46,010+ Fullstack Developer Nodejs Python Expressjs Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Senior Software Engineer Architecture Lead, Hybrid/Remote

A global data and insights firm in Toronto is looking for a Senior Software Engineer to design and implement systems that support its products and internal operations. The role involves end-to-end ownership of complex features and mentoring fellow engineers. The ideal candidate has significant experience in soft ...

ML Engineer, Open Source LLM Inference & Optimization

A leading software solutions company in Toronto seeks a Machine Learning Engineer to optimize and develop advanced deep learning software for LLMs. You will collaborate with product and research teams to create model optimization algorithms and productize deep learning research. Ideal candidates should have stro ...

Senior AI Product Engineer LLMs, RAG & MLOps

A tech-driven company is seeking a Senior Software Engineer to develop AI-powered product features. You will be responsible for integrating LLMs and creating evaluation frameworks that ensure safety and reliability. The ideal candidate will have over 5 years of experience in software engineering, with a strong b ...

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 ...

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 ...

Staff Data Scientist: ML Forecasting & GenAI Architect

A leading legal tech firm in Toronto seeks a Senior Data Scientist to architect and lead ML systems. Candidates should have over 8 years of relevant experience and actively drive high-impact modeling projects. This role requires proficiency in Python, SQL, and modern AI techniques. The firm offers a competitive ...

Senior ML Evaluation Engineer

A leading software company is seeking a Principal Machine Learning Engineer to design evaluation protocols for ML-powered product experiences, ensuring high standards of quality and reliability. The successful candidate will have over 4 years of experience in ML evaluation or applied engineering and strong progr ...

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 ...

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 ...

Data Architect Snowflake | Cloud Data Solutions Lead

A leading technology firm in Toronto seeks a skilled Data Architect to provide expertise in managing complex data solutions. The role involves designing and implementing scalable data architectures using Snowflake, optimizing performance, and collaborating with analytics teams on advanced projects. Ideal candida ...

Senior Snowflake Engineer Data Platform & Apps

A data solutions company in Toronto is seeking a Snowflake-focused data professional to design, build, and operationalize Snowflake-native solutions. The role involves advanced development within Snowflake, including creating ETL/ELT pipelines and optimizing data workflows. Candidates should have significant exp ...

Senior Agentic AI Engineer: Multi Agent Systems & LLM Ops

A leading AI solutions provider in Toronto is looking for a Senior AI Engineer to leverage expertise in agentic AI systems and cloud deployment. The ideal candidate has significant experience in building multi-agent architectures and RAG pipelines on AWS. Key responsibilities include optimizing AI systems for en ...

Remote Software Engineer, Capital Markets & Analytics

A leading banking institution is seeking Software Engineers in Toronto who are eager to enhance capital markets products and analytics. The role involves developing solutions, working in Agile teams, and using modern technologies. Ideal candidates have at least 4 years of experience with languages like Java or P ...

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 ...

Product Focused Software Engineer (AI, Unlimited PTO)

A data-focused tech startup in Toronto is seeking a product and engineering leader to shape its offerings. The ideal candidate will have over 6 years of experience in building production web applications and possess strong expertise in Python and TypeScript. This role requires a deep understanding of system perf ...

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 Data Platform Engineer — Distributed Systems

A leading software company in Toronto is seeking experienced software engineers to design and build scalable APIs and microservices. Candidates should have 5+ years of experience, strong programming skills in Go, Java, or Python, and a proven track record in distributed systems. This role offers opportunities fo ...

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 ...

Analyste BI Sénior Veille Stratégique & Reporting

Une grande institution financière recherche un Analyste III, Veille stratégique pour fournir un support BI spécialisé et développer des tableaux de bord. Le candidat idéal aura une expérience en intelligence d'affaires et sera solide en Python et Power BI. Le poste est hybride à Toronto, offrant des opportunités ...

AI & ML Engineer: LLMs & Intelligent Systems (Hybrid)

A leading consulting firm in Toronto is seeking a professional to develop and train AI models. This hybrid role involves collaboration on AI solutions and requires expertise in programming languages such as Python, as well as familiarity with machine learning libraries. Candidates should demonstrate strong probl ...

Senior Data Enablement Engineer Hybrid Role

A leading investment organization in Toronto is seeking a Data Enablement professional to build platforms for data services. The ideal candidate will have over 5 years of software engineering experience, particularly with Python, and strong skills in AWS cloud and backend services development. You'll collaborate ...

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 ...

Senior Machine Learning Engineer Recommender Systems

A leading technology firm in Toronto is looking for a Senior Machine Learning Engineer to develop scalable and secure machine learning solutions. Responsibilities include technical implementation, documentation, and collaboration with cross-functional teams. Candidates should have strong Python skills, experienc ...

Data & BI Operations Lead Power BI & ETL

A leading bank in North America is seeking a Senior Manager to lead their operational team in Toronto. You will enhance program efficiency and manage a team of developers using tools like Power BI and Python. The ideal candidate should have at least 7 years of technical experience and be adept in managing IT ope ...

Data ML Engineer

Direct message the job poster from Flexton Inc. Required tech languages : SQL, Python, Java/Scala Must have skillsAnalyze data set and provide insights Contribute to team discussions and process solutions. Able to interact with business partners on all spectrums. Seniority levelMid-Senior lev ...

Senior Snowflake Engineer Data Platform & Apps

A data solutions company in Toronto is seeking a Snowflake-focused data professional to design, build, and operationalize Snowflake-native solutions. The role involves advanced development within Snowflake, including creating ETL/ELT pipelines and optimizing data workflows. Candidates should have significant exp ...

Lead AI/ML Research Engineer Hybrid, Growth & Impact

A global technology company is seeking a Lead Research Engineer to spearhead innovative AI and ML capabilities. This role involves leading technical teams, developing large-scale data processing pipelines, and driving digital transformation. Ideal candidates possess a Bachelor's degree in Computer Science, over ...

Senior Agentic AI Engineer: Multi Agent Systems & LLM Ops

A leading AI solutions provider in Toronto is looking for a Senior AI Engineer to leverage expertise in agentic AI systems and cloud deployment. The ideal candidate has significant experience in building multi-agent architectures and RAG pipelines on AWS. Key responsibilities include optimizing AI systems for en ...

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 ...

Data Scientist — Mapping & Decision Science (Hybrid)

A technology company in Toronto seeks a passionate Data Scientist to enhance mapping products. The role involves collaboration with engineers and product managers, focusing on data-driven decision-making and solving complex mapping issues. Candidates should possess a quantitative degree and 3+ years in data scie ...

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 ...

Power Architect for AI Compute Systems

An innovative technology company is seeking a Power Architect to lead architectural strategy and design decisions for high-performance AI compute systems. This hybrid role involves optimizing power usage in product design and requires extensive experience with power estimation tools and programming in Verilog, C ...

Member of Technical Staff, Semantic Search (Remote)

Cohere seeks a 'Member of Technical Staff, Search' to join our team in Toronto. This role involves developing advanced models for information retrieval, enhancing search systems, and collaborating with multiple teams. Ideal candidates are passionate about search, possess experience with ML frameworks like Python ...

Evaluation Infrastructure Engineer — Autonomous Driving Analytics

A cutting-edge technology startup is seeking a talented individual to join their Evaluation Algorithms team in Toronto. You will play a crucial role in developing the tools and infrastructure for evaluating the performance of autonomous systems. Ideal candidates possess a strong background in Python and statisti ...

Senior DevOps Engineer Cloud, CI/CD & Automation Lead

A technology firm specializing in cloud engineering is seeking a DevOps Engineer to lead DevOps workflows and mentor the development team. This fully remote position welcomes candidates from anywhere in Canada. The ideal candidate will have over 5 years of experience with cloud platforms, automation practices, a ...

Staff Data Scientist: ML Forecasting & GenAI Architect

A leading legal tech firm in Toronto seeks a Senior Data Scientist to architect and lead ML systems. Candidates should have over 8 years of relevant experience and actively drive high-impact modeling projects. This role requires proficiency in Python, SQL, and modern AI techniques. The firm offers a competitive ...

Senior Software Engineer Architecture Lead, Hybrid/Remote

A global data and insights firm in Toronto is looking for a Senior Software Engineer to design and implement systems that support its products and internal operations. The role involves end-to-end ownership of complex features and mentoring fellow engineers. The ideal candidate has significant experience in soft ...

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 ...

Backend Engineer Metrics & Observability Platform

A tech company in Toronto is seeking a Backend Engineer for their Metrics Platform. The role involves designing ingestion pipelines and implementing time-series data storage and analytics. Candidates should have over 5 years of experience in backend systems, be proficient in Go, Java, or Python, and have experie ...

ML Engineer, Open Source LLM Inference & Optimization

A leading software solutions company in Toronto seeks a Machine Learning Engineer to optimize and develop advanced deep learning software for LLMs. You will collaborate with product and research teams to create model optimization algorithms and productize deep learning research. Ideal candidates should have stro ...

Senior AI Product Engineer LLMs, RAG & MLOps

A tech-driven company is seeking a Senior Software Engineer to develop AI-powered product features. You will be responsible for integrating LLMs and creating evaluation frameworks that ensure safety and reliability. The ideal candidate will have over 5 years of experience in software engineering, with a strong b ...

Senior ML Evaluation Engineer

A leading software company is seeking a Principal Machine Learning Engineer to design evaluation protocols for ML-powered product experiences, ensuring high standards of quality and reliability. The successful candidate will have over 4 years of experience in ML evaluation or applied engineering and strong progr ...

Data Platform Lead GenAI & ML Innovation

A leading global insurance provider is seeking a Data Platform Lead in Toronto, Canada. The role involves building machine learning models and collaborating with engineering teams to optimize data processes. Ideal candidates have 6+ years of experience in data science, along with proficiency in Python and SQL. T ...

Senior Analytics & Data Science Leader

A growing analytics consulting firm in Toronto seeks an experienced data analytics professional to solve business problems using data science. Responsibilities include managing analytics projects, engaging with executive stakeholders, and presenting analytical solutions. Candidates should have 6-10 years of expe ...

Data Platform Architect & Associate Director

A leading financial information services provider in Toronto is seeking an experienced Associate Director/Lead Data Engineer to lead the design of data solutions on modern cloud platforms, including Snowflake and AWS. The ideal candidate has over 8 years of data engineering experience, with strong skills in Pyth ...

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 ...

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