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

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Lead Software QA Engineer

Lead Software QA Engineer Responsibilities Lead the quality assurance process for both new feature delivery and ongoing maintenance of existing features. Develop comprehensive test plans and execute both automated and manual testing as the product continues to evolve. </ ...

Lead Java Software Engineer

The Role Join the Citi Futures Technology team, a dynamic and fast-paced group at the heart of a growing global business. We are seeking a talented Senior Java Engineer to drive the architecture, design, and implementation of our Futures Data as a Service post-trade orders & executions application ...

Lead Engineer Embedded Software

Job Description Summary In this role you'll be responsible for designing, developing and testing embedded software (firmware), platforms and systems that run on hardware devices tailored to specific product needs. As part of a multi-developer firmware team the major responsibilities will ...

lead software engineer (Toronto)

Overview The following describes the role and its requirements. Languages English Education Bachelor's degree Experience 5 years or more Work setting Consulting firm Information techno ...

Lead Staff Software Engineer

Lead Software Engineer/ Hands-on – Founding Toronto Team We’re helping an AI-native SaaS startup build its Toronto engineering hub , starting with a founding technical leader who’s eager to scale both systems and teams. This is a rare opportunity for a Staff Engine ...

Senior/Lead Software Engineer

Company Description 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 computing, artificial intelligence, ...

Lead Engineer, Embedded Software

Salary Range: CA$140,000.00 To CA$165,000.00 Annually Job Summary The Lead Engineer, Embedded Software will drive the design and development effort of the current optical tracking system to the next generation. They will perform system analysis, identify improvements and root causes, debu ...

Lead Software Engineer (Toronto)

Lead Software Engineer (Toronto) Requisition ID: 50048 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: May 19, 2026 Fitch Group is currently seeking a Lead Software Engineer - Associate Director based out o ...

Software Engineer Technical Lead

Cosm Medical is a Toronto-based medical device company. Our goal is to transform the way pelvic floor disorders are treated thanks to 3D printing, AI and cloud software, and create Personalized Pelvic Health. Pelvic floor disorders, including pelvic organ prolapse, urinary and fecal incontinence, drastical ...

Lead Engineer Embedded Software

Job Description Summary In this role you'll be responsible for designing, developing and testing embedded software (firmware), platforms and systems that run on hardware devices tailored to specific product needs. As part of a multi-developer firmware team the major responsibilities will include a ...

Lead Software Engineer MLOps

Job Description About the role: The Enterprise Data & Analytics Enablement team is looking for a highly experienced, hands‑on Lead Software Engineer to lead our MLOps team within an Analytics Platform, emphasizing AWS cloud services and machine learning operations. The successful candidat ...

Lead Software Engineer Developer

We are currently requesting resumes for the following position : Lead Software Engineer Developer Resume Due Date : Tuesday May 20, 2025 Job ID:25-062 Number of Vacancies : 1 Level : MP5 Duration : 12 Months Hours:35 Hours per week Location: 889 Brock Road, Pickering Work Mode:Hybri ...

Senior/Lead Software Engineer

Company Description 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 computing, artificial intelligence, and software‑d ...

Lead Staff Software Engineer

Lead Software Engineer/ Hands-on – Founding Toronto TeamWe’re helping an AI-native SaaS startupbuild its Toronto engineering hub , starting with afounding technical leaderwho’s eager to scale both systems and teams. This is a rare opportunity for aStaff Engineer ...

Lead Software Engineer, AI

Lead Software Engineer, AI New Position: This position is open due to an existing vacancy to support our evolving business needs.Are you ready to shape the future of AI-driven content technology while leading cutting‑edge innovation in a mission‑critical role? Do you thrive in environments where your t ...

Lead Java Software Engineer

The RoleJoin the Citi Futures Technology team, a dynamic and fast-paced group at the heart of a growing global business. We are seeking a talented Senior Java Engineer to drive the architecture, design, and implementation of our Futures Data as a Service post-trade orders & executions application. ...

Lead Java Software Engineer

The RoleJoin the Citi Futures Technology team, a dynamic and fast‑paced group at the heart of a growing global business. We are seeking a talented Java Engineer to contribute to the architecture, design, and implementation of our Futures Data as a Service post‑trade orders & executions application. Thi ...

Lead Engineer (Software Engineering)

What You’ll Be DoingPartnering with Engineering and Product leads to design services that are robust, decoupled, and ready for change.Acting as a Technical Lead within the product team—guiding design discussions, reviewing code, and ensuring engineering best practices are upheld.Con ...

Lead Principal Software Engineer

Auxo is hiring aPrincipal Engineering Leadfor a company building a portfolio of SaaS products and platforms at scale. You’ll work closely with the Head of Product & Technology to shape technical direction across multiple teams. This is a high-impact IC role where you’ll influence architecture ...

Lead Software QA Engineer

Lead Software QA Engineer ResponsibilitiesLead the quality assurance process for both new feature delivery and ongoing maintenance of existing features.Develop comprehensive test plans and execute both automated and manual testing as the product continues to evolve.Define test scena ...

Lead CIAM Software Engineer

Step into the spotlight as a Lead CIAM Software Engineer, focusing on architecting advanced identity solutions. This engineering role prioritizes developing and maintaining customer authentication and account systems for diverse platforms.In this position, you will be hands-on in engineering CIAM capab ...

Lead Java Software Engineer

The Role Join the Citi Futures Technology team, a dynamic and fast-paced group at the heart of a growing global business. We are seeking a talented Senior Java Engineer to drive the architecture, design, and implementation of our Futures Data as a Service post-trade orders & executions appl ...

Senior/Lead Software Engineer

Company Description 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 computing, artificial intelligence ...

Lead Java Software Engineer

The Role Join the Citi Futures Technology team, a dynamic and fast‑paced group at the heart of a growing global business. We are seeking a talented Java Engineer to contribute to the architecture, design, and implementation of our Futures Data as a Service post‑trade orders & executions app ...

Software Engineer Technical Lead

Cosm Medical is a Toronto-based medical device company. Our goal is to transform the way pelvic floor disorders are treated thanks to 3D printing, AI and cloud software, and create Personalized Pelvic Health. Pelvic floor disorders, including pelvic organ prolapse, urinary and fecal incontinence, drastical ...

Lead Software Engineer, AI

Lead Software Engineer, AI New Position: This position is open due to an existing vacancy to support our evolving business needs. Are you ready to shape the future of AI-driven content technology while leading cutting‑edge innovation in a mission‑critical role? Do you thrive in environmen ...

Senior/Lead Software Engineer

Company Description 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 computing, artificial intelligence, ...

Lead Software Engineer Data

Egen is a fast-growing and entrepreneurial company with a data-first mindset. We bring together the best engineering talent working with the most advanced technology platforms, including Google Cloud and Salesforce, to help clients drive action and impact through data and insights. We are committed to bein ...

Lead Software Engineer Data

Egen is a fast-growing and entrepreneurial company with a data-first mindset. We bring together the best engineering talent working with the most advanced technology platforms, including Google Cloud and Salesforce, to help clients drive action and impact through data and insights. We are committed to being a pl ...

Lead Engineer, Embedded Software

The Lead Engineer, Embedded Software will drive the design and development effort of the current optical tracking system to the next generation. They will perform system analysis, identify improvements and root causes, debug and optimize algorithms, and design novel solutions as well as maintain the curren ...

Lead Engineer, Embedded Software

Salary Range: CA$140,000.00 To CA$165,000.00 Annually Job Summary The Lead Engineer, Embedded Software will drive the design and development effort of the current optical tracking system to the next generation. They will perform system analysis, identify improvements and root causes, debu ...

Lead Software Engineer (Toronto)

Lead Software Engineer (Toronto) Requisition ID: 50048 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: May 19, 2026 Fitch Group is currently seeking a Lead Software Engineer - Associate Director based out o ...

Lead Software Engineer (.Net)

Lead Software Engineer (.Net) About the RoleLead the engineering process to deliver new features and maintain the existing platform.Conduct research and technical validation of new infrastructure, services, and frameworks to support business and technical requirements.Leverage AI co ...

Lead Engineer (Software Engineering)

What You Bring to the TableYou’re opinionated abut flexible in your approach—context always trumps dogma.You have hands-on experience improving, crafting, articulating, and coding iterative improvements to existing systems.You work smart—leveraging the latest tools to their full pot ...

Lead Java Software Engineer

The RoleJoin the Citi Futures Technology team, a dynamic and fast-paced group at the heart of a growing global business. We are seeking a talented Senior Java Engineer to drive the architecture, design, and implementation of our Futures Data as a Service post-trade orders & executions application. This ...

lead software engineer (Toronto)

Overview The following describes the role and its requirements. Languages English Education Bachelor's degree Experience 5 years or more Work setting Consulting firm Information techno ...

Lead Software Engineer MLOps

Job Description About the role: The Enterprise Data & Analytics Enablement team is looking for a highly experienced, hands‑on Lead Software Engineer to lead our MLOps team within an Analytics Platform, emphasizing AWS cloud services and machine learning operations. The successful candidat ...

Lead Engineer Embedded Software

Job Description Summary In this role you'll be responsible for designing, developing and testing embedded software (firmware), platforms and systems that run on hardware devices tailored to specific product needs. As part of a multi-developer firmware team the major responsibilities will include a ...

lead software engineer (Toronto)

OverviewThe following describes the role and its requirements. LanguagesEnglish EducationBachelor's degree Experience5 years or more Work settingConsulting firm Information technology (IT) service provider ResponsibilitiesCoordinate the development, ins ...

Lead Engineer Embedded Software

Job Description Summary In this role you'll be responsible for designing, developing and testing embedded software (firmware), platforms and systems that run on hardware devices tailored to specific product needs.As part of a multi-developer firmware team the major responsibilities will include analysi ...

Senior/Lead Software Engineer

Company Description 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 computing, artificial intelligence, and software-de ...

Lead Engineer Embedded Software

Job Description SummaryIn this role you'll be responsible for designing, developing and testing embedded software (firmware), platforms and systems that run on hardware devices tailored to specific product needs. As part of a multi-developer firmware team the major responsibilities will include analysi ...

Lead Principal Software Engineer

Auxo is hiring a Principal Engineering Lead for a company building a portfolio of SaaS products and platforms at scale. You’ll work closely with the Head of Product & Technology to shape technical direction across multiple teams. This is a high-impact IC role where you’ll influence architect ...

Lead Software Engineer Developer

We are currently requesting resumes for the following position : Lead Software Engineer Developer Resume Due Date : Tuesday May 20, 2025 Job ID: 25-062 Number of Vacancies : 1 Level : MP5 Duration : 12 Months Hours: </b ...

Lead Software Engineer (.Net)

Lead Software Engineer (.Net) About the Role Lead the engineering process to deliver new features and maintain the existing platform. Conduct research and technical validation of new infrastructure, services, and frameworks to support business and technical requirements. ...

Software Engineer Technical Lead

Cosm Medical is a Toronto-based medical device company. Our goal is to transform the way pelvic floor disorders are treated thanks to 3D printing, AI and cloud software, and create Personalized Pelvic Health. Pelvic floor disorders, including pelvic organ prolapse, urinary and fecal incontinence, drastically dec ...

Lead Engineer (Software Engineering)

What You’ll Be Doing Partnering with Engineering and Product leads to design services that are robust, decoupled, and ready for change. Acting as a Technical Lead within the product team—guiding design discussions, reviewing code, and ensuring engineering best practices are upheld ...

Lead Software QA Engineer

Lead Software QA Engineer Responsibilities Lead the quality assurance process for both new feature delivery and ongoing maintenance of existing features. Develop comprehensive test plans and execute both automated and manual testing as the product continues to evolve. </ ...

Lead Engineer (Software Engineering)

What You Bring to the Table You’re opinionated abut flexible in your approach—context always trumps dogma. You have hands-on experience improving, crafting, articulating, and coding iterative improvements to existing systems. You work smart—leveraging the latest tools to ...

Lead CIAM Software Engineer

Step into the spotlight as a Lead CIAM Software Engineer, focusing on architecting advanced identity solutions. This engineering role prioritizes developing and maintaining customer authentication and account systems for diverse platforms.In this position, you will be hands-on in engineering CIAM capabilitie ...

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