153,718+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

Professional job seekers finding Canada jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Lead QA Engineer: Data Warehouse & ETL Testing

A leading health information organization in Toronto seeks a Team Lead for Quality Assurance. This individual will oversee QA processes ensuring the delivery of high-quality applications. Responsibilities include leading a QA team, developing test strategies, and working on automation frameworks. Candidates shou ...

(Canada) Lead AI Security Software Engineer (contract)

(Canada) Lead AI Security Software Engineer (Contract) Contract (3 months 23 days) Published a week ago Python AI AWS lead ai Job Description – Lead AI Security Software Engineer Are you passionate about applying large language models ...

Senior Software Engineer API, Microservices & RPA Lead

A technology solutions provider located in Toronto, Canada, is seeking a Senior Software Developer to design and implement advanced software solutions. The ideal candidate will possess extensive experience in Java, microservices, and Power Automate, with a strong ability to develop APIs and modern web applicatio ...

Senior Structural Engineer Lead Innovative Infrastructure Projects

A leading engineering consulting firm in Toronto is seeking an experienced Structural Engineer to lead project teams in designing and managing structural projects. The ideal candidate will have over 10 years of design experience, be licensed as a Professional Engineer in Ontario, and possess strong communication ...

Area Lead & Project Engineer – Renewable Energy Delivery

A leading renewable energy company in Toronto is seeking a Project Engineer – Area Lead to oversee long-duration energy storage projects. The role involves collaborating with engineering teams to ensure safe and cost-effective project delivery. Ideal candidates have 7-10 years of experience in engineering and ar ...

Senior QA Automation Engineer: Lead Test Automation

A technology solutions firm in Toronto is looking for a Senior Automation Developer with extensive experience in automation testing. The role requires identifying automation opportunities, executing QA tests, and collaborating with development teams to ensure high-quality software delivery. Candidates should hav ...

Senior Software Engineer & Tech Lead (Full Stack)

A technology firm in Toronto is seeking a Principal Software Engineer with at least 8 years of experience to lead application development. This role involves building solutions using modern technologies like React and Node.js, mentoring other developers, and collaborating across teams. The ideal candidate will h ...

Senior Full Stack Engineer & Tech Lead – SaaS

A leading software development company is seeking a talented full stack software engineer in Toronto to build scalable SaaS applications. The ideal candidate will have 2+ years of experience, expertise in Ruby on Rails and/or Java, and a strong understanding of the full software development lifecycle. This role ...

Senior Site Reliability Engineer – Cloud & Automation Lead

A leading supply chain solutions provider is seeking a Site Reliability Engineer to optimize and ensure the reliability of their cloud infrastructure across AWS and Kubernetes. This role emphasizes automation, incident management, and continuous improvement. Candidates should have at least 5 years of experience ...

Principal Civil Engineer | Lead High Impact Infrastructure

A leading engineering consultancy in Toronto is seeking a Principal Civil Engineer to lead multi-disciplinary projects. You will manage the design of highways and drainage, engage with authorities, and mentor junior engineers. The ideal candidate has strong technical expertise, proficiency in design software, an ...

AI Prompt Engineer — Lead Custom AI Automations

A leading AI automation company in Toronto is seeking an AI Prompt Engineer to bridge the gap between its automation platform and customer needs. You'll engage with customers to optimize implementations and enhance their automation processes. Ideal candidates will have strong AI prompting skills and experience i ...

Senior Security Engineer – Ethical Hacker & SIEM Lead

A leading education investment company in Toronto is looking for a Security Engineer (Ethical Hacker) to manage security infrastructure and enhance compliance with ISO27001 and SOC2 standards. The ideal candidate will have 6-10 years of InfoSec experience, and should be skilled in addressing security breaches, a ...

Principal Engineer, Apps Lead Cross Platform Streaming

A leading tech company in Toronto is seeking a Principal Engineer to lead the cross-functional client engineering team for a high-performance video streaming platform. The ideal candidate will have over 10 years of software engineering experience, with deep expertise in mobile and web development, and a passion ...

Senior Structural Project Engineer: Lead Complex Structures

A global engineering firm is seeking a Senior Structural Project Engineer to tackle complex challenges and innovate in design. The role involves applying advanced engineering concepts, mentoring junior engineers, and collaborating with clients and industry experts. Ideal candidates will have a Bachelor’s degree ...

Lead Platform Streaming Engineer | Scale Data Infrastructure

A leading tech company in Toronto is seeking a Software Engineer with a passion for distributed systems and platform engineering. You will influence the engineering roadmap, design critical systems for data-intensive use cases, and mentor senior engineers. The ideal candidate has over 5 years of experience in so ...

Lead AI Solutions Engineer at Altus Group

Elevate AI capabilities in the commercial real estate sector as the Lead AI Solutions Engineer at Altus Group. Drive innovation and engineering excellence in AI-powered solutions.As the Lead AI Solutions Engineer, reporting to the Principal Architect, you'll influence AI strategy and technical direction acro ...

Lead Machine Learning Engineer, AI & Big Data

Join a global networking powerhouse as a Lead Machine Learning Engineer specializing in AI and Big Data. Influence technological innovations while developing high-performance systems and mentoring teams.As a pivotal member of the AI Core group, you will shape the company's ML strategy and drive the developme ...

Sr. Machine Learning Product Engineer – Tech Lead

We are looking for experienced Senior Machine Learning Product Engineers (Sr. MLPE) who have worked under tight deadlines and on challenging tasks. The ideal candidate is a master of coding and system design. They also are experts in data engineering and/or machine learning. The candidate will be th ...

Lead Senior Back End Engineer Legal Tech

Become a Lead Senior Back End Engineer at Proof's Mobile Team and drive innovation in legal tech. This fully remote role enables you to impact thousands of law firms across the US from Canada.Joining Proof, you'll lead the architecture and optimization of backend services while ensuring security and scalabil ...

Lead Full Stack Engineer, Data Catalog Services

Work Location:Toronto, Ontario, CanadaHours:37.5Line of Business:Technology SolutionsPay Details:$125,500 - $154,000 CADThe pay details posted reflect a temporary market premium specific to this role that is reassessed annually.TD is committed to providing fair and equitable compensation opportunities to all col ...

Staff Red Team Engineer — Offensive Security Lead

A leading fintech company in Toronto is seeking a Staff Offensive Security Engineer to enhance its security posture through red teaming and hands-on testing. The ideal candidate will have over 8 years of experience in penetration testing and a strong understanding of threat modeling methodologies. Responsibiliti ...

Aircraft Maintenance Engineer Supervisor — Lead AME Team

A global aviation service provider is seeking an Aircraft Maintenance Engineer Supervisor to lead a team of AMEs in Toronto. Responsibilities include managing maintenance operations, ensuring compliance with safety regulations, and maintaining accurate documentation. Candidates must hold a valid Transport Canada ...

Lead MLOps Engineer Role with Azure Focus

Join RBC Borealis as a Principal MLOps Engineer, specializing in Azure infrastructure and automation for machine learning deployment. This opportunity combines innovation and expertise in driving ML solutions.You’ll work within a team that collaborates with leading researchers to refine machine learning appl ...

Lead Quality Engineer at AGM Tech Solutions

Discover a pivotal role as a Senior Quality Engineer at AGM Tech Solutions in a hybrid environment in Etobicoke, Toronto. Engage deeply with development teams, refining test strategies and driving automation initiatives.The position emphasizes extensive experience in web application testing and automation. Y ...

Lead Underground Transmission Line Engineer 2 Grid

Description This position will offer you the ability to apply and expand your knowledge of underground transmission line engineering, including routing, duct bank configurations, manhole placement and electrical principles to: Design underground transmission lines for voltages up to ...

Lead Full Stack Engineer Specialized in AI

Drive AI innovation as a Senior Full Stack Software Engineer. Embrace Claude's tools to enhance software quality and development workflows in this leading role.You will have an essential impact in shaping both the architecture and implementation of machine learning-driven applications. By acting as a technic ...

Lead AI Inference Engineer at Thomson Reuters

Join Thomson Reuters as a Lead AI Inference Engineer in a flexible hybrid setting. Enhance AI workloads and contribute to high-performance deployments across cloud environments.This senior role involves optimizing and scaling inference models for various applications. You will work closely with cross-functio ...

Lead Full Stack Engineer at Stan AI

Become the Engineering Team Lead at Stan AI, guiding an agile team in creating AI-enhanced property management software. This role demands hands-on development and inspiring leadership within a cutting-edge environment.As the lead for your team of 2-3 engineers, you'll play a vital part in both coding and ma ...

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 ...

Lead Data Engineer, Cloud Platforms at Citco

Advance your career as a Lead Data Engineer at Citco, specializing in Databricks and cloud data solutions. Help shape the future of data engineering in a collaborative environment.You will manage and lead a team of data engineers at Citco, focusing on developing and optimizing data platforms that drive busin ...

Lead Software Engineer for Search at Autodesk

Drive innovation as a Lead Software Engineer within Autodesk's Search Infrastructure team, building advanced search platforms for industry-leading applications. This role emphasizes scalability and reliability.At Autodesk, innovators of design tools, we seek a Lead Software Engineer to strengthen our Search ...

Lead Engineer for API and Infrastructure Development

Take charge as Lead Engineer, focusing on API and cloud infrastructure for search platforms. Drive the design of robust management frameworks and enhance self-service capabilities for clients.This senior role blends technical leadership with hands-on engineering. You will design the API control plane and man ...

Lead Full Stack Software Engineer at TCS

Tata Consultancy Services seeks a Lead Full Stack Software Engineer in Canada with extensive frontend and backend experience, especially in Angular, React.js, and Node.js. This senior role emphasizes cloud application development.In this TCS position, you will tackle complex challenges, developing distribute ...

Senior Frontend Engineer (Full Stack, Frontend Lead)

Design, develop, and maintain scalable, secure, and accessible cloud‑based applications supporting business‑critical digital experiences. The role contributes across the full software development lifecycle , from translating business requirements into technical designs through development, t ...

Growth Focused Lead Civil Engineer – Toronto Expansion

An engineering firm is seeking a Lead Civil Engineer for its operations in Toronto. The role involves overseeing and managing civil engineering projects from inception to completion while ensuring client satisfaction. Candidates should hold a Bachelor's degree in engineering and possess at least 5 years of relev ...

Senior GIS Engineer Client Liaison & Offshore Lead

A leading utility service provider in Toronto is looking for a skilled professional to oversee work allocation, coordinate with offshore teams, and communicate effectively with clients. The ideal candidate will possess strong GIS knowledge, excellent oral and written communication skills, and preferred experienc ...

Lead AI & Data Analytics Engineer (Full Stack)

A financial services provider in Toronto, Ontario is seeking a seasoned analytics professional to lead key data-driven projects. You will collaborate with business leaders to design scalable analytics solutions and implement AI/ML models. The ideal candidate has over 10 years of experience in data science, a str ...

Staff AI Engineer — Enterprise AI & Strategy Lead

A tech company is looking for a Staff Software Engineer (AI) in Toronto to lead innovative AI solutions and drive technical strategy. The candidate should have over 8 years in software engineering with a focus on AI/ML, including leadership experience. Responsibilities include designing enterprise-scale AI syste ...

Lead Engineer for Substation Protection and Telecommunications

Embrace a critical leadership role as a Lead Engineer specializing in protection and telecommunications for high voltage substations, all while enjoying a flexible hybrid schedule. Contribute to innovative engineering practices that meet client requirements and regulatory standards.In this position, you will ...

Electrical Engineer Lead for Advanced Energy Solutions

Take the lead in advancing energy solutions as an Electrical Engineer. Focus on complex electrical designs and modeling for cutting-edge solar and energy storage projects.Join a dynamic team where your electrical engineering skills will shine. This role involves creating accurate designs for various power sy ...

Senior Airport Civil Engineer Lead Airfield Design

A global infrastructure consulting firm in Toronto is looking for a Senior Airport Civil Engineer with over 10 years of experience in civil engineering, particularly in airport infrastructure projects. In this role, you'll lead complex design projects while fostering client relationships and supporting business ...

Dynamic Lead Civil Engineer – Shape Toronto's Infrastructure

Embrace the role of Lead Civil Engineer and make a lasting impact on Toronto's infrastructure projects. This is your opportunity to lead diverse projects while driving quality and client satisfaction.You will be responsible for the development and execution of key civil engineering projects. Ideal candidates ...

Lead Mechanical Engineer for Healthcare at Arup

Become the Lead Mechanical Engineer at Arup in Toronto, managing healthcare and lab projects. Ensure exceptional quality and design standards while leading multidisciplinary teams.This senior role invites you to utilize 15 years of experience in HVAC systems to mentor our engineers and enhance project delive ...

Lead Data Engineer with Hybrid Work Model

Join Publicis Canada as a Senior Data Engineer and take charge of developing sophisticated data pipelines. This hybrid role allows you to work partly remotely while making significant contributions to our data initiatives.You will have 6+ years of data engineering experience and be adept in technologies like ...

Lead Full‑Stack Data Science & AI Engineer

A leading global financial institution is seeking a seasoned analytics professional to join their team in Toronto. This role involves translating complex data into actionable insights, leading AI/ML implementations, and collaborating with cross-functional teams to enhance business strategies. Ideal candidates wi ...

Senior Water Resources Engineer Hydrology & Hydraulics Lead

A leading environmental consulting firm in Ontario seeks a Senior Water Resources Engineer. Responsibilities include managing complex water resources projects, collaborating with multidisciplinary teams, and overseeing project budgets and client engagements. The ideal candidate will have a graduate degree, minim ...

Senior Water Resources Engineer — Lead Hydrology & Modeling

A leading engineering firm in Toronto is seeking a Senior Water Resources Engineer to join their technical team. The ideal candidate will lead various projects involving hydrologic and hydraulic components, manage project budgets, and prepare technical reports. Candidates must have a graduate degree in Engineeri ...

Lead Mechanical Engineer Denver, Calgary, Toronto, Vancouver

Ausenco is a fast-growing company with big ideas. We redefine what’s possible in some of the world’s most complex projects and toughest environments. Delivering innovative, value-add consulting, project delivery, asset operations and maintenance solutions is what we do. From 26 offices in 15 countries, wit ...

Lead Robotic Process Automation & Agentic AI Engineer

Your Role in Supporting Our Members: As the Lead Robotic Process Automation (RPA) & Agentic AI Engineer, you will design, develop, and lead the implementation of intelligent automation solutions using RPA platforms and AI technologies. This role focuses on building scalable automations that integ ...

Lead EHV Transmission Line Engineer 2 Grid

Description Responsibilities may include the following: Lead the design of transmission lines in the 69kV to 765kV range. Serve as a subject matter specialist in 500kV and 765kV transmission lines Mentor and train less experienced design team members. C ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Lead Fullstack Engineer Python Fastapi Jobs in Toronto Job Search Guide, Trends and Insights