840,261+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Senior Software Engineer — Lead Architect & Mentor

A leading tech company in Canada is seeking a Senior Software Engineer to lead the design and implementation of scalable software solutions. You will mentor junior engineers, tackle technical challenges, and collaborate across teams to align technology with business goals. The ideal candidate has extensive exper ...

Lead Software Engineer for AI Systems

Become a Lead Software Engineer at eBay, focusing on innovative agent-based AI systems for global e-commerce improvements. Collaborate on groundbreaking projects that enhance user interactions.In this influential role, you will leverage your extensive work experience to design, build, and operate complex AI ...

Lead Software Engineer for Payment Processing

Shape the future of payment systems as a Principal Software Engineer. Drive technical excellence, optimize engines, and lead impactful projects from a flexible remote setting.In this pivotal role, you will be responsible for overseeing the technical roadmap and implementing modern practices in software desig ...

Lead Software Engineer in AI Development

Take the lead as a Software Engineer focusing on AI at a premier Market Intelligence firm. Drive innovation and architecture while fostering a collaborative and inclusive workplace.This role seeks candidates with 10+ years in large-scale production systems, emphasizing design and implementation of data proce ...

Lead Software Engineer in AI Development

Take the lead as a Software Engineer focusing on AI at a premier Market Intelligence firm. Drive innovation and architecture while fostering a collaborative and inclusive workplace.This role seeks candidates with 10+ years in large-scale production systems, emphasizing design and implementation of data proce ...

Lead Diagnostics Software Engineer, ATE Integration

Overview At AMD, our mission is to build great products that accelerate next-generation computing experiences—from AI and data centers, to PCs, gaming and embedded systems. Grounded in a culture of innovation and collaboration, we believe real progress comes from bold ideas, human ingenuity and a ...

Lead Software Engineer for Payment Processing

Shape the future of payment systems as a Principal Software Engineer. Drive technical excellence, optimize engines, and lead impactful projects from a flexible remote setting.In this pivotal role, you will be responsible for overseeing the technical roadmap and implementing modern practices in software desig ...

Lead Software Engineer for Payment Processing

Shape the future of payment systems as a Principal Software Engineer. Drive technical excellence, optimize engines, and lead impactful projects from a flexible remote setting.In this pivotal role, you will be responsible for overseeing the technical roadmap and implementing modern practices in software desig ...

Lead Software Engineer for Payment Processing

Shape the future of payment systems as a Principal Software Engineer. Drive technical excellence, optimize engines, and lead impactful projects from a flexible remote setting.In this pivotal role, you will be responsible for overseeing the technical roadmap and implementing modern practices in software desig ...

Lead Software Engineer AI (Materia AI)

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization. Are you excited about building AI‑driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the a ...

Lead Software Engineer at Haventree Bank

Become a Technical Lead at Haventree Bank, where you will lead a team dedicated to creating financial solutions on web, iOS, and Android platforms. This role combines leadership, engineering, and a hands-on approach to product development.In this pivotal role, you will guide a team of skilled engineers in de ...

Lead Software Engineer AI (Materia AI)

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.Lead Software Engineer - AI (Materia AI)Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled tea ...

Lead Software Engineer, AI & Emerging Tech

Role Summary As a Lead Engineer for AI & Emerging Tech, you will drive the design, development, and deployment of next‑generation tech and AI‑powered solutions that unlock business value across the organization. This is a hands‑on, coding‑intensive leadership role, where you will code, architect, ...

Lead Software Engineer, Public Markets Technology

Purpose. Performance. People. Joining CPP Investments means joining one of the world’s most admired and respected institutional investors to drive a single mandate: to deliver strong, sustainable returns for generations of Canadians. With a long‑term horizon and global reach, we deploy capital at scale acr ...

Lead Software Engineer AI (Materia AI)

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization. Are you excited about building AI‑driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility ...

Lead Software Engineer, Public Markets Technology

Purpose. Performance. People. Joining CPP Investments means joining one of the world’s most admired and respected institutional investors to drive a single mandate: to deliver strong, sustainable returns for generations of Canadians. With a long‑term horizon and global reach, we deploy capital at scale across pu ...

Lead Software Development Engineer in Test

Take on a pivotal role as a Senior Software Development Engineer in Test located in Vancouver, where creativity meets automation. This hybrid position focuses on ensuring product quality through comprehensive testing methodologies.In this role, you’ll join the Delivery Engineering team to help drive qu ...

Lead Software Engineer at Electronic Arts

Drive innovation in game development as a Lead Software Engineer III at Electronic Arts. Focus on cutting-edge AI workflows and back-end systems for player-generated content.As part of Electronic Arts' Infrastructure & Platform Services, you will be critical in shaping user-generated experiences. This ...

Lead Software Engineer with Capital Markets

Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. The Team TheGlobalMarket Risk Technology teamis a crucial part of the Global Banking & Markets Engineering group. This is an opportunity to work in the exciting ...

Lead Software Engineer AI (Materia AI)

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.Lead Software Engineer - AI (Materia AI)Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly sk ...

Lead Software Engineer, Public Markets Technology

Purpose. Performance. People. Joining CPP Investments means joining one of the world’s most admired and respected institutional investors to drive a single mandate: to deliver strong, sustainable returns for generations of Canadians. With a long‑term horizon and global reach, we deploy capital at scale across pu ...

Lead Diagnostics Software Engineer, ATE Integration

OverviewAt AMD, our mission is to build great products that accelerate next-generation computing experiences—from AI and data centers, to PCs, gaming and embedded systems. Grounded in a culture of innovation and collaboration, we believe real progress comes from bold ideas, human ingenuity and a shared ...

Lead Software Engineer at Haventree Bank

Become a Technical Lead at Haventree Bank, where you will lead a team dedicated to creating financial solutions on web, iOS, and Android platforms. This role combines leadership, engineering, and a hands-on approach to product development.In this pivotal role, you will guide a team of skilled engineers ...

Lead Software Engineer AI and SaaS

Take the lead as a Software Engineer, specializing in AI and SaaS application development. Tackle backend and frontend challenges while driving innovative solutions for complex enterprise problems.In this senior role, you will spearhead development initiatives focused on generative AI technologies. Your cont ...

Lead Software Engineer AI and SaaS

Take the lead as a Software Engineer, specializing in AI and SaaS application development. Tackle backend and frontend challenges while driving innovative solutions for complex enterprise problems.In this senior role, you will spearhead development initiatives focused on generative AI technologies. Your cont ...

Lead Software Engineer AI and SaaS

Take the lead as a Software Engineer, specializing in AI and SaaS application development. Tackle backend and frontend challenges while driving innovative solutions for complex enterprise problems.In this senior role, you will spearhead development initiatives focused on generative AI technologies. Your cont ...

Lead Software Engineer at Compass Digital

Compass Digital seeks a Lead Software Engineer to transform the hospitality experience in Toronto. Utilize your expertise in engineering to mentor teams and deliver high-quality solutions.This role combines leadership and hands-on development, requiring 8+ years of software engineering experience and at leas ...

Senior/Lead Software Engineer, Network Systems

Senior/Lead Software Engineer, Network Systems Arista Networks is an industry leader in data‑driven, client‑to‑cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computin ...

Lead Software Engineer AI and SaaS

Take the lead as a Software Engineer, specializing in AI and SaaS application development. Tackle backend and frontend challenges while driving innovative solutions for complex enterprise problems.In this senior role, you will spearhead development initiatives focused on generative AI technologies. Your cont ...

Lead Software Engineer AI and SaaS

Take the lead as a Software Engineer, specializing in AI and SaaS application development. Tackle backend and frontend challenges while driving innovative solutions for complex enterprise problems.In this senior role, you will spearhead development initiatives focused on generative AI technologies. Your cont ...

Lead Diagnostics Software Engineer, ATE Integration

DIAGNOSTICS Engineer At AMD, our mission is to build great products that accelerate next-generation computing experiences—from AI and data centers, to PCs, gaming and embedded systems. Grounded in a culture of innovation and collaboration, we believe real progress comes from bold ideas, human ingenuity and a sha ...

Lead Software Engineer, AI & Emerging Tech

Role SummaryAs a Lead Engineer for AI & Emerging Tech, you will drive the design, development, and deployment of next‑generation tech and AI‑powered solutions that unlock business value across the organization. This is a hands‑on, coding‑intensive leadership role, where you will code, architect, pilot ...

Lead Software QA Engineer at Everflow

Drive quality assurance initiatives as a Lead Software QA Engineer at Everflow. Oversee the automation roadmap while working on our innovative SaaS Partner Marketing platform.In this Senior SDET position, your expertise will guide the development of a robust quality assurance framework. You will be an ...

Lead Software Engineer, Public Markets Technology

Purpose. Performance. People. Joining CPP Investments means joining one of the world’s most admired and respected institutional investors to drive a single mandate: to deliver strong, sustainable returns for generations of Canadians. With a long‑term horizon and global reach, we deploy capital at ...

Lead Software Engineer | Upto $70/hr

We’re looking for experienced Software Engineers to complete Coding tasks in a variety of Enterprise Languages. Target DomainsSystems + Build Toolchains : C, Rust Enterprise JVM / Build Ecosystems : C#, Kotlin, Scala, Swift Production Web + Ops Scripting : Ruby, PHP, Perl Scientific / Quant Computing : ...

Lead Flight Software Engineer C++ VxWorks

Elevate your career at MDA Space as a Lead Flight Software Engineer with expertise in C++ and VxWorks. This hybrid position focuses on creating safety-critical flight software.Taking a leadership role on the Robotics & Space Operations team, you will drive subsystem design and implementation while fost ...

Lead Software Engineer for Enterprise Languages

Join a cutting-edge team seeking a Lead Software Engineer with expertise in Enterprise Languages. Leverage your skills in systems, build toolchains, and production web scripting.We are searching for an experienced Software Engineer responsible for completing coding tasks within various domains, including C, ...

Lead Software Engineer for Enterprise Languages

Join a cutting-edge team seeking a Lead Software Engineer with expertise in Enterprise Languages. Leverage your skills in systems, build toolchains, and production web scripting.We are searching for an experienced Software Engineer responsible for completing coding tasks within various domains, includi ...

Lead Quality Software Engineer in Toronto

Enhance quality processes with Hitachi Rail as a Lead Quality Software Engineer in Toronto, Ontario. This hybrid role focuses on engineering quality and team empowerment.As a Lead Quality Software Engineer, you'll drive quality maturity practices and support operational teams in managing quality effect ...

Lead Software QA Engineer in Brossard

Join Eaton EESS Division as a Lead Software QA Engineer in Brossard, Québec, with a hybrid work environment. Focus on team management and elevating software quality standards before product launches.In this pivotal role, you will guide a team of QA engineers to ensure that software meets high-quality b ...

Lead Software Engineer at IT Consulting

Elevate your career as a Lead Software Engineer in a dynamic IT consulting firm. This role emphasizes advanced system integration, software development lifecycle, and client collaboration.This position requires a Bachelor's degree and over five years of experience in software engineering. The successfu ...

Lead Software Engineer in Data Delivery

Unlock the power of marketing data at StackAdapt as a Senior Staff Software Engineer. Drive technical leadership in data delivery to enhance marketing analytics and customer insights.StackAdapt is seeking a Senior Staff Software Engineer to lead strategic initiatives in the Data Delivery department. Th ...

Thomson Reuters AI Lead Software Engineer

Join the cutting-edge team at Thomson Reuters as a Lead Software Engineer, shaping AI-driven software solutions that enhance accounting workflows. This hybrid role requires strong Python expertise and hands-on backend development.In this pivotal position, you will design and implement scalable backend ...

Lead Software Engineer at Consulting Firm

Elevate your career as a Lead Software Engineer in a consulting firm based in Toronto. Focus on driving software solutions and integrating complex systems in a full-time capacity.This role requires detailed coordination of system development and functionality definition while optimizing architecture th ...

Lead Software Engineer at Citi Insight

Join Citi as a Lead Software Engineer, architecting scalable applications and optimizing data processing. This hybrid role focuses on regulatory reporting and modern technologies.In this senior position at Citi's Insight team, you will lead applications systems analysis and programming, ensuring compli ...

Banyan Software Forward Deployed Engineer Lead

Join Banyan Software as a Forward Deployed Engineer Lead, working remotely to drive application modernization and define best practices. Engage in deep technical leadership and assist teams in adopting cloud-native solutions.This critical role demands a full-stack software engineer with advanced skills ...

Lead Software Engineer for Airport Technology

Elevate airport inspection systems as a Lead Software Engineer at Illuminex AI. Utilize your software skills to implement robust inspection automation solutions worldwide.In this senior role, you will manage the full lifecycle of the InspectEx software, ensuring high-quality deployment in operational e ...

Lead Software Test Engineer at EllisDon

Elevate your career at EllisDon as a Lead Software Development Engineer in Test, ensuring high standards in complex projects. Utilize your expertise in API testing and tool development for impactful solutions.This senior position focuses on managing quality throughout multiple high-priority projects. Y ...

Lead Software Engineer for AI Solutions

Shape the future of fleet management with Element as a Lead Software Engineer specializing in AI-assisted solutions. Drive end-to-end delivery of innovative applications and enhance client experiences.In this pivotal role in Toronto, you will guide dynamic development teams. Your expertise in backend enginee ...

Lead Software Engineer at Consulting Firm

Elevate your career as a Lead Software Engineer in a consulting firm based in Toronto. Focus on driving software solutions and integrating complex systems in a full-time capacity.This role requires detailed coordination of system development and functionality definition while optimizing architecture through ...

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