projects from conception to completion, requiring strong leadership and technical expertise. Responsibilities include developing project scopes, managing ...

Lead, Senior and Intermediate Backend Engineer

About the Role We're looking for a LeadBackend Engineer with deep fintech experience to join our core engineering team. You'll be responsible for building and scaling the critical payment infrastructure, ledger systems, and financial APIs that power our platform. This is a backend-focused ...

Lead Data Engineer (contrat 6+ mois)

Nous sommes prsentement la recherche dun Lead Data Engineer pour un contrat d'une dure de 6+ mois avec possibilit de renouvellement. MANDAT Diriger la conception et le dveloppement de solutions de donnes en environnements cloud (AWS, Azure) Assurer la qualit, la gouvernance et la scurit des donnes incluant le ...

Lead Backend Engineer for Gaming Platform

Join a fast-growing social gaming team as a Lead Backend Engineer. Focus on building scalable backend systems with a strong emphasis on Laravel/PHP and AI advancements.This role offers a high-impact opportunity to influence backend architecture and operations for a booming social gaming service. You will lea ...

Lead Security Engineer – Vulnerability & Threat 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 ...

Lead AI and Computer Vision Engineer

Join Stryker’s team as a Senior Staff Engineer in Computer Vision, where you'll innovate AI solutions that transform medical technology. This role focuses on mentorship and technical leadership.In this pivotal position, you will oversee the design and deployment of advanced computer vision technologies at St ...

Lead Network Engineer at GTS Securities

Become the Network Engineering Lead at GTS Securities, where you’ll design and operate a complex multi-business production network. This role combines technical leadership and hands-on troubleshooting in a hybrid work setup.As an Individual Contributor, you will oversee the network’s evolution, focusing on u ...

Civil Lead Engineer for Facility Projects

Join Associated Engineering as a Civil Lead Engineer specializing in facility projects across Ontario. In this pivotal role, you will support community infrastructure through your civil engineering expertise.You will be at the helm of infrastructure projects, overseeing the civil aspects from start to finish ...

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 Engineer in Wastewater Engineering Projects

Become a pivotal part of Stantec's team as a Lead Engineer focusing on wastewater treatment projects in Burnaby, British Columbia. Your technical acumen will shape the future of municipal water systems.In this senior role, you'll manage diverse teams while providing comprehensive technical direction on water ...

Lead Quality Engineer with Data Expertise

Become a Lead Data Quality Engineer at our Toronto office, leading the charge in data integrity testing and validation strategies. This role demands a blend of technical skill and mentorship within a financial services framework.In this full-time position, you will spearhead the development of automated solu ...

Lead Quality Engineer with Ultra Maritime

Step into a key role as Lead Quality Engineer with Ultra Maritime, safeguarding the seas for the world's navies through innovative quality assurance practices. Your contributions will drive mission success.In this Senior Quality Engineer position, you will be responsible for all assurance activities in the l ...

Lead Engineer for Data Replication Solutions

Become a Senior Staff Software Engineer at Fivetran, specializing in database and binary log replication technologies. This hybrid role in Toronto, Canada invites you to innovate and enhance our data pipeline services.Fivetran seeks an expert who will dive deep into SQL Server and Oracle systems, employing y ...

Lead Security Engineer AI Vulnerability Focus

Cognizant seeks a Lead Security Engineer with expertise in AI-driven Vulnerability Management. This role emphasizes validation and automation in security practices, dealing directly with vulnerability insights and lifecycle management.As part of the Threat & Vulnerability Management team, you'll focus on AI ...

Lead Mechanical Engineer for Mining Projects

Engineer your future with WSP as a Lead Mechanical Engineer specializing in mining and industrial projects across Canada. Lead complex designs and deliver high-performance systems to power sustainability.This role at WSP focuses on delivering comprehensive mechanical and piping engineering solutions. You wil ...

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 Senior Engineer in Rock Mechanics

Advance your engineering career with BBA as a Senior Engineer in Rock Mechanics. Apply your extensive knowledge in a role focused on surface and underground mining initiatives.With a minimum of 10 years of experience, you will be responsible for ensuring the application of sound rock mechanics principles acr ...

Lead Senior Project Engineer at CIMA+

CIMA+ is seeking a Senior Project Engineer to oversee diverse municipal projects across Alberta and Saskatchewan. This role focuses on project leadership, engineering studies, and stakeholder collaboration.As a Senior Project Engineer, you will lead teams through all phases of project planning and execution. ...

Lead Analog Mixed Signal Layout Engineer

Take the lead at StarIC as a Senior Physical Design Engineer with a focus on high-speed analog mixed-signal layout design. Enjoy a hybrid work model and engage in impactful design strategies.StarIC is in search of a skilled engineer to take on a crucial role in physical design with over 3 years of industry e ...

Lead Data Center Engineer Arcadis Canada

Shape the future of data centers as the Market Sector Lead at Arcadis, driving innovation and strategy. This role emphasizes both leadership and technical excellence in engineering.You will oversee the entire design and engineering process for data center projects, employing 15+ years of industry experience ...

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 Linxon's Energy Projects

Experience a rewarding engineering career at Linxon as a Lead Engineer for Energy and Infrastructure Projects, located in Toronto, ON, with hybrid work flexibility. Focus on safety and cost-effective solutions.In this pivotal role, you will lead the engineering direction for a variety of projects, including ...

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 Structural Engineer Water Systems WSP

Become a pivotal part of WSP as a Senior Structural Engineer specializing in water and wastewater systems. This Thornhill, ON position empowers you to drive impactful projects while mentoring junior engineers.In this senior role, you will leverage over 10 years of structural design experience to influence cr ...

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 Manufacturing Engineer at Bio Techne

Join Bio-Techne as a Lead Manufacturing Engineer, where you will spearhead strategic process improvements and New Product Introductions. Focus on delivering excellence in clinical diagnostics tools.This role requires an adept leader who can guide cross-functional teams in enhancing manufacturing efficiency a ...

Lead Engineer for Backend Automation Systems

Join Jerry.ai as a Lead Engineer focused on backend automation systems, tackling complex challenges in car ownership technology. Enhance customer experiences through innovative engineering.As a key member of the Core Backend Team, you will lead the modern transformation of our automation systems. This role c ...

Lead Refrigeration Engineer Opportunity at Wyman’s

Take charge as a Chief Engineer at Wyman’s in Morell, PE. Lead a talented team in ensuring the reliability and safety of refrigeration systems.This permanent position requires a proactive leader skilled in coaching refrigeration engineers and maintenance staff. You will play a crucial role in maintaining the ...

Lead Integration Engineer for Military Training

Join Raytheon Canada as the Integration IPT Lead, enhancing military training solutions for the Canadian Army. This full-time role based in Calgary or Ottawa requires strong project management skills and engineering expertise.As the Integration Lead, you will coordinate a multi-functional team to deliver eff ...

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 Electrical Engineer for AOPS Projects

Step into a leadership role at Irving Shipbuilding, driving the design of the Integrated Platform Management System for Arctic Offshore Patrol Ship projects. Bring your expertise in electrical systems to the forefront.As the IPMS Team Lead, you will oversee a dedicated team while ensuring high-quality design ...

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 Civil Engineer for Municipal Projects

Join a dedicated Infrastructure team as a Lead Civil Engineer specializing in municipal projects across northwest British Columbia. Utilize your design skills for impactful land development and water systems.In this Senior Civil Engineer role, you will shape stormwater, wastewater, and municipal road project ...

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