658,327+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead AI Voice Engineer — Real Time Public Safety (Remote)

A mission-driven SaaS startup in Canada is seeking an Engineering Lead for their Voice AI product aimed at improving emergency response communications. The role involves software architecture, integrating advanced AI technologies, and leading a small team. Ideal candidates will have a strong background in softwa ...

Data Enablement Lead Engineer for Enterprise Platforms and APIs

Drive enterprise data strategy as a Lead Engineer in Data Enablement. Innovate secure and scalable backend services and tools to enhance user access and governance for data products in a hybrid setting.In this key position, you'll focus on designing and building robust data services that empower the organiza ...

Senior Substation Engineer — 25–240kV Design Lead (PTO/RRSP)

A leading engineering company in Winnipeg is seeking a Senior Substation Engineer to join their dynamic team. You will design outdoor substations for electrical facilities, manage engineering tasks, and mentor junior engineers. Requirements include a Bachelor's in Electrical Engineering, APEGA eligibility, and 6 ...

Lead Backend Engineer for High Performance Ad Delivery Systems

Become a Lead Backend Engineer and drive significant advancements in ad technology. Oversee a dedicated team and technically guide a robust hybrid working environment.You will take technical ownership of real-time systems, overseeing their architecture and optimization. This leadership role requires strong h ...

Senior QA Engineer: Full Stack, ML & Cloud Test Lead

A leading healthcare solutions provider in Toronto is seeking a Senior Quality Assurance (QA) Engineer to lead testing efforts for clinical solutions. The successful candidate will ensure quality across development processes, define test automation systems, and collaborate with product management. This role requ ...

Lead Principal Engineer for Advanced Data Solutions and Analytics

Become a Principal Engineer driving innovation in data solutions and analytics. Your leadership will empower teams and set the technical bar for scalable, quality-focused data engineering practices.In this role, you will serve as the senior technical expert within the Enterprise Data & Analytics team. With 6 ...

Lead Electrical Engineer for Innovative Mining and Industrial Projects

Elevate your career as a Lead Electrical Engineer focused on mining and industrial projects. This strategic role emphasizes electrical project design, project management, and mentorship within a supportive team environment.In this position, you will supervise electrical engineering phases for mineral process ...

Lead Civil Engineer Focused on Dams and Hydropower Solutions

Drive excellence as a Senior Civil Engineer specializing in dams and hydraulic structures. This leadership role invites you to utilize your vast experience and shape innovative engineering outcomes in hydropower.In this strategic position, you'll take the reins of project management and technical guidance, m ...

Lead Mechanical Design Engineer Opusing LLC Staffing Agency (Mississauga)

ResponsibilitiesProject Leadership & Support: Spearhead and contribute to multiple sensor projects aimed at developing and qualifying temperature, flow, and pressure sensors for environmental control systems. Cross-Functional Collaboration: Collaborate with diverse teams to conduct trade studies, estab ...

Team lead, Data Engineer / Chef.fe d'équipe Ingénieur.e de données

Horaire : 37,5 heures/semaine – modèle hybride Description du poste Notre client, une entreprise multiculturelle et collaborative et acteur reconnu dans le développement de solutions logicielles intuitives et fiables recherche son prochain chef d'équipe - ingénieur de données qui ...

Lead Geotechnical Engineer At Wsp Northern Bc Prince George

OverviewTake charge of geotechnical excellence with WSP as a Principal Engineer in Prince George, BC. Shape project strategies and development across Northern BC and the Yukon. The Principal Geotechnical Engineer role at WSP offers an prospect to lead complex geotechnical investigations and enhance pro ...

Lead AI Engineer SRE, LLM Agents, Full Stack Architecture

About the OpportunityA leading financial institution is seeking a highly experienced Lead AI Engineer to join its advanced technology division. This is a high-impact, leadership-track role at the intersection of AI engineering, Site Reliability, and enterprise-grade software architecture. The successfu ...

Lead Java Platform Engineer (Payments Processing) Senior Vice President

## Lead Java Platform Engineer (Payments Processing) - Senior Vice PresidentApplyremote type: Hybridlocations: Mississauga Ontario Canadatime type: Full timeposted on: Posted Yesterdayjob requisition id: About the RoleWe are seeking an experienced, hands-on Senior Java Developer to contribute to the d ...

Senior Test Engineer and Project Lead for Quality Assurance

Elevate product standards as a Senior Test Engineering Developer, leading projects and teams toward excellence. Ensure innovative testing processes while collaborating closely with technical experts.This role combines technical leadership and project management responsibilities, providing guidance to test en ...

Co op Model Test Lead Engineer at Lockheed Martin

Enhance your engineering skills with Lockheed Martin as a Co-op Model Test Lead Engineer. Focus on creating testing frameworks and processes in a collaborative Agile team.This summer internship caters to students pursuing degrees in Computer Science, Electrical Engineering, or related fields. You'll be respo ...

Senior Analog/RF IC Layout Engineer Lead High Speed

A leading technology firm in Toronto is looking for a Senior Analog / RF IC Layout Engineer. This role involves designing advanced mixed-signal silicon and collaborating with design teams to ensure layout quality while mentoring junior engineers. The candidate should have over 6 years of experience in high-speed ...

Lead Human Factors Engineer for Hybrid Nuclear HMI Projects

Drive human factors engineering for nuclear projects in a hybrid work environment. Manage vendors and oversee compliance with HFE guidelines across multiple phases from design to commissioning.This pivotal role requires an experienced Human Factors Engineer to guide the execution of the PNR Integrated ...

Senior Naval Systems Project Engineer: Lead Multi‑Mission Defense

A naval technology firm seeks a Senior Project Engineer to lead engineering projects, ensuring successful delivery and quality outcomes. The role demands over 15 years of engineering experience and technical leadership in complex systems. Candidates should possess a relevant degree and a strong understanding of ...

Lead Mine Engineer with Expertise in Planning and Optimization

Exciting opportunity for a Senior Mine Engineer to enhance production strategies. Oversee mine planning and ensure operational efficiency with innovative engineering solutions.As part of the engineering team, you'll manage critical projects and provide mentorship to junior engineers. This senior position emp ...

Python Lead Engineer – Front Office Tech & AI Powered APIs

A leading financial technology company in Peel Region, Mississauga, is seeking an Applications Development Technology Lead Analyst. The candidate will lead systems analysis and programming activities, significantly contributing to Python-based projects. Responsibilities include partnering with management teams o ...

Remote Lead Data Engineer Specializing in Data Pipeline Architecture

Join as a Remote Lead Data Engineer specializing in sophisticated data pipeline architectures. Leverage your technical skills to lead transformative data initiatives while mentoring a team.With over 10 years of relevant experience, you will drive major data engineering initiatives and promote best codi ...

Senior Full Stack Engineer: UI/UX & Data Pipelines Lead

A technology solutions firm is seeking a Senior Full Stack Developer to design and implement data pipelines while delivering high-quality applications. The ideal candidate has over 10 years of experience with Spring Framework, React, CSS, and mobile device coding. This position requires expertise in developing c ...

Lead AI Voice Engineer — Real Time Public Safety (Remote)

A mission-driven SaaS startup in Canada is seeking an Engineering Lead for their Voice AI product aimed at improving emergency response communications. The role involves software architecture, integrating advanced AI technologies, and leading a small team. Ideal candidates will have a strong background in softwa ...

Lead Senior Project Engineer for Advanced Naval Defense Solutions

Shape the future of naval warfare as a Senior Project Engineer. Lead diverse engineering teams, drive innovative technical solutions, and ensure critical project milestones are achieved with precision.As a Senior Project Engineer, you will manage comprehensive engineering work packages while mentoring ...

Lead Engineer for High Voltage Data Center Substation Projects

Drive innovative engineering solutions as a Data Center Substation Engineering Manager. Utilize your extensive design knowledge to lead high voltage projects and mentor technical teams in a collaborative, empowering environment.As an Engineering Manager, you will oversee complex substation projects, gu ...

Lead Automation Engineer for Innovative Mining and Energy Projects

Elevate your career as a key Automation Engineer focused on mining and energy sectors. Collaborate in a multidisciplinary team to enhance project execution and client development in the region.In this regular role, you will be instrumental in project and proposal scope definition, liaising with various ...

Lead Electrical Engineer for Innovative Infrastructure Projects in Canada

Shape Canada's essential infrastructure as a Lead Electrical Engineer. Drive large-scale projects in defence, industrial, and remote sectors through innovative design and technical leadership.In this role, you will contribute significantly to complex infrastructure initiatives, providing technical expe ...

Lead Electrical Engineer for Innovative Water and Wastewater Solutions

Transform the future with your expertise as a Lead Electrical Engineer. Drive complex electrical design and project management in water and wastewater treatment environments, within a collaborative hybrid workplace.In this pivotal role, you will lead electrical aspects across multiple projects, focusin ...

Lead AI Engineer Driving Large Scale Language Model Solutions

Be the driving force behind high-impact AI solutions in a hands-on Lead AI Engineer role. Architect, build, and deliver large-scale LLM systems that transform enterprise processes.In this pivotal position, you will have 8-12 years of software and ML engineering experience, including significant leaders ...

Senior QA Engineer: Full Stack, ML & Cloud Test Lead

A leading healthcare solutions provider in Toronto is seeking a Senior Quality Assurance (QA) Engineer to lead testing efforts for clinical solutions. The successful candidate will ensure quality across development processes, define test automation systems, and collaborate with product management. This role requ ...

Lead Process Engineer / Ingénieur(e) Principal(e) en Procédés

Job location:Montréal, Calgary, or Remote // Lieu de travail : Montréal, Calgary, ou à distance Employment type:Full Time // Type d’emploi : Temps plein About Deep Sky // À propos de Deep Sky Deep Skyis at the forefront of environmental innovation, specializing in Carbon Dioxide Rem ...

Senior Substation Engineer — 25–240kV Design Lead (PTO/RRSP)

A leading engineering company in Winnipeg is seeking a Senior Substation Engineer to join their dynamic team. You will design outdoor substations for electrical facilities, manage engineering tasks, and mentor junior engineers. Requirements include a Bachelor's in Electrical Engineering, APEGA eligibility, and 6 ...

Hybrid Human Factors Engineer: Nuclear HMI & V&V Lead

A staffing solutions company is seeking a Human Factors Engineer for a hybrid role in Pickering. The successful candidate will manage HFE processes, support vendor collaboration, and ensure compliance with safety and performance standards. Candidates must have a four-year engineering degree and relevant CANDU HF ...

Chef ingénieur, civil et structure / Lead Civil, Structure Engineer

G Services Miniers est une compagnie multidisciplinaire qui offre des services professionnels dans le domaine de l'industrie minière, pour des projets sous terre ou de surface, dans les métaux précieux, de base ou industriels. G Services Miniers se classe parmi les plus importantes sociétés de services-conseils ...

Lead Ka Band RF Engineer — High Power Amplifier Systems

A leading satellite communications firm in Montreal is seeking a Principal Radio Frequency Engineer to design and develop high-power RF amplifiers. Ideal candidates will have proven experience in Ka-band RF design, with responsibilities including oversight of RF components and technical leadership on key project ...

Principal Design Engineer/ Mechanical Lead for Mining & Metal projects

Fluor is recognized globally in the engineering industry and seeks professionals to help fulfill its purpose of building a better world. Job Description The purpose of this position is to provide essential administrative processes, technical knowledge, and direction as listed. This positi ...

Lead AI Voice Engineer — Real Time Public Safety (Remote)

A mission-driven SaaS startup in Canada is seeking an Engineering Lead for their Voice AI product aimed at improving emergency response communications. The role involves software architecture, integrating advanced AI technologies, and leading a small team. Ideal candidates will have a strong background in softwa ...

Lead Backend Engineer for High Performance Ad Delivery Systems

Become a Lead Backend Engineer and drive significant advancements in ad technology. Oversee a dedicated team and technically guide a robust hybrid working environment.You will take technical ownership of real-time systems, overseeing their architecture and optimization. This leadership role requires strong h ...

Chef ingénieur, civil et structure / Lead Civil, Structure Engineer

G Services Miniers est une compagnie multidisciplinaire qui offre des services professionnels dans le domaine de l'industrie minière, pour des projets sous terre ou de surface, dans les métaux précieux, de base ou industriels. G Services Miniers se classe parmi les plus importantes sociétés de services-consei ...

Lead Electrical Engineer for Innovative Mining and Industrial Projects

Elevate your career as a Lead Electrical Engineer focused on mining and industrial projects. This strategic role emphasizes electrical project design, project management, and mentorship within a supportive team environment.In this position, you will supervise electrical engineering phases for mineral process ...

Lead Analog Circuit Engineer: Shape the Future of Electronics

Step into the role of Senior Analog Design Engineer, focusing on designing advanced circuits for revolutionary technologies. Leverage a hybrid work model to foster creativity and innovation within a cutting-edge industry.You will play an integral part in a multi-disciplinary team, emphasizing high-performanc ...

Lead Full Stack Applications Engineer Focusing on AI Development

Elevate financial technology as a Senior Software Engineer by driving AI-focused full-stack development. Own architectural decisions and innovate applications that enhance user experiences in a collaborative environment.In this pivotal role, you will join an AI innovation hub, crafting advanced applica ...

Senior Electrical Design Engineer MV/LV Power Systems Lead

A manufacturing leader in electrical solutions in Metro Vancouver is seeking a Senior Electrical Design Engineer to design low and medium voltage power systems. You'll be the main technical contact during manufacturing and testing phases and mentor junior engineers. The ideal candidate should have at least 5 yea ...

Lead Staff Engineer in Offensive Security and Red Teaming

Elevate security standards as a Staff Offensive Security Engineer. Focus on red teaming, real-world testing, and strategic collaboration in a vibrant office setting dedicated to financial innovation.As a central figure, you will lead red team operations and assess vulnerabilities across applications an ...

Ingénieur principal des applications client / Lead Customer Application Engineer

Job Description Summary The Lead Application Engineer is an established leader in their respective engineering team. He or she drives business strategy through detailed technical and economic understanding of the marketplace and takes the initiative to drive business leaders to provide customers with the best so ...

Lead QA Automation Engineer Specializing in AEM and Salesforce

Elevate your career as a Lead QA Automation Engineer, focusing on automated testing for AEM and Salesforce applications. Join Agile teams to ensure high-quality software releases and robust testing processes.In this role, your extensive experience in automation will be pivotal as you create and maintai ...

Lead Engineer for Advanced Custom Analog Layout Design Methodologies

Transform the semiconductor landscape as a Lead Engineer specializing in custom analog layout design. Innovate with scripting languages to optimize methodologies and enhance design efficiency across global teams.This role requires over five years of expertise in custom analog design, with a focus on ad ...

Lead Quality Control Engineer for Systems Development and Safety

Step into the role of a Lead Quality Control Engineer, ensuring safety and quality in production systems. Supervise quality inspections and create maintenance programs in a physically demanding environment.This position involves leading a small team while developing quality assurance protocols and manu ...

Lead AI Voice Engineer — Real Time Public Safety (Remote)

A mission-driven SaaS startup in Canada is seeking an Engineering Lead for their Voice AI product aimed at improving emergency response communications. The role involves software architecture, integrating advanced AI technologies, and leading a small team. Ideal candidates will have a strong background in softwa ...

Lead AI Voice Engineer — Real Time Public Safety (Remote)

A mission-driven SaaS startup in Canada is seeking an Engineering Lead for their Voice AI product aimed at improving emergency response communications. The role involves software architecture, integrating advanced AI technologies, and leading a small team. Ideal candidates will have a strong background in softwa ...

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