542,221+ Lead Fullstack Engineer Python Fastapi Jobs in Canada — Top Companies Hiring June 2026

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Lead Engineer

Company Description Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specializing in water, energy, and waste management, Veolia Group designs and implements innovative solutions for decarbonization, depollution, and re ...

Engineer Lead

CAP Engineering is a multidisciplinary engineering firm delivering practical, high-quality solutions across Western and Northern Canada. With a strong presence in the Yukon, our Whitehorse office supports civil infrastructure, energy, and northern development projects with a focus on constructability, adaptabili ...

Lead Engineer

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Qualifications good years ...

Lead Engineer

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in.Qualificationsgood years of overall ...

Lead Engineer

Company Description Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specializing in water, energy, and waste management, Veolia Group designs and implements innovative solutions for decarbonization, depollution, and resource regenerat ...

Lead Engineer

RequirementsProven experience delivering and operating complex, large-scale systems (distributed/high-availability environments), with strong fundamentals and the ability to ramp quickly across adjacent technologies (we’re tech-stack agnostic)You bring a growth mindset and a passion for proac ...

Lead Engineer

Ulteig is seeking a qualified candidate for a Renewables Lead Electrical Engineer to join our team. This role will play a key role in driving the growth and successful delivery of Ulteig’s electrical engineering offerings within the renewable energy sector. The successful candidate will have prior experien ...

Lead Engineer

Ulteig is seeking a qualified candidate for a Renewables Lead Electrical Engineer to join our team. This role will play a key role in driving the growth and successful delivery of Ulteig’s electrical engineering offerings within the renewable energy sector. The successful candidate will have prior experien ...

Lead Engineer

Ulteig is seeking a qualified candidate for a Renewables Lead Electrical Engineer to join our team. This role will play a key role in driving the growth and successful delivery of Ulteig’s electrical engineering offerings within the renewable energy sector. The successful candidate will have prior experience in ...

Lead Engineer

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Qualifications good years ...

Lead Engineer

Company Description Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specializing in water, energy, and waste management, Veolia Group designs and implements innovative solutions for decarbonization, depollution, and re ...

Lead Engineer

Closing date: June 1, 2026 - 23:59, Pacific Time Selection process number 26-DND-EA-RCN- Salary $117,820 to $137,411 Level EN-ENG-04 Who can apply Persons residing in Canada, and Canadian citizens and permanent residents abroad. ...

Lead Engineer

Requirements Proven experience delivering and operating complex, large-scale systems (distributed/high-availability environments), with strong fundamentals and the ability to ramp quickly across adjacent technologies (we’re tech-stack agnostic) You bring a growth mindset and a pas ...

Remote Engineering Manager at Overstory

Join Overstory as a Remote Engineering Manager to lead Full Stack and Data teams dedicated to climate solutions. Leverage your expertise in data architecture and team management to drive success.In this pivotal role, you will oversee cross-functional teams at Overstory, focusing on delivering advanced ML-pow ...

SR AI Developer/Full Stack

Sales Superstar AI Full Time Toronto, ON Hybrid $115,000 - $130,000 CAD per year The Senior AI Developer/Full Stack is a hands‑on role within the SalesSuperStar AI team, focused on building the core systems that power our AI‑driven Custom Agent and integrated Light CRM platform. This ...

We're Hiring a Software Engineer in Toronto

We're Hiring a Software Engineer in Toronto Job Title: Software Engineer (full Stack -AWS/PostgreSQL/Python/FastAPI/TypeScript/React) Candidates must be legally authorized to work in Canada About ClearBlue: ClearBlue Markets is a global leader in carbon markets, helpin ...

Developer Relations Engineer

Join to apply for the Developer Relations Engineer role at Canonical 2 days ago Be among the first 25 applicants Join to apply for the Developer Relations Engineer role at Canonical As the publisher of Ubuntu we serve ...

Developer Relations Engineer

Join to apply for the Developer Relations Engineer role at Canonical 2 days ago Be among the first 25 applicants Join to apply for the Developer Relations Engineer role at Canonical Get AI-powered advice on this job a ...

Senior Python Developer

Senior Python Developer (CREQ ) 5+ years of hands on experience building an enterprise scale highly componentized application using Python, FastAPI. Must have strong Python programming concepts and hands on experience in application development. Experience working with CI/CD pipelines, Kubernetes ...

Remote/Hybrid Full Stack Developer Position

Fulfillment IQ seeks a Full Stack Python Developer in Toronto, ON, offering a blend of remote and hybrid work models. This role combines technology and innovation to enhance supply chain solutions, requiring strong Python and API development skills.As a full-time developer, you will report to the Head ...

Senior Staff Developer for Benevity

Drive Benevity's technology initiatives as a Senior Staff Developer with a focus on full stack development and cloud infrastructure. Enjoy flexibility in a hybrid workplace contributing to impactful solutions.As a Senior Staff Developer at Benevity, you will be instrumental in executing the organizatio ...

Remote Engineering Manager at Overstory

Join Overstory as a Remote Engineering Manager to lead Full Stack and Data teams dedicated to climate solutions. Leverage your expertise in data architecture and team management to drive success.In this pivotal role, you will oversee cross-functional teams at Overstory, focusing on delivering advanced ML-pow ...

Staff Software Engineer

About Saris AI We're a San Francisco & Montreal based applied AI startup that's building the future of work in the banking industry. We are tackling a $100 billion/yr problem, doubling every quarter and pushing the boundaries of what’s possible with multi-turn AI agentic systems O ...

Senior Machine Learning Engineer

Description Senior Machine Learning Engineer at a glance...Location: Toronto, ON (Hybrid - 3 days/week)We are seeking a Senior Machine Learning Engineer to design, build, and deploy scalable machine learning solutions that drive business impact across a variety of use ...

Senior Machine Learning Engineer

Senior Machine Learning Engineer Location: Toronto, ON (Hybrid - 3 days/week) We are seeking a Senior Machine Learning Engineer to design, build, and deploy scalable machine learning solutions that drive business impact across a variety of use cases. You will work closely with dat ...

Machine Learning Engineer Express Scripts Canada

**Job Title:** Machine Learning Engineer **Location:** Mississauga**Employment Type:** Full-time **Reason for Vacancy:** Replacement **Work Arrangement:** Hybrid**Department Name:** Application Delivery Department **Pay Typed:** Salaried **Pay Range:* ...

Innovative Fullstack Engineer to Drive Data and AI Solutions

Shape the future of data and AI as a Fullstack Software Engineer. Collaborate with product management and your team to create intuitive, customer-focused products in a dynamic work environment.This role seeks experienced engineers focused on user experience and full product development. You’ll engage in exci ...

Innovative Fullstack Engineer to Drive Data and AI Solutions

Shape the future of data and AI as a Fullstack Software Engineer. Collaborate with product management and your team to create intuitive, customer-focused products in a dynamic work environment.This role seeks experienced engineers focused on user experience and full product development. You’ll engage i ...

Member of Technical Staff Backend Software Engineer

Learning fast is an engineer’s superpower in the AI era.About Us: Viggle AI is a startup backed by top-tier investors such as a16z and TSFV. At the forefront of the GenAI revolution, we specialize in controllable video generation for content creators, offering advanced technology that empowers creato ...

Full Stack Software Developer Saskatoon

Create impactful UI interfaces in video streaming technology as a Full-Stack Software Developer in Saskatoon. Leverage Python and modern web frameworks to enhance multimedia streaming applications.Our client is seeking a Software Developer with significant experience in full-stack development, particul ...

Sr SW Engineer, AI

Senior Software Engineer, AI PlatformYour opportunity Our client is a pioneering, seed-stage startup on a mission to revolutionize the delivery of pharmacy care worldwide. They build a category-creating product suite of proprietary LLMs, AI agents and cloud tools that empower pharmacists to focus entir ...

Engineering Manager, Product Engineering

Role Overview As a Engineering Manager, Product at Harvey, you’ll play a pivotal role in shaping the foundation of our product platform while directly building user-facing features for some of the world’s leading law firms and enterprise customers. This team owns and operates the platform layer t ...

Engineering Manager, Product Engineering

Role Overview As a Engineering Manager, Product at Harvey, you’ll play a pivotal role in shaping the foundation of our product platform while directly building user-facing features for some of the world’s leading law firms and enterprise customers. This team owns and operates the platform layer t ...

Engineering Manager, Product Engineering

Role Overview As a Engineering Manager, Product at Harvey, you’ll play a pivotal role in shaping the foundation of our product platform while directly building user-facing features for some of the world’s leading law firms and enterprise customers. This team owns and operates the platform layer t ...

AI Product Engineer

Position: AI Platform Engineer (Full Stack)Location: Hybrid, 3x per week in office (Oakville)Structure: FTE, PermanentPay: $170,000-$200,000 + Bonus + Benefits--We have a great new opportunity to support one of our Financial S ...

AI Data Engineer: Python, ML, Cloud & Microservices

A leading recruitment agency in Canada is looking for a skilled developer with strong proficiency in Python and experience with backend frameworks such as FastAPI, Flask, and Django. The ideal candidate will also have experience with machine learning concepts, deployment, and cloud services like GCP. Knowledge o ...

Senior Software Engineer

H2 Analytics is redefining how professionals train for high-stakes environments through advanced simulation and data-driven tools. We build EASE (Exercise Architect Suite), a tool used by military, intelligence, law enforcement, and emergency response organizations to develop mission-critical training exercises. ...

Founding AI Engineer / CTO

About the job Founding AI Engineer / CTO We don't want a VP. We seek a true technical co-founder —the 0-1 architect who will build the AI core and own it end-to-end. You'll trade corporate predictability for foundational upside: substantial founder equity, a founder stipend, and 100% technical ...

Founding AI Engineer / CTO

About the job Founding AI Engineer / CTO We don't want a VP. We seek a true technical co-founder —the 0-1 architect who will build the AI core and own it end-to-end. You'll trade corporate predictability for foundational upside: substantial founder equity, a founder stipend, and 100% technical ...

Founding AI Engineer / CTO

About the job Founding AI Engineer / CTO We don't want a VP. We seek a true technical co-founder —the 0-1 architect who will build the AI core and own it end-to-end. You'll trade corporate predictability for foundational upside: substantial founder equity, a founder stipend, and 100% technical ...

Optical Engineer with Python Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Senior Backend Engineer Laravel/PHP + Python (Remote)

A leading real money gaming company in Canada is seeking a highly skilled Senior Backend Engineer to contribute to the development of their Laravel-based betting platform. This position focuses on backend development, requiring strong PHP skills and experience with Python. Ideal candidates will have at least 7 y ...

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