575,088+ Lead Fullstack Engineer Python Fastapi Jobs in Canada — Top Companies Hiring June 2026

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Senior/Lead Software Engineer

Company Description Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, ...

Mechanical Integration Lead Engineer

Req ID: Your future role Take on a new challenge and apply your mechanical integration expertise in a cutting-edge field. You’ll work alongside collaborative and innovative teammates. You'll play a key role in leading the development and integration of mechanical systems for tra ...

Lead Software Engineer MLOps

Job Description About the role The Enterprise Data & Analytics Enablement team is looking for a highly experienced, hands‑on Lead Software Engineer to lead our MLOps team within an Analytics Platform, emphasizing AWS cloud services and machine learning operations. The successful candida ...

Lead Mechanical Integration Engineer

Elevate your career as a Lead Mechanical Integration Engineer in a cutting-edge environment. Utilize your mechanical integration skills to foster collaboration and innovation across train platform systems.In this pivotal role, you will manage mechanical systems development for train platforms. Collaborating ...

Lead Software QA Engineer

Comm100 is an award-winning digital customer engagement platform, enabling organizations to better engage, convert and support their customers online. Established in 2009, Comm100 serves over 10,000 clients globally including HP, Rackspace, Government of Canada, Google, Stanford University, and many more. ...

Lead Machine Learning Engineer

Job Overview Lead Machine Learning Engineers at Thoughtworks use modern architectures to develop end-to-end scalable machine learning systems and applications. They use their specialized depth and breadth of knowledge to impact the achievement of client, project or service objectives and advocate ...

Senior Project Lead Engineer

At Hitachi Energy, we’re shaping the future of power systems—making them smarter, safer, and more sustainable. As a Senior Project Lead Engineer, you’ll play a pivotal role in delivering advanced substation automation solutions that keep the grid reliable and resilient. This isn’t just another engineering ...

Lead Software Engineer, AI

## Lead Software Engineer, AIApplyremote type: Hybridlocations: Canada, Toronto, Ontariotime type: Full timeposted on: Posted 6 Days Agotime left to apply: End Date: July 15, 2026 (30+ days left to apply)job requisition id: JREQ **Lead Software Engineer, AI**Are you passionate about building AI-drive ...

Senior Project Lead Engineer

Job Description: At Hitachi Energy , we’re shaping the future of power systems—making them smarter, safer, and more sustainable. As a Senior Project Lead Engineer , you’ll play a pivotal role in delivering advanced substation automation solutions that keep the grid reliable an ...

Lead Machine Learning Engineer

In this role, you will act as a technical leader driving the design and delivery of advanced machine learning solutions for enterprise clients across multiple industries. You will shape end‑to‑end AI architectures on cloud platforms, translating complex business problems into scalable, production‑ready ML ...

Lead Building Envelope Engineer

Drive innovative engineering solutions with your expertise in building envelopes as a Lead Engineer. Utilize your extensive experience to oversee technical projects and ensure compliance with industry standards.In this Senior Engineer role, you will lead technical investigations, design projects, and forensi ...

Lead Data Solutions Engineer

Become a Lead Engineer in Data Solutions, focusing on scalability and technical leadership. Deliver hands-on expertise in data modeling and foster mentorship among teams.This senior role is dedicated to enhancing enterprise data and analytics capabilities without direct management responsibilities. You will ...

Lead Firmware Development Engineer

Become a Lead Firmware Development Engineer and spearhead embedded software solutions. Leverage your extensive experience in cybersecurity software engineering to drive impactful projects in a hybrid environment.This role focuses on leading software development strategies while ensuring high-quality product ...

Lead Backend Integration Engineer

Elevate your career as a Lead Backend Integration Engineer with Everforth Apex Systems. This hybrid role focuses on API integrations and workflow automation using AI-driven technologies.In this senior-level position, you will support an enterprise document ingestion and workflow automation platform. Your res ...

Lead Software Engineer (London)

Job Title: Lead Software Engineer – Core Cryptography (C/C++ And z/OS) Location: Remote within Canada Contract: 6 months (Possible extension) About the Role We are looking for a Lead Software Engineer to join the team owning the cryptographi ...

Lead DevOps Platform Engineer

What is the Opportunity? We are on the lookout for a talented DevOps Platform Engineer to join our forward‑thinking team responsible for the development and enhancement of our CI/CD deployment portal. This sophisticated platform is designed to facilitate the swift and secure deployment of applica ...

Founding Tech Lead Engineer

Shape the future of our company as a Founding Tech Lead Engineer. Collaborate with founders to build and scale a cutting-edge platform, impacting long-term success.You will play a pivotal role in establishing our core product and ensuring technical excellence from the ground up. The position requires a deep ...

Lead Staff Software Engineer

Lead Software Engineer/ Hands-on – Founding Toronto Team We’re helping an AI-native SaaS startup build its Toronto engineering hub , starting with a founding technical leader who’s eager to scale both systems and teams. This is a rare opportunity for a Staff Engine ...

Senior Lead Structural Engineer

We are offering an exciting opportunity for a Senior Lead Structural Engineer to join our Hamilton, NJ team. With over 138 years of experience, H&H is a trusted full-service infrastructure engineering firm. Our clients, including infrastructure owners, contractors, and colleagues, rely on us for in ...

Lead Engineer, Capital Projects

About the Opportunity We are looking to hire a Lead Engineer, Capital Projects to join our Timmins Operations team in Timmins, ON to play a key role in the Bell Creek Shaft expansion project on a full‑time basis. The schedule for this position is Monday‑Friday, 8 hrs/day or 4 on, 3 off, 10hrs/day.This ...

Mechanical Lead Engineer Structural

At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, more than 80 000 colleagues lea ...

Lead ML Platform Engineer

Job Description We’re looking for an experienced Machine Learning Platform Engineer who will bring focus and subject‑matter expertise around designing and implementing machine learning infrastructure and automation tools (MLOps and DevOps). This is a unique opportunity to grow in the world of machine learning in ...

Design Engineer / Team Lead

We are seeking an experiencedDesign Engineer / Team Lead – Material & Process (M&P)with strong program exposure to support airframe design, qualification, certification, and in‑service activities. The ideal candidate will act as acore team member , providetechnical leaders ...

Lead Software Engineer MLOps

Job Description About the role The Enterprise Data & Analytics Enablement team is looking for a highly experienced, hands‑on Lead Software Engineer to lead our MLOps team within an Analytics Platform, emphasizing AWS cloud services and machine learning operations. The successful candidate will have strong techni ...

Project Engineer Lead Electrical

The Project Engineer is responsible to provide technical support and oversight during planning, development, execution and commissioning of plant modifications. The project engineer must be knowledgeable of the technical and quality requirements and the regulatory codes and standards applicable to the discipline ...

Mechanical Integration Lead Engineer

Req ID: Your future role Take on a new challenge and apply your mechanical integration expertise in a cutting-edge field. You’ll work alongside collaborative and innovative teammates.You'll play a key role in leading the development and integration of mechanical systems for train platforms. ...

Lead Civil Track Engineer

Senior Track Engineer GHD is looking for a senior track engineer to join our team in the Greater Toronto Area. The role involves leading a technical team and managing the track design process, ensuring compliance with client requirements and industry codes.ResponsibilitiesLead track design fo ...

Lead Software Engineer MLOps

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your p ...

Lead Machine Learning Engineer

Job Overview Lead Machine Learning Engineers at Thoughtworks use modern architectures to develop end-to-end scalable machine learning systems and applications. They use their specialized depth and breadth of knowledge to impact the achievement of client, project or service objectives and advocate ...

Mechanical Integration Lead Engineer

Req ID: Your future role Take on a new challenge and apply your mechanical integration expertise in a cutting-edge field. You’ll work alongside collaborative and innovative teammates. You'll play a key role in leading the development and integration of mechanical systems for tra ...

Lead Mechanical Integration Engineer

Elevate your career as a Lead Mechanical Integration Engineer in a cutting-edge environment. Utilize your mechanical integration skills to foster collaboration and innovation across train platform systems.In this pivotal role, you will manage mechanical systems development for train platforms. Collaborating ...

Lead Software QA Engineer

Comm100 is an award-winning digital customer engagement platform, enabling organizations to better engage, convert and support their customers online. Established in 2009, Comm100 serves over 10,000 clients globally including HP, Rackspace, Government of Canada, Google, Stanford University, and many more. ...

Lead Software Engineer MLOps

Job Description About the role The Enterprise Data & Analytics Enablement team is looking for a highly experienced, hands‑on Lead Software Engineer to lead our MLOps team within an Analytics Platform, emphasizing AWS cloud services and machine learning operations. The successful candida ...

Lead Engineer, Ground Control

Ready to build a rewarding career in an industry that is growing? Who We Are We are a global mining company dedicated to safely delivering nickel, copper, cobalt, and platinum group metals essential for the world’s energy transition. Our mission is to improve lives and shape a better futu ...

Lead Solution ERP Engineer

About Traild is a high-growth SaaS company transforming how finance teams manage Accounts Payable; automating and protecting the entire process from invoice capture through approval, and payment. Every year, billions of dollars are lost to payment errors and fraud. Traild exists to solve ...

Lead Data Engineer (Mississauga)

Overview Title: Specialty Developer V Duration: 12 months Location: 79 Wellington Street West, Toronto, Ontario, Canada Candidate profile details Degree/Level of Education: Computer Science would be ideal Certifications Req ...

Senior / Lead Data Engineer

Current Need: The Senior / Lead Data Engineer will be part of McKesson Decision Intelligence team, and responsibilities include managing data exploration and analysis, requirements assessment, data source identification, exploratory research, and defining as well as maintaining data definitions, ...

Lead Transportation Engineer Projects

Drive impactful transportation projects with your expertise as a Senior Transportation Engineer. Manage planning and design across various sectors including transportation and renewable energy in a hybrid work environment.We are seeking a seasoned Transportation Engineer to lead and oversee projects from con ...

Lead CIAM Software Engineer

Step into the spotlight as a Lead CIAM Software Engineer, focusing on architecting advanced identity solutions. This engineering role prioritizes developing and maintaining customer authentication and account systems for diverse platforms.In this position, you will be hands-on in engineering CIAM capabilitie ...

Lead Full Stack Engineer

Select how often (in days) to receive an alert: Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. The Global Wealth Engineering (GWE) teamis continuously modernizing and enhancing the client and account onboardin ...

Project Engineer Area Lead

Direct message the job poster from Hydrostor Talent Acquisition & HR Strategy | Champion of Scalable, People-Driven Growth | Building the Future of Renewable Energy Location: Toronto, ON Job Type: Full‑Time – Hybrid (3+ days/week in office) Travel Requir ...

Lead Java Software Engineer

The Role Join the Citi Futures Technology team, a dynamic and fast-paced group at the heart of a growing global business. We are seeking a talented Senior Java Engineer to drive the architecture, design, and implementation of our Futures Data as a Service post-trade orders & executions appl ...

Lead Software Engineer (Toronto)

Lead Software Engineer (Toronto) Requisition ID: 50048 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: May 19, 2026 Fitch Group is currently seeking a Lead Software Engineer - Associate Director based out o ...

Mechanical Integration Lead Engineer

Mechanical Integration Lead Engineer Company: Alstom At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse custome ...

Lead Site Reliability Engineer

Movable Ink scales content personalization for marketers through data-activated content generation and AI decisioning. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and boost marketing agility. Headquartered in New York City with close to 600 employees, Movab ...

Lead Software Engineer MLOps

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your p ...

Senior .NET Full Stack Lead React & SQL Expert

A technology company in Canada is looking for a Senior Fullstack Developer to lead development efforts and build complex features. This role requires 5+ years of experience with C# and .NET technologies, including building web and Windows applications. You'll collaborate closely with leadership to create innovat ...

Machine Learning Engineer

Machine Learning Engineer | Bedford, NS Innovasea | Aquatic Solutions Built for Life Ready to join a passionate team committed to a more sustainable future? Innovasea (pronounced In-no-va-see) is at the forefront of revolutionizing aquaculture solutions and advancing the science of fish tra ...

Machine Learning Engineer

Machine Learning Engineer | Bedford, NSInnovasea | Aquatic Solutions Built for LifeReady to join a passionate team committed to a more sustainable future? Innovasea (pronounced In-no-va-see) is at the forefront of revolutionizing aquaculture solutions and advancing the science of fish trackin ...

Machine Learning Engineer

Machine Learning Engineer | Bedford, NS Innovasea | Aquatic Solutions Built for Life Ready to join a passionate team committed to a more sustainable future? Innovasea (pronounced In-no-va-see) is at the forefront of revolutionizing aquaculture solutions and advancing the science of fish tra ...

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