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

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Senior Software Engineer Backend, Frontend & Cloud

A leading financial services company in Toronto is looking for a Principal Associate, Software Engineer. In this role, you will be responsible for backend and frontend development, utilizing programming languages like Java and Python. We offer a hybrid work environment and comprehensive benefits including mental ...

Senior Software Engineer Fintech, Scale Big Data (AWS)

A leading fintech startup in Toronto is seeking a Senior Software Engineer to drive projects from implementation to deployment. The ideal candidate will have strong expertise in Python and Django, hands-on experience with AWS services, and a knack for debugging large codebases. You'll work in a collaborative cul ...

Senior QA Engineer Test Automation & Data Transformation

A leading bank in the Americas is seeking a Quality Engineer in Toronto, Canada. The position requires 7+ years of experience in Quality Engineering, with strong skills in Python and Java. You will advocate for quality in the project lifecycle, design test automation frameworks, and provide coaching to team memb ...

Open Source LLM Inference & Model Optimization Engineer

A leading open-source software company in Toronto is seeking a Machine Learning Engineer to optimize models and collaborate with product teams. You will be responsible for developing algorithms and enhancing model performance. Ideal candidates will have strong backgrounds in machine learning, Python, and relevan ...

Senior Data Engineer — Treasury Analytics (Remote)

A leading analytics company in Toronto is seeking an experienced Analytics Data Engineer to gather and preprocess data, perform statistical analysis, and develop ETL pipelines. The ideal candidate has 8-10 years of experience with Python, SAS, and SQL, alongside skills in Power BI and data visualization tools. T ...

ML Engineer Build Scalable AI for Fintech & MLOps

A leading fintech company in Toronto is seeking a Machine Learning Engineer passionate about AI solutions and optimizing ML systems. You will be responsible for designing and deploying machine learning pipelines, implementing MLOps best practices, and collaborating on data pipeline development. The ideal candida ...

Platform Infrastructure Engineer — Scalable Data Systems

A leading software company in Toronto is seeking an experienced software engineer to design and develop scalable APIs and microservices. The role involves building backend services using Go, Java, or Python and requires a strong understanding of distributed systems. Candidates should have over 5 years of softwar ...

Junior Data Engineer: Build AI Data Pipelines

A progressive tech company in Toronto is seeking a Jr. Data Engineer to work on designing data pipelines for AI agents. This entry-level role involves automating data processes and ensuring data integrity while contributing to team best practices. The ideal candidate should have some experience in data engineeri ...

Senior Backend Engineer, AI Platform & MLOps

A leading AI solutions company is hiring an ML Engineer in Toronto, Canada. In this role, you will design and maintain serving stacks for machine learning models and automate training pipelines using Kubernetes. Candidates should have solid experience with Python and knowledge of ML infrastructures. Join a team ...

Software Engineer, Collect — Build Internal AI Tools (Remote)

A leading AI technology company in Toronto is seeking a Software Engineer to develop critical internal tools and collaborate with a talented team. The ideal candidate has experience in both front-end and back-end development, and familiarity with Next.js, TypeScript, React, and Python. Join this inclusive enviro ...

Senior ML Engineer: NLP + BERT, Deep Learning Pro

A technology firm in Toronto is seeking a Senior Machine Learning Engineer. The role involves creating and deploying machine learning models to meet business objectives. The ideal candidate will have deep knowledge of machine learning concepts, proficiency in frameworks like TensorFlow and PyTorch, and strong pr ...

Senior Backend Architect Remote, Scale Global Lifecycle

A leading financial technology company located in Hamilton, Ontario seeks an experienced backend software engineer to build a brand new lifecycle-orchestrator service. Candidates should have over 5 years of experience in backend systems design, familiarity with Kotlin and Python, and strong communication skills. ...

Senior Software Engineer Backend, Frontend & Cloud

A leading financial services company in Toronto is looking for a Principal Associate, Software Engineer. In this role, you will be responsible for backend and frontend development, utilizing programming languages like Java and Python. We offer a hybrid work environment and comprehensive benefits including mental ...

Healthcare Cloud SRE EMR Reliability & Automation

A leading digital consultancy in Canada is seeking a Site Reliability Engineer (SRE) to support mission-critical systems handling sensitive patient data. This role involves architecting and maintaining cloud infrastructure across AWS and GCP, ensuring high availability and security. Ideal candidates will have st ...

Senior ML Engineer: NLP + BERT, Deep Learning Pro

A technology firm in Toronto is seeking a Senior Machine Learning Engineer. The role involves creating and deploying machine learning models to meet business objectives. The ideal candidate will have deep knowledge of machine learning concepts, proficiency in frameworks like TensorFlow and PyTorch, and strong pr ...

Senior Software Engineer Energy Systems & Sustainability

A leading clean-tech software company in Toronto is seeking a Backend Engineer to drive energy management solutions. The role requires 4+ years of experience in Golang and Python, focusing on building scalable systems with a commitment to sustainability. Responsibilities include conducting code reviews, optimizi ...

Senior Software Engineer Fintech, Scale Big Data (AWS)

A leading fintech startup in Toronto is seeking a Senior Software Engineer to drive projects from implementation to deployment. The ideal candidate will have strong expertise in Python and Django, hands-on experience with AWS services, and a knack for debugging large codebases. You'll work in a collaborative cul ...

Open Source LLM Inference & Model Optimization Engineer

A leading open-source software company in Toronto is seeking a Machine Learning Engineer to optimize models and collaborate with product teams. You will be responsible for developing algorithms and enhancing model performance. Ideal candidates will have strong backgrounds in machine learning, Python, and relevan ...

Software Engineer, Collect — Build Internal AI Tools (Remote)

A leading AI technology company in Toronto is seeking a Software Engineer to develop critical internal tools and collaborate with a talented team. The ideal candidate has experience in both front-end and back-end development, and familiarity with Next.js, TypeScript, React, and Python. Join this inclusive enviro ...

Senior Backend Engineer, AI Platform & MLOps

A leading AI solutions company is hiring an ML Engineer in Toronto, Canada. In this role, you will design and maintain serving stacks for machine learning models and automate training pipelines using Kubernetes. Candidates should have solid experience with Python and knowledge of ML infrastructures. Join a team ...

Snowflake Data Engineer | DBT & SQL Specialist | P&C Insurance | Hybrid

A leading technology company is seeking a Snowflake Data Engineer for a hybrid role in Toronto. The ideal candidate will have extensive experience with the Snowflake cloud data platform and strong SQL skills. Responsibilities include designing data processes, collaborating with teams, and mentoring juniors. This ...

ML Engineer Build Scalable AI for Fintech & MLOps

A leading fintech company in Toronto is seeking a Machine Learning Engineer passionate about AI solutions and optimizing ML systems. You will be responsible for designing and deploying machine learning pipelines, implementing MLOps best practices, and collaborating on data pipeline development. The ideal candida ...

Senior Backend Engineer, AI Platform & MLOps

A leading AI solutions company is hiring an ML Engineer in Toronto, Canada. In this role, you will design and maintain serving stacks for machine learning models and automate training pipelines using Kubernetes. Candidates should have solid experience with Python and knowledge of ML infrastructures. Join a team ...

Senior Software Engineer Energy Systems & Sustainability

A leading clean-tech software company in Toronto is seeking a Backend Engineer to drive energy management solutions. The role requires 4+ years of experience in Golang and Python, focusing on building scalable systems with a commitment to sustainability. Responsibilities include conducting code reviews, optimizi ...

Software Engineer, Collect — Build Internal AI Tools (Remote)

A leading AI technology company in Toronto is seeking a Software Engineer to develop critical internal tools and collaborate with a talented team. The ideal candidate has experience in both front-end and back-end development, and familiarity with Next.js, TypeScript, React, and Python. Join this inclusive enviro ...

Senior Software Engineer Fintech, Scale Big Data (AWS)

A leading fintech startup in Toronto is seeking a Senior Software Engineer to drive projects from implementation to deployment. The ideal candidate will have strong expertise in Python and Django, hands-on experience with AWS services, and a knack for debugging large codebases. You'll work in a collaborative cul ...

Senior Software Engineer Hybrid, Data Platforms

A global data and insights firm in Toronto is looking for a Senior Software Engineer to design and enhance systems powering products and analytics. The role calls for strong skills in languages like C# and Python, experience in software architecture, and a knack for mentoring colleagues. This position offers a h ...

Open Source LLM Inference & Model Optimization Engineer

A leading open-source software company in Toronto is seeking a Machine Learning Engineer to optimize models and collaborate with product teams. You will be responsible for developing algorithms and enhancing model performance. Ideal candidates will have strong backgrounds in machine learning, Python, and relevan ...

ML Engineer Build Scalable AI for Fintech & MLOps

A leading fintech company in Toronto is seeking a Machine Learning Engineer passionate about AI solutions and optimizing ML systems. You will be responsible for designing and deploying machine learning pipelines, implementing MLOps best practices, and collaborating on data pipeline development. The ideal candida ...

Senior Software Engineer Backend, Frontend & Cloud

A leading financial services company in Toronto is looking for a Principal Associate, Software Engineer. In this role, you will be responsible for backend and frontend development, utilizing programming languages like Java and Python. We offer a hybrid work environment and comprehensive benefits including mental ...

Senior ML Engineer: NLP + BERT, Deep Learning Pro

A technology firm in Toronto is seeking a Senior Machine Learning Engineer. The role involves creating and deploying machine learning models to meet business objectives. The ideal candidate will have deep knowledge of machine learning concepts, proficiency in frameworks like TensorFlow and PyTorch, and strong pr ...

Sr. Quality Engineer

Job Description What is the opportunity?The RBC Team is hiring for Sr. Quality Engineer role within GFT Team. As a Sr. Quality Engineer, you provide support for a suite of business mission-critical and complex applications, understanding both front and back-end of the applications. Th ...

Lead Risk Manager, Payment Fraud

About the Client Our client is one of Canada’s fastest-growing fintech platforms, transforming how consumers pay, save, and earn rewards through a single seamless app. The company processes over USD $100M in annual transaction volume (TPV) with a base of 250,000+ users across North America, and it ...

Data Engineering Consultant

Overview Be a foundational part of Netlight’s North American story. About Netlight Netlight is an award-winning tech consulting firm dedicated to transforming the world's most ambitious digital companies. We believe that lasting impact comes from shared expertise, whi ...

Data Engineering Consultant

Overview Be a foundational part of Netlight’s North American story. About Netlight Netlight is an award-winning tech consulting firm dedicated to transforming the world's most ambitious digital companies. We believe that lasting impact comes from shared expertise, whi ...

DevOps Software Engineer for AI‑Driven Apps

A financial services company in Toronto is seeking a Software Engineer focusing on DevOps and application development. The ideal candidate will design, build, and support AI-enabled applications while utilizing tools such as React and Python. The role includes developing CI/CD pipelines and API integration, requ ...

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 ...

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 Snowflake Data Engineer | AWS, Spark & AI Growth

A fast-growing analytics consulting firm is seeking a Data Engineer to architect and implement advanced analytics capabilities. The role requires expertise in data engineering with extensive experience in cloud technologies, particularly AWS. Candidates should possess strong skills in Python, SQL, and large-scal ...

AI Platform Engineer: ML Systems & Production

A leading staffing and consulting firm in Toronto is seeking a Machine Learning, AI Software Engineer. You will help build AI-powered capabilities on a modern platform, working on model integration and evaluation frameworks. Ideal candidates have over 2 years of experience in software engineering with machine le ...

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 Data Engineer AWS & Data Platform Expert

A large municipal government in Toronto is looking for a Senior Data Engineer to enhance city services through innovative data solutions. The role involves utilizing AWS technologies for building scalable data infrastructure and contributing to data governance and analytics efforts. Ideal candidates should have ...

Frontend Engineer, New Products — Hybrid (SF)

A leading vertical SaaS company is seeking a Software Engineer for its New Products team in Toronto. This hybrid role involves building impactful technology to assist personal injury lawyers, aiming to improve client outcomes. Candidates should have 5-10 years of engineering experience, preferably with technolog ...

Senior Data Platform Engineer Scale TB/PB Pipelines

A fast-growing startup in Toronto is seeking a Data Engineer to build and optimize scalable data platforms. The role involves tackling complex backend challenges and engineering solutions for a diverse range of data practices. Candidates should be proficient in Java and Python, with comprehensive knowledge of da ...

Senior Data Engineer Snowflake, AWS & Spark

An analytics consulting firm in Toronto is seeking a Data Engineer to architect and implement advanced analytics capabilities. The ideal candidate will have over 12 years of experience in data engineering with a strong focus on AWS Cloud and large-scale data processing pipelines. Key skills include Python, SQL, ...

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 ...

Senior Data Engineer, Real Time Multi Tenant Analytics

A leading tech company is seeking a Senior Data Engineer to architect and build data infrastructure for influencer marketing analytics. The role involves designing ETL pipelines, implementing security models, and optimizing performance for large datasets. Ideal candidates should possess over 5 years of data engi ...

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