166,176+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Hands On Data Engineer with Spark Skills

Step into the role of Data Engineer with Total Fund Management's Portfolio Management Technology team. Focus on optimizing cloud-based data systems utilizing Spark/PySpark and modern storage techniques.You'll develop and optimize Spark workloads tailored for cloud environments, working with significant datas ...

Data Engineer

We're hiring a hands-on Data Engineer to join the Total Fund Management Portfolio Management Technology team. The role focuses on building and optimizing large-scale cloud data systems with Spark/PySpark and modern storage formats. Key Responsibilities Develop and optimize Spark worklo ...

Hands On SRE Observability Engineer

Drive observability initiatives as a hands-on SRE Engineer. Focus on metrics implementation and support throughout the production lifecycle for various applications.In this role, you will collaborate with teams to ensure proper observability across platforms and implement necessary metrics, logs, and traces. ...

Toronto Linux Desktop Engineer Contract

Join Kyndryl in Toronto as a Linux Desktop Engineer, focusing on macOS platform management within a hybrid work model. Your role will revolve around Linux toolchain support and automation scripting.This contract position emphasizes the design and reliability of macOS environments. You will manage configurati ...

Gusto Senior Software Engineer, Data Infrastructure

Join Gusto as a Senior Software Engineer to advance our data infrastructure. Collaborate across teams to manage large datasets and enhance our data delivery capabilities. In this pivotal role, you will work closely with Data Science, Business Intelligence, and analysts. Your deep knowledge of data architectures ...

Cloud Gaming Engineer at NVIDIA

Become a Cloud Gaming Engineer with NVIDIA and impact the future of gaming on the GeForce NOW platform. Focus on system excellence and problem-solving in a robust gaming environment.This role requires a strong candidate with software engineering experience who will tackle complex issues to enhance gameplay a ...

AWS Cloud Engineer with DevOps Experience

Join a top-notch team as a Senior DevOps/Cloud Engineer specializing in AWS. This onsite role at 222 Jarvis St lasts 11 months, requiring expertise in cloud solutions and software development.With over 10 years in tech roles, you’ll be instrumental in creating and managing cloud infrastructures. Key skills i ...

Senior Cloud Engineer at Xanadu

Step into a pivotal role as a Senior Cloud Engineer with Xanadu. Transform the quantum computing landscape by enhancing the pennylane.ai framework.This vital position involves building and maintaining AWS infrastructure, focusing on automated deployment and developer tools. You will collaborate in a fast-pac ...

AI Forward Deployed Engineer North

Join North to innovate with the Agentic Platform, focusing on developing AI solutions for enterprises. Engage directly with clients and shape AI integration in finance and healthcare sectors.North seeks a Forward Deployed Engineer to work closely with engineering teams, enhancing how businesses utilize AI se ...

Data Engineer with GCP & AI Expertise

Transform data processing at Loblaw as a Data Engineer focusing on GCP and AI integration. Leverage your skills in building scalable data solutions to support advanced analytics.This role requires designing data architectures and optimizing pipelines, enabling operational excellence. You will partner with te ...

AWS Cloud Services Engineer at Sony

Enhance cloud solutions with Sony Music Publishing as an AWS Cloud Services Engineer. This position involves architecting and maintaining cloud environments while fostering collaboration across teams.You will be responsible for designing highly available and secure cloud-based applications, managing database ...

Backend Engineer, Metrics Software Delivery & Data Management Firm

About The Role Build the metrics and telemetry backbone that powers observability and analytics. You’ll design ingestion, storage, and query paths for high-cardinality, high-throughput time-series data.Backend Engineer — Metrics Platform Build the metrics and telemetry backbone that powers observabilit ...

Senior Cloud Engineer at Xanadu

Step into a pivotal role as a Senior Cloud Engineer with Xanadu. Transform the quantum computing landscape by enhancing the pennylane.ai framework.This vital position involves building and maintaining AWS infrastructure, focusing on automated deployment and developer tools. You will collaborate in a fast-pac ...

Cloud Gaming Engineer at NVIDIA

Become a Cloud Gaming Engineer with NVIDIA and impact the future of gaming on the GeForce NOW platform. Focus on system excellence and problem-solving in a robust gaming environment.This role requires a strong candidate with software engineering experience who will tackle complex issues to enhance gameplay a ...

Process Engineer in Chemicals Industry

Enhance operational efficiency as a Process Engineer focusing on enterprise customer solutions. Utilize your expertise in process engineering and data analysis to foster measurable improvements.This role involves collaborating with customers to understand their challenges and deploying effective software sol ...

Senior Cloud Engineer in Hybrid Services (Toronto)

Senior Cloud Engineer Elevate technology solutions in RBC's Hybrid Infrastructure Services by focusing on security, optimization, and scalable hybrid cloud engineering. Key Responsibilities Design scalable hybrid cloud services in collaboration with cross-functional teams </li ...

Senior Penetration Tester in Toronto

Engage in offensive security as a Senior Software Engineer specializing in Penetration Testing & Red Teaming. Work in a hybrid model to create custom tools and enhance security operations.This is a hybrid role with 6–8 years of experience required in security engineering or software development. Collaborate with ...

Search Applications Performance Engineer Role

Become a key player in AI search with Cohere as a Search Applications Performance Engineer. Focus on optimizing search infrastructure and enhancing user experiences through performance improvements.As a member of the Compass team, you will work at the intersection of search technology and performance e ...

Senior AI Software Engineer at Company

Elevate developer productivity with the Company as a Senior AI Software Engineer. Design intelligent agents for enhancing workflows across the software development lifecycle in a dynamic environment.In this role, you will be integral in designing and operationalizing AI-powered systems that automate workflow dia ...

Experienced Machine Learning Engineer Role

Advance your career as an Experienced Machine Learning Engineer with RBI in Toronto. This in-office role focuses on deploying and improving machine learning models that drive operational excellence.As part of the Advanced Analytics team, you will play a key role in developing models that enhance customer experie ...

Machine Learning Engineer at Lucrodyne

Join Lucrodyne as a Machine Learning Engineer, leveraging advanced AI technologies in the Greater Toronto Area. Contribute to data-driven transformation for enterprise clients through practical solutions.In this pivotal role, you will drive the implementation and support of Data and AI solutions in collaboration ...

Senior DevOps Engineer Machine Learning Focus

Elevate machine learning capabilities as a Senior DevOps Engineer responsible for developing automated pipelines. Collaborate with scientists and engineers to streamline data processes.This role is targeted at professionals with at least five years of experience in building automated production infrast ...

QA Engineer Role with Automation Focus

Become a Senior QA Engineer at NetBrain, a leader in no-code network automation, with a hybrid schedule in Toronto, ON. Contribute to cutting-edge automation projects and enhance software quality.As part of NetBrain’s pioneering team, you will utilize your expertise in software testing to guide junior engine ...

AWS Cloud Services Engineer at Sony

Enhance cloud solutions with Sony Music Publishing as an AWS Cloud Services Engineer. This position involves architecting and maintaining cloud environments while fostering collaboration across teams.You will be responsible for designing highly available and secure cloud-based applications, managing database ...

Performance Engineer for Search Applications

Elevate user search experiences with Cohere as a Senior Performance Engineer. Specialize in optimizing search technologies to deliver reliable and fast AI-driven results.In this key role with the Compass team, you will be responsible for scaling and enhancing search applications. You will implement monitoring so ...

Synechron QA Automation Engineer Position

Join Synechron as a QA Automation Engineer focused on backend testing and automation. Validate data pipelines and APIs within investment platforms and enhance our digital solutions.This role requires QA Engineers with 4–8 years of extensive automation experience. You will design and implement automated test ...

AI Inference Senior Engineer at NVIDIA

Join NVIDIA as a Senior Engineer focusing on high-efficiency AI inference systems to propel innovation. Leverage cutting-edge GPU capabilities to optimize large-scale AI model performance.In this senior role, you will apply your deep technical expertise in software engineering while driving advancements in A ...

Hands On SRE Observability Engineer

Drive observability initiatives as a hands-on SRE Engineer. Focus on metrics implementation and support throughout the production lifecycle for various applications.In this role, you will collaborate with teams to ensure proper observability across platforms and implement necessary metrics, logs, and traces. ...

AI Forward Deployed Engineer North

Join North to innovate with the Agentic Platform, focusing on developing AI solutions for enterprises. Engage directly with clients and shape AI integration in finance and healthcare sectors.North seeks a Forward Deployed Engineer to work closely with engineering teams, enhancing how businesses utilize AI se ...

Automation Engineer with CI/CD Focus

Advance your career at Infoya as an Automation Engineer focusing on CI/CD practices in Toronto. This hybrid role emphasizes designing and maintaining effective automation frameworks for software testing.In this permanent position, you will collaborate with development teams and product owners over your ...

Site Reliability Engineer for SaaS

Enhance cloud performance as a Site Reliability Engineer with Insight Global for a leading software-as-a-service client. Focus on reliability, monitor dashboards, and support production environments.In this full-time role, you'll tackle cloud operations for Production, Customer Sales, and Professional ...

Staff Engineer for AI/ML Systems

Elevate your career as a Staff Engineer focused on AI/ML Systems at Robots & Pencils. This role leads as a technical architect and mentor, driving impactful solutions.In this position, you will spearhead the design and optimizations of AI models while leading architectural decisions within a dynamic te ...

Cloud Gaming Engineer at NVIDIA

Become a Cloud Gaming Engineer with NVIDIA and impact the future of gaming on the GeForce NOW platform. Focus on system excellence and problem-solving in a robust gaming environment.This role requires a strong candidate with software engineering experience who will tackle complex issues to enhance game ...

Full Stack Engineer with React & Node.js (Toronto)

Join our team as a Full-Stack Engineer focusing on React and Node.js in a hybrid setup. Collaborate to create high-quality SaaS solutions that drive industry success.In this role, you will utilize your extensive experience in engineering—five years or more—within a fast-paced SaaS workplace. Your expertise in Re ...

NVIDIA Systems Engineer for AI Solutions

Elevate your career as a Systems Engineer with NVIDIA, contributing to a groundbreaking AI Platform. Focus on scheduling and optimizing large-scale AI workloads for maximum efficiency.This role at NVIDIA involves designing innovative solutions for training and serving AI models. You will engage in adva ...

Gusto Senior Software Engineer, Data Infrastructure

Join Gusto as a Senior Software Engineer to advance our data infrastructure. Collaborate across teams to manage large datasets and enhance our data delivery capabilities. In this pivotal role, you will work closely with Data Science, Business Intelligence, and analysts. Your deep knowledge of data architectures ...

NVIDIA Senior Engineer Conversational AI (Toronto)

Join NVIDIA and accelerate your career as a Senior Software Engineer focused on Conversational AI. Use your knowledge to develop innovative dialogue systems that shape tomorrow's technology. You'll work within an applied research team, crafting tools like NeMo Guardrails which enhance large language models.T ...

Post Silicon Engineer at Cerebras Systems (Toronto)

Elevate AI hardware design at Cerebras Systems as a Post‑Silicon Engineer. Engage in optimization and bring‑up of the Wafer Scale Engine, essential for next‑gen AI applications. In this pivotal role, you will focus on optimizing Cerebras’s Wafer Scale Engine while collaborating with cross‑functional teams.Ke ...

AWS Cloud Engineer with DevOps Experience

Join a top-notch team as a Senior DevOps/Cloud Engineer specializing in AWS. This onsite role at 222 Jarvis St lasts 11 months, requiring expertise in cloud solutions and software development.With over 10 years in tech roles, you’ll be instrumental in creating and managing cloud infrastructures. Key skills i ...

Data Engineer with GCP & AI Expertise

Transform data processing at Loblaw as a Data Engineer focusing on GCP and AI integration. Leverage your skills in building scalable data solutions to support advanced analytics.This role requires designing data architectures and optimizing pipelines, enabling operational excellence. You will partner with te ...

Gusto Senior Software Engineer, Data Infrastructure

Join Gusto as a Senior Software Engineer to advance our data infrastructure. Collaborate across teams to manage large datasets and enhance our data delivery capabilities.In this pivotal role, you will work closely with Data Science, Business Intelligence, and analysts. Your deep knowledge of data archi ...

AWS Cloud Engineer with DevOps Experience

Join a top-notch team as a Senior DevOps/Cloud Engineer specializing in AWS. This onsite role at 222 Jarvis St lasts 11 months, requiring expertise in cloud solutions and software development.With over 10 years in tech roles, you’ll be instrumental in creating and managing cloud infrastructures. Key sk ...

Reconciliations Software Engineer I at TD

Join TD as a Software Engineer I specializing in Reconciliations, based in Toronto, Ontario. Support financial solutions by developing and refining applications focused on analytics to meet evolving business objectives.This position will entail analyzing requirements, developing system components, and ...

Senior Platform Engineer in a Local Tech Firm

Take charge as a Senior Platform Engineer focused on local solutions. Contribute to the development of a homeowner management platform designed for the GTA market.This role will task you with delivering high-quality, scalable software while effectively collaborating with product teams. You'll drive architect ...

Cloud Engineer

Overview Role: Cloud Engineer Location: Toronto, ON | Hybrid | W2 Only Responsibilities Develop cloud-based applications using Spring Boot Work on Data Lakehouse architecture and Spark Databricks pipelines Automate using Linux/PowerShell s ...

AI Inference Senior Engineer at NVIDIA

Join NVIDIA as a Senior Engineer focusing on high-efficiency AI inference systems to propel innovation. Leverage cutting-edge GPU capabilities to optimize large-scale AI model performance.In this senior role, you will apply your deep technical expertise in software engineering while driving advancements in AI fr ...

AI Engineer for Workflow Automation

Transform processes at CookUnity as a dedicated AI Engineer. Focus on automation to enhance workflows, using cutting-edge AI tools and production-level coding.In this critical role, you will embed within the cross-functional AI team, combining analysis and engineering skills. Your primary responsibilit ...

NVIDIA Senior Software Engineer in AI

Accelerate your career with NVIDIA as a Senior Software Engineer specializing in Conversational AI. Develop cutting-edge dialogue systems and collaborate in an innovative research team.This role demands extensive software development experience, specifically in crafting applications that enhance large language m ...

Senior Software Engineer in Infrastructure

Join a leading team as a Senior Software Engineer focusing on innovative infrastructure solutions. Your expertise in Infrastructure as Code and PostgreSQL optimization will drive system performance and reliability.As a critical member, you will ensure the scalability and maintainability of large-scale data syste ...

Senior Java Engineer with Mindbreeze Focus

Advance your career as a Senior Java Software Engineer specializing in Mindbreeze with our agile team. You will integrate advanced search solutions and collaborate with stakeholders and vendor experts to ensure optimal data insights.We're seeking a candidate with 10 years of development experience, particularly ...

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