655,579+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Rust Backend Engineer: Lead Systems, AI Tooling & Scale

A leading streaming service in Toronto is looking for a Senior Software Engineer specializing in Rust. In this role, you will lead the development of backend services and tools, focusing on high-performance system architecture. Candidates should have at least 4 years of software development experience, particula ...

Licensed Electrical Engineer (P.Eng) Rail T&C Lead

A leading transportation company is seeking a licensed Electrical Engineer (P.Eng.) in Mississauga, Canada. This role involves overseeing Testing and Commissioning activities related to revenue vehicles for the Hurontario LRT Project. The ideal candidate possesses a Bachelor's in electrical engineering and a P.E ...

Senior Mechanical Engineer Lead Design for Mining & Metals

A multi-disciplinary engineering firm is seeking a Senior Mechanical Engineer in Vancouver. You will lead mechanical designs and supervise engineers while addressing client design issues. Ideal candidates have over 10 years of experience in mechanical design, strong problem-solving skills, and familiarity with C ...

Hospital 4th Class Power Engineer BAS & HVAC Lead

A leading facilities management company in the North Slave Region is seeking a 4th Class Power Engineer to oversee the operation and maintenance of essential building systems, including HVAC and fire alarm systems. This role requires a strong background in similar positions, ideally within healthcare settings, a ...

Senior QA Automation Engineer – Selenium with Java Lead

A leading IT consulting firm in Toronto is looking for a Senior Quality Assurance Automation Engineer with over 6 years of experience. The ideal candidate will have expertise in Selenium with Java, a strong background in both functional and automation testing, and the ability to design and maintain automation fr ...

Senior Hardware Design Engineer — High Speed PCB Lead

A leading technology company in Ottawa is seeking a Senior Hardware Design Engineer to lead the design and development of complex hardware circuits. You will collaborate with multidisciplinary teams ensuring high-quality solutions while mentoring junior engineers. The ideal candidate has over 7 years of experien ...

Staff Physical Design Engineer — Advanced Node ASIC Lead

A leading company in next-generation digital connectivity is seeking a Staff Physical Design Engineer responsible for high-speed digital block design. The ideal candidate will drive physical design processes, optimize designs for area and power, and collaborate across engineering teams to resolve implementation ...

Assistant Chief Power Engineer – Biomass Plant Operations Lead

An environmental services provider in Canada is seeking an Assistant Chief Power Engineer. The role entails supervising operations, ensuring safety compliance, and managing a team for plant operations. A valid Power Engineer’s Certificate and at least ten years of experience in power plant machinery are preferre ...

Senior IT Project Engineer Lead Cloud & VOIP Projects

A technology consulting firm in Winnipeg is seeking a Senior IT Project Engineer. This leadership role involves managing complex IT projects, designing client-specific solutions, and mentoring junior engineers. Candidates must have a Bachelor's in IT, over 5 years' project delivery experience, and strong communi ...

Senior Substation Engineer HV Design Lead (Flexible Work)

ENTRUST Solutions Group seeks a Sr. Substation Engineer to join its Calgary office. The role involves preparing engineering designs and specifications for high voltage substations, offering mentorship and managing engineering projects. Ideal candidates will have extensive experience in the utility industry and a ...

Civil/Municipal Project Engineer — Lead Multi Project Delivery

A leading environmental consulting firm in Winnipeg is looking for a Civil/Municipal Project Engineer to lead municipal infrastructure projects. The ideal candidate will have a Bachelor's degree in Civil Engineering, hold a Professional Engineer registration with APEGM, and possess 5-10 years of relevant experie ...

Lead 3D Rendering Engineer for Innovative Graphic Solutions

Take the helm as a Senior Rendering Engineer, driving innovation in 3D graphics development. Focus on real-time rendering techniques that redefine visual quality across diverse platforms.In this influential role, you will utilize your extensive C/C++ programming expertise and passion for graphics to le ...

Lead Test Engineer for GPU and Data Centers

Become a Lead Test Engineer specializing in GPU and data center platforms. Oversee comprehensive testing solutions to ensure top-notch product quality and efficient manufacturing processes.This role is pivotal in supporting robust test solutions through every phase of product development, from initial ...

Senior Lead Engineer — Java & React, Cloud Native & AI

A leading technology firm in Canada is seeking a Senior Lead Engineer with deep expertise in Java, React, and cloud-native development. This role requires technical leadership, architectural ownership, and team mentoring in a dynamic environment. Responsibilities include leading design and development of applica ...

Senior DevOps Engineer Cloud, CI/CD & Automation Lead

A technology firm specializing in cloud engineering is seeking a DevOps Engineer to lead DevOps workflows and mentor the development team. This fully remote position welcomes candidates from anywhere in Canada. The ideal candidate will have over 5 years of experience with cloud platforms, automation practices, a ...

Lead Pipeline Hydraulics Engineer for Innovative Energy Solutions

Drive hydraulic modeling as a Pipeline Hydraulics Engineer in a remote-first environment. Collaborate with diverse teams to enhance safety, efficiency, and environmental sustainability in heavy industry applications.This role focuses on leading the hydraulic modeling component for complex energy projec ...

Transmission Line Project Engineer: Lead Design and Management

Elevate your career as a Senior Transmission Line Engineer focusing on innovative energy solutions. Define and lead critical projects that enhance transmission networks and foster sustainable energy initiatives.In this key role, you will manage technical design aspects of overhead high voltage transmis ...

Senior iOS Engineer: Lead Architect & AI Driven Mobile

A professional sports league in Toronto is seeking a Senior iOS Engineer to lead the design and development of innovative mobile applications. This role emphasizes mentorship of junior engineers while leveraging cutting-edge tools and best practices in iOS development. The ideal candidate will have 6-8 years of ...

Staff AI Engineer: Lead AI‑Powered Security Platform

A leading cybersecurity company in Canada is seeking a Staff AI Engineer to lead AI capabilities using innovative technologies. The role demands strong software engineering experience and a track record of delivering AI-powered products. Candidates should exhibit proficiency in TypeScript and cloud infrastructur ...

Lead Piping Design Engineer in Energy Sector Projects

Join a dynamic team as a Senior Piping Engineer, specializing in innovative facility designs. Lead the development of safe and efficient piping systems while mentoring junior engineers in a collaborative setting.In this pivotal role, you will demonstrate your technical expertise by guiding project exec ...

Lead Mechanical Engineer for Advanced Power Generation Projects

Elevate your career as a Senior Mechanical Engineer specializing in power generation. Drive innovation and lead design efforts in a forward-thinking energy team committed to sustainability.With over 15 years of mechanical engineering design experience, you will lead complex projects within the power ge ...

Senior Mechanical Engineer, Power Gen – Lead Energy Projects

A leading engineering firm is seeking a Senior Mechanical Engineer in Calgary, Alberta, to lead projects within the Energy sector. The role involves designing mechanical systems for Power Generation and addressing energy transition challenges. Candidates should have over 15 years of experience and a Bachelor's d ...

Senior Microelectronic Design Engineer End to End Lead

A leading technology firm in Canada is seeking a Senior Microelectronic Design Engineer to lead product development in microelectronics. The role involves collaborating with a multidisciplinary team, managing product documentation, and ensuring product compliance. Ideal candidates will have a Bachelor's Degree i ...

Lead QA Automation Engineer CI/CD & Performance Testing

A technology services company in Edmonton is seeking an experienced QA Automation Specialist to lead quality delivery in digital services. The role involves creating test plans, implementing system tests, and collaborating on automation practices. Candidates should have a strong background in automation testing ...

Senior Release Engineer & Tech Lead .NET/Azure DevOps

Une entreprise technologique recherche un Release Manager à Montréal pour gérer des environnements complexes. Le candidat idéal a plus de 7 ans d'expérience, de solides compétences en développement .NET, et expert en DevOps avec Azure. Ce rôle inclut la gestion de code source, l'optimisation de pipelines CI/CD, ...

Lead Mechanical Engineer for Advanced Power Generation Projects

Elevate your career as a Senior Mechanical Engineer specializing in power generation. Drive innovation and lead design efforts in a forward-thinking energy team committed to sustainability.With over 15 years of mechanical engineering design experience, you will lead complex projects within the power ge ...

Senior Traffic Engineer | Lead Design & Growth in Mobility

A leading civil engineering firm is seeking a Sr. Traffic Engineer to manage traffic engineering design and analysis projects in California. The role involves technical leadership, business development, and staff development in a collaborative environment. Ideal candidates will have 10+ years of experience and a ...

Chief Boiler Engineer: Lead Safe & Efficient Plant Operations

A prominent Canadian packaging company is seeking a Chief Engineer, Boiler Room for their Scarborough facility. This role offers critical operational leadership to ensure the safe and efficient functioning of all boiler house systems. Candidates must have TSSA 1st Class Certification and a minimum of 10 years of ...

Senior Release Engineer & Tech Lead .NET/Azure DevOps

Une entreprise de technologie à Montréal recherche un Release Manager pour opérer dans un environnement complexe, alliant compétences en .NET et méthodes DevOps. Ce rôle requiert la capacité d'opérer directement dans le code, d'optimiser les pipelines CI/CD, et de travailler en collaboration avec plusieurs équip ...

Lead Python Full Stack Data Engineer Vice President

For additional information, please review .We are assembling an **A-team** of highly skilled, autonomous, and visionary engineers, and we are seeking an exceptional Lead Full Stack Data Engineer to join our high-performing, co-located squads in Canada. This senior role is for a hands-on player/coach who not only ...

Senior QA Engineer — Lead Automation (SAP/TOSCA) Bilingual

An established industry player is seeking a Senior Software QA Engineer to lead testing services and enhance quality assurance processes. In this dynamic role, you will collaborate with teams to develop testing strategies and frameworks while mentoring junior staff. Your expertise in test automation and strong c ...

Lead Electrical Engineer – EBOP Systems for Hydro Plants

Une entreprise d'ingénierie internationale recherche un ingénieur électricien basé à Brossard pour concevoir et gérer des systèmes BOP électriques dans des centrales hydroélectriques. Le candidat idéal aura entre 8 et 12 ans d'expérience et sera membre de l'OIQ. Les responsabilités incluent la conception, la ges ...

Lead Python Full Stack Data Engineer Vice President

We are assembling anA-teamof highly skilled, autonomous, and visionary engineers, and we are seeking an exceptional Lead Full Stack Data Engineer to join our high-performing, co-located squads in Canada. This senior role is for a hands‑on player/coach who not only masters the full spectrum of ...

Lead AI Backend Engineer: GenAI for Finance (Hybrid)

A global leader in information services seeks a Lead Software Engineer in Toronto. You will innovate in a fast-moving environment, designing backend services to develop AI-driven systems for accounting. Your strengths in Python, FastAPI, and scalability will be essential as you lead teams, ensuring robust perfor ...

Lead Mechanical Engineer for Advanced Power Generation Projects

Elevate your career as a Senior Mechanical Engineer specializing in power generation. Drive innovation and lead design efforts in a forward-thinking energy team committed to sustainability.With over 15 years of mechanical engineering design experience, you will lead complex projects within the power generati ...

Senior Mechanical Engineer, Power Gen – Lead Energy Projects

A leading engineering firm is seeking a Senior Mechanical Engineer to join the Energy team in Vancouver. This position focuses on power generation projects, requiring 15+ years of design experience and a Bachelor in Mechanical Engineering. Ideal candidates will lead complex engineering tasks and mentor others wh ...

Senior Release Engineer & Tech Lead .NET/Azure DevOps

Une entreprise technologique à Montréal recherche un Release Manager hautement technique possédant une solide expérience en développement .NET et DevOps. Le candidat idéal doit être capable d'optimiser des pipelines CI/CD et de résoudre des problèmes techniques complexes, tout en travaillant dans un environnemen ...

Lead Process Improvements as a Senior Manufacturing Engineer

Drive efficiencies and innovation in manufacturing as a Senior Engineer. Focus on process development, team leadership, and implementation of new product solutions.This role requires you to enhance manufacturing operations through lean methodologies while leading cross-functional project teams. Key skills in ...

Senior Test Engineer In Office QA Lead, Vancouver

A technology company is seeking a mid-senior level professional for a full-time role in Vancouver, specializing in manual and functional testing. The ideal candidate will review bugs, follow up on issues, and collaborate with offshore teams. Familiarity with various testing processes and tools is crucial. Salary ...

Senior Engineer in Instrumentation and Process Automation (Lead)

Overview We are seeking an experienced Instrumentation and Process Automation Engineer to join our multidisciplinary team. In this key role, you will act as a technical lead on large-scale projects, from requirements definition through commissioning. You will play a central role in developing robu ...

Lead AI Engineer, Banking Technology Senior Vice President

Role Overview We are seeking an AI‑first Lead AI Engineer to define, architect, and deliver enterprise‑scale AI solutions across Investment, Corporate, and Commercial Banking. This role combines deep hands‑on technical leadership with architectural ownership, driving the adoption of LLMs, agentic ...

Lead AI Engineer, Banking Technology Senior Vice President

Role OverviewWe are seeking an AI‑first Lead AI Engineer to define, architect, and deliver enterprise‑scale AI solutions across Investment, Corporate, and Commercial Banking. This role combines deep hands‑on technical leadership with architectural ownership, driving the adoption of LLMs, agentic workfl ...

Lead Data and Machine Learning Engineer at Sanofi

Transform healthcare data solutions at Sanofi as the Lead Data and Machine Learning Engineer. Spearhead impactful projects using AI to derive deeper insights and foster team growth.In this influential role, you will deploy state-of-the-art ML techniques while also mentoring junior engineers. Your hands ...

Senior Physical Design Engineer: Lead Next Gen Tapeouts

A leading technology firm in Toronto is seeking a skilled engineer for physical design roles. The ideal candidate will lead next-generation PHY IP design and collaborate closely with the RTL and Analog teams. Responsibilities include physical design implementation and ensuring successful design tapeouts. Candida ...

Lead Backend Engineer for AI Integrated Commerce Development

Transform a commerce landscape through advanced backend engineering. In the Principal Backend Developer role, you'll be pivotal in developing robust APIs and secure orchestrations for AI-enhanced transactions.As a principal engineer, you'll utilize over a decade of experience to build systems enabling AI age ...

Principal Process Safety Engineer: Lead Fire & Risk Systems

A global professional services company is seeking a Principal Process Safety Engineer based in Calgary or Edmonton, Alberta. The role involves ensuring design compliance with safety standards, managing process safety activities, and leading safety engineering contractors. Ideal candidates will have extensive exp ...

Lead ML Platform Engineer Role at RBC Borealis

Join RBC Borealis as a Lead ML Platform Engineer, driving innovation in AI and data. You'll build and support crucial platform capabilities for effective ML model deployment.Your expertise in Kubernetes, automation, and data governance will shape the platform's future at RBC. You’ll engage with cutting-edge ...

Dynamic Senior Structural Engineer: Lead Nuclear Safety Solutions

Step into a pivotal position as a Senior Structural Engineer, specializing in nuclear safety and design solutions. Leverage your extensive experience to ensure structural integrity and compliance in a hybrid work environment.As a key player, you will possess a Civil Engineering degree and Canadian prof ...

Lead Process Improvements as a Senior Manufacturing Engineer

Drive efficiencies and innovation in manufacturing as a Senior Engineer. Focus on process development, team leadership, and implementation of new product solutions.This role requires you to enhance manufacturing operations through lean methodologies while leading cross-functional project teams. Key ski ...

Senior Mechanical Engineer, Power Gen – Lead Energy Projects

A leading engineering firm in Canada is looking for a Senior Mechanical Engineer to join its Energy team. This role focuses on power generation projects and requires a Bachelor's in Mechanical Engineering, along with over 15 years of relevant design experience. You will lead complex engineering designs and colla ...

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