680,139+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead Engineer in Data and Cloud Solutions

Become a Lead Engineer, transforming data architecture and cloud solutions. Direct the design and implementation of data strategies, ensuring quality and security across environments.In this key role, you will lead the development of data solutions on AWS and Azure, emphasizing integration with legacy system ...

Lead Environmental Engineer or Geoscientist Contaminated Sites

**What if you could redefine what's possible?** With us, you can. You want Purpose. Growth. Opportunity. People who get it.We are the home of ambitious, passionate, and innovative world shapers.With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global m ...

Lead Environmental Engineer or Geoscientist Contaminated Sites

**What if you could redefine what's possible?** With us, you can. You want Purpose. Growth. Opportunity. People who get it.We are the home of ambitious, passionate, and innovative world shapers.With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global m ...

Senior Piping Engineer: Lead Design and Mentorship

A leading EPCM firm in Calgary is seeking a Senior Piping Engineer to oversee and execute piping engineering activities. The ideal candidate will be a Professional Engineer (P. Eng.) licensed in Alberta with over 15 years of oil and gas experience. This role involves mentoring junior engineers and ensuring the q ...

Lead Transmission Line Engineer – Hybrid Work & Impact

A leading engineering consultancy is seeking a Transmission Line Engineer to design and manage engineering projects in the transmission line industry. The role requires a Professional Engineer registration and a minimum of 5 years of relevant experience. You will work in a collaborative team, focusing on the des ...

Staff Android Engineer: Lead Kotlin & UI Architecture

A leading mobile gaming company based in Toronto is hiring a Staff Android Engineer I to enhance their app's user experience. The role involves leading app development using Kotlin and modern tools, mentoring junior developers, and improving system-wide Android guidelines. Ideal candidates will have over 10 year ...

AVP & Lead AI Engineer — Enterprise LLM Architect

An insurance company in Canada is seeking an experienced AVP, Lead AI Engineer to lead the engineering team in developing and deploying large-scale AI solutions. The ideal candidate will have a solid background in software and ML engineering, with proven leadership skills and deep knowledge of LLM tooling. Respo ...

Client Facing Cyber Security Engineer & Onboarding Lead

A fast-growing cybersecurity company based in Vancouver seeks a Customer Support Cyber Security Engineer. This role requires technical expertise to assist clients with onboarding and ongoing support. You will partner with product and engineering teams, ensuring clients maximize our cybersecurity platforms. Ideal ...

Senior AI Engineer LLM & Reliability Lead (Equity)

A cutting-edge tech company in Toronto is seeking a Senior AI Engineer to lead the development of an AI-powered reliability assistant. This is a unique role focused on LLM engineering, allowing for full ownership of the initiative. If you thrive in a fast-moving environment and have a strong background in backen ...

Lead Frontend Engineer for AI/ML Platform

A staffing and consulting firm in Toronto is looking for a Principal Frontend Engineer to lead the design and development of AI/ML platform interfaces. The role involves architecting scalable web applications and mentoring engineers. Candidates should be proficient in React or Angular, with a strong background i ...

Senior Water Engineer & Team Lead – Municipal Infrastructure

A global consulting firm in Toronto is looking for a Senior Engineer to join its Water Sector team. This role focuses on municipal infrastructure projects and provides an opportunity to mentor junior engineers while strengthening client relationships. The ideal candidate will have a Professional Engineer certifi ...

Senior Electrical Engineer T&D Project Lead

A leading engineering firm based in Calgary seeks a Senior Electrical Engineer to lead design teams for diverse projects, ensuring high-quality electrical designs. Candidates should have a bachelor's or master's degree in electrical engineering with relevant experience. The role demands strong communication, tea ...

Lead Traffic Engineer Driving Innovative Transportation Solutions

Step into a pivotal role as a Lead Traffic Engineer/Project Manager. Design complex traffic impact studies, guided by your leadership in transportation planning, while enjoying the benefits of a collaborative environment.In this senior position, you will lead a team of professionals and spearhead transportat ...

Lead Electrical Engineer for Innovative Mining Projects

Drive electrical engineering excellence in innovative mining and mineral processing projects. Join a collaborative team focused on sustainability and world-class project delivery, ensuring technical expertise and leadership.This senior role requires over six years of experience, particularly within an EPCM e ...

Plant Operations Engineer Shift Lead, Industrial Energy

A Manitoba healthcare organization is seeking an Engineer for the Central Energy Plant. This role involves managing operations and ensuring safety while working with high temperature and voltage equipment. The ideal candidate will have a valid Manitoba Second Class Power Engineer Certificate, a minimum of three ...

Lead Python Engineer Driving Innovative Technology Solutions

Take the lead in designing cutting-edge applications as a Python Engineer. Collaborate with diverse teams to create impactful solutions for Credit Risk while utilizing your advanced programming skills.This senior-level role focuses on establishing and implementing application systems in the Wholesale Credit ...

AVP, Lead AI Engineer Enterprise LLM Architect

A leading insurance firm in Toronto is seeking an AVP, Lead AI Engineer with strong technical leadership skills and a passion for large-scale AI solutions. This role is focused on architecting and deploying systems that enhance core insurance processes. The ideal candidate has significant experience in software/ ...

Lead Senior Electrical Engineer for Mining (Montreal)

Une entreprise leader en ingénierie est à la recherche d'un ingénieur électricien principal à Montréal. Le candidat idéal gérera une équipe de conception en ingénierie électrique pour divers projets dans l'industrie minière. Exigences incluent un diplôme en génie électrique, minimum de 15 ans d'expérience pertin ...

Senior Civil Engineer (P.Eng.) — Municipal Infrastructure Lead

A leading engineering firm in Greater Sudbury is seeking a Senior Civil Engineer (P.Eng.) to lead municipal infrastructure projects, overseeing design and compliance. Candidates should have a Bachelor's in Civil Engineering and be a licensed P.Eng. in Ontario, with strong project management and client-facing ski ...

Lead Substation Design Engineer, Transmission (12kV–500kV)

A leading engineering firm in Metro Vancouver is seeking a Senior Electrical Engineer specializing in transmission and substation design. In this role, you will lead electrical design activities, mentor junior engineers, and contribute to project lifecycles. With 8+ years of utility or consulting experience, you ...

Lead Data Platform Engineer — Hybrid (Azure/Lakehouse)

A leading tech company in Montreal seeks a Lead SQL Developer to enhance their enterprise data platform. This role entails providing technical leadership and guiding a team of data engineers in designing and building data pipelines in Azure. Candidates should possess over 6 years of data development experience, ...

Lead Electrical Engineer — Marine Systems & PCB Design

A leading robotics company in Mount Pearl, NL, is seeking a Senior Electrical Engineer to design and develop innovative electrical systems. The ideal candidate will have over 8 years of experience with robust troubleshooting skills and a proven success track record. Responsibilities include integrating electrica ...

Lead AI Engineer — LLM Apps & Production Systems

A leading fitness software provider in Vancouver is seeking a highly experienced software engineer to drive AI product development. The ideal candidate will have over 9 years of experience, strong Python skills, and hands-on experience with LLM applications. This role involves cross-functional collaboration, lea ...

Lead AI & Emerging Tech Engineer — GenAI Solutions

A global investment organization is seeking a Lead Engineer for AI & Emerging Tech in Toronto. This hands-on role requires driving the design and deployment of next-gen tech solutions while mentoring engineers. The ideal candidate will have significant experience in Python, AWS cloud, and emerging technologies, ...

Staff Network Automation Engineer — Global Platform Lead

A leading athletic apparel company in Metro Vancouver is seeking a Staff Engineer to lead network automation initiatives. This role involves defining architecture, leading engineering solutions, and ensuring optimal network performance. The ideal candidate will have extensive experience in Python and AWS, with s ...

Substation Project Engineer — HV/EHV Design Lead

A leading engineering firm located in Alberta, Canada, is seeking Project Engineers to develop high voltage substation projects. This role involves managing project scopes, schedules, and budgets, while collaborating with multi-disciplinary teams. Candidates should have a Bachelor's degree in Electrical Engineer ...

Lead Electrical Engineer – Transformers & R&D (Hybrid)

A leading transformer manufacturing company located in Ontario is seeking a Senior Electrical Engineer to lead electrical design reviews and product improvements. The role requires a Bachelor’s degree in Electrical Engineering and a minimum of 10 years of experience, focusing on transformer technology. Proficien ...

Lead Frontend Engineer: Next.js/React Architect & Mentor

A leading recruiting firm in Canada is seeking a Lead Frontend Engineer with 8-12 years of experience in frontend development to create high volume websites. You should be proficient in Next JS, React, and GraphQL, and possess strong leadership skills. This role involves overseeing architecture, design, web perf ...

Process Safety Engineer PSM & Loss Prevention Lead

A public energy infrastructure company is seeking a Process Safety Engineer in Prince George, BC. This full-time position involves developing, implementing, and sustaining process safety management systems, conducting audits, and ensuring compliance with safety standards. The ideal candidate has an engineering d ...

Senior Water Infrastructure Engineer Lead Design Projects

A global engineering firm in Vancouver is seeking a Senior Engineer - Water Infrastructure. This role involves leading the design team for water and wastewater projects, project management, and mentoring junior staff. Candidates should have a Bachelor's in Engineering and at least 10 years of relevant experience ...

Second Engineer | Offshore Vessel Power & Maintenance Lead

A leading offshore service provider in Canada is seeking a Second Engineer to work on Canadian Flagged Offshore Support Vessels. This role involves managing mechanical installations and maintaining vessel seaworthiness. Candidates should have a background in Marine Engineering and relevant certifications. The su ...

Water/Wastewater Process Engineer — Hybrid, Lead Projects

A global infrastructure consulting firm in Toronto is seeking a Process Engineer - Water/Wastewater. This role involves designing municipal servicing projects like sewage pumping stations, coordinating with clients and agencies, and ensuring project quality. Ideal candidates have a Bachelor's Degree in Engineeri ...

Senior Java Full Stack Engineer & Tech Lead

A leading technology consultancy in Toronto is seeking an experienced Senior Full Stack Developer to design and maintain scalable web applications across various technologies. This position requires strong skills in frontend and backend development, with experience in modern frameworks and cloud platforms. Candi ...

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 Full Stack Engineer: Java & React, Cloud

A leading technology provider in Toronto is seeking a Software Engineer to develop back-end and front-end code for proprietary software. The role involves code reviews, testing implementation, and active participation in team activities. Ideal candidates will have over 5 years of software engineering experience, ...

Senior Structural Engineer – Lead Projects, Hybrid Work

A leading structural engineering firm in Edmonton seeks a Senior Structural Engineer to lead design efforts and mentor junior engineers. Candidates should have an engineering degree in civil or structural engineering, with 7+ years in the AEC industry. This position offers a competitive salary of $95,000 - $125, ...

Underground Mining Engineer Design, Optimize & Lead Projects

A leading environmental consulting firm based in Calgary, Canada, is seeking a Mining Engineer to lead projects in mine operations and design. The role involves developing mine designs, conducting feasibility studies, and managing project workflows. Ideal candidates should hold a degree in mining engineering and ...

Senior Mechanical Engineer (P.Eng.) – Infra Systems Lead

A multidisciplinary engineering consulting firm is seeking a Senior Mechanical Engineer (P.Eng.) to lead the design and delivery of mechanical systems for municipal and industrial projects. The successful candidate will manage complex engineering calculations, ensure compliance with relevant codes, and mentor ju ...

West Coast Mass Timber Practice Lead Engineer

A structural engineering firm is seeking an experienced individual to lead their mass timber practice across the West Coast. This role combines project leadership with business development and requires a proven background in timber engineering with 8+ years of experience. Responsibilities include designing compl ...

Lead Data Engineer Databricks & Real Time Analytics

A leading data engineering firm in Toronto is seeking a Team Lead for Data Engineering. You will lead and mentor a team, design Databricks solutions, and optimize ETL/ELT pipelines. The ideal candidate has over 8 years of data engineering experience, strong programming skills in Python and Spark, and a proven tr ...

Senior Project Engineer Substation & Power Gen Lead

A leading engineering firm in Vancouver is seeking a Senior Project Engineer to manage engineering aspects of complex projects. The role requires a degree in engineering, significant experience in transmission substations, and strong leadership skills. Responsibilities include coordinating engineering work, over ...

Senior ADMS Lead Engineer Systems Delivery Expert

A leading engineering firm in Toronto, Ontario, is looking for an ADMS Lead. This role involves providing guidance on projects and ensuring system readiness across various ADMS workstreams. Candidates should have 10-15 years of experience with ADMS/OMS implementations and a strong ability to resolve complex issu ...

Senior Mineral Process Engineer Lead Flowsheet Design

A Canadian mineral processing solutions provider is seeking a Senior Mineral Processing Engineer to provide technical leadership across proposal development and execution support. The ideal candidate will lead teams, optimize process designs, and engage with clients globally. Required qualifications include a Pr ...

Lead Design Systems Engineer React/TS, Hybrid

A global leader in financial services is seeking a Lead Developer for Design Systems to evolve their design system. This role involves building reusable UI components using React, maintaining cross-browser compatibility, and contributing to back-end services. The ideal candidate has over 5 years of experience in ...

Lead Digital Build Engineer: BIM, Civils & Automation

A renowned engineering firm is recruiting a Project Engineer to lead the Digital Build role at the Monklands Replacement Project in Airdrie, Alberta. This position requires experience in managing complex civil and structural projects, with a strong focus on digitalisation. The ideal candidate will have expertise ...

Senior Welding Engineer — Lead Nuclear Pressure Vessel

A leading engineering company in Canada seeks a Senior Welding Engineer to develop welding procedures, troubleshoot issues, and support complex projects. The ideal candidate will have a Mechanical Engineering degree and experience in welding processes. The company promotes a collaborative environment and offers ...

Principal Full Stack Engineer: Trading Platforms Lead

A leading staffing and consulting firm in Toronto seeks a Principal Full Stack Engineer to design and develop critical trading and analytics platforms. This role requires extensive experience in backend and frontend development, and collaboration with quantitative researchers. Ideal candidates have over 10 years ...

Lead SerDes Systems Engineer High Speed Transceivers

A leading technology firm located in Peel Region, Mississauga, is seeking an accomplished engineer specializing in high-speed serial-link transceiver development. Responsibilities include developing SerDes system models, running simulations, and assisting customers with system performance issues. The ideal candi ...

Senior Tailings Engineer: Lead TSFs & Water Systems

A leading engineering firm is looking for a Geotechnical Engineer specializing in mine tailings management to join their team in Montreal. The role involves leading complex projects related to tailings storage facilities and conducting thorough risk assessments. The ideal candidate will have a Master’s degree in ...

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 ...

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