Fullstack Engineer Python Java Typescript Jobs in Toronto, Canada

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LLM Engineer — Hybrid Toronto, Agentic AI & Pipelines

A leading tech staffing company in Toronto is seeking an experienced LLM Engineer. This hybrid role involves building next-generation AI agents and working with large-scale AI models, requiring strong expertise in prompt engineering and production-grade pipelines. Candidates should have a Master's degree and 3-5 ...

Generative AI Engineer for Greenfield FinTech in Toronto

A leading financial information services firm in Toronto is seeking a Machine Learning Engineer to build AI-powered generative systems that transform financial analysis. The role offers hands-on experience with cutting-edge technologies, mentorship from senior engineers, and opportunities to significantly impact ...

Staff AI Engineer: Build Production Grade AI & Scalable Backend

A leading Fintech company in Toronto is seeking a fulltime Staff AI Engineer to design and deploy customer-facing AI features from concept to monitoring. Candidates should possess 10+ years of software engineering experience with a strong focus on AI/ML systems, Python, and backend architectures. Responsibilitie ...

ML Engineer (NLP/LLMs) – AI R&D for JusticeTech

A fast-growing vertical SaaS company in Toronto is seeking a Data Scientist/Machine Learning Engineer to join their AI R&D team. You will develop and deploy models for their claims-intelligence platform, focusing on machine learning and natural language processing. The ideal candidate will have a strong technica ...

Senior Full Stack AI Product Engineer

A global information provider is looking for a Senior Product Engineer (Full Stack) to join their innovative Materia AI team in Toronto. You will develop AI-driven software that enhances accounting workflows. In this role, you’ll work on everything from React interfaces to Python-based AI services. You need a st ...

Data Engineer: Build Scalable Pipelines & Insights

A data engineering firm in Toronto is seeking a Data Engineer to design and build scalable data pipelines that enhance decision-making within modern organizations. The ideal candidate will have strong experience with SQL and programming languages such as Python as well as hands-on experience with AWS, Azure, and ...

Senior GenAI Engineer Translation Technology Innovator

A leading translation service provider in Toronto is seeking a Senior Generative AI Engineer to develop next-gen intelligent translation solutions using Generative AI and Large Language Model technologies. This role involves staying current with tech advances, driving applications of GenAI, and leading prototypi ...

Data Engineer – Scalable Pipelines & BI Dashboards

A leading software company in Toronto is seeking a Data Engineer to join their Compliance team. This role focuses on enhancing data processing and analytics pipelines while solving complex problems to improve reliability and scalability of the platform. Ideal candidates will have 2-3 years of experience in big d ...

MLOps Data Engineer: Build & Scale AI Pipelines (Hybrid)

A modern mutual insurance company in Toronto seeks an Associate Data Engineer - MLOps to develop and maintain infrastructure for machine learning and AI models. You will design data pipelines, optimize workflows, and ensure adherence to industry standards. The ideal candidate has a graduate degree in a technical ...

Data & ML Engineer: Fraud Detection & Digital Trust (Onsite)

A leading firm in digital trust is looking for a Data & ML Engineer in Toronto. The successful candidate will work on high-priority fraud detection initiatives, focusing on building data pipelines and unsupervised ML workflows. Responsibilities include integrating data into AWS, developing ETL pipelines, and pro ...

Senior Cloud Platform Architect

A leading contract lifecycle management software provider in Toronto is seeking an experienced Staff Software Engineer – Cloud Services. This role involves owning and evolving the architecture of a cloud-native platform on AWS, ensuring design scalability, reliability, and security. The ideal candidate will have ...

Senior ML Platform Integration & Quality Engineer

A leading AI chip manufacturer in Toronto seeks a Senior Software Engineer for their ML Integration and Quality team. This pivotal role involves software and hardware integration, ensuring quality across the Cerebras AI platform. The ideal candidate has over 5 years of experience in software integration, strong ...

Senior ML Engineer: Real Time Ad Personalization

A leading technology company located in Toronto, Ontario is seeking a Senior ML Engineer to develop and maintain scalable machine learning systems that directly impact monetization across its streaming properties. You will design real-time inference pipelines, collaborate with cross-functional teams, and impleme ...

Senior Photonics PDK Modeling Engineer (Hybrid)

A leader in AI data center infrastructure in Toronto, ON is seeking a Photonics PDK Modeling Engineer. The role focuses on developing the internal Process Design Kit and bridging device physics with system-level simulation. Candidates should have a Master's degree with significant experience or a PhD in Electric ...

Senior SDET – AI Cluster Testing & Automation

A leading AI technology firm in Toronto is seeking a Senior Software Development Engineer in Test to innovate testing on cutting-edge AI infrastructure. The role requires strong experience in distributed systems and automation to ensure the AI cluster achieves % reliability. Ideal candidates will have a solid u ...

Data & ML Engineer for Trust Platform on AWS

A leader in secure digital identity in Toronto is seeking a hands-on Data & ML Engineer to build and scale their Trust Platform. The role involves designing data platforms, maintaining ETL/ELT pipelines, and implementing observability for data workflows. Ideal candidates will have hands-on experience with AWS, s ...

Remote Data Engineer, Build Reliable ELT Pipelines

A leading tech firm in Toronto is seeking a Data Engineer to design, build, and maintain data pipelines for analytics. The ideal candidate will have over 2 years of experience in data engineering, strong SQL and Python skills, and a commitment to data quality. This position supports collaboration with product an ...

Backend Engineer, AI Integrations & APIs

A leading ride-sharing company in Toronto is seeking a Backend Engineer for its Applied AI team. This role focuses on building infrastructure to connect Lyft with emerging AI technologies and involves architecting APIs and orchestration layers for third-party interactions. Ideal candidates should have a BS/MS in ...

Senior Full Stack AI Platform Engineer (Remote)

A leading AI coaching platform provider is seeking a Senior Software Engineer, Full Stack, in Toronto. The role involves architecting and building backend systems and user-facing experiences for an innovative coaching platform. The ideal candidate has strong abilities in both backend and frontend technologies, p ...

Mixed Signal IP Apps Engineer II — Post‑Silicon Bring‑Up

A leading technology company based in Ontario is seeking a Mixed-Signal IP Application Engineer to work on advanced technology nodes. The ideal candidate will have a Bachelor's or Master's Degree in Electrical Engineering, fluency in Mandarin, and experience in C/C++ and Python. Responsibilities include collabor ...

Senior ML QA Engineer: Build Robust AI Quality Gates

A leading design software company is seeking a Senior ML QA Engineer to join their Research Enablement team in Toronto. In this hybrid role, you will define quality standards for ML systems, collaborate with teams, and utilize your expertise in Python and test automation. The ideal candidate has over 7 years of ...

Remote Senior Backend Engineer Merchant Interfaces

A financial technology company in Toronto is looking for a Senior Software Engineer to work on backend systems. The role involves collaborating with teams to design and manage APIs, contributing to the entire API lifecycle, and supporting operations. The ideal candidate has over 5 years of software engineering e ...

GenAI Research Engineer — Hybrid, Impactful ML Systems

A leading professional services firm located in Toronto is seeking a passionate AI Research Engineer to join their innovative team. This role, featuring a hybrid work model, involves designing and deploying generative AI systems, collaborating with product managers and engineers to meet business goals. Candidate ...

Backend Infrastructure Engineer Cost Optimization (Remote)

A leading financial technology company is seeking a Software Engineer II, Backend (Infrastructure) in Toronto. This role involves developing backend systems and ensuring cost efficiency across cloud infrastructure. The ideal candidate has over 1.5 years of experience, proficiency in Python or Kotlin, and knowled ...

SoC Verification Engineer – AI/ML Chiplets

A cutting-edge AI technology company in Toronto is looking for a SoC Design Verification Engineer to join their AI/ML chiplet verification team. In this hybrid role, you will collaborate with various technical teams to ensure the functionality and reliability of advanced AI hardware. Ideal candidates are profici ...

Senior AI Engineer: Agentic AI for Finance

A leading financial technology company in Toronto is looking for a Senior AI Engineer to design and implement AI solutions that enhance financial decision-making. You will collaborate closely with AI engineers to build innovative systems and contribute significantly to our AI capabilities. The ideal candidate ha ...

Lead AI Software Engineer Enterprise LLM & Systems

A leading technology firm in Ontario, Canada, is seeking a Lead Software Engineer specializing in AI to spearhead innovative AI-powered solutions. The ideal candidate will lead the design and implementation of enterprise-scale AI systems while collaborating closely with stakeholders to drive technical strategy. ...

Hybrid Remote MLOps Engineer: Production ML & CI/CD

A leading Canadian insurance company seeks a Machine Learning Operations Engineer to develop, deploy, and monitor machine learning models. Ideal candidates will have over four years of experience and strong programming skills in Python and SQL. The role involves collaborating with various teams to ensure efficie ...

Senior AI Powered Backend Architect

A leading digital transformation consultancy in Toronto is seeking a Principal Agentic Engineer (Back-end) to design, build, and scale robust backend systems for AI-powered products. The role requires strong leadership skills alongside deep technical expertise in Python and cloud-native architectures. You'll lea ...

Generative AI Engineer for Greenfield FinTech in Toronto

A leading financial information services firm in Toronto is seeking a Machine Learning Engineer to build AI-powered generative systems that transform financial analysis. The role offers hands-on experience with cutting-edge technologies, mentorship from senior engineers, and opportunities to significantly impact ...

Data Engineer – Scalable Pipelines & BI Dashboards

A leading software company in Toronto is seeking a Data Engineer to join their Compliance team. This role focuses on enhancing data processing and analytics pipelines while solving complex problems to improve reliability and scalability of the platform. Ideal candidates will have 2-3 years of experience in big d ...

Senior Systems Engineer — mmWave RF & Embedded (Hybrid)

A leading technology company in Ontario is seeking a Senior Systems Engineer to join its R&D team. The role involves developing and validating 802.11 mmWave radio and baseband ICs, debugging complex performance issues, and conducting field tests. Ideal candidates will have at least 5 years of experience in relev ...

Senior Full Stack AI Platform Engineer (Remote)

A leading AI coaching platform provider is seeking a Senior Software Engineer, Full Stack, in Toronto. The role involves architecting and building backend systems and user-facing experiences for an innovative coaching platform. The ideal candidate has strong abilities in both backend and frontend technologies, p ...

Senior Photonics PDK Modeling Engineer (Hybrid)

A leader in AI data center infrastructure in Toronto, ON is seeking a Photonics PDK Modeling Engineer. The role focuses on developing the internal Process Design Kit and bridging device physics with system-level simulation. Candidates should have a Master's degree with significant experience or a PhD in Electric ...

Senior Infrastructure Engineer: Build Self Service Platforms

A leading software monitoring company in Toronto is seeking an Infrastructure Engineer to design and maintain systems that support their growth. This role involves creating scalable, high-performance solutions while ensuring reliability and operational excellence. The ideal candidate has over 5 years of experien ...

Hybrid Remote MLOps Engineer: Production ML & CI/CD

A leading Canadian insurance company seeks a Machine Learning Operations Engineer to develop, deploy, and monitor machine learning models. Ideal candidates will have over four years of experience and strong programming skills in Python and SQL. The role involves collaborating with various teams to ensure efficie ...

Senior AI Engineer: Agentic AI for Finance

A leading financial technology company in Toronto is looking for a Senior AI Engineer to design and implement AI solutions that enhance financial decision-making. You will collaborate closely with AI engineers to build innovative systems and contribute significantly to our AI capabilities. The ideal candidate ha ...

Lead AI Software Engineer Enterprise LLM & Systems

A leading technology firm in Ontario, Canada, is seeking a Lead Software Engineer specializing in AI to spearhead innovative AI-powered solutions. The ideal candidate will lead the design and implementation of enterprise-scale AI systems while collaborating closely with stakeholders to drive technical strategy. ...

AI Engineer: LLM Systems, RAG & Cloud Deployments

A leading IT solutions provider in Toronto is seeking a practical AI Engineer to design and deploy scalable AI systems. In this hands-on role, you will work closely with the CTO to build LLM-powered solutions and integrate various models. The role demands proficiency in Python, API development, and experience wi ...

AI/ML Engineer Retail Agent Orchestration

A leading AI technology company in Toronto is seeking an AI/Machine Learning Engineer to design and implement systems for their innovative agent layer. The role includes responsibilities like developing ML models, orchestrating workflows, and collaborating with a small, high-performing team. The ideal candidate ...

Hybrid Data Engineer: Azure ELT/ETL & BI Pipelines

A leading pension provider in Toronto is seeking a Data Engineer for a 12-month Fixed Term role. The successful candidate will design and build data pipelines using Azure cloud services, implement data quality processes, and maintain CI/CD pipelines. With over 8 years of experience in ETL processes and proficien ...

Backend Engineer, AI Integrations & APIs

A leading ride-sharing company in Toronto is seeking a Backend Engineer for its Applied AI team. This role focuses on building infrastructure to connect Lyft with emerging AI technologies and involves architecting APIs and orchestration layers for third-party interactions. Ideal candidates should have a BS/MS in ...

Senior ML QA Engineer: Build Robust AI Quality Gates

A leading design software company is seeking a Senior ML QA Engineer to join their Research Enablement team in Toronto. In this hybrid role, you will define quality standards for ML systems, collaborate with teams, and utilize your expertise in Python and test automation. The ideal candidate has over 7 years of ...

Mixed Signal IP Apps Engineer II — Post‑Silicon Bring‑Up

A leading technology company based in Ontario is seeking a Mixed-Signal IP Application Engineer to work on advanced technology nodes. The ideal candidate will have a Bachelor's or Master's Degree in Electrical Engineering, fluency in Mandarin, and experience in C/C++ and Python. Responsibilities include collabor ...

Data & ML Engineer for Trust Platform on AWS

A leader in secure digital identity in Toronto is seeking a hands-on Data & ML Engineer to build and scale their Trust Platform. The role involves designing data platforms, maintaining ETL/ELT pipelines, and implementing observability for data workflows. Ideal candidates will have hands-on experience with AWS, s ...

Pricing Systems Engineer Scalable Rider/Driver Pricing

A leading transportation company in Toronto is seeking a Software Engineer to drive high-impact projects and innovate user solutions. This role requires expertise in Python and Golang, with responsibilities including independently leading features and collaborating with cross-functional teams. The position offer ...

Senior AI Platform Engineer Scalable LLM & Agentic Apps

A leading automotive tech company in Toronto is seeking a Senior Software Engineer to shape the architecture of their GenAI platform. This role involves developing intelligent systems using large language models (LLMs), collaborating cross-functionally to enhance automation, and establishing engineering best pra ...

GenAI Research Engineer — Hybrid, Impactful ML Systems

A leading professional services firm located in Toronto is seeking a passionate AI Research Engineer to join their innovative team. This role, featuring a hybrid work model, involves designing and deploying generative AI systems, collaborating with product managers and engineers to meet business goals. Candidate ...

Analytics Engineer I — Databricks & Power BI Dashboards

A leading financial institution in Toronto is looking for an Analytics Engineer to design and maintain data pipelines and analytics solutions. This role demands expertise in SQL, Python, and Power BI, along with experience in Azure Databricks. The ideal candidate will enhance decision-making via robust reporting ...

ML Engineer (NLP/LLMs) – AI R&D for JusticeTech

A fast-growing vertical SaaS company in Toronto is seeking a Data Scientist/Machine Learning Engineer to join their AI R&D team. You will develop and deploy models for their claims-intelligence platform, focusing on machine learning and natural language processing. The ideal candidate will have a strong technica ...

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    Fullstack Engineer Python Java Typescript Jobs in Toronto Job Search Guide, Trends and Insights