163,051+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Junior Data Engineer: Build Scalable Data Pipelines

A leading data-driven company in Toronto is seeking a Junior Data Engineer to support the design and maintenance of data pipelines. You will collaborate closely with data scientists and analysts to ensure that structured data powers insights across market engagements. The ideal candidate has a Bachelor's degree ...

Senior Full Stack Cloud & SaaS Engineer

A leading cloud storage provider in Toronto is seeking a versatile Software Engineer to design and develop full stack applications. Candidates should have over 5 years of experience, proficiency in backend and frontend technologies, and familiarity with SaaS development. This role offers generous wellness progra ...

Photonics Data Analysis Engineer — Quantum Tech (Entry)

A technology company in Toronto is seeking a Photonics Test Engineer to develop software for analyzing photonic devices. This entry-level position requires expertise in Python, a solid understanding of photonics, and strong mathematical skills. The role focuses on automation and algorithm development in a collab ...

Developer Infrastructure Engineer: CI/CD & Tooling

A leading fintech company is looking for a Software Engineer for its Developer Infrastructure team in Toronto. The role focuses on optimizing development processes and building tools to enhance the efficiency of engineering teams. Ideal candidates will have strong coding skills and significant experience in CI/C ...

Remote First Backend Engineer Scalable APIs & Security

A leading technology company is seeking a backend software engineer for a remote position in Toronto. The role involves designing secure backend services, collaborating on API development, and working with modern frameworks. Candidates should have a minimum of 5 years experience, strong skills in Python or Go, a ...

Performance Engineer: AI Workloads & CPU Optimization

A tech company specializing in AI solutions is seeking a Performance Engineer to optimize CPU and memory subsystems for their innovative Runtime software. Candidates should have experience in performance engineering, strong C/C++ skills, and familiarity with distributed systems. This role offers the chance to wo ...

Senior Cloud Architect & Technical Fellow

A leading financial services company is seeking a Distinguished Engineer in Toronto, Ontario. This role involves articulating a bold technical vision, mentoring talent, and ensuring high-quality technical designs. The ideal candidate will have significant experience in software engineering, public cloud technolo ...

Entry Level Java Engineer | AI Driven Learning

A technology company in Toronto is seeking a motivated Software Engineer. This entry-level role is perfect for recent graduates passionate about coding and AI. Responsibilities include writing efficient Java code, developing algorithms, and collaborating with a team to deliver quality solutions. Ideal candidates ...

Senior Video Playback Engineer Cross Platform & AI Driven

A leading streaming service is hiring a Software Engineer in Toronto to design and maintain next-generation video player technology across various platforms. The ideal candidate will have over 5 years of experience in media systems and proficiency in JavaScript and React. This hybrid role allows you to enhance u ...

Senior Full Stack Ad Tech Engineer

A leading travel platform in Toronto seeks a Senior Full-Stack Engineer to innovate ad products and improve user experiences. You will design and implement new features, contribute to the development of core APIs, and collaborate with dynamic teams. Ideal candidates have 5+ years in software development with str ...

Developer Infrastructure Engineer: CI/CD & Tooling

A leading fintech company is looking for a Software Engineer for its Developer Infrastructure team in Toronto. The role focuses on optimizing development processes and building tools to enhance the efficiency of engineering teams. Ideal candidates will have strong coding skills and significant experience in CI/C ...

Solidity Architect for DeFi & DApps

A leading blockchain development company is seeking a Smart Contracts Engineer to join their Toronto team. Your role will involve designing and deploying smart contracts, collaborating with cross-functional teams, and ensuring the security of blockchain applications. Ideal candidates have strong Solidity experti ...

Senior Full Stack Cloud & SaaS Engineer

A leading cloud storage provider in Toronto is seeking a versatile Software Engineer to design and develop full stack applications. Candidates should have over 5 years of experience, proficiency in backend and frontend technologies, and familiarity with SaaS development. This role offers generous wellness progra ...

Staff Backend Engineer Architecture & Scale (Bangkok)

A global travel technology company is seeking a Staff Software Engineer – Back End in Toronto, Canada. This role focuses on developing mission-critical systems that serve millions of users. Candidates must possess extensive experience in modern programming languages and a strong command of RDBMS. The position of ...

Senior Full Stack Ad Tech Engineer

A leading travel platform in Toronto seeks a Senior Full-Stack Engineer to innovate ad products and improve user experiences. You will design and implement new features, contribute to the development of core APIs, and collaborate with dynamic teams. Ideal candidates have 5+ years in software development with str ...

Solidity Architect for DeFi & DApps

A leading blockchain development company is seeking a Smart Contracts Engineer to join their Toronto team. Your role will involve designing and deploying smart contracts, collaborating with cross-functional teams, and ensuring the security of blockchain applications. Ideal candidates have strong Solidity experti ...

Entry Level Java Engineer | AI Driven Learning

A technology company in Toronto is seeking a motivated Software Engineer. This entry-level role is perfect for recent graduates passionate about coding and AI. Responsibilities include writing efficient Java code, developing algorithms, and collaborating with a team to deliver quality solutions. Ideal candidates ...

Photonics Data Analysis Engineer — Quantum Tech (Entry)

A technology company in Toronto is seeking a Photonics Test Engineer to develop software for analyzing photonic devices. This entry-level position requires expertise in Python, a solid understanding of photonics, and strong mathematical skills. The role focuses on automation and algorithm development in a collab ...

Senior Cloud Architect & Technical Fellow

A leading financial services company is seeking a Distinguished Engineer in Toronto, Ontario. This role involves articulating a bold technical vision, mentoring talent, and ensuring high-quality technical designs. The ideal candidate will have significant experience in software engineering, public cloud technolo ...

Performance Engineer: AI Workloads & CPU Optimization

A tech company specializing in AI solutions is seeking a Performance Engineer to optimize CPU and memory subsystems for their innovative Runtime software. Candidates should have experience in performance engineering, strong C/C++ skills, and familiarity with distributed systems. This role offers the chance to wo ...

Senior Video Playback Engineer Cross Platform & AI Driven

A leading streaming service is hiring a Software Engineer in Toronto to design and maintain next-generation video player technology across various platforms. The ideal candidate will have over 5 years of experience in media systems and proficiency in JavaScript and React. This hybrid role allows you to enhance u ...

Senior Frontend Engineer Live Shopping Platform | Remote

A global ecommerce leader in Toronto seeks an experienced software engineer to design and enhance front-end systems. This role involves translating business requirements into clean code, mentoring team members, and overseeing project features. Ideal candidates will have deep knowledge of Javascript/Typescript, R ...

Staff Backend Engineer Architecture & Scale (Bangkok)

A global travel technology company is seeking a Staff Software Engineer – Back End in Toronto, Canada. This role focuses on developing mission-critical systems that serve millions of users. Candidates must possess extensive experience in modern programming languages and a strong command of RDBMS. The position of ...

Remote Cloud Python Engineer for Ubuntu Images

A leading tech firm is seeking a Software Engineer to enhance Ubuntu on public clouds. This role requires excellent Python skills and experience in Linux. You'll collaborate with a distributed team, ensuring quality and stability of Ubuntu images while addressing user needs. The company offers a remote work envi ...

Automation QA API testing, CI/CD integration, Agile

We are looking for a skilled and detail‑orientedAutomation Test Engineerwith experience in designing, developing, and executing automated test frameworks to ensure high-quality software delivery.Key ResponsibilitiesDevelop, maintain, and execute automated test scripts ...

Solidity Architect for DeFi & DApps

A leading blockchain development company is seeking a Smart Contracts Engineer to join their Toronto team. Your role will involve designing and deploying smart contracts, collaborating with cross-functional teams, and ensuring the security of blockchain applications. Ideal candidates have strong Solidity experti ...

Photonics Data Analysis Engineer — Quantum Tech (Entry)

A technology company in Toronto is seeking a Photonics Test Engineer to develop software for analyzing photonic devices. This entry-level position requires expertise in Python, a solid understanding of photonics, and strong mathematical skills. The role focuses on automation and algorithm development in a collab ...

Senior Cloud Architect & Technical Fellow

A leading financial services company is seeking a Distinguished Engineer in Toronto, Ontario. This role involves articulating a bold technical vision, mentoring talent, and ensuring high-quality technical designs. The ideal candidate will have significant experience in software engineering, public cloud technolo ...

Senior Video Playback Engineer Cross Platform & AI Driven

A leading streaming service is hiring a Software Engineer in Toronto to design and maintain next-generation video player technology across various platforms. The ideal candidate will have over 5 years of experience in media systems and proficiency in JavaScript and React. This hybrid role allows you to enhance u ...

Performance Engineer: AI Workloads & CPU Optimization

A tech company specializing in AI solutions is seeking a Performance Engineer to optimize CPU and memory subsystems for their innovative Runtime software. Candidates should have experience in performance engineering, strong C/C++ skills, and familiarity with distributed systems. This role offers the chance to wo ...

Senior Full Stack Ad Tech Engineer

A leading travel platform in Toronto seeks a Senior Full-Stack Engineer to innovate ad products and improve user experiences. You will design and implement new features, contribute to the development of core APIs, and collaborate with dynamic teams. Ideal candidates have 5+ years in software development with str ...

Developer Infrastructure Engineer: CI/CD & Tooling

A leading fintech company is looking for a Software Engineer for its Developer Infrastructure team in Toronto. The role focuses on optimizing development processes and building tools to enhance the efficiency of engineering teams. Ideal candidates will have strong coding skills and significant experience in CI/C ...

Remote First Backend Engineer Scalable APIs & Security

A leading technology company is seeking a backend software engineer for a remote position in Toronto. The role involves designing secure backend services, collaborating on API development, and working with modern frameworks. Candidates should have a minimum of 5 years experience, strong skills in Python or Go, a ...

Staff Backend Engineer Architecture & Scale (Bangkok)

A global travel technology company is seeking a Staff Software Engineer – Back End in Toronto, Canada. This role focuses on developing mission-critical systems that serve millions of users. Candidates must possess extensive experience in modern programming languages and a strong command of RDBMS. The position of ...

Senior Full Stack Cloud & SaaS Engineer

A leading cloud storage provider in Toronto is seeking a versatile Software Engineer to design and develop full stack applications. Candidates should have over 5 years of experience, proficiency in backend and frontend technologies, and familiarity with SaaS development. This role offers generous wellness progra ...

Developer Infrastructure Engineer: CI/CD & Tooling

A leading fintech company is looking for a Software Engineer for its Developer Infrastructure team in Toronto. The role focuses on optimizing development processes and building tools to enhance the efficiency of engineering teams. Ideal candidates will have strong coding skills and significant experience in CI/C ...

Remote First Backend Engineer Scalable APIs & Security

A leading technology company is seeking a backend software engineer for a remote position in Toronto. The role involves designing secure backend services, collaborating on API development, and working with modern frameworks. Candidates should have a minimum of 5 years experience, strong skills in Python or Go, a ...

Remote First Backend Engineer Scalable APIs & Security

A leading technology company is seeking a backend software engineer for a remote position in Toronto. The role involves designing secure backend services, collaborating on API development, and working with modern frameworks. Candidates should have a minimum of 5 years experience, strong skills in Python or Go, a ...

Entry Level Java Engineer | AI Driven Learning

A technology company in Toronto is seeking a motivated Software Engineer. This entry-level role is perfect for recent graduates passionate about coding and AI. Responsibilities include writing efficient Java code, developing algorithms, and collaborating with a team to deliver quality solutions. Ideal candidates ...

Senior Java Developer (Terraform, AWS, & Python REQUIRED

We are seeking a skilled and passionate Senior Software Engineer with strong expertise in Java and AWS to join our technology team. The ideal candidate will have extensive hands‑on experience in software development and architecture, with a keen ability to design and analyze complex systems. A backgro ...

Senior Back End Engineer (C#.Net, Azure) Toronto, ON

About the job Senior Back End Engineer (C#.Net, Azure) - Toronto, ON, ON (Fully Remote) 1-year contract with the possibility of extension Design and develop elegant back-end cloud solutions which are end-to-end: technical analysis, data implementation/architecture, unit testing, development, and integr ...

Senior Java Developer (with Python, AWS and Terraform)

Project description We are seeking a skilled and passionate Senior Software Engineer with strong expertise in Java and AWS to join our technology team. The ideal candidate will have extensive hands‑on experience in software development and architecture, with a keen ability to design and analyze c ...

Senior Java Developer (with Python, AWS and Terraform)

Project description We are seeking a skilled and passionate Senior Software Engineer with strong expertise in Java and AWS to join our technology team. The ideal candidate will have extensive hands‑on experience in software development and architecture, with a keen ability to design and analyze c ...

Senior Java Developer (with Python, AWS and Terraform)

Project description We are seeking a skilled and passionate Senior Software Engineer with strong expertise in Java and AWS to join our technology team. The ideal candidate will have extensive hands‑on experience in software development and architecture, with a keen ability to design and analyze c ...

SCADA/IOT Integration Engineer

SCADA/IOT Integration Engineer at Edgecom Energy This role calls for an innovative engineer to design and develop energy management software, integrating SCADA systems and IoT platforms to monitor, control, and optimize energy usage. About Us Edgecom Energy is a pu ...

SCADA/IOT Integration Engineer

SCADA/IOT Integration Engineer at Edgecom Energy This role calls for an innovative engineer to design and develop energy management software, integrating SCADA systems and IoT platforms to monitor, control, and optimize energy usage. About Us Edgecom Energy is a pu ...

SCADA/IOT Integration Engineer

SCADA/IOT Integration EngineeratEdgecom EnergyThis role calls for an innovative engineer to design and develop energy management software, integrating SCADA systems and IoT platforms to monitor, control, and optimize energy usage.About Us Edgecom Energy is a purpose‑driven ...

SCADA/IOT Integration Engineer

SCADA/IOT Integration Engineer at Edgecom Energy This role calls for an innovative engineer to design and develop energy management software, integrating SCADA systems and IoT platforms to monitor, control, and optimize energy usage. About Us Edgecom Energy is a pu ...

Machine Learning Engineer (Pipeline Developer)

24WD75344 Machine Learning Engineer (Pipeline Developer) Position presentation Autodesk designs software for creators. If you've ever driven a high-performance car, looked at a towering skyscraper, used a smartphone, or seen a great sci-fi movie, chances are you've admired what millions of Autodesk customers are ...

AI Focused Game Engineer at Puzzle Cats

Innovate player experiences as an AI-Focused Game Engineer at Puzzle Cats. This product-oriented role emphasizes using AI in game development and rapid feature deployment.Puzzle Cats is at the forefront of casual mobile games, and as an AI-Focused Game Engineer, you'll contribute to our vision by integrating ...

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