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

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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 ...

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 ...

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 ...

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 ...

AI Prompt Engineer — Lead Custom AI Automations

A leading AI automation company in Toronto is seeking an AI Prompt Engineer to bridge the gap between its automation platform and customer needs. You'll engage with customers to optimize implementations and enhance their automation processes. Ideal candidates will have strong AI prompting skills and experience i ...

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 ...

Principal Engineer, Apps Lead Cross Platform Streaming

A leading tech company in Toronto is seeking a Principal Engineer to lead the cross-functional client engineering team for a high-performance video streaming platform. The ideal candidate will have over 10 years of software engineering experience, with deep expertise in mobile and web development, and a passion ...

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 ...

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 Lead Mechanical Engineer Mining and Metals

Senior Lead Mechanical Engineer - Mining and Metals 5 days ago Be among the first 25 applicants This range is provided by CIMA+. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$142,720.00/yr - CA$192 ...

Senior FinTech Backend Engineer & Data Pipelines Lead

A global travel company is seeking a Staff Software Engineer (FinTech) to join their team in Bangkok, with relocation provided. The ideal candidate will have over 8 years of experience in Java, Kotlin, or similar, and strong proficiency in big data and SQL. This role involves developing robust backend systems, a ...

Lead QA Engineer: Data Warehouse & ETL Testing

A leading health information organization in Toronto seeks a Team Lead for Quality Assurance. This individual will oversee QA processes ensuring the delivery of high-quality applications. Responsibilities include leading a QA team, developing test strategies, and working on automation frameworks. Candidates shou ...

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 ...

Senior Structural Engineer — Lead Innovative Industrial Projects

A multi-disciplinary engineering firm is seeking a Senior Structural Engineer in North Vancouver, British Columbia. The role involves leading design tasks, mentoring junior staff, and ensuring project compliance with engineering standards. Candidates should have a Bachelor's degree in Civil Engineering, a strong ...

Senior Mechanical Engineer HVAC & MEP Lead (GTA)

A leading engineering firm is seeking a Senior Mechanical Engineer to join their team in Vaughan. This role focuses on the design of HVAC and plumbing systems for various projects, requiring extensive experience and collaboration with multidisciplinary teams. Candidates should possess a degree in Mechanical Engi ...

Lead Frontend Engineer In Technology Modernization Calgary

Step into a lead role as a Frontend Engineer focusing on technology modernization. Bring your expertise in building client applications with a robust emphasis on scalability and performance. You will drive both frontend development and orchestration standards, playing a critical role in enhancing existing ...

Senior Water Resources Engineer & Project Lead (Ontario)

A leading engineering firm is seeking a Sr. Water Resources Engineer and Project Manager in Markham, ON. You will manage stormwater designs for developments, collaborating with teams across projects. Ideal candidates will hold a Civil Engineering degree, have 12+ years in stormwater management, and proficiency i ...

Industrial Civil/Structural Engineer Building & Infra Lead

An established industry player in the automotive sector is seeking a skilled Civil Engineer to join their innovative team in Alliston. This role offers the chance to work on a groundbreaking manufacturing project focused on environmental responsibility and technological advancement. As a Civil Engineer, you will ...

Senior Aircraft Maintenance Engineer (AME) Lead Tech

An established industry player is seeking an Aircraft Maintenance Engineer to join their innovative team. This role involves performing essential maintenance and repairs on aircraft, ensuring compliance with industry standards and internal procedures. The successful candidate will provide leadership to junior te ...

Lead 4th Class Engineer – Polar Expedition Vessels

A maritime exploration company based in Canada is seeking a 4th class Engineer to oversee fleet operations, ensuring the safety and success of luxury deep-sea expeditions. Ideal candidates should have at least 10 years of relevant experience, including operations in polar regions. Responsibilities include leadin ...

Civil Engineer/Project Lead Land Development & Subdivisions

Overview Civil Engineer/Project Lead - Land Development & Subdivisions Location: Kitchener (or London), ON, Canada • Type: Full Time Are you ready to advance your career in civil engineering? As a Civil Project Lead, you''ll step into a pivotal role where experience meets leadership. ...

Lead Vehicle Interface Engineer at MacLean Engineering

Drive innovation in mining at MacLean Engineering as a Team Lead for Vehicle Interface, Telematics. Shape the future of underground technology with expert leadership and advanced connectivity solutions.MacLean Engineering seeks a Team Lead to guide engineering teams in developing robust vehicle connectivity ...

Lead AI Automation Test Engineer at Cognizant

Transform Quality Engineering practices as an AI Automation Test Engineer with Cognizant. Architect AI-driven testing solutions to enhance efficiency and coverage across various domains in a hybrid role.Cognizant is seeking an innovative AI Automation Test Engineer to lead initiatives in brand marketing, com ...

Lead Water Project Engineer at STW™

Become a Lead Project Engineer at STW™, concentrating on water safety and volunteer mentorship. Drive research efforts and raise awareness about water contamination risks.In your role at Save the Water™, you'll oversee critical research and analysis related to water systems, working collaboratively with Rese ...

Lead MLOps Engineer Role with Azure Focus

Join RBC Borealis as a Principal MLOps Engineer, specializing in Azure infrastructure and automation for machine learning deployment. This opportunity combines innovation and expertise in driving ML solutions.You’ll work within a team that collaborates with leading researchers to refine machine learning appl ...

Lead Electrical Engineer for High Profile Projects

Become a leading force in electrical design at AECOM, managing high-profile projects in Ontario. Leverage your expertise and guide teams through electrical engineering challenges in this senior role.As a Senior Electrical Engineer, you will be essential in complex building projects, serving as a technical ad ...

Senior Fire Protection Engineer Hybrid Lead Designer

A leading engineering consulting firm is seeking a Senior Fire Protection Engineer in Markham, Canada. In this hybrid role, you will design and deliver fire protection systems for various projects. You will also be responsible for mentoring junior staff and ensuring project compliance with safety standards. The ...

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 Engineer for AI Systems at Upwork

Enhance data-driven decision-making as a Lead Engineer for AI Systems at Upwork in Toronto. Utilize advanced AI capabilities to drive business impact. In this role, you'll be part of the Data Platform & Services (DPS) team, designing and deploying agentic frameworks and natural language querying capabilities ...

Lead Data Engineer With Snowflake Expertise Markham

Lead Data Engineer – Snowflake, AWS Elevate your career as a Lead Data Engineer focusing on Snowflake, AWS, and advanced coding skills. This role requires deep technical knowledge and communication capabilities. Our ideal candidate has over a decade of experience, successfully delivering hi ...

Lead Mechanical Engineer at Federated Co ops

Drive mechanical excellence with Federated Co-operatives Limited in Regina, SK as a Lead Mechanical Engineer. Lead critical projects, mentor junior engineers, and ensure operational success in this in-office role.This permanent position emphasizes technical leadership in mechanical and piping projects. As th ...

Lead Ai Data Engineer At Scribd Vancouver

Drive AI initiatives as a Senior AI Data Engineer on Scribd's Data Platform team. This strategic role empowers you to enhance AI workflows and infrastructure for diverse data applications. Scribd, Inc. seeks a Senior AI Data Engineer with extensive experience in AI/ML infrastructure. You'll spearhea ...

Lead Environmental Engineer or Geoscientist Contaminated Sites

Job Description We have an exciting opportunity for you to join our vibrant and dedicated team in Terrace, British Columbia and Whitehorse, Yukon as a Senior or Lead Environmental Engineer / Geoscientist. In this role, you will guide complex environmental and contaminated sites in ...

Lead Geotechnical Engineer in Multidisciplinary Project Management

Step into a Senior Geotechnical Engineer role and contribute to impactful environmental projects in a hybrid work model. Your role will revolve around soil mechanics and innovative project development.As a senior engineer, you will drive geotechnical project phases from inception to results verification. Col ...

Practice Lead Electrical Forensic Engineer Toronto, Ontario

Practice Lead - Electrical Forensic Engineer Launch and grow our Electrical Forensic Engineering practice focused on investigating electrical failures, fire causes, and energy systems. Location: Toronto, ON Position Type: Full-time, Hybrid Reports To: Preside ...

Senior Lead Mechanical Engineer Mining and Metals

Senior Lead Mechanical Engineer - Mining and Metals Full-time Employee Type: Regular We have an exciting opportunity for a Senior Lead Mechanical Engineer – Mining and Metals who will join our Mechanical Resources Team. In collaboration with the greater Energy and ...

Senior Mechanical Engineer: Mining & Metals Equipment Lead

A leading engineering firm is seeking a Senior Mechanical Engineer based in Vancouver, British Columbia. The role requires extensive experience in mining, metals, and minerals with responsibilities ranging from project execution to vendor coordination. Candidates should possess strong leadership and problem-solv ...

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 ...

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 ...

Senior Geotechnical Tailings Engineer: Field & Design Lead

Join a forward-thinking company dedicated to sustainable mining solutions as a Senior Geotechnical Tailings Engineer. This role involves leading innovative projects that optimize the mining life cycle, ensuring safety and environmental responsibility. You will collaborate with a diverse team of specialists, guid ...

Senior Geotechnical Engineer Prince George Projects Lead

A Canadian engineering firm is seeking a Senior Geotechnical Engineer in Prince George, British Columbia. The role involves project management, providing technical support, and mentoring staff in a collaborative environment. Candidates should hold a degree in Civil or Geological Engineering. The salary range is ...

Process Engineer, Advanced Fuels & Chemicals — Lead Projects

A leading consulting engineering firm in Canada is seeking an Intermediate Process Engineer to lead project execution in the Advanced Fuels and Chemicals sector. The ideal candidate will have over 10 years of relevant experience, a degree in chemical engineering, and strong project management skills. This role i ...

Senior Geotechnical Engineer — Lead Groundwork for Infrastructure

A leading engineering firm is seeking a Senior Geotechnical Engineer in Vancouver to influence impactful projects across Western Canada. The ideal candidate will have over 8 years of geotechnical experience, strong project management skills, and proficiency in geotechnical software. This role offers the opportun ...

Senior Geotechnical Engineer Lead Field & Lab Projects

A leading engineering consulting firm in York Region is seeking an experienced Senior Geotechnical Engineer. Responsibilities include examining soil samples, overseeing laboratory testing, reviewing geotechnical reports, and supporting the Geotechnical Division in delivering projects across various sectors. The ...

Senior Civil/Structural Engineer Industrial EPCM Lead

A professional recruitment agency is seeking a Senior/Lead Civil/Structural Engineer to work in Sarnia, Ontario. The ideal candidate must have over 10 years of experience in the EPCM/industrial sector, proficient in leading structural engineering projects, designing industrial structures, and adhering to regulat ...

Senior Mechanical Engineer Lead Design & BIM (Moncton)

A global engineering leader is seeking a Mechanical Engineer for their Moncton office. The role involves evaluating and specifying mechanical systems, collaborating with team members, and ensuring compliance with engineering standards. Ideal candidates should possess a Mechanical Engineering Degree, a minimum of ...

Nuclear Civil/Structural Engineer – Seismic & Design Lead

A leading engineering firm in the Peel Region is seeking a Civil Engineer with over 8 years of experience in structural analysis and design, particularly for nuclear power plants. The successful candidate will lead projects that involve seismic qualification and compliance with codes and regulations. A Civil Eng ...

Lead Cloud Data Engineer for AI Systems

Become the Lead Data Engineer at an AI-native organization and design cutting-edge data infrastructure for powerful enterprise solutions. Utilize your expertise to operationalize AI through innovative cloud-native platforms.This role calls for a seasoned data engineer with a minimum of 7 years in data archit ...

Ingénieur(e) d'exécution principal/Lead Execution Engineer

Description du poste English version will follow Relevant du Chef d'équipe d'ingénierie, l’Ingénieur(e) d'exécution principal dirige la phase d'exécution technique de projets d'ingénierie complexes, exerce l'autorité technique centrale en orchestrant des équipes interdis ...

Senior frontend engineer (full stack, frontend lead)

Date limite pour présenter sa candidature : 06/14/2026Adresse : 33 Dundas Street WestGroupe de famille d'emploi : Technologie Design, develop, and maintain scalable, secure, and accessible cloud‑based applications supporting business‑critical digital experiences. The role contributes acro ...

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