53,674+ Fullstack Developer Nodejs Python Expressjs Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Lead AI & Emerging Tech Engineer — GenAI Solutions

A global investment organization is seeking a Lead Engineer for AI & Emerging Tech in Toronto. This hands-on role requires driving the design and deployment of next-gen tech solutions while mentoring engineers. The ideal candidate will have significant experience in Python, AWS cloud, and emerging technologies, ...

Senior QA Automation Engineer – Elevate Enterprise Testing

A leading pension provider in Ontario is seeking a QA Automation Engineer to design and develop automated test strategies, ensuring quality across business applications. The ideal candidate will have at least five years of experience and strong skills in JavaScript, Python, and Java, along with proficiency in au ...

Senior ML Optimization Engineer Remote Friendly

A cutting-edge AI company in Canada is seeking an experienced professional to help develop self-driving technology. The role involves collaboration with engineers, building efficient training frameworks, and evaluating new technologies. Candidates should have a strong educational background in Computer Science o ...

Marketing Data Scientist: MMM & Attribution (Hybrid)

A leading marketing agency in Toronto is seeking a Marketing Data Scientist to enhance their capabilities in Marketing Mix Modeling and multi-touch attribution. The role involves significant data analysis and requires candidates who are proficient in Python and have experience with open-source marketing mix mode ...

Senior Transmission Planner Power Systems Studies

A leading engineering firm in Canada is seeking an Intermediate/Senior Transmission Planning Power Systems Studies Engineer. This role involves conducting power system modelling and studies, requiring experience with PSS/E and Python. The firm offers flexible work arrangements. Candidates should possess a Master ...

Hybrid Toronto: Senior Platform Engineer, AI & LLM

A technology firm specializing in legal solutions is seeking a Backend Engineer to build core systems for LLM-powered applications. This hybrid role based in Toronto involves collaboration with cross-functional teams to design reliable, scalable infrastructure. The ideal candidate has strong backend experience, ...

Remote Senior SRE — Cloud Native Reliability & IAM

A leading technology company seeks a Senior Contributor in the APX SRE organization, focusing on delivering cloud-native solutions. You will build tools that enhance service provisioning and maintain high reliability standards. The role requires 6+ years in software engineering or SRE, particularly with cloud pl ...

Senior Data Scientist, Decision Intelligence & Forecasting

A leading e-commerce platform in Toronto is looking for a Senior Data Scientist to build and own the data science discipline within the Decision Intelligence team. The ideal candidate will have 5+ years of related experience, with strong skills in Python and SQL, and will drive the development of predictive mode ...

Senior Full Stack Engineer: Build Next Gen Lidar Platforms

A tech company specializing in Physical AI located in Toronto, Ontario is seeking a Senior Full Stack Engineer to join their team. This role involves designing and developing scalable web applications using Angular and backend technologies such as Python, Rust, or C++. Ideal candidates will have 3+ years of expe ...

Remote AI Development & ML Engineer

A leading technology service provider is seeking an AI Development Engineer to design, develop, and deploy AI-driven solutions. This role offers the opportunity to work remotely and requires 3 to 5 years of experience in AI and machine learning, proficiency in Python, and familiarity with cloud platforms like AW ...

Technical Lead & Backend Architect: Distributed Systems

A dynamic tech startup in Toronto seeks an experienced Technical Lead / Backend Architect to shape their backend architecture. This role involves designing scalable systems capable of handling billions of events monthly and optimizing existing databases. The ideal candidate will have extensive experience in back ...

Senior SDET Lead Hybrid (4/1) Banking

A leading technology services provider is seeking a Lead SDET for a long-term contract in Toronto, ON. This role requires 9+ years of experience and a strong background as an SDET, proficient in tools like Selenium, RestAssured, Cucumber, and TestNG, along with experience in Java or Python. The work model is hyb ...

Cloud Data Migration Engineer: Snowflake + Azure (Hybrid)

A technology recruitment firm in Toronto is seeking a Business Operations Manager with a strong background in cloud data migration and software development. The successful candidate will support the migration of analytics assets to Snowflake and Azure, develop frameworks, and maintain software solutions. Qualifi ...

GenAI Data Scientist for Sales Enablement & Insights

A data science company is seeking a Data Scientist in Toronto, Ontario to support a GenAI-powered sales enablement platform. The successful candidate will analyze complex datasets, generate insights, and collaborate with cross-functional teams. Key qualifications include strong proficiency in Python and SQL, exp ...

Lead Software Engineer – Capital Markets & Analytics

A leading bank in Canada is seeking a Lead Software Engineer to boost capital markets products and analytics platforms. The ideal candidate will have over 8 years of experience in enterprise application development, proficiency in Java or Python, and a strong understanding of SQL and modern development practices ...

Analyste Principal Modélisation, Prévisions et Validation

Une grande institution financière à Toronto recherche un Analyste principal, Modélisation et Prévisions pour sa validation de modèles. Le candidat retenu validera des modèles quantitatifs utilisés dans les entreprises non de détail au Canada et aux États-Unis. Une solide formation en ingénierie financière ou dis ...

Data Science Intern: ML, Causal Insights & Growth

A leading financial technology platform is seeking a Data Science Intern in Toronto, Ontario for summer 2026. This role involves analyzing large datasets and applying machine learning techniques to drive business impact. The candidate should be enrolled in a quantitative PhD program and possess experience with P ...

Mapping & Decisions Data Scientist — Hybrid Role

A leading rideshare company in Toronto, Ontario, is seeking a Data Scientist to join their Mapping team in a hybrid role. The successful candidate will analyze data to enhance mapping products and drive efficiency. Responsibilities include leveraging data insights, designing experiments, and establishing metrics ...

Senior Generative AI Scientist – ML & Agentic Systems

A leading financial institution is seeking a Senior Data Scientist specializing in Generative AI and Machine Learning in Toronto. This role involves leading a team, implementing AI-driven solutions to enhance customer experience and operational efficiency. Candidates should possess a Master's or Ph.D. in Data Sc ...

Senior Data Scientist, Ads Auctions — Remote

A grocery delivery service is seeking a Senior Data Scientist to innovate auction mechanisms crucial to their advertising business. Responsibilities include designing analytical frameworks for auction systems, performing experiments to evaluate auction changes, and collaborating with cross-functional teams. Cand ...

AI/ML Data Platform Lead — Scalable Pipelines, Equity

A technology startup is seeking a Data Platform Software Lead Engineer to drive the architecture underlying its AI/ML pipelines. In this role, you'll design and build reliable systems for data ingestion and processing, focusing on large-scale code and text datasets. The ideal candidate has over 8 years of experi ...

Senior Data Engineer & Associate Director Cloud & AI

A leading financial information services provider is seeking an Associate Director/Lead Data Engineer in Toronto. The ideal candidate will have over 8 years of data engineering experience, including proficiency in Python and Java, and expertise in cloud technologies like Snowflake and AWS. This position offers a ...

Senior Backend Engineer, Growth Platform (Remote)

A leading fintech company is seeking a Senior Software Engineer for their Backend team. The role is focused on creating scalable systems that drive user growth and engagement. Candidates should have over 4 years of backend development experience, specifically using Python or Kotlin, and a strong grasp of distrib ...

Senior Data Scientist, Supply Chain Analytics & ML Ops

A leading technology company in Toronto is seeking a Senior Data Scientist to join their SCM Data team. The role involves engaging with cross-functional business partners to develop innovative data solutions and analytics projects. Candidates should have 3-5 years of supply chain experience, familiarity with Mic ...

Credit Risk Strategy Lead, ARD & Analytics

Une grande institution financière à Toronto recherche un(e) Responsable de la stratégie de risque de crédit. Le candidat idéal aura une expérience solide en gestion des risques de crédit, ainsi qu'une maîtrise des outils analytiques comme Python et SQL. Les responsabilités incluent le développement et l'optimisa ...

Hybrid Lead: Underwriting & Valuations Strategy Analyst

A leading financial services company in Toronto is seeking a Manager, Underwriting & Valuations Strategy Analyst Lead. This role involves leading analysis for underwriting strategies, guiding junior analysts, and collaborating with senior leadership. Ideal candidates should have at least 5 years of experience in ...

Credit Risk Model Validation Lead

A global financial institution is seeking a Manager for Credit Risk Model Validation in Toronto. This role focuses on validating credit risk models, providing challenge to developers, and communicating risks to stakeholders. The ideal candidate should have 3-5 years of experience in model validation and hold a M ...

Cloud Native AI Architect for Production GenAI

A major software company in Toronto seeks a Software Architect specializing in AI/ML. This role involves designing scalable, secure cloud-native services and owning the architecture for GenAI systems. Candidates should have over 8 years of experience in software production and 4 years specifically in AI systems. ...

Senior QA Automation Engineer – Elevate Enterprise Testing

A leading pension provider in Ontario is seeking a QA Automation Engineer to design and develop automated test strategies, ensuring quality across business applications. The ideal candidate will have at least five years of experience and strong skills in JavaScript, Python, and Java, along with proficiency in au ...

Full Stack Software Engineer I — Toronto (Onsite)

A leading software company in Toronto is seeking a passionate software engineer to contribute across the full stack. You'll tackle architectural decisions, build and optimize REST APIs, and create intuitive user interfaces. Candidates should have a background in Python/Django and React or Flutter, alongside expe ...

Senior AI Backend Engineer: Scalable, High Performance APIs

A leading technology firm in Toronto is seeking a Senior Software Engineer to design and optimize backend systems for AI-powered platforms. In this role, you will architect high-performance services, manage large-scale data flows, and collaborate with cross-functional teams to implement AI capabilities. Candidat ...

AVP, Lead AI Engineer Enterprise LLM Architect

A leading insurance firm in Toronto is seeking an AVP, Lead AI Engineer with strong technical leadership skills and a passion for large-scale AI solutions. This role is focused on architecting and deploying systems that enhance core insurance processes. The ideal candidate has significant experience in software/ ...

Frontend Engineer, New Products — Hybrid (SF)

A leading technology company in Toronto is seeking a Software Engineer to join their New Products team. The role involves building and launching innovative products that enhance workflows for personal injury lawyers and their clients. With 5-10+ years in backend or frontend engineering, candidates should possess ...

Quant Finance Forecasting Analyst AI Driven Insights

A technology-focused company based in Toronto is seeking an Entry-level Quantitative Finance Forecasting Analyst to evaluate predictive models and interpret financial data. The ideal candidate will assess model outputs and validate important forecasting assumptions, contributing to market analysis. A background ...

AWS Cloud Data Engineer ETL & Data Pipelines

A leading IT services company in Toronto is seeking an experienced professional to design and implement cloud data pipelines. You will work with large data volumes, developing ETL processes and utilizing AWS services, including Glue and Lambda. Strong skills in Python and SQL are essential. A base salary range o ...

Global Scale Software Architect & AI Tech Leader

A global staffing and consulting firm is seeking a Software Engineer V in Toronto, Ontario. This role involves architecting scalable services and mentoring senior engineers. Candidates should have deep expertise in modern programming languages like Python, Java, C++, or Go. Experience with cloud infrastructures ...

Senior ML Optimization Engineer Remote Friendly

A cutting-edge AI company in Canada is seeking an experienced professional to help develop self-driving technology. The role involves collaboration with engineers, building efficient training frameworks, and evaluating new technologies. Candidates should have a strong educational background in Computer Science o ...

Hybrid Data & Analytics Lead for AI Driven Transformation

A national professional organization is seeking a Data & Analytics Specialist to support their digital transformation and AI initiatives. This role involves designing modern data infrastructure, integrating data across enterprise systems, and ensuring data governance. Ideal candidates will have 3–5 years of expe ...

Technical Lead & Backend Architect: Distributed Systems

A dynamic tech startup in Toronto seeks an experienced Technical Lead / Backend Architect to shape their backend architecture. This role involves designing scalable systems capable of handling billions of events monthly and optimizing existing databases. The ideal candidate will have extensive experience in back ...

Senior Product Analytics Lead: AI Driven, Cross Functional

A leading meal kits company in Toronto is looking for a Product Analyst who excels in both technical and value-driven roles. The candidate should have extensive experience in quantitative analysis, particularly with SQL and Python. Responsibilities include automating analytical capabilities, mentoring team membe ...

Senior Data Scientist Scale AI & Optimization for Ad Tech

A leading global advertising platform located in Toronto is seeking a Staff Data Scientist with over 7 years of experience to lead data-driven initiatives. The ideal applicant will implement advanced machine learning models, mentor team members, and collaborate across departments to drive innovative solutions. P ...

Mapping & Decisions Data Scientist — Hybrid Role

A leading rideshare company in Toronto, Ontario, is seeking a Data Scientist to join their Mapping team in a hybrid role. The successful candidate will analyze data to enhance mapping products and drive efficiency. Responsibilities include leveraging data insights, designing experiments, and establishing metrics ...

Senior ML Engineer: Recommender Systems & MLOps (Hybrid)

A leading financial services provider is seeking a Senior Machine Learning Engineer based in Toronto, Canada. In this role, you will develop innovative machine learning solutions, ensuring they are scalable, secure, and effectively integrated. The ideal candidate will have at least three years of experience in m ...

Senior SDET Lead Hybrid (4/1) Banking

A leading technology services provider is seeking a Lead SDET for a long-term contract in Toronto, ON. This role requires 9+ years of experience and a strong background as an SDET, proficient in tools like Selenium, RestAssured, Cucumber, and TestNG, along with experience in Java or Python. The work model is hyb ...

Full Stack Engineer: Build Scalable AI Platform

A staffing and consulting firm is seeking a Full Stack Engineer in Toronto to develop scalable applications impacting thousands of users. The ideal candidate has 5+ years of experience, proficiency in backend languages like Python or Java, and frontend skills with JavaScript. As part of a collaborative environme ...

Global Data Scientist — Analytics & Strategy

A leading logistics technology firm in Toronto is seeking a Data Analyst to provide insights and drive decisions using advanced analytics. This role involves collaborating with various teams to build reports, run experiments, and analyze marketplace dynamics. The ideal candidate has over 3 years of data analytic ...

Senior Data Warehouse & AI Systems Analyst

Une banque internationale recherche un spécialiste en technologie pour développer des solutions basées sur des données. Ce poste nécessite une solide expérience en SQL, NoSQL, Python ou Scala, ainsi qu'une expertise en modélisation de données et en entreposage de données. Les candidats doivent être capables d'or ...

AI Driven Software Engineer Intern End to End Impact

A data solutions company in Toronto is seeking a skilled engineer to take ownership of significant projects and innovate with AI technologies. The ideal candidate has expertise in JavaScript/TypeScript, experience with modern frameworks like React and Next.js, and backend skills in Node.js or Python. This role e ...

Senior AI Inference Deployment Lead (Remote)

A leading AI computing company is seeking a Sr. Deployment Engineer in Toronto to deploy AI inference clusters and optimize capacity across datacenters. The ideal candidate has 5-7 years of experience with on-prem compute infrastructure and strong skills in Python and Linux. Responsibilities include developing a ...

Senior Data Engineer ETL & Data Platform Lead

A tech consulting firm in Toronto is seeking a Senior Data Engineer to design and implement robust ETL solutions. You will support existing applications while ensuring high-quality deliverables through expert technical leadership. The ideal candidate should possess significant experience in Python, shell scripti ...

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    Fullstack Developer Nodejs Python Expressjs Jobs in Toronto Job Search Guide, Trends and Insights