163,077+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Full Stack Payments Engineer — Build & Scale APIs

A technology company in Toronto is seeking a Software Engineer II to enhance its payment platform. You will work with a high-trust engineering team to build core user experiences using Next.js, TypeScript, and Node.js while integrating payment APIs. Ideal candidates have over 3 years in full-stack development an ...

Full Stack Engineer — AI Powered SaaS Platform

A venture intelligence company is seeking a Full-Stack Software Engineer to build and scale the SaaS platform behind DiligenceGPT™. The role focuses on developing the product, platform, and infrastructure layer supporting AI-driven workflows. Candidates should have hands-on experience with the MERN stack, strong ...

Toronto Senior Network Security Engineer

Join a large public sector organization as a Toronto-based Senior Network Security Engineer. Play a key role in optimizing cybersecurity initiatives and enterprise infrastructure.In this hybrid role, you will be at the forefront of addressing complex networking and security challenges. Collaborating wi ...

WSP Senior Systems Engineer – Rail Integration

Drive the next generation of urban rail at WSP as a Senior Systems Integration Engineer. Lead the integration strategy for complex transit projects.At WSP, you will take on a senior technical role, ensuring successful execution of systems integration in rail and transit environments. Your leadership wi ...

Senior Principal Engineer: Driving Excellence in Building Design

Lead groundbreaking projects in building engineering as a Senior Principal Engineer. Focus on delivering superior design solutions and fostering a culture of innovation across engineering teams.This high-impact position requires a minimum of 20 years experience, specifically in building engineering. Yo ...

TCS Wireless Networking Engineer Role

Join Tata Consultancy Services (TCS) as a Wireless Networking Engineer, leading the deployment of Cisco and Aruba technologies. Manage and optimize Wi-Fi networks across corporate environments.As a Wireless Networking Engineer, you will bring your strong Cisco and Meraki knowledge to TCS. Your role wil ...

Data Engineer for Advanced Analytics

Elevate your career as a Data Engineer in EY Canada’s AI & Data practice, focusing on event stream analytics and scalable data platforms. Enhance data collection across various devices and brands.This role seeks an experienced Data Engineer to lead data analytics initiatives critical for regulatory complianc ...

Mechanical Commissioning Engineer CAI

Elevate your career with CAI as a Mechanical Commissioning Engineer focusing on Data Center projects. Lead mechanical commissioning efforts while ensuring safety and compliance throughout the testing process.CAI is seeking an experienced Mechanical Commissioning Engineer with a solid background in Data ...

Mechanical Engineering Lead in Circular Economy

Cyclic Materials is looking for a Mechanical Engineering Lead based in Toronto with expertise in capital projects and sustainable design. Ensure mechanical designs meet rigorous standards while promoting a circular supply chain for rare earth elements.As the Lead Engineer, you will play a pivotal role ...

Senior Systems Requirements Engineer At Wsp Toronto

Drive precision in urban rail systems as a Senior Systems Requirements Engineer with WSP in the Greater Toronto Area. Lead requirements management for a pivotal rail extension project involving complex integrations. WSP is seeking a Senior Systems Requirements Engineer to enhance rail systems engineering e ...

Mechanical Engineering Lead in Circular Economy

Cyclic Materials is looking for a Mechanical Engineering Lead based in Toronto with expertise in capital projects and sustainable design. Ensure mechanical designs meet rigorous standards while promoting a circular supply chain for rare earth elements.As the Lead Engineer, you will play a pivotal role in man ...

Engineering Manager

Job OverviewWe’re building an AI‑driven, omnichannel platform that lets Canadians buy insurance and wealth solutions online or virtually. The Engineering Manager leads a squad, delivering features at startup velocity while ensuring excellent code quality and a healthy, engaged team. What You’ll Do ...

Lead, Engineering Search Query Platform & Availability

MongoDB Search and Vector Search allows users to execute complex search queries and build RAG applications using the MongoDB Query Language. Our users are free to focus on relevance and data retrieval instead of the machinery needed to search data at scale.We are seeking a Lead Engineer to lead the Mon ...

Electrical Engineer PLC Programmer

Job Description Electrical Engineer - PLC Programmer We’re a naan traditional company… Summary As an Electrical Engineer you will work within our Engineering team on projects related to existing food manufacturing equipm ...

DevOps Developer

OverviewDayforce is a global human capital management (HCM) company headquartered in Toronto, Ontario, and Minneapolis, Minnesota, with operations across North America, Europe, Middle East, Africa (EMEA), and the Asia Pacific Japan (APJ) region. Our award-winning Cloud HCM platform offers a unified sol ...

Senior Associate – Cyber Security Forward Deployed Engineer

Job SummarySenior Associate – Cyber Security Forward Deployed Engineer – is a multi‑faceted technologist with strong AI, cloud, and application security focus. The role combines hands‑on engineering with leadership of cross‑functional pods, translating client ambiguity into production‑ready solutions a ...

MAAS Systems Engineer Python (Toronto area)

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

Senior Product Engineer (Salesforce)

Job Details Position Title: Senior Product Engineer, Salesforce Status: Full-Time Support Hours: 40 hours per week Faculty/Department: Information Technology Services Campus/Location: North Campus – must be comfortable working hybrid, a minimum of four (4) days on- ...

Senior Product Engineer (Salesforce)

Job Details Position Title: Senior Product Engineer, Salesforce Status: Full-Time Support Hours: 40 hours per week Faculty/Department: Information Technology Services Campus/Location: North Campus – must be comfortable working hybrid, a minimum of four (4) days on- ...

Senior Product Engineer (Salesforce)

Job Details Position Title: Senior Product Engineer, Salesforce Status: Full-Time Support Hours: 40 hours per week Faculty/Department: Information Technology Services Campus/Location: North Campus – must be comfortable working hybrid, a minimum of four (4) days on- ...

Senior SW Engineer AI Products

Senior Software Engineer, AI Products Remote - Canada $150,000 - $200,000 CAD + equity Your opportunity Our client is one of the fastest-growing software companies in Canada. They are a startup studio that builds and operates multiple agent-powered SaaS companies that au ...

Quality Assurance Automation Engineer

Quality Assurance Automation Engineer Askuity is a Toronto‑based retail analytics software company operating as a division within The Home Depot (THD). Through our supplier analytics program, Askuity’s mission is to enable suppliers and merchants at The Home Depot to make profitable, data‑driven ...

Quality Assurance Automation Engineer

Quality Assurance Automation Engineer Askuity is a Toronto‑based retail analytics software company operating as a division within The Home Depot (THD). Through our supplier analytics program, Askuity’s mission is to enable suppliers and merchants at The Home Depot to make profitable, data‑driven decisions and dr ...

Quality Assurance Automation Engineer

Quality Assurance Automation Engineer Askuity is a Toronto‑based retail analytics software company operating as a division within The Home Depot (THD). Through our supplier analytics program, Askuity’s mission is to enable suppliers and merchants at The Home Depot to make profitable, data‑driven ...

Quality Assurance Automation Engineer

Quality Assurance Automation Engineer Askuity is a Toronto‑based retail analytics software company operating as a division within The Home Depot (THD). Through our supplier analytics program, Askuity’s mission is to enable suppliers and merchants at The Home Depot to make profitable, data‑driven ...

Staff Platform Engineer AI Infrastructure

About the Role As a Staff Platform Engineer - AI Infrastructure, you will build and scale the infrastructure behind Paytm's AI inference platform, serving internal teams and enterprise customers and supporting new customer use cases from the ground up. You will own GPU infrastructure, model hosting and serving, ...

Staff Platform Engineer AI Infrastructure

About the Role As a Staff Platform Engineer - AI Infrastructure, you will build and scale the infrastructure behind Paytm's AI inference platform, serving internal teams and enterprise customers and supporting new customer use cases from the ground up. You will own GPU infrastructure, model hosti ...

Full Stack Engineer

Who We Are At OPENLANE we make wholesale easy so our customers can be more successful.Our Focus We’re a technology company building the world’s most advanced—and uncomplicated—digital marketplace for used vehicles.We’re a data company helping customers buy and sell smarter with clear, actiona ...

Quality Assurance Specialist

Quality Engineer / Assurance Specialist Aversan Inc. ( is a trusted multi‑service engineering and electronics manufacturing company. Aversan delivers leading‑edge and reliable safety‑critical electronics and software systems to the aerospace, defence, and space industries. We are currentl ...

Senior AI Engineer Remote

Req ID: 369008 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with u ...

Senior Mechanical Engineer

Primero America’s team is currently looking for a Senior Mechanical Engineer.This is a unique opportunity to join our talented team and be part of Primero’s growth and success. Primero is an Australian-founded company, established in 2011 and rapidly growing in Montreal since 2016. We specialize in the ...

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