598,964+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Senior Software & Configuration Engineer, Military Vehicles

A prominent defense contractor in Ottawa is seeking a Software Management Engineer to participate in software management for Wheeled Light Armoured Vehicles. Key responsibilities include managing configurations, coordinating software distribution, and liaising with government agencies. Ideal candidates will poss ...

Senior Software Engineer, Backend (Continuous Delivery)

Overview Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Continuous Delivery team works within Developer Productivity to build and improve platforms, workflows, and gua ...

AI Software Development Engineer at Qualcomm

Step into the forefront of AI innovation as a Senior Engineer at Qualcomm, specializing in C++17 software for embedded systems. Enhance the capability of AI for diverse applications.Join Qualcomm Canada ULC where the AI Software team is instrumental in pushing technological boundaries. This role requires dev ...

Senior Software Engineer – Concurrency & UI (TypeScript)

A leading software company in Ontario seeks a Software Developer to join their Agile team working on the Concurrency project within Fusion. The role involves implementing features, maintaining code, and collaborating with remote teams. Ideal candidates should have over 5 years of experience in software developme ...

Compiler Development Engineer for Quantum Software

Advance your career as a Compiler Development Engineer, addressing software challenges in quantum computing applications. Collaborate with a scientific team to enhance our unique compiler pipeline and features.Candidates should possess a Ph.D. in Computer Science or Physics, focusing on quantum computation o ...

PON Software Engineer Role Ciena Ottawa

Join Ciena in Ottawa as a PON Software Engineer, emphasizing innovation in hybrid environments. This role focuses on next-gen software solutions for Passive Optical Networking products.You will contribute to developing industry-leading management software for PON technologies at Ciena. With expertise in C, P ...

Compiler Development Engineer for Quantum Software

Advance your career as a Compiler Development Engineer, addressing software challenges in quantum computing applications. Collaborate with a scientific team to enhance our unique compiler pipeline and features.Candidates should possess a Ph.D. in Computer Science or Physics, focusing on quantum computation o ...

Senior Software Engineer, Backend (Blockchain Platform)

Senior Software Engineer, Backend (Blockchain Platform) Coinbase 21 July 2025 Remote Remote - Canada Ready to be pushed beyond what you think you’re capable of?At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands t ...

Senior Back End Software Engineer (Canada)

About The Role We are looking for an experienced back end software engineer to join our team. As an experienced team member, you will have a broad ownership and impact on the technology, product, and our culture. You will work alongside a first-rate engineering team to implement exciting new feat ...

Senior Software Engineer, Backend (Continuous Delivery)

Overview Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Continuous Delivery team works within Developer Productivity to build and improve platforms, workflows, and gua ...

Senior Software Engineer (Full Stack, Product)

Trajekt Sports is building the next generation of baseball training technology through a combination of software engineering, robotics, and data science. Our flagship product, the Trajekt Arc , allows hitters to train against highly accurate recreations of real pitchers. By combining high-fi ...

Software Engineer Python Cloud graduate level

Canonical Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our custome ...

Senior Software Engineer, Backend (Continuous Delivery)

Overview Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Continuous Delivery team works within Developer Productivity to build and improve platforms, workflows, and gua ...

Senior Embedded Software Engineer, BMS Drivers

Role Summary In this role, you will be a member of the Platform Software team, responsible for architecting, implementing, and integrating battery management platform software across Rivian’s control boards. The platform includes drivers, operating systems, middleware, and application frameworks ...

Capital Markets Software Engineer — Growth & Impact

A leading banking institution in Toronto seeks an Associate Software Engineer to develop and implement market-leading solutions in capital markets. The role involves close collaboration with business teams, coding, and enhancing applications. The ideal candidate has a degree in computer science or engineering an ...

Junior Embedded Software Engineer at Qualcomm

Step into embedded software innovation with Qualcomm Canada as a Junior Embedded Software Engineer. Bring your C/C++ skills to life while developing real-time video applications on Snapdragon chipsets.In this full-time position within Qualcomm's Cellular Technologies AI Proc Solutions team, you become an int ...

Senior Software Engineer, Backend (Continuous Delivery)

Senior Software Engineer, Backend (Continuous Delivery) Remote Canada Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Our team sits within Developer Product ...

Distributed Systems Software Engineer, Python / Go

Distributed Systems Software Engineer, Python / Go Join to apply for the Distributed Systems Software Engineer, Python / Go role at Canonical Distributed Systems Software Engineer, Python / Go 3 months ago Be among the first 25 applicants Joi ...

Distributed Systems Software Engineer, Python / Go

Distributed Systems Software Engineer, Python / Go Join to apply for the Distributed Systems Software Engineer, Python / Go role at Canonical Distributed Systems Software Engineer, Python / Go 3 months ago Be among the first 25 applicants Joi ...

Senior Software Engineer – Concurrency & UI (TypeScript)

A leading software company in Ontario seeks a Software Developer to join their Agile team working on the Concurrency project within Fusion. The role involves implementing features, maintaining code, and collaborating with remote teams. Ideal candidates should have over 5 years of experience in software developme ...

Senior Backend Software Engineer (.NET + SQL)

**Company Description**Press Ganey is the leading experience measurement, data analytics, and insights provider for complex industries—a status we earned over decades of deep partnership with clients to help them understand and meet the needs of their key stakeholders. Our earliest roots are in U.S. healthcare – ...

Virtualization Software Engineer at Wind River

Join Wind River as a Software Engineer specializing in operating systems virtualization. Enhance Linux and RTOS guest environments through innovation and collaboration.In this pivotal role with the Guest Operating Systems team, you'll work on developing robust virtualization features while cooperating with c ...

Senior Software Engineer, Cloud IaC & Automation

A leading fintech company is seeking a Senior Software Engineer on the Infrastructure Engineering team to innovate and enhance cloud-based solutions. You will design and optimize infrastructure tooling on AWS, focusing on safety and compliance. The ideal candidate has a Bachelor's degree in Computer Science and ...

Software Engineer Python Cloud graduate level

Canonical Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our custome ...

Senior Back End Software Engineer (Canada)

About The Role We are looking for an experienced back end software engineer to join our team. As an experienced team member, you will have a broad ownership and impact on the technology, product, and our culture. You will work alongside a first-rate engineering team to implement exciting new feat ...

Senior Software Engineer, Backend (Growth Platform)

Senior Software Engineer, Backend (Growth Platform) Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. About The Team The Growth Platform Engineering team build ...

Senior Software Engineer, Backend (Growth Platform)

Senior Software Engineer, Backend (Growth Platform) Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. About The Team The Growth Platform Engineering team build ...

Embedded Software Verification Engineer — Automation & HIL

A technology company in Toronto seeks a Product & Software Verification Engineer to ensure the quality and performance of embedded products. Responsibilities include developing verification plans, conducting tests, and collaborating with engineering teams. Ideal candidates should have a degree in engineering or ...

Senior Back End Software Engineer (Canada)

About The Role We are looking for an experienced back end software engineer to join our team. As an experienced team member, you will have a broad ownership and impact on the technology, product, and our culture. You will work alongside a first-rate engineering team to implement exciting new feat ...

CRM Software Engineer — Siebel & AEM Integration

A technology solutions firm located in Toronto is seeking an Intermediate Software Developer specializing in CRM applications. The ideal candidate will have over 5 years of experience with Siebel technical configuration and possess strong analytical and problem-solving skills. Responsibilities include translatin ...

Senior Software Engineer – Concurrency & UI (TypeScript)

A leading software company in Ontario seeks a Software Developer to join their Agile team working on the Concurrency project within Fusion. The role involves implementing features, maintaining code, and collaborating with remote teams. Ideal candidates should have over 5 years of experience in software developme ...

Flight Software Engineer for Satellite Projects

Drive revolutionary satellite technology as a Flight Software Engineer. Create and maintain flight software solutions while ensuring project excellence and compliance.In this role, you will collaborate with leading clients and industry experts to define and develop embedded software for satellite systems. Yo ...

Compiler Development Engineer for Quantum Software

Advance your career as a Compiler Development Engineer, addressing software challenges in quantum computing applications. Collaborate with a scientific team to enhance our unique compiler pipeline and features.Candidates should possess a Ph.D. in Computer Science or Physics, focusing on quantum computation o ...

Compiler Development Engineer for Quantum Software

Advance your career as a Compiler Development Engineer, addressing software challenges in quantum computing applications. Collaborate with a scientific team to enhance our unique compiler pipeline and features.Candidates should possess a Ph.D. in Computer Science or Physics, focusing on quantum computation o ...

Senior Software Engineer, Cloud IaC & Automation

A leading fintech company is seeking a Senior Software Engineer on the Infrastructure Engineering team to innovate and enhance cloud-based solutions. You will design and optimize infrastructure tooling on AWS, focusing on safety and compliance. The ideal candidate has a Bachelor's degree in Computer Science and ...

Senior Software Engineer, Enterprise Automation (Onsite)

An innovative performance apparel company in Vancouver is seeking a Senior Software Engineer to lead the design and implementation of complex systems. You will mentor engineers, enforce coding standards, and ensure scalable, reliable solutions. The role requires 6-10 years of experience in software development a ...

Senior Software Engineer SaaS Product Architect

A leading national accounting firm in Calgary is seeking a Senior Engineer to join their innovative team. The successful candidate will lead technical discussions, establish engineering patterns, and mentor colleagues. With a background in software engineering and SaaS environments, you will drive quality soluti ...

Senior Software Engineer — Build Scalable Systems

A public sector service provider is seeking a Senior Software Developer to focus on Java-based web application development, RESTful APIs, and microservices. This role, performing both design and implementation tasks, requires a strong background in large-scale, multi-client applications within an agile environme ...

Senior Software Engineer – Features (Remote/Hybrid)

A leading travel technology company is looking for a Senior Developer to enhance their ADX platform, focused on backend and frontend development, including work with C#, SQL Server, and Angular. This role offers a hybrid work model and requires strong experience in designing and optimizing services to support a ...

GenAI Software Engineer, Sponsored Ads & Brands

A leading technology company in Toronto is seeking an experienced Software Development Engineer to design and develop scalable software systems that enhance product experiences. You'll work closely with cross-functional teams, own the complete software lifecycle, and contribute to critical system components. Thi ...

Principal AI Software Engineer Hybrid SaaS

A leading technology firm in Fredericton seeks a Principal Software Engineer to drive AI innovations in their Hospitality Cloud product. This pivotal role requires extensive experience in Java and .NET/C#, with a focus on delivering impactful AI solutions. You will work on modernizing legacy services and enhanci ...

Principal Engineer, Software Supply Chain Security

GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co‑create the software that powers our world. When everyone can contribute, consumers become contributors, si ...

Software Engineer Packet Platform New Grad

They gather information about your interactions on the site, such as which pages you visit frequently, how long you stay, and the links or buttons you click. They help us record any difficulties you have with the website and help us to evaluate the effectiveness of our advertising.By analyzing this dat ...

Senior Software Engineer, Backend (Growth Platform)

Senior Software Engineer, Backend (Growth Platform) Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.The Engineering team that builds systems powering affirm’s mission. We pride ou ...

Senior Software Engineer, Backend (Blockchain Platform)

Senior Software Engineer, Backend (Blockchain Platform)Coinbase 21 July 2025 Remote Remote - Canada Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every ...

Senior Software Engineer Backend, Frontend & Cloud

A leading financial services company in Toronto is looking for a Principal Associate, Software Engineer. In this role, you will be responsible for backend and frontend development, utilizing programming languages like Java and Python. We offer a hybrid work environment and comprehensive benefits including mental ...

Senior NPD Embedded Firmware & Software Engineer

A leading electrical solutions provider in Brampton is seeking an NPD Firmware/Software Developer to design and develop embedded firmware for protection systems. The position requires expertise in C/C++, real-time embedded systems, and experience with communication protocols. The role offers a competitive salary ...

Distributed Systems Software Engineer, Python / Go

Distributed Systems Software Engineer, Python / GoJoin to apply for theDistributed Systems Software Engineer, Python / Gorole atCanonical Continue with Google Continue with Google Distributed Systems Software Engineer, Python / Go3 months ago Be among the first 2 ...

Senior Software Architect Engineer (Aerospace / eVTOL)

Senior Software Architect Engineer (Aerospace / eVTOL) Location:Lindsay, Ontario, Canada Employment Type:Full-time Salary Range:CAD 120,000 – 165,000 (annual) Work Model:HybridAbout the Job A senior-level Software Architect & Engineer is sought to lead mission-cr ...

Cryptography & Key Management Software Engineer II

Un établissement financier de premier plan basé à Toronto recherche un ingénieur logiciel talentueux, spécialisé en cryptographie et sécurité de l'information. Le candidat idéal aura une solide expérience en développement d'API utilisant Java et Python, ainsi qu'une connaissance des concepts de cryptographie. Vo ...

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