621,811+ Lead Fullstack Engineer Python Fastapi Jobs in Canada — Top Companies Hiring June 2026

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Remote Transmission Planning Engineer — Power Systems Studies

A leading engineering firm is seeking a Transmission Planning Power Systems Studies Engineer to conduct power systems modeling and analysis. Candidates should have a Bachelor's degree in Electrical Engineering and proficiency in Python and PSS/E. Responsibilities include performing detailed power system studies, ...

Data Science Engineer (GCP) Remote Canada + Benefits

A leading technology firm in Toronto is seeking a Data Science Engineer with experience in GCP to design and deploy machine learning models. The ideal candidate will have a strong background in statistical analysis and data visualization, proficient in Python and SQL. You will work closely with stakeholders, pro ...

Senior Backend Architect — Scale Core Data Pipelines

A technology company in data management is looking for a Staff Backend Engineer to architect resilient systems for data processing. You will design and oversee the technical direction, ensuring high scalability and performance across distributed systems. Ideal candidates have a robust background in Scala and Pyt ...

AI Platform Backend Engineer & Leader

A global staffing and consulting firm is seeking a Backend Software Engineer to develop and maintain backend services and APIs for an AI platform. Candidates should have at least 2 years of backend engineering experience, proficiency in languages like Python or Java, and familiarity with cloud infrastructure. Th ...

Senior Full Stack Engineer — AWS Cloud & React

A leading ecommerce platform in Toronto seeks a MTS 1 Full Stack Engineer to design and build scalable cloud-native software. The ideal candidate has strong experience with Python, Javascript, and AWS services such as Lambda and SQS. You’ll collaborate with diverse teams to ensure high-quality, consumer-facing s ...

Gaming Platform Application Engineer (Cloud‑Native)

A dynamic gaming technology company is seeking an Application Development Engineer in Vancouver. The role involves designing and enhancing application services in production systems and collaborating across teams to ensure seamless integrations. Candidates should have 3+ years of experience in application develo ...

Cloud Image Engineer Ubuntu Linux & CI Automation

A leading open source software company is hiring a Software Engineer to enhance Linux and cloud infrastructure. Ideal candidates have a Bachelor’s in Computer Science, experience in Python development, and a passion for technology. This role involves building automated delivery systems and collaborating with top ...

Staff Software Engineer, Full Stack & Infra Leadership

A tech company located in Central Ontario is seeking a Software Engineer VI (Full Stack) to manage and expand their Engineering team. Candidates should possess a Bachelor's degree and have over 6 years of experience in backend engineering, specifically with Kubernetes and Python. The role emphasizes big-picture ...

Senior Geospatial Cloud Architect

A geospatial technology company in Calgary is looking for a Senior Engineer to architect solutions that leverage real-time geospatial data. In this position, you'll design production-grade libraries in C++ and develop optimization algorithms for spatial analysis. The ideal candidate has over 7 years of experienc ...

Senior Software Engineer: Scale Core Systems

A high-growth SaaS company in Vancouver seeks a Software Development Engineer to architect and scale core systems. The ideal candidate will have expert-level skills in modern typesafe languages such as Kotlin, TypeScript, or Python, and experience with microservices architecture and APIs. You will work closely w ...

PBAC Security Engineer IAM & Policy as Code

A technology firm in Montreal is seeking an experienced Security Engineer to support its Access Management team. This role focuses on integrating on-premise and cloud solutions with the firm's Policy-Based Access Control system. The ideal candidate will have over 7 years of Python experience and strong skills in ...

Senior ML Integration & Quality Engineer for AI Platform

A leading AI technology company seeks a Senior Software Engineer in Toronto to enhance its AI platform through effective software integration and quality assurance. The role requires 5+ years of experience in software development and testing, particularly in machine learning systems. Candidates should possess st ...

Senior DevSecOps Security Engineer

A tech company in Toronto, Canada is looking for an experienced Security Engineer to enhance application and cloud security. The role requires strong development skills and expertise in modern application security tools. Responsibilities include implementing security practices within CI/CD, conducting threat mod ...

AI/ML Engineer P&C Insurance on GCP (Toronto)

A technology solutions company located in Toronto is seeking a Mid-Senior level AI/ML Engineer to join their team full-time. The ideal candidate should have 4-6 years of experience in AI/ML engineering, strong proficiency in Python, SQL, and various ML frameworks. Knowledge of P&C insurance and experience with G ...

Senior AI Backend Engineer – Hybrid Role

A global leader in information services is looking for a Senior Software Engineer to join their AI-driven team in Toronto. This role involves designing backend services for innovative AI solutions focused on accounting workflows. The ideal candidate should have strong Python skills, experience with AI systems, a ...

AI/Backend Engineer — Scalable LLM Orchestration

A leading fintech startup in Canada is seeking an experienced AI/Backend Engineer to take ownership of their LLM orchestration pipeline. As the first dedicated engineering hire, you’ll work directly with the CTO to scale the technology into an enterprise-ready platform. The role offers significant autonomy and i ...

Remote Full Stack Product Engineer for Cloud Cost Insights

A cloud data management startup is seeking a Product Engineer to develop innovative features for cost management. The role requires owning the full feature delivery process, collaborating with team members, and employing technologies like TypeScript, React.js, and Python. The ideal candidate will thrive in a rem ...

Finance Planning Tech Lead: Hyperion, FDMEE & Essbase

A leading banking institution in Toronto is seeking a skilled Software Engineer to develop and support finance planning applications. The ideal candidate has over 5 years of experience with Essbase and Hyperion Planning, as well as strong skills in Python and Oracle DB. This organization values an inclusive cult ...

Staff Software Engineer, Issue Workflow, High Scale

A leading software monitoring company in Toronto is seeking a Staff Software Engineer for their Issue Workflow team. The ideal candidate has over 10 years of full-stack software engineering experience, primarily in Python and Typescript. You will drive the technical strategy while mentoring other engineers, cham ...

Edge RF & Telemetry Engineer — Field Deployments

A modern defence technology company in Ottawa is seeking an RF Signal & Telemetry Systems Engineer to drive network stack development across edge platforms. The candidate will work directly with deployed systems in real environments, contributing to secure, low-latency connectivity. Ideal candidates should have ...

Senior Automation Engineer Hybrid (Windows/Cloud Testing)

A leading digital work platform provider in Vancouver seeks a Sr. Automation Engineer to automate and benchmark system tests. Ideal candidates have over 5 years of experience, strong programming skills in languages like Java and Python, and deep knowledge of virtualization and Windows administration. This full-t ...

Senior Data Engineer Dataiku & Full Stack Data Solutions

A dynamic technology company in Toronto is seeking a Senior Data Engineer with extensive experience in SQL and Python. You will design and develop database solutions, collaborate in Agile teams, and produce architecture documentation. Ideal candidates have 8-10 years of experience and strong competencies in data ...

Staff GenAI Engineer: Scale LLMs & AI Platforms

A technology firm specializing in identity solutions is seeking a Staff Machine Learning Engineer to drive the development of scalable AI systems. This role involves designing and implementing AI infrastructure, optimizing machine learning systems, and collaborating with cross-functional teams to deliver innovat ...

AI/ML Engineer — Build Scalable Enterprise AI (Remote)

A leading professional services firm in Canada is seeking an AI/ML Engineer to embed AI tools within operations. The candidate will design AI applications, optimize workflows, and collaborate with various teams to deliver business value. The role requires experience in machine learning and data science, with str ...

Azure SRE Engineer — Cloud, IaC & Automation

A leading technology firm is seeking a Cloud Engineer based in Mississauga to oversee cloud resources using Azure. The ideal candidate will have over 5 years of experience in cloud engineering, with a strong background in scripting languages such as Python and tools like Terraform. Responsibilities include maint ...

AI Solutions Engineer: IDP, RAG & Conversational AI

A leading insurance company in Oakville is seeking an AI Solution Engineer to design, develop, and implement advanced AI solutions. This role offers the opportunity to tackle complex technical challenges using cutting-edge technologies like Intelligent Document Processing and conversational AI. Ideal candidates ...

Senior Houdini Simulation Tools Engineer

A leading visual effects studio is seeking a Technical Engineer focused on developing procedural tools using Houdini. The ideal candidate will have over 3 years of experience in VFX or Animation, with strong skills in Python and VEX. Responsibilities include designing scalable systems, collaborating with artists ...

Remote AI Engineer for Production Grade Fintech Automation

A dynamic technology firm is seeking an experienced AI Engineer to design and deploy production-grade AI systems for financial services. Candidates should have significant experience in AI/ML engineering and backend Python development. The role offers a collaborative remote work environment with flexible hours, ...

Agentic AI Engineer — North Platform (Remote)

A leading AI technology company is seeking an engineer to work on their North platform in Ottawa or Toronto. This role involves building features, developing AI agents, and leading deployments while directly engaging with public sector customers. Ideal candidates will have strong Python skills and experience wit ...

Senior Staff Engineer, Developer Productivity & Ecosystem

A leading database software company in Toronto seeks a Senior Staff Engineer to enhance its developer ecosystem. You will partner with engineering leadership to drive developer velocity and efficiency, optimizing software development tools and services. Ideal candidates have 10+ years of experience in developer ...

Senior Software Engineer Data & FinOps Insights

A tech-driven company in Canada seeks a Senior Software Engineer to architect and develop innovative features. You will be responsible for creating cost management tools, developing UI components, and building data pipelines to enhance application performance. The ideal candidate has strong backend and data engi ...

Senior Industrial Engineer — Warehouse Solutions (Hybrid)

A logistics engineering firm seeks a Senior Industrial Engineer (Solution Design) in Toronto, ON. The role involves designing scalable warehouse solutions and translating complex operations into structured models. Ideal candidates have 5-10 years in industrial engineering within logistics, experience with labor ...

Quantum Software Engineer: DSLs & Compiler

A technology company specializing in quantum computing seeks a Scientific Software Engineer to tackle software challenges in quantum systems. You will develop domain-specific languages and work with a vibrant team on cutting-edge technologies. The role requires a Ph.D. in Computer Science or Physics and experien ...

Quantum Software Engineer: DSLs & Compiler

A technology company specializing in quantum computing seeks a Scientific Software Engineer to tackle software challenges in quantum systems. You will develop domain-specific languages and work with a vibrant team on cutting-edge technologies. The role requires a Ph.D. in Computer Science or Physics and experien ...

Quantum Software Engineer: DSLs & Compiler

A technology company specializing in quantum computing seeks a Scientific Software Engineer to tackle software challenges in quantum systems. You will develop domain-specific languages and work with a vibrant team on cutting-edge technologies. The role requires a Ph.D. in Computer Science or Physics and experien ...

Senior Transmission Planning Engineer — Power Systems

A premier engineering firm is seeking an Intermediate/Senior Transmission Planning Power Systems Studies Engineer in Toronto. In this role, you will conduct transmission planning analysis and modelling, ensuring compliance with industry standards. Required qualifications include a Master’s in Electrical Engineer ...

Remote AI Engineer for Production Grade Fintech Automation

A dynamic technology firm is seeking an experienced AI Engineer to design and deploy production-grade AI systems for financial services. Candidates should have significant experience in AI/ML engineering and backend Python development. The role offers a collaborative remote work environment with flexible hours, ...

Remote AI Engineer for Production Grade Fintech Automation

A dynamic technology firm is seeking an experienced AI Engineer to design and deploy production-grade AI systems for financial services. Candidates should have significant experience in AI/ML engineering and backend Python development. The role offers a collaborative remote work environment with flexible hours, ...

Software Platform Engineer (C++/C#)

Role nameSoftware Platform Engineer (C++/C#)LocationToronto- 3daysDurationContractExp Level6+ yearsRequired SkillsStrong proficiency in C++ (modern standards preferred)Solid understanding ofData Structures & AlgorithmsExperience inPerformance tuning and debuggingFamiliarity with Agile ...

Freelance AI Engineer: Scale ML Pipelines and Retrieval

A leading freelance marketplace in Canada is seeking an experienced AI Engineer to optimize and scale its AI-powered influencer marketing platform. You will enhance data pipelines for performance and cost-efficiency while tuning models and improving semantic search. Ideal candidates have strong Python skills and ...

Senior Snowflake Data Engineer: Scale, Optimize, Automate

A leading tech firm in Montreal seeks a Senior Data Engineer to enhance their data infrastructure using Snowflake. This role requires designing scalable data solutions, migrating legacy systems, and developing ETL processes with tools like Talend and Informatica. Candidates should have 7-10 years of experience i ...

Senior AI/ML Architect Vertex AI & Data Platform Lead

A global commerce company is seeking an experienced AI/ML Engineer to design and optimize algorithms in Vertex.ai. This role requires at least 5 years in the field, with strong skills in SQL and Python. Responsibilities include developing scalable data models and mentoring junior engineers. The ideal candidate w ...

Cloud Healthcare Software Engineer (Hybrid, Vancouver)

A healthcare technology firm is looking for a Software Engineer to join their team. This role focuses on developing cloud-based applications and requires skills in .NET, Python, and working with REST APIs. The ideal candidate will have 3+ years of experience and be proficient in modern front-end technologies. Th ...

Low Latency Backend Engineer – Finance & Trading

A global staffing and consulting firm is seeking a Backend Engineer to develop high-performance systems for a leading hedge fund. The ideal candidate will have 5+ years of experience, expertise in Python, Java, or C++, and a strong background in data-intensive systems. This role requires collaboration with vario ...

Kernel Reliability Engineer — Build Robust AI Compute

A cutting-edge AI company in Canada is seeking a deeply technical software engineer for its Kernel Reliability team. The role involves improving the reliability of advanced compute clusters and requires strong programming skills in C/C++ and Python. Candidates should have a solid foundation in operating systems ...

Staff Platform Debug Engineer: SoC & High Perf Debug Tools

A technology company in York Region is seeking a skilled Software Platform Debug Engineer to design and debug low-level software for high-performance server platforms. This role requires deep technical ownership and experience with programming languages such as C, C++, Java, and Python. You will work closely wit ...

Remote AI Engineer for Production Grade Fintech Automation

A dynamic technology firm is seeking an experienced AI Engineer to design and deploy production-grade AI systems for financial services. Candidates should have significant experience in AI/ML engineering and backend Python development. The role offers a collaborative remote work environment with flexible hours, ...

Remote AI Engineer for Production Grade Fintech Automation

A dynamic technology firm is seeking an experienced AI Engineer to design and deploy production-grade AI systems for financial services. Candidates should have significant experience in AI/ML engineering and backend Python development. The role offers a collaborative remote work environment with flexible hours, ...

Quantum Software Engineer: DSLs & Compiler

A technology company specializing in quantum computing seeks a Scientific Software Engineer to tackle software challenges in quantum systems. You will develop domain-specific languages and work with a vibrant team on cutting-edge technologies. The role requires a Ph.D. in Computer Science or Physics and experien ...

Quantum Software Engineer: DSLs & Compiler

A technology company specializing in quantum computing seeks a Scientific Software Engineer to tackle software challenges in quantum systems. You will develop domain-specific languages and work with a vibrant team on cutting-edge technologies. The role requires a Ph.D. in Computer Science or Physics and experien ...

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