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

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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 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 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 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 Data Engineer – Reporting & AI Focus

Step into a Lead Data Engineer role with a focus on reporting and AI solutions. This hybrid position emphasizes driving data-driven strategies and building sophisticated reporting frameworks.As a key individual contributor, you will drive the architecture and maintenance of interactive data pipelines using a ...

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 ...

Senior Mechanical Engineer Defense Projects Lead

A leading engineering firm is seeking a Senior Mechanical Engineer in Vancouver. This role focuses on design and execution for National Defense projects, requiring a university degree in Mechanical Engineering and over 10 years of relevant experience. The candidate will lead teams, manage projects, and ensure co ...

Senior Mechanical Engineer Defense Projects Lead

A leading engineering firm is seeking a Senior Mechanical Engineer in Vancouver. This role focuses on design and execution for National Defense projects, requiring a university degree in Mechanical Engineering and over 10 years of relevant experience. The candidate will lead teams, manage projects, and ensure co ...

Lead Full Stack Engineer — Remote Canada

A leading technology company is looking for a Lead Full Stack Engineer to develop application features in line with specifications. The ideal candidate will have extensive experience in Java and Javascript frameworks, including Angular and React, and will engage in incident management along with development task ...

Senior Embedded Systems Engineer Cybersecurity Lead

A global technology leader located in Ottawa seeks an experienced Principal Development Engineer with expertise in software and firmware engineering, particularly within cybersecurity. This hybrid role demands strong skills in C/C++ and Linux, aimed at delivering cutting-edge embedded solutions. Candidates shoul ...

Principal Engineer: Lead Web Apps & Architecture

An innovative company is seeking a Principal Engineer to spearhead technical excellence in software development. This role involves leading the development of web applications, ensuring high standards through code reviews, and collaborating with engineering leadership to shape the product roadmap. You'll work wi ...

Lead Structural Engineer: Design, Mentoring & Impact

A leading engineering firm in Ottawa seeks a Structural Engineer to lead structural design delivery for diverse projects. The role involves managing multidisciplinary teams and ensuring exceptional quality across deliverables. Ideal candidates have over 10 years of experience in structural engineering and posses ...

Senior Mechanical Engineer: Lead Design & Mentorship

A renowned engineering firm is looking for a Senior Mechanical Engineer in Ottawa to lead projects in various sectors. Responsibilities include providing technical mentorship, managing multidisciplinary teams, and designing building mechanical systems. Applicants need a Bachelor's in Mechanical Engineering, a Pr ...

Cloud Engineer Infrastructure Manager /Lead (Markham)

Primary Responsibilities: Drive 5G Wireless Platform development based on Cloud (AWS/Azure) concepts and infrastructure while leading an Engineering Software Development Team and reporting directly to the VP of Engineering. Support and personally contribute to building an overall Eng ...

Lead Site Reliability Engineer Database Management

**WHAT MAKES US, US**Join some of the most innovative thinkers in FinTech as we lead the evolution of financial technology. If you are an innovative, curious, collaborative person who embraces challenges and wants to grow, learn and pursue outcomes with our prestigious financial clients, say Hello to SimCorp!At ...

Lead Embedded RTOS Engineer Remote Canada

A global leading technology company is seeking an MTS - Software Engineer in Ottawa to lead the design and development of their VxWorks operating system components. This role involves mentoring junior developers and requires at least 8 years of experience in software operation system development. Candidates shou ...

Senior Mechanical Engineer Lead Systems & Innovation

A leading medical device company in Toronto is looking for a Senior Mechanical Engineer to lead the engineering strategy for medical devices. The role involves overseeing the mechanical system architecture, ensuring compliance with regulatory requirements, and mentoring junior engineers. Candidates should have o ...

Lead Electrical Engineer at DIALOG Design

Become a Lead Electrical Engineer at DIALOG and influence community wellbeing through your innovative electrical designs. This role allows you to blend creative design with technical expertise in a collaborative setting.In this role, you will be responsible for the design and implementation of comprehe ...

Lead Full Stack Engineer at Workday

Elevate AI solutions at Workday as a Lead Full Stack Engineer. Collaborate with a dynamic team in an engaging hybrid work model, focusing on impactful software development.In this senior role at Workday's Agent Factory, you will spearhead the creation of full stack applications that integrate sophistic ...

Senior Materials Engineer Metals Support Lead

Company Overview Lifting Solutions is a leading provider of oilfield artificial lift products and services. Since our founding in Canada in 2014, we have grown to over 300 professionals across three countries using a vertically integrated approach that spans research & product development, manufacturing, applica ...

Lead Mechanical Engineer for Water Projects

Drive innovative water infrastructure solutions with AECOM as a Senior Mechanical Engineer in Burnaby, BC. This hybrid role requires expertise in HVAC, plumbing, and industrial facility systems.As a key player in AECOM’s Water Group, you will lead design and construction phases for water-related projec ...

Lead Design Project Engineer in Oshawa

Join Ledcor as a Lead Design Project Engineer based in Oshawa, ON, and take charge of the technical delivery for heavy civil projects. This site-based role involves managing design risks, approvals, and stakeholder relationships.In this senior position, you will oversee crucial design deliverables, ens ...

Lead Agentic AI Engineer – VP (Mississauga)

About the Role Citi's Wholesale Technology organization is seeking an exceptional, hands‑on Lead Agentic AI Engineer (VP) to design, build, and deploy cutting‑edge agentic AI solutions. This role combines deep technical leadership with architectural ownership—driving adoption of LLMs, agentic workflows, and gene ...

Lead Mechanical Engineer for Automotive Design

Join a leading Automotive Manufacturing company as a Mechanical Engineer, focusing on design and project management. Drive innovative solutions for new equipment and support sustainability initiatives.In this Senior Mechanical Engineer role, you will collaborate with cross-functional teams to enhance d ...

Lead Materials Engineer at Lifting Solutions

Elevate your career with Lifting Solutions as a Lead Materials Engineer focused on metals. This role combines team leadership, technical oversight, and hands-on lab work in a dynamic environment.In this senior engineering position, you'll guide the materials lab and support product initiatives for meta ...

Lead Cross Functional Engineer at Airbus

Elevate your career at Airbus as a Senior Cross-Functional SAFe Vertical Integrator in Mirabel, Quebec. This challenging role connects engineering, manufacturing, and customer support to streamline production.You will steer the A220 commercial aircraft Programme, leveraging your skills in Agile environ ...

Lead Release Engineer for Linux Systems

Join Ciena as a Lead Release Engineer focused on Linux system deployments. This position involves enhancing build reliability and driving engineering quality for next-gen network OS solutions.As part of Ciena’s commitment to innovation, you will play a key role in advancing the SAOS10.x operating syste ...

Lead Signalling Systems Engineer in Toronto

Become the Signalling Systems Engineering Group Manager at Alstom in Toronto, ON. This leadership role focuses on guiding engineering teams to achieve excellence in innovative railway signalling systems.In this experienced position, you will leverage your technical skills and leadership abilities. You’ ...

Lead Hardware Quality Engineer at Lightspeed

Drive quality excellence at Lightspeed as a Lead Hardware Quality Engineer ensuring high standards for our innovative hardware products. Your role encompasses payment devices, printers, and network accessories.This position, based in Montreal or Toronto, empowers you to define comprehensive quality str ...

Lead AI Solution Engineer at League

Drive innovation in healthcare with League as the Lead AI Solution Engineer. Leverage deep expertise in AI to craft exceptional digital experiences for consumers.As Principal of Solution Engineering, you play a crucial role in League’s mission to enhance healthcare delivery through AI. Your responsibil ...

Lead AI Engineer at Aviva Canada

Join Aviva Canada as a Lead AI Engineer specializing in Generative AI. This position empowers you to spearhead the development of AI solutions that redefine the insurance landscape.In this role, you will utilize your extensive experience to design enterprise-scale AI applications. Collaborate closely w ...

Lead Water & Wastewater Engineer in Regina

Take the lead in water and wastewater engineering with MPE in Regina. Bring your extensive experience to design, manage, and drive municipal projects forward.MPE invites applications for the Senior Water & Wastewater Engineer to contribute significantly to treatment system designs. With over 10 years o ...

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 influe ...

Lead Electrical Engineer Role at WSP

WSP is hiring a Lead Electrical Engineer in Thornhill, focusing on innovative electrical system designs. Ideal for professionals passionate about engineering solutions.As part of the Property & Buildings M’E Team, the Senior Electrical Engineer will have at least 10 years of experience in design consul ...

Lead Bridge Engineer for Rail Infrastructure

Join Adecco as a Senior Engineer, Bridge Rating, and lead pioneering engineering efforts in rail infrastructure. Apply your expertise in structural analysis and oversee bridge safety initiatives.As a full-time role, this position targets seasoned engineers dedicated to ensuring the integrity of railway ...

Lead Engineer at Sun Life Prospr

Become a Lead Engineer at Prospr within Sun Life, where you’ll address key engineering problems and shape the future of digital insurance solutions. Engage in a hybrid work environment maximizing flexibility.In this pivotal role, you will leverage over eight years of software engineering expertise to l ...

Lead Reliability Engineer for Azure Platforms

Join Manulife's team as a Lead Reliability Engineer, focusing on Azure Kubernetes Services and CI/CD processes in a hybrid environment. Drive platform efficiencies and best practices.In this director-level individual contributor role, you will advise Platform Services while directly managing platform r ...

Roadways & Highways Design Lead – Transportation Engineer

A leading engineering consultancy in Ottawa is seeking a Transportation Engineer to design municipal roadways and transit facilities. The successful candidate will manage transportation projects, provide guidance to junior staff, and ensure timely delivery of engineering solutions for public clients. Candidates ...

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 ...

Civil Engineer Municipal & Land Development Lead

A leading engineering firm is seeking an experienced Civil Engineer for their Infrastructure team in Terrace, BC. The role involves designing and delivering civil engineering solutions for essential municipal projects, managing projects from conception through construction, and building client relationships in n ...

Senior Mechanical Engineer — Audit & Certification Lead

A leading certification and inspection organization is seeking a skilled engineer to enhance their business model and manage development projects. Responsibilities include performing inspections, training junior engineers, and promoting the company's activities globally. The ideal candidate should have a Bachelo ...

Senior Geotechnical Engineer — Lead Projects & Growth

A leading engineering firm is seeking a Senior Geotechnical Engineer in Prince George. This office-based role includes project management, technical support, and mentoring of staff. Candidates should have a degree in Civil or Geological Engineering, relevant experience, and strong communication skills. The posit ...

Lead Engineer SAGD Heavy Oil Solutions

Elevate SAGD processing projects as the Process Engineering Discipline Lead at Equinox Engineering in Calgary, AB. Your expertise will guide the design of sustainable energy facilities.As Lead Engineer for SAGD/Heavy Oil CPF projects, you will be responsible for delivering advanced engineering solutions with ...

Lead Machine Learning Engineer at BMO

Shape the future of AI at BMO Financial Group as a Lead Machine Learning Engineer. Focus on designing transformer-based models to create impactful business solutions ready for production.This senior role involves leading the design, training, and scaling of advanced machine learning systems. You will r ...

Lead Engineer for Electrical Power Systems

Join as a Lead Engineer for Electrical Power Systems, specializing in Systems Engineering. Focus on developing and integrating cutting-edge technology solutions tailored to client needs.In this pivotal role, you will identify and set product requirements, ensuring a competitive edge in system architect ...

Lead Electrical Engineer Data Centers Toronto

HDR is seeking an Electrical Team Lead to guide data center design in Toronto, Ontario. Leverage your experience to set technical standards and drive project excellence.This full-time role requires leadership in electrical engineering with over ten years of relevant experience. You will serve as a tech ...

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