685,619+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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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 ...

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 ...

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 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 (Full Stack + Data)

Senior Software Engineer (Full Stack + Data) Department: Tech Employment Type: Permanent - Full Time Location: Vancouver Compensation: $155,000 - $172,000 / year Description Hi there, we’re Article. Since 2013, we have be ...

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 Software Engineer — Tech Leader & Impact

A dynamic fintech company based in Canada seeks a Lead Software Engineer to drive technical excellence in their platform. This role emphasizes designing scalable microservices and leading cross-functional initiatives. Candidates should have over 8 years of experience in software engineering, proficiency in Golan ...

Software Development Engineer in Test – Desktop

Job Title: Software Development Engineer in Test – Desktop Job Location: Hybrid - Vancouver, CanadaExperience: 1 to 3 YearsRete 40 to 45 CAD PHRole Summary: NearSource is looking for a Software Development Engineer in Test (SDET) to ensure the quality and reliability of desktop inst ...

Senior Software Engineer, Tenant Protection (Auth0)

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real‑world stakes. We are ...

Software Development Engineer in Test Montreal

Excel as a Software Development Engineer in Test in Montreal, focusing on innovative automated testing solutions and Agile collaboration. Experience cutting-edge software development practices.The role requires a background of 6 to 9 years in QA development engineering. You will be involved in automate ...

AI Enabled Software Test Engineer II

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 for Financial Automation

Join Voleon as a Senior Software Engineer specializing in financial automation. Lead innovative projects that enhance the efficiency of vital operations like trade accounting and cash management.On the FinOps Automation Engineering team, you will be instrumental in reshaping Voleon's systems through ef ...

Python Software Engineer AI Core Team

Elevate your software engineering career at Workday as a Senior Software Development Engineer focusing on AI solutions. Use your deep Python skills in a flexible work environment to build impactful systems.As part of the AI Core team at Workday, you will engage deeply with both structured and unstructu ...

Senior Software Engineer Embodied Intelligence Platform

Sanctuary AI, a world leader in building dexterity‑driven Physical AI for general purpose robots, is looking to hire a skilled and motivated Senior Software Engineer to join our Embodied Intelligence Platform team. Reporting to the team lead, you'll gain a comprehensive understanding of the design, architecture, ...

Senior Software Engineer Web API Platform

Scribd, Inc. is on a mission to advance human understanding. Our four products — Scribd®, Slideshare®, Everand™, and Fable — help billions of people across the globe move beyond access and into insight, application, and expertise.Culture at Scribd, Inc. We support a culture where our employees can be r ...

Software Engineer (Backend, Python) Content Understanding

About the TeamThe ML Content Understanding team powers metadata extraction, enrichment, and content understanding across all Scribd brands. We process hundreds of millions of documents, billions of images, and deliver high-quality metadata to enable content discovery and trust for millions of users wor ...

Software Dev Engineer II, Quick Commerce

Are you interested in helping Amazon make history and redefine the meaning of ’fast’ in eCommerce? We are the Amazon Now team and are in the early innings of an exciting new initiative – deliveries in under 30 minutes. We are looking for a Software Engineer for the Amazon Now team to help ensure we have a compel ...

Software Development Engineer, AWS Connect Markov

Overview As part of the AWS Applied AI Solutions organization, we have a vision to provide business applications, leveraging Amazon’s unique experience and expertise, that are used by millions of companies worldwide to manage day‑to‑day operations. We will accomplish this by accelerating our customers’ businesse ...

Software Engineer for ML at Affirm

Be a key player at Affirm as a Software Engineer focusing on Machine Learning. Collaborate to build robust platforms that enhance user experience and data availability remotely.Affirm is on the lookout for a Software Engineer with 1.5+ years in backend system development, specifically in Python or Kotl ...

Senior Software Systems Engineer Toronto (010167)

Over 50,000 customers globally trust our end‑to‑end, cloud‑driven networking solutions. They rely on our top‑rated services and support to accelerate their digital transformation efforts and deliver unprecedented progress.Become part of something big with Extreme! As a global networking leader, learn w ...

Lighthouse AI Native Software Engineer Role

Become an AI-Native Software Engineer at Lighthouse Software Group, where you'll develop and expand essential software products. This role empowers you to innovate and integrate AI solutions.Lighthouse, part of Valsoft Corporation, is looking for early-career engineers with a strong foundation in full ...

Senior Software Engineer II, Kora Compute

We’re not just building better tech. We’re rewriting how data moves and what the world can do with it. With Confluent, data doesn’t sit still. Our platform puts information in motion, streaming in near real‑time so companies can react faster, build smarter, and deliver experiences as dynamic as the world around ...

Senior Quality Engineer Software at Scribd

Shape the future of quality engineering at Scribd, Inc. as a Senior Quality Engineer, focusing on testing strategies and AI integration for enhanced software delivery. Your expertise will be transformative.As a key member of our Quality Engineering team, you'll manage the quality infrastructure that pr ...

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 i ...

Software Engineer (Maternity Replacement 14 months)

Position Description Reporting to the Software Team Leader, the Software Engineer is responsible for software application implementation and support. Duties include, but are not limited to, creating technical specifications, estimating development tasks, writing clean and scalable code to create software applica ...

Senior Software Engineer in Performance Engineering

Drive innovation in software performance at Sentry as a Senior Software Engineer. Tackle complex issues in a hybrid work environment designed for collaboration.Join Sentry’s Issue Workflow team, where you will primarily focus on high-scale distributed systems. Your leadership in technical strategies wi ...

Full Cycle Software Engineer at ExaCare

ExaCare AI is looking for a Full Cycle Software Engineer to transform admissions processes through innovative software development. Join our team to create impactful solutions using TypeScript and React.This role requires a high level of ownership as you will handle the complete software development pr ...

Intermediate Software Engineer Java (Project Management)

Computer Methods International Corp. (CMiC) is a Software Development firm specializing in enterprise financial and cost management systems designed for the Construction and Engineering industries.About CMiC CMiCis the leading provider of complete, integrated and advanced enterprise level sof ...

Senior Software Engineer (Python + Distributed systems)

Scribd, Inc. is on a mission to advance human understanding. Our four products — Scribd®, Slideshare®, Everand™, and Fable — help billions of people across the globe move beyond access and into insight, application, and expertise.Culture at Scribd, Inc. We support a culture where our employees can be r ...

AI Enabled Software Test Engineer II

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business pr ...

Staff Software Engineer Agentic AI Systems

Job Title Staff Software Engineer - Agentic AI SystemsAbout the RoleWe are seeking a Staff Agentic AI Engineer to lead the architecture, implementation, and production deployment of advanced agentic AI systems.In this role, you will serve as a technical authority for multi‑agent sys ...

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 ...

Quantitative Equity Technology, Infrastructure Software Engineer

Quantitative Equity Technology, Infrastructure Software Engineer We deliver foundational systems that shape the future of how technology is used in a top performing quantitative equity fund that manages over $75 billion in financial assets. This is a fantastic opportunity in the exciting intersection of finance ...

Senior Software Engineer for iOS SDK

Become a Senior Software Engineer specializing in iOS SDK development. Drive mobile app monitoring solutions and innovate using the latest Apple technologies in a hybrid work culture.This role is vital as you will develop the iOS SDK from core architecture through to delivery. You'll spearhead the intr ...

Software Engineer L3 for Cloud Solutions

Transform internal developer experiences as a Software Engineer L3. Focus on application development and cloud solutions while collaborating in a remote setting.This remote opportunity requires you to enhance existing software platforms and ensure efficiency through innovative tools and practices. In a ...

Backend Software Engineer High Volume Systems

Play a pivotal role as a Backend Software Engineer enhancing high-volume systems. Focus on backend services and complex queries in a hybrid work environment to transform user experiences for travel advisors.This Senior Developer role emphasizes backend work in a fast-paced, varied setting. From optimiz ...

Advanced Software Engineer for Distributed Systems

Explore an opportunity as an Advanced Software Engineer focusing on distributed systems architecture. Create scalable APIs and backend services that empower data-driven decision-making.In this role, you will design and implement robust systems capable of processing large volumes of data, utilizing tech ...

Experienced Software Engineer in Gaming Technology

Join our mission to enhance gaming as an Experienced Software Engineer. Collaborate in a hybrid setting to integrate AI solutions that improve player engagement and tool use.As part of the Infrastructure and Platform Services team, you will report directly to the Senior Director of Engineering. Your fo ...

Staff Software Engineer for AI Libraries

Elevate high-performance computing as a Senior Staff Software Development Engineer specializing in GPU libraries. Engage in collaborative efforts to optimize AI and machine learning resources at Exascale.This role focuses on improving math and communication libraries as part of the AMD ROCm platform. Y ...

A.I. Development and Agile Software Engineer

Become an Intermediate Software Developer, focusing on A.I. projects and web application design. Utilize your expertise in Ruby on Rails and familiarity with Python to tackle exciting challenges.This position allows you to join a collaborative team committed to continuous learning and professional grow ...

Senior Software Engineer in Payment Innovation

Shape the future of payment processing as a Senior Software Engineer. Drive high-impact projects focusing on scalability and performance of card issuing platforms, working remotely from Canada.This role centers on both technical ownership and hands-on coding, allowing you to influence the development o ...

Senior Software Engineer with AI Expertise

Become a Principal Software Engineer and transform insurance through AI. Manage core platform architecture and lead innovative engineering initiatives onsite with our expert team.This role emphasizes your ability to solve complex challenges while defining technical strategies that align with business g ...

C/C++ Software Engineer in Cybersecurity

Embark on a rewarding journey as a Software Engineer specializing in C/C++. Contribute to cutting-edge cybersecurity projects that protect users and data on a global scale.In this role, you'll be engaged in the complete software development lifecycle with a focus on C/C++ programming. A minimum of 2 ye ...

AI First Principal Software Engineer Role

Shape the future of software engineering as a Principal Engineer focused on AI-first development. This remote role empowers you to lead significant projects while fostering innovation across the organization.As a Principal Engineer, you will embed with product teams to drive technical initiatives in AI ...

Software QA Automation Engineer 3D/CAD

Advance your QA career as a Software QA Engineer focused on automation for 3D and CAD platforms in a remote role. Drive quality engineering initiatives and optimize test strategies.This position requires 3-5 years of experience testing complex interactive applications across multiple platforms. You wil ...

Staff Software Engineer I Stream Governance

Staff Software Engineer I - Stream Governance As a Staff Software Engineer for Stream Governance, you will be the technical lead for initiatives like Stream Catalog, Lineage, and Data Portal. You will architect complex, multi-tenant engineering systems from end-to-end and provide technical leadership for mission ...

Java Software Engineer with Agile Skills

Drive innovation as a Java Software Engineer with robust Agile skills. Work closely with product owners and development teams to implement high-performance features that meet business needs.You will play a critical role in gathering requirements and leading backlog coordination for feature development. ...

AI Driven Software Engineer for Integrations

Become an AI-Driven Software Engineer focusing on integrating innovative services for travelers. Utilize advanced AI tools to enhance integration workflows across multiple platforms.This high-ownership role on our Ancillaries squad demands expertise in facilitating connections with external partners. B ...

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