152,375+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Chorus.ai Full Stack Software Engineer

Become a key player at Chorus.ai as a Full Stack Software Engineer, focused on creating innovative solutions in conversation intelligence. Your work will involve backend and frontend technologies to elevate sales performance.This position requires 5–10 years of software engineering experience, with a strong ...

Senior Software Engineer at Fulfil

Elevate your impact in eCommerce with Fulfil as a Senior Software Engineer II in Toronto, Ontario. Embrace a hybrid work model, focusing on web functionalities and innovative AI integrations.This full-time role requires you to own the development of web applications while working directly with the core Pytho ...

Senior Full Stack Engineer at Flywheel

Elevate your software engineering career with Flywheel as a Senior Full Stack Engineer. Focus on scalable cloud applications, utilizing Python, Django, React, and TypeScript to support the Perpetua product.This role involves 5+ years of experience in software engineering, building production systems effectiv ...

Senior Data Engineer ( Databricks/Snowflake)

SENIOR DATA ENGINEER- Toronto (3 days downtown/Hybrid) Our client is interviewing to onboard a Senior Data Engineers to join their Data & Analytics team within the Wealth Technology group. We are looking for Data Engineers with proven track record working within the Wealth Mgmt. / Financi ...

Senior Data Engineer ( Databricks/Snowflake)

SENIOR DATA ENGINEER- Toronto (3 days downtown/Hybrid) Our client is interviewing to onboard a Senior Data Engineers to join their Data & Analytics team within the Wealth Technology group. We are looking for Data Engineers with proven track record working within the Wealth Mgmt. / Financi ...

Senior Software Engineer in AI Development

Advance your career as a Senior Software Engineer at Solid State AI, specializing in AI development for manufacturing industries in Toronto. Your expertise could transform processes and deliver value to our clients.In this role, you will leverage your 7+ years of Python experience to architect scalable ...

Senior Applied AI Engineer

The Senior Applied AI Engineer is responsible for designing, developing, and deploying advanced Gen AI and machine learning solutions that drive business value in Wealth Management. This role blends deep technical expertise with financial domain knowledge, collaborating with cross‑functional teams to deliver sca ...

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 Synthetic Population Engineer

A data science company is seeking a Synthetic Population Engineer to enhance their synthetic population model using advanced data science techniques. The role requires expertise in Python and relational databases, with responsibilities including enriching datasets, projecting demographic trends, and ensuring rea ...

Senior Test Automation Engineer – API, UI & SQL

A technology services company in Toronto is seeking a Software Engineer in Test with over 7 years of experience in software quality engineering. The ideal candidate will have expertise in automation, Python, ETL, and SQL, with hands-on experience in API testing. This mid-senior level contract role involves devel ...

Senior Full Stack Engineer: Cloud Native, Global Scale

A global ecommerce platform is seeking a Senior Full Stack Engineer to redefine the Goldin platform. The role involves designing scalable, cloud-native architectures and requires expertise in Python, JavaScript, and AWS services. The ideal candidate has extensive experience in developing consumer-facing applicat ...

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 Backend Engineer – Energy Tech & Cloud

A leading clean-tech software company in Toronto is seeking a Senior Software Engineer to enhance energy management solutions. The ideal candidate will have over 4 years of backend engineering experience, particularly in Golang and Python. Responsibilities include optimizing CI/CD pipelines, conducting code revi ...

Senior Generative AI Engineer — APIs, Scale & Safety

A leading technology firm in Toronto is seeking a Senior Engineer specializing in Generative AI. The candidate should have over 8 years of experience in data-intensive solutions and strong programming skills in languages such as Python and Go. Responsibilities include architecting APIs for AI models, ensuring sc ...

Senior AI Platform Engineer: AI First Systems & UX

A leading tech company in Toronto is seeking a Senior Software Engineer to build innovative AI-powered platform capabilities. This role is vital in designing user experiences and influencing product direction. The ideal candidate has over 6 years of software engineering expertise, strong proficiency in Python, a ...

Senior Full Stack Engineer: Cloud Native, Global Scale

A global ecommerce platform is seeking a Senior Full Stack Engineer to redefine the Goldin platform. The role involves designing scalable, cloud-native architectures and requires expertise in Python, JavaScript, and AWS services. The ideal candidate has extensive experience in developing consumer-facing applicat ...

Senior Test Automation Engineer – API, UI & SQL

A technology services company in Toronto is seeking a Software Engineer in Test with over 7 years of experience in software quality engineering. The ideal candidate will have expertise in automation, Python, ETL, and SQL, with hands-on experience in API testing. This mid-senior level contract role involves devel ...

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 ...

Senior AI Platform Engineer: AI First Systems & UX

A leading tech company in Toronto is seeking a Senior Software Engineer to build innovative AI-powered platform capabilities. This role is vital in designing user experiences and influencing product direction. The ideal candidate has over 6 years of software engineering expertise, strong proficiency in Python, a ...

Senior Full Stack Engineer: Cloud Native, Global Scale

A global ecommerce platform is seeking a Senior Full Stack Engineer to redefine the Goldin platform. The role involves designing scalable, cloud-native architectures and requires expertise in Python, JavaScript, and AWS services. The ideal candidate has extensive experience in developing consumer-facing applicat ...

Senior Generative AI Engineer — APIs, Scale & Safety

A leading technology firm in Toronto is seeking a Senior Engineer specializing in Generative AI. The candidate should have over 8 years of experience in data-intensive solutions and strong programming skills in languages such as Python and Go. Responsibilities include architecting APIs for AI models, ensuring sc ...

Senior Test Automation Engineer – API, UI & SQL

A technology services company in Toronto is seeking a Software Engineer in Test with over 7 years of experience in software quality engineering. The ideal candidate will have expertise in automation, Python, ETL, and SQL, with hands-on experience in API testing. This mid-senior level contract role involves devel ...

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 Backend Engineer – Energy Tech & Cloud

A leading clean-tech software company in Toronto is seeking a Senior Software Engineer to enhance energy management solutions. The ideal candidate will have over 4 years of backend engineering experience, particularly in Golang and Python. Responsibilities include optimizing CI/CD pipelines, conducting code revi ...

Senior Generative AI Engineer — APIs, Scale & Safety

A leading technology firm in Toronto is seeking a Senior Engineer specializing in Generative AI. The candidate should have over 8 years of experience in data-intensive solutions and strong programming skills in languages such as Python and Go. Responsibilities include architecting APIs for AI models, ensuring sc ...

Remote AI/ML Engineer NLP & LLM Deployment (3+ yrs)

A technology consulting company is seeking an AI / ML Engineer or Data Scientist with over 3 years of experience in AI/ML development. The successful candidate will have a solid educational background in Computer Science, practical experience in NLP, and strong proficiency in Python. The position is remote and f ...

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 Backend Engineer – Energy Tech & Cloud

A leading clean-tech software company in Toronto is seeking a Senior Software Engineer to enhance energy management solutions. The ideal candidate will have over 4 years of backend engineering experience, particularly in Golang and Python. Responsibilities include optimizing CI/CD pipelines, conducting code revi ...

Senior AI Platform Engineer: AI First Systems & UX

A leading tech company in Toronto is seeking a Senior Software Engineer to build innovative AI-powered platform capabilities. This role is vital in designing user experiences and influencing product direction. The ideal candidate has over 6 years of software engineering expertise, strong proficiency in Python, a ...

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 Generative AI Engineer — APIs, Scale & Safety

A leading technology firm in Toronto is seeking a Senior Engineer specializing in Generative AI. The candidate should have over 8 years of experience in data-intensive solutions and strong programming skills in languages such as Python and Go. Responsibilities include architecting APIs for AI models, ensuring sc ...

Remote Synthetic Population Engineer

A data science company is seeking a Synthetic Population Engineer to enhance their synthetic population model using advanced data science techniques. The role requires expertise in Python and relational databases, with responsibilities including enriching datasets, projecting demographic trends, and ensuring rea ...

Senior AI Platform Engineer: AI First Systems & UX

A leading tech company in Toronto is seeking a Senior Software Engineer to build innovative AI-powered platform capabilities. This role is vital in designing user experiences and influencing product direction. The ideal candidate has over 6 years of software engineering expertise, strong proficiency in Python, a ...

Senior Backend Engineer – Energy Tech & Cloud

A leading clean-tech software company in Toronto is seeking a Senior Software Engineer to enhance energy management solutions. The ideal candidate will have over 4 years of backend engineering experience, particularly in Golang and Python. Responsibilities include optimizing CI/CD pipelines, conducting code revi ...

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 ...

Senior Full Stack Engineer: Cloud Native, Global Scale

A global ecommerce platform is seeking a Senior Full Stack Engineer to redefine the Goldin platform. The role involves designing scalable, cloud-native architectures and requires expertise in Python, JavaScript, and AWS services. The ideal candidate has extensive experience in developing consumer-facing applicat ...

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 ...

Senior Test Automation Engineer – API, UI & SQL

A technology services company in Toronto is seeking a Software Engineer in Test with over 7 years of experience in software quality engineering. The ideal candidate will have expertise in automation, Python, ETL, and SQL, with hands-on experience in API testing. This mid-senior level contract role involves devel ...

Integration Lead (Insurance Workflow Automation AI Project)

Are you a skilled engineer ready to lead enterprise automation projects? Apply Now! Working with one of our top financial clients, this role calls for an Integration Lead - (Insurance Workflow Automation - AI Project) to support a large-scale AI-enabled insurance workflow automation initiative. Thi ...

Integration Lead (Insurance Workflow Automation AI Project)

Are you a skilled engineer ready to lead enterprise automation projects? Apply Now!Working with one of our top financial clients, this role calls for an Integration Lead - (Insurance Workflow Automation - AI Project) to support a large-scale AI-enabled insurance workflow automation initiative. This pos ...

Senior Data Engineer

Analytics Data Engineer – Treasury/Finance Duration: 6 months Extension Potential: No FTE Conversion: No Work Hours: 9:00 AM – 5:00 PM Location: Remote or Hybrid (must be able to visit the office for technical issues or ...

QA Automation Engineer Toronto

QA Automation Engineer - Toronto Engineering Toronto Description VAST Data is looking for a QA Automation Engineer to join our growing team! This is a great opportunity to be part of one of the fastest-growing infrastructure companies in history, an ...

Senior Full Stack Developer (Python/AWS/Angular) Toronto, ON (Hybrid)

Position: Senior Full Stack Developer (Python/AWS/Angular) Location: Toronto, Canada (4 Days onsite/week) Start date: ASAP Employment Type: Contract Responsibilities Manage timelines/deliverables within the team towards the suc ...

Automation Testers with Selenium+Java, Basics of Python, and SQL

Title QE/QA Python Automation Tester Location Toronto, ON (Hybrid: 4 days in office + 1 day WFH) Job Description Selenium+Java for UI Automation Python & Robot framework basics GitHub Actions (CI/CD) JIRA/Confluence, collabor ...

Betstamp Full Stack Developer (Go | React | Python July 2025 Start)

About Us: Betstamp is the future of sports betting. We were founded in 2020 to make sports betting easy and accessible to everyone, while also improving your odds of winning your bets. Our team is dedicated to creating the best user experience possible while educating the public about s ...

Betstamp Full Stack Developer (Go | React | Python July 2025 Start)

About Us: Betstamp is the future of sports betting. We were founded in 2020 to make sports betting easy and accessible to everyone, while also improving your odds of winning your bets. Our team is dedicated to creating the best user experience possible while educating the public about s ...

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