653,860+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead Full Stack Engineer Global Wealth Management

Drive innovation as a Lead Full Stack Engineer in Toronto's Global Wealth Management Technology team. Your expertise in Java, Microservices, and distributed systems will empower scalable applications.In this leading role, you will utilize over 8 years of software engineering experience to design and maintain ...

Lead Full Stack Engineer At Aversan Mississauga

Overview Aversan Inc. seeks a Senior Full Stack Engineer in Mississauga to lead critical software development for aerospace systems. This full-time, hybrid role demands a blend of strong technical skills and leadership capabilities. In this pivotal position, you'll manage the design and im ...

Lead Senior Environmental Engineer at TBT Engineering

Join TBT Engineering as a Senior Environmental Engineer, taking charge of impactful environmental projects. Leverage your expertise in site assessments and compliance to drive results.In this full-time role, you will manage diverse environmental projects and lead Phase I and II Environmental Site Assessments ...

Lead Full Stack Engineer for Alexa Projects

Join the Alexa Smart Properties initiative as a Lead Full Stack Engineer. Focus on creating tailored device experiences for the hospitality sector using Kotlin, C++, and cloud services.In this senior role, you'll lead the technical strategy for delivering innovative Alexa experiences in hotels and senior liv ...

Lead Quality Assurance Engineer at Hitachi Rail

Join Hitachi Rail as a Lead Quality Assurance Engineer, focusing on software and systems in a hybrid Toronto setting. This role emphasizes creating a robust quality culture within operational teams.With over a decade of experience in the railway industry, you will guide quality management best practice ...

Senior Process Safety Engineer (Fire Protection Lead)

A global professional services company is seeking a Senior Process Safety Engineer to provide leadership in process safety and fire protection engineering. This role involves delivering high-quality process safety studies and supporting project execution while ensuring compliance with safety standards. The ideal ...

Lead Principal iOS Engineer at Constant Contact

Join Constant Contact as a Principal iOS Engineer to shape innovative apps and lead technical excellence. Utilize expert Swift skills in a collaborative Agile environment to impact mobile application development.As a Principal iOS Engineer at Constant Contact, you will play a pivotal role in leading mo ...

Lead DevSecOps Engineer Position with Peoples Group

Advance your career as a Lead DevSecOps Engineer with Peoples Group in Toronto, Vancouver, or Calgary, specializing in security strategies for cloud infrastructures. Ideal candidates will have 8–10+ years of experience in multi-cloud environments.As an individual contributor, you will play a significan ...

Lead Python Engineer Capital Markets & Trading (Hybrid)

A technology consulting firm is seeking a Lead Engineer focused on Python development within capital markets. The role involves designing and optimizing trading platforms, implementing data solutions, and collaborating with teams to enhance system performance. Candidates should have expertise in capital markets ...

Azure Cloud Engineer – Landing Zones & Security Lead

A leading cloud consulting company in Ontario is seeking a Senior Cloud Engineer specializing in Microsoft Azure. This critical role involves designing and hardening cloud solutions, automating infrastructure, and working closely with business leaders. The ideal candidate has extensive experience with Azure tech ...

Senior Civil Engineer Water & Wastewater Conveyance Lead

A leading professional services firm is seeking a Senior Civil Engineer - Water & Wastewater to lead major projects in Hamilton, Ontario. The ideal candidate will have 10–15 years of experience and expertise in linear infrastructure design, project management, and mentoring junior staff. The role involves overse ...

Design Verification Engineer technical lead, Annapurna Labs

Sr. Design Verification Engineer, Annapurna Labs – Amazon Web Services (AWS) Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform, and our Custom Silicon organization is revolutionizing how we deliver cloud services to our customers. You’ll be part of a t ...

Senior Structural Project Engineer: Lead Complex Structures

A global engineering firm is seeking a Senior Structural Project Engineer to tackle complex challenges and innovate in design. The role involves applying advanced engineering concepts, mentoring junior engineers, and collaborating with clients and industry experts. Ideal candidates will have a Bachelor’s degree ...

Lead Civil Design Engineer Structural & Seismic Solutions

A leading engineering and construction firm in Metro Vancouver is seeking an experienced engineer to lead projects focused on cost-effective and innovative solutions. The role entails overseeing engineering tasks, conducting complex analyses, and managing vendor compliance. Ideal candidates will have a degree in ...

Principal Civil Engineer | Lead High Impact Infrastructure

A leading engineering consultancy in Toronto is seeking a Principal Civil Engineer to lead multi-disciplinary projects. You will manage the design of highways and drainage, engage with authorities, and mentor junior engineers. The ideal candidate has strong technical expertise, proficiency in design software, an ...

Senior Site Reliability Engineer – Cloud & Automation Lead

A leading supply chain solutions provider is seeking a Site Reliability Engineer to optimize and ensure the reliability of their cloud infrastructure across AWS and Kubernetes. This role emphasizes automation, incident management, and continuous improvement. Candidates should have at least 5 years of experience ...

Senior Security Engineer – Ethical Hacker & SIEM Lead

A leading education investment company in Toronto is looking for a Security Engineer (Ethical Hacker) to manage security infrastructure and enhance compliance with ISO27001 and SOC2 standards. The ideal candidate will have 6-10 years of InfoSec experience, and should be skilled in addressing security breaches, a ...

Lead RF Test Engineer, Satellite Systems & OTA

A technology consulting firm is seeking a Senior RF Test Engineer in Ottawa. The role involves developing system verification plans, working with various antenna vendors, and coordinating RF testing activities. Candidates should have extensive experience in satellite communications and RF engineering principles. ...

Lead Transmission Line Projects Engineer – Flexible Work

A leading engineering firm is looking for a Senior Transmission Line Project Engineer in Canada. This role involves leading transmission line design projects, ensuring quality and client satisfaction. Candidates should have a degree in engineering and a minimum of 10 years of relevant experience in transmission ...

Senior Mechanical Engineer Piping Lead & Flexible Schedule

A multi-disciplinary engineering firm located in Grande Prairie, Alberta, is seeking a Senior Mechanical Engineer to provide technical expertise and support for complex projects. The ideal candidate will have a strong background in mechanical and piping design, with a minimum of 8 years of experience in relevant ...

Lead Systems Engineer – Infra, CI/CD & DR

A global technology company in Mississauga seeks a candidate with 5-8 years of experience for a role focused on system management and operational support. Key responsibilities include conducting system analysis and performing health checks, along with user interface and technical problem resolution. The compensa ...

Senior Civil Engineer Lead Mining & Infrastructure Projects

A leading engineering firm in Calgary is seeking a Senior Civil Engineer to lead projects in mining, energy, and infrastructure. The role involves managing civil design activities, ensuring quality control, and mentoring junior engineers. Candidates should have at least 10 years of experience in civil engineerin ...

Lead Full Stack Engineer, Data Catalog Services

Work Location:Toronto, Ontario, CanadaHours:37.5Line of Business:Technology SolutionsPay Details:$125,500 - $154,000 CADThe pay details posted reflect a temporary market premium specific to this role that is reassessed annually.TD is committed to providing fair and equitable compensation opportunities to all col ...

Lead Structural Engineer Residential Wood Frame Growth

A well-established multidisciplinary engineering consultancy in the Fraser Valley is seeking a Senior Structural Engineer to lead their Structural Engineering function. The ideal candidate will have 8-12 years of experience, a P.Eng. designation in BC, and strong expertise in wood-frame residential design. This ...

Lead AI Engineer Remote at NTT DATA

Elevate your career as a Remote Lead AI Engineer with NTT DATA in Toronto, Ontario. Contribute to designing AI systems that empower business needs and regulatory compliance.In this role, you will utilize 3-5 years of AI experience, focusing on research, development, and alignment of AI technologies with busi ...

Airport Civil Engineer: Pavement & Design Lead (Hybrid)

A leading engineering firm in Canada is seeking an experienced civil engineer specializing in airport infrastructure projects. The successful candidate will have a minimum of 7 years' experience and provide expertise in airside civil design and construction. Responsibilities include ensuring compliance with desi ...

Ontario Highway Design Engineer — Lead MTO Projects

Join a forward-thinking company dedicated to engineering a better future for our planet and its people. As a Highway Design Engineer, you will play a vital role in delivering innovative highway design solutions across Ontario. This position offers the opportunity to work on major projects while mentoring junior ...

Water Civil Engineer Lead — High Impact Projects

A leading engineering firm in Kelowna is looking for a seasoned Civil Engineer to oversee complex projects while providing mentorship and technical leadership. The ideal candidate will have at least 15 years of experience and hold a Bachelor’s degree in Civil Engineering along with professional licensing in Brit ...

Senior Project Engineer – Gas Facilities & Pipelines Lead

A reputable engineering firm in Calgary is seeking a Senior Engineer to lead engineering activities across various projects. The ideal candidate will possess a minimum of 10 years' experience in facility and pipeline projects, with expertise in natural gas processing. Responsibilities include managing project li ...

Lead Systems Engineer For Space Missions Calgary

Join GHGSat as a Lead Systems Engineer focused on space mission design and execution. Based in Canada with potential remote options, you’ll enhance mission effectiveness and operational efficiency. You will report directly to the Manager of Space Systems Operations while leading mission design and e ...

AI Assisted SRE / AIOps Lead Engineer (Peterborough)

Overview We are seeking a highly skilled and hands-on AI-Assisted SRE / AIOps Lead Engineer to lead the operationalization and scaling of an SRE agent-driven operations model. This role combines Site Reliability Engineering, automation, production operations, and AI-assisted workflow enablement to ...

Senior Lead Machine Learning Engineer, Agentic AI

Senior Lead Machine Learning Engineer, Agentic AI Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which con ...

Lead Backend Engineer – Edge Platform (Ad Delivery)

Une entreprise de technologie publicitaire est à la recherche d'un Ingénieur Backend Principal pour gérer des systèmes de diffusion en temps réel tout en dirigeant une équipe d'ingénieurs. Le candidat idéal doit avoir plus de 7 ans d'expérience en ingénierie backend, solide expérience en systèmes distribués, et ...

Vancouver Based Senior Mining Engineer & Project Lead

A leading engineering firm is seeking a Senior Mining Engineer in Vancouver to provide technical and economic solutions for mining projects. The ideal candidate will have over 12 years of experience, strong mine engineering expertise, and a license as a Professional Engineer in British Columbia. Responsibilities ...

Lead Electrical Engineer in Power System Studies

Become a Lead Electrical Engineer specializing in Electromagnetic Transient Power System Studies. Drive industry advancements while leading a team of engineers in a dynamic and innovative environment.In this senior role, you will oversee various power system studies, including innovative methodologies and th ...

Senior Bridges Engineer Lead Design & Projects | Hybrid

A leading engineering services organization is seeking a Senior Structural Engineer (Bridges) in Ontario. This role involves leading a design team, project management, and collaborations with various disciplines. Candidates should have a degree in Civil Engineering, P.Eng registration, and over 10 years of bridg ...

Senior Lead Mechanical Engineer Mining & Metals (Hybrid)

A leading engineering consulting firm in Calgary, Alberta is seeking a Senior Lead Mechanical Engineer in the Mining and Metals sector. The role involves managing multidisciplinary projects, including supervision of engineers, and participation in design and development processes. Candidates should possess a bac ...

Senior Structural Engineer: Lead Design & Mentorship (Hybrid)

A world-class engineering services firm based in Vancouver is seeking a motivated Senior Structural Engineer to join its Structural Building team. The role involves leading structural design projects, engaging with clients, and providing mentorship to entry-level engineers. The ideal candidate should have a Bach ...

Senior Process Safety Engineer (Fire Protection Lead)

A global professional services company is seeking a Senior Process Safety Engineer to provide leadership in process safety and fire protection engineering. This role involves delivering high-quality process safety studies and supporting project execution while ensuring compliance with safety standards. The ideal ...

Lead Full Stack Engineer for AI Systems

Shape the future of AI at Solink as a Lead Full Stack Engineer in a hybrid setting in Ottawa or Toronto, ON. This full-time role demands advanced engineering skills and leadership.In this impactful position, you will construct innovative AI-driven systems that enhance video security and operational efficienc ...

Field Engineer: RC Frame Construction Lead (Vancouver)

A leading recruitment firm is looking for an experienced Field Engineer to join a prominent construction project in Vancouver. This role involves managing project documentation, maintaining communication, and ensuring timely delivery of structural works, contributing to the successful execution of various constr ...

Licensed Plumbing Engineer Lead Design & Project Delivery

A plumbing and HVAC company is seeking a Licensed Plumbing Engineer based in Toronto to support plumbing and heating projects. The ideal candidate will design and oversee plumbing systems while ensuring compliance with building codes and safety regulations. Responsibilities include reviewing blueprints, supervis ...

Senior Civil Engineer: Lead Sustainable Infra Designs

A global engineering company in Calgary seeks a Senior Civil Engineer to lead civil engineering design activities for complex projects. The successful candidate will ensure high-quality and safe designs while mentoring junior engineers and collaborating with multidisciplinary teams. Applicants should possess a B ...

Design Verification Engineer technical lead, Annapurna Labs

Design Verification Engineer - Technical Lead, Annapurna Labs Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform, and our Custom Silicon organization is revolutionizing how we deliver cloud services to our customers. You’ll be part of a team that drives ...

Lead Mine Engineer for Soft Rock Mining

Compass Minerals seeks a Senior Mine Engineer in Goderich, Ontario, to lead advancements in underground soft rock mining. This full-time position offers a unique opportunity to innovate and drive efficiencies.Operating within a robust team, the Senior Mine Engineer will work closely with various departments ...

Citi's Lead AI Engineer for Banking Innovation

Drive innovation in banking as Citi's Lead AI Engineer in Mississauga, Ontario. Focus on implementing cutting-edge AI solutions to optimize processes and enhance compliance.In the role of Lead AI Engineer, Senior Vice President at Citi, you will be at the forefront of AI technologies that transform banking o ...

Lead EWIS Integration Engineer at ALTEN Canada

Become a Lead EWIS Integration Engineer with ALTEN Canada, focusing on aerospace and electrical systems integration. Work in a hybrid model from Mirabel, QC.This full-time opportunity involves leading key integration projects within a major aerospace program. You will utilize CATIA for 3D harness design and ...

Lead Mobile Engineer Hybrid Role at Jobber

Join Jobber’s hybrid team as a Lead Mobile Engineer, shaping innovative solutions for small businesses across Edmonton, Toronto, Kitchener-Waterloo, and Vancouver. Drive the development of our mobile applications with your technical expertise.In this hybrid role at Jobber, you will collaborate closely with a ...

Lead Principal Staff Engineer at General Motors

General Motors is seeking a Lead Principal Staff Engineer to shape the future of Infotainment software in Markham, Ontario. Drive architectural choices, partner selection, and ensure timely product development.The ideal candidate will possess a bachelor's degree in Electronics, Software, or related fields, a ...

Lead CI/CD Engineer in Hybrid Setting

Join Raise as a Lead CI/CD Engineer in Toronto, ON, focusing on automation and digital delivery. Be part of their hybrid team driving innovative cloud solutions.In this senior role with Raise, you will leverage your expertise to enhance enterprise-scale cloud transformation initiatives. You will provide tech ...

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