658,287+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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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 ...

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 a tale ...

ADMS Lead Engineer: Driving Technical Solutions and Project Success

Take charge as an ADMS Lead Engineer, steering the implementation of cutting-edge solutions. Collaborate with project teams to ensure the effective delivery of ADMS and OMS systems across diverse applications.This senior position focuses on providing guidance for technical solutions while ensuring that syste ...

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 ...

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 ...

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 Value Engineer – Drive Value for Global SaaS (Mumbai)

A leading process intelligence company seeks a Lead Value Engineer. You will drive data-driven business transformations, working closely with customers to identify strategic priorities and deliver measurable value. The ideal candidate has extensive analytical experience, strong communication skills, and the abil ...

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 R&D Engineer in AI/ML and HPC

Elevate your career as an R&D Engineer focused on AI/ML and high-performance computing. Build innovative workloads on a leading wafer-scale architecture to set new performance standards.This role within the Advanced Technology Group involves designing advanced scientific workflows and collaborating with inte ...

Lead R&D Engineer in AI/ML and HPC

Elevate your career as an R&D Engineer focused on AI/ML and high-performance computing. Build innovative workloads on a leading wafer-scale architecture to set new performance standards.This role within the Advanced Technology Group involves designing advanced scientific workflows and collaborating with inte ...

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 manufactur ...

Lead Mechanical Engineer Driving Project Success in Mining Sector

Step into a pivotal role as a Mechanical Engineering Lead focused on innovative mining projects. Oversee comprehensive mechanical and piping design while fostering effective collaboration on-site and during travel to key locations.In this crucial position, you will manage all mechanical engineering activitie ...

Senior Geotechnical Engineer Open Pit Lead (14/14 Rotations)

A mining company in Ontario seeks a Senior Geotechnical Engineer to lead the geotechnical department at a new mine. The role involves establishing mine design criteria, developing ground control programs, and analyzing slope stability. Candidates must have a degree in mining engineering, 8+ years of experience, ...

Lead AI Engineer, NLQ & Agentic Systems Toronto, Ontario, Canada

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 connects businesses with on-demand access to highly skilled talent acro ...

Summer Co‑op Program Model‑Focused Test Lead Engineer

Summer Co‑op Program - Model‑Focused Test Lead Engineer Responsibilities Lead the development of a model‑based testing framework Develop a framework to automate test plans and procedures to verify requirements in an Agile environment using Cameo (Cameo/DOORS/Jira) S ...

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 ...

Principal Design Engineer/ Mechanical Lead for Mining & Metal projects

Job Overview Lead mechanical engineering activities on complex projects, ensuring technical accuracy and adherence to codes and standards. Translate global strategic initiatives into project-level procedures and apply cost-competitive execution techniques. Develop and review project scope, estimat ...

Applied AI, Technical Lead, Forward Deployed AI Engineer Montreal

About Mistral At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting‑edge mod ...

Applied AI, Technical Lead, Forward Deployed AI Engineer Montreal

About the Job Mistral AI is seeking a Technical Lead, Applied AI to drive the technical strategy, execution, and delivery of complex AI solutions for our enterprise customers. In this role, you will lead a project teams of Applied AI Engineers, ensuring the successful deployment of Mistral AI pro ...

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 ...

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 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 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 maintain test ...

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 ...

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 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 advanced ...

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

Overview 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 Sky is at the forefront of environmental innovation, specializin ...

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 Sky is at the forefront of environmental innovation, sp ...

Lead R&D Engineer in AI/ML and HPC

Elevate your career as an R&D Engineer focused on AI/ML and high-performance computing. Build innovative workloads on a leading wafer-scale architecture to set new performance standards.This role within the Advanced Technology Group involves designing advanced scientific workflows and collaborating with inte ...

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 ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

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 ...

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 ...

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 coding pra ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 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 ...

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 ...

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