685,636+ 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 ...

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 ...

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 data, we ca ...

Software Engineer Python Cloud graduate level

Job Overview Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. We are hiring a Software Engineer to develop, test and release improvements to Ubuntu on public clouds. Responsibilities The role entails: ...

Senior Embedded Software Engineer Medical Devices

Senior Embedded Software Engineer - Medical Devices Qidni Labs Inc. is a clinical-stage medical device company focused on revolutionizing dialysis technology for patients with kidney failure. Overview This is a full-time, on-site role located in Kitchener, ON. The Senior Embedded S ...

Hybrid GIS Software Engineer ArcGIS Specialist

A leading technology firm in Toronto is seeking a Senior Software Developer with extensive GIS development experience. The role requires proficiency in ESRI technologies and strong analytical skills. This hybrid position involves maintaining production systems and collaborating with cross-functional teams. Ideal ...

Senior Software Engineer (SMTS), Full Stack

Senior Software Engineer, Full Stack - Product Join Qualified to apply for the Senior Software Engineer, Full Stack - Product role. Qualified is the Agentic Marketing Platform for B2B companies. With Piper the AI SDR Agent, Qualified offers a whole new way to grow inbound pipeline. ...

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 ...

Engineer for Clinical Decision Support Software

Beacon seeks an experienced Engineer to develop its Clinical Decision Support software. This role directly impacts how patients' end-of-life values are captured and supported.As the first engineering hire, you'll oversee the full stack architecture of the platform, working closely with LLM technologies and p ...

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 ...

Senior Java Software Engineer Banking Experience

Job Location Downtown Toronto (3 days work from office) Job Description As a Senior Java Software Engineer, you will be responsible for designing, developing, and maintaining high-performance applications using Java and the Spring Boot framework. You will work closely with cross-fu ...

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 ...

Global Technology Software Engineer at Citi

Become a Software Engineer and Assistant Vice President at Citi, where you will tackle complex challenges in Markets Technology. Help innovate solutions in margin and collateral domains while collaborating with a passionate engineering team.In this strategic role, you will be integral to developing high-qual ...

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 – ...

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 ...

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 (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 II (BFUTR Future Opportunity)

Nous utilisons des témoins pour fournir et améliorer nos services de sorte à vous offrir une expérience plus personnalisée, et les services de suivi sont désactivés. Pour en savoir plus sur les témoins utilisés et pour consulter vos préférences, veuillez vérifier les paramètres de votre navigateur ou sélectionne ...

Senior Software Engineer AI at Klue

Explore a Senior Software Engineer role focused on AI with Klue in Toronto. Your work will prioritize advanced LLM integration for seamless information retrieval and user-centric workflows.In this position, you will lead the development of retrieval-augmented generation systems, utilizing your extensive know ...

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 builds systems that power our mission. We b ...

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 missi ...

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, 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 ...

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 (Merchant Advocacy)

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 Merchant & Partner Lifecycle (M&PL) team is at the forefront of Affirm’s architectural transformation. We are addressing cr ...

Senior Dynamics 365 Software Engineer Hybrid

A leading tech services firm in Toronto is looking for a Senior Software Developer to design and implement solutions using Microsoft Dynamics 365. The ideal candidate has extensive experience in C# and ASP.NET, working with enterprise applications in a hybrid model. Responsibilities include developing customized ...

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 ...

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, Backend (Merchant Advocacy)

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 Merchant & Partner Lifecycle (M&PL) team is at the forefront of Affirm’s architectural transformation. We are addressing cr ...

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 ...

Senior Software Engineer, Backend (Merchant Advocacy)

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 Merchant & Partner Lifecycle (M&PL) team is at the forefront of Affirm’s architectural transformation. We are addressing cr ...

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 ...

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 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 Manufacturing Test Software Engineer — Hybrid

A leading medical technology company in Ontario is seeking a Senior Manufacturing Engineering Test SW Developer to enhance production efficiency through robust software solutions. The role emphasizes cross-functional collaboration, automation, and high-quality production standards. Ideal candidates will have ove ...

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 ...

Software Engineer (Rust + Python) Surrey, BC

Whistler Alpha Research is a research arm of Whistler Trading, a systematic proprietary trading firm founded by industry leaders who previously built some of the most successful businesses in quantitative finance and high-frequency trading. We’re on a mission to build elite trading systems and infrastructu ...

Full Stack Software Engineer Vice President

The Software Engineer Vice President is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. </p ...

Hybrid Senior Software Engineer at Wizards

Transform the digital gaming landscape as a Senior Software Engineer with Wizards of the Coast, operating in a flexible hybrid work model from our Montreal office. Champion high-quality service delivery that enhances our gaming ecosystem.In this role, you will leverage your 3+ years of software development e ...

Backend Software Engineer at Electronic Arts

Elevate your technical expertise as a Backend Software Engineer with Electronic Arts, focusing on gameplay services in a hybrid environment. Develop scalable server-side systems while collaborating with diverse game teams.The Gameplay Services Team seeks a skilled Engineer with over three years of expe ...

Qualcomm AI Software Machine Learning Engineer

Become an AI Software Machine Learning Engineer at Qualcomm, specializing in crafting high-performance C++17 solutions for AI engines. This role focuses on enhancing industry-leading applications for embedded systems.You will be responsible for developing software that extends Qualcomm AI technologies ...

Software Development Engineer , Amazon Customer Service

Software Development Engineer, Amazon Customer Service As a Software Engineer on the Data Intelligence team which is part of Amazon Customer Service team, you will design and build robust, secure data infrastructure systems. You'll architect for real-time data processing needs, implement secure storage solutions ...

Software Engineer II, Backend Remote Role

Join Affirm as a Software Engineer II, a remote position at the forefront of innovating credit solutions. Your expertise in backend systems will be pivotal in enhancing merchant lifecycle orchestration.This role targets individuals with over 3 years of backend engineering experience, ready to tackle ar ...

Senior Software Engineer with Architecture Skills

Join a talented team as a Senior Software Engineer, leveraging your architecture skills to influence technical direction and deliver complex projects. Make a significant product impact globally while working in a dynamic environment.We are seeking multiple Senior Software Engineers, focusing on back-en ...

Senior Software Engineer Scheduling at Toast

Take a leading role at Toast as a Senior Software Engineer focusing on Scheduling in our Team Management Suite. Shape innovative backend solutions that improve restaurant operations and guest satisfaction.Toast is spearheading the evolution of restaurant management through advanced technology and dedic ...

Senior Software Architect Engineer (Aerospace / eVTOL)

Senior Software Architect Engineer (Aerospace / eVTOL) Location: Lindsay, Ontario, CanadaEmployment Type: Full-timeSalary Range: CAD 120,000 – 165,000 (annual)Work Model: Hybrid About the Job A senior-level Software ...

Senior Software Architect Engineer (Aerospace / eVTOL)

Senior Software Architect Engineer (Aerospace / eVTOL) Location: Lindsay, Ontario, CanadaEmployment Type: Full-timeSalary Range: CAD 120,000 – 165,000 (annual)Work Model: Hybrid About the Job A senior-level Software ...

Staff Software Engineer I Stream Governance

Staff Software Engineer I - Stream Governance Join to apply for the Staff Software Engineer I – Stream Governance role at Confluent. We’re not just building better tech. With Confluent, data moves in real‑time so companies can react faster, build smarter, and deliver dynamic experiences. ...

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