152,380+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

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HelloFresh Senior Software Engineer

Join HelloFresh as a Senior Software Engineer in Toronto, where you will architect scalable systems for our unique loyalty program. Benefit from a flexible hybrid work model to enhance collaboration and engagement.As a member of the New Ventures group, you will serve as a key technical authority and de ...

Data Engineer Senior Position at Nimble

Shape the future of healthcare at Nimble as a Senior Data Engineer, focusing on building and optimizing the data infrastructure. This role emphasizes technical expertise and impactful collaboration.At Nimble, your role as a Senior Data Engineer will be pivotal in supporting cross-functional teams. You'll dri ...

Backend Software Engineer at Affirm

Elevate your career with Affirm as a Backend Software Engineer on the Growth Platform. Drive user engagement and lifecycle growth by building robust systems in a fully remote role across Canada.As a Senior Software Engineer at Affirm, you'll lead your team in delivering impactful backend solutions using Pyth ...

Backend Software Engineer at Affirm

Elevate your career with Affirm as a Backend Software Engineer on the Growth Platform. Drive user engagement and lifecycle growth by building robust systems in a fully remote role across Canada.As a Senior Software Engineer at Affirm, you'll lead your team in delivering impactful backend solutions using Pyth ...

Principal Spark Data Engineer Opportunity Toronto

Overview Join a leading data engineering team as a Principal Databricks Data Engineer in Toronto. Focus on architecting enterprise solutions and driving strategic data initiatives within a cooperative setting. You will be instrumental in developing and optimizing data platforms, leveraging your de ...

Senior Data Engineer with Snowflake Expertise

Elevate your career as a Senior Data Engineer specializing in Snowflake and GenAI at Cognizant in Toronto. Design innovative cloud solutions to drive analytics and AI technologies.As a Senior Data Engineer at Cognizant, you will engage in building scalable data platforms and leading ETL migrations. This hybr ...

Software Engineer For Internal Tools And Ai Toronto

OverviewEnhance Push's internal infrastructure as a Full Stack Software Engineer focusing on AI and tool development. This role combines technical skill with creativity in a people-first setting. Push seeks a skilled engineer with over 5 years of experience to lead the building and maintaining of essen ...

Staff Analytics Engineer at HelloFresh

Drive growth with HelloFresh as a Staff Analytics Engineer, specializing in data architecture within a hybrid work environment. Transform data into actionable insights while optimizing and ensuring quality.This position at HelloFresh seeks a Staff Analytics Engineer with a focus on analytics engineering for ...

Principal Spark Data Engineer Opportunity Toronto

Overview Join a leading data engineering team as a Principal Databricks Data Engineer in Toronto. Focus on architecting enterprise solutions and driving strategic data initiatives within a cooperative setting. You will be instrumental in developing and optimizing data platforms, leveraging your de ...

Senior QA Engineer in Investment Management

Enhance software quality as a Senior QA Engineer at a top institutional investor. Utilize your expertise in automation to improve testing processes and contribute to a culture of excellence.This position requires a senior QA engineer with 5+ years of experience in both automated and manual testing. You will ...

Senior Technical Systems Analyst

What is the opportunity? You will join a high-performing team focused on transforming Merchant Payment Systems. The role supports modernization of enterprise payment platforms through API-driven services, cloud-native architectures, and data-driven insights, as well as support and development of ...

Software Engineering Intern (Backend)

About Terminal Terminal is Plaid for Telematics in commercial trucking. Companies building the next generation of insurance products, financial services and fleet software for trucking use our Universal API to access GPS data, speeding data and vehicle stats. We are a fast-growing, venture-backed startup support ...

Site Reliability Lead Engineer in Financial Services

Step into a leadership role as an SRE Lead in Toronto, with a hybrid work structure. Leverage your expertise in multi-tier environments to optimize observability and system performance.As a Site Reliability Engineer Lead, your role revolves around enhancing operational capabilities and executing the SRE WCCS ...

Site Reliability Lead Engineer in Financial Services

Step into a leadership role as an SRE Lead in Toronto, with a hybrid work structure. Leverage your expertise in multi-tier environments to optimize observability and system performance.As a Site Reliability Engineer Lead, your role revolves around enhancing operational capabilities and executing the SRE WCCS ...

Site Reliability Lead Engineer in Financial Services

Step into a leadership role as an SRE Lead in Toronto, with a hybrid work structure. Leverage your expertise in multi-tier environments to optimize observability and system performance.As a Site Reliability Engineer Lead, your role revolves around enhancing operational capabilities and executing the SR ...

Site Reliability Lead Engineer in Financial Services

Step into a leadership role as an SRE Lead in Toronto, with a hybrid work structure. Leverage your expertise in multi-tier environments to optimize observability and system performance.As a Site Reliability Engineer Lead, your role revolves around enhancing operational capabilities and executing the SRE WCCS ...

Data Engineer toronto

Overview Job Role: Data Engineer Duration: 5 Months (4 days need to onsite) Location: Toronto, ON You'll design and maintain high-performance data pipelines as a core member of our technology transformation team. Your focus: migrating legacy SAS processes to Python and PySpark ...

Data Engineer toronto

Overview Job Role: Data Engineer Duration: 5 Months (4 days need to onsite) Location: Toronto, ON You'll design and maintain high-performance data pipelines as a core member of our technology transformation team. Your focus: migrating legacy SAS processes to Python and PySpark ...

Engineering Manager (Pricing)

Requirements 5+ years of experience as a software engineer working on distributed systems in Python, Java, Kotlin, Go, or JavaScript/TypeScript ,3+ years of experience managing engineers, ideally on small, fast-moving squads ,Clear communication, a bias toward action, and th ...

Data Migration Engineer TCS Canada

Transform legacy systems into advanced AI solutions at Tata Consultancy Services as a Data Platform Engineer. This position focuses on migrating SAS codebases to Python while leveraging AI tools.As a Data Migration Engineer at TCS, you'll manage and architect repository structures for SAS codebases, en ...

Staff AI Software Engineer

**Position Title:** Staff AI Software Engineer **Location:** Toronto, ON **About the Job** Are you ready to take your engineering expertise to the next level and help shape the future of healthcare? At Sanofi, we empower our people to learn, innovate, and make an impact. You’ll join ...

Senior Machine Learning Engineer

Location: Toronto, ON, CA Date Posted: Apr 29, 2026 Join our fast‑growing Toronto innovation hub, where we’re building production‑grade AI to reshape global credit decisions. Here, you won’t just ship features—you’ll help reinvent an industry using decades‑deep proprietary data and a modern ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert: Requisition ID: 49271 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Jan 13, 2026 Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert:Requisition ID: 49271Business Unit: Fitch GroupCategory: Information TechnologyLocation: Toronto, ON, CADate Posted: Jan 13, 2026Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert: Requisition ID: 49271 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Jan 13, 2026 Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

Senior Machine Learning Engineer

Location: Toronto, ON, CADate Posted: Apr 29, 2026Join our fast‑growing Toronto innovation hub, where we’re building production‑grade AI to reshape global credit decisions. Here, you won’t just ship features—you’ll help reinvent an industry using decades‑deep proprietary data and a modern tec ...

Senior Machine Learning Engineer AI Innovation Teams

Select how often (in days) to receive an alert: Requisition ID: 49271 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Jan 13, 2026 Fitch Ratings is seeking a Senior Machine Learning Engineer to join our new A ...

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 ...

Staff Engineer in Security Architecture

Join Faire as a Staff Engineer specializing in Security Architecture. Lead the design of innovative security frameworks and promote seamless security practices among development teams.This role requires deep expertise in software security, including hands-on experience with cloud environments like AWS ...

Lead Data Scientist R&D

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our ...

Lead Data Scientist R&D

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our ...

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