152,380+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Lead Data Engineer SPECTRAFORCE (Toronto)

Title: Specialty Developer V Duration: 12 months Location: 79 Wellington Street West, Toronto, Ontario, Canada Candidate profile Degree/Level of Education: Computer Science would be ideal Certifications Required: no Years of Overall Experience: 5 to 10 y ...

Global Payments Lead Engineer Role

Become a pivotal part of Scotiabank as a Global Payments Lead Engineer in Toronto. Innovate and enhance payment solutions within a collaborative and dynamic technology environment.In this leadership role at Scotiabank, you’ll champion a culture focused on client relationships while driving technical excellen ...

Lead Full Stack Engineer (Toronto)

Overview Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. We are seeking a talented Full Stack Engineer to design, build, and maintain scalable applications in our Global Wealth Management Technology (GWMT) organization ...

Lead Cloud DevOps Engineer Role

Take the next step in your career as a Lead DevOps Engineer, optimizing cloud infrastructure and CI/CD pipelines using Azure at our innovative company. Leverage your expertise in scripting and automation to mentor junior engineers and drive automation initiatives.We are looking for an experienced Lead DevOps ...

Lead Senior Mechanical Engineer Ontario

Advance healthcare infrastructure as a Lead Senior Mechanical Engineer with Introba in Ontario. Your leadership in project management focuses on sustainability and innovation.In this Principal role, you will mentor a team of mechanical designers, manage project budgets, and enhance client relationships. Your ...

Lead Software Engineer Hybrid Role

Join Headstart as a Lead Software Engineer to revolutionize enterprise AI solutions. This hybrid position emphasizes client collaboration and innovative system development in a fast-growing company.As part of Headstart, you will manage client engagements, ensuring a seamless technical discovery process to de ...

Lead Software Engineer AI Focus

Elevate your career at Thomson Reuters as a Lead Software Engineer specializing in AI technologies. Enjoy a flexible hybrid work model while spearheading innovative AI solutions that enhance user experiences and operational efficiency.As a Lead Software Engineer, you will leverage over eight years of softwar ...

Lead Space Systems Engineer Role

Become a pivotal leader in systems engineering with a focus on spacecraft development. Utilize your expertise in model-based engineering and cross-functional team management.As a Lead Space Systems Engineer, you'll guide complex system architectures and execution at every stage. This senior role requires a m ...

Lead Legal Engineer at Legora

Elevate legal tech solutions with Legora as a Lead Legal Engineer. Drive complex client engagements and lead a talented team to deliver impactful results in a collaborative, technology-driven environment.In this pivotal role, you will lead high-impact legal engineering projects while managing and mentoring L ...

Toronto Lead Data Engineer Position

Take the lead as a Data Solutions Engineer in our Toronto office, hybrid work model. Engage deeply with data systems to create scalable analytics and MLOps solutions for enhanced business decisions.With 7+ years of experience, this role requires you to design and implement high-performance data systems. You ...

Lead Liquid Rocket Propulsion Engineer

Join a pioneering team as a Lead Propulsion Engineer, specializing in liquid rocket systems. Drive the design, development, and delivery processes from initial builds to successful launches.We are seeking an experienced Lead Propulsion Engineer with a focus on liquid systems. In this role, you will own the a ...

Lead Mechanical Engineer, Mining/Resources

Lead Mechanical Engineer, Mining/Resources Job Description The Opportunity Shape the World Around You – As a Lead Mechanical Engineer , you will lead the delivery of complex mechanical and piping engineering for mining and industrial projects across Canada. From early c ...

Lead Embedded Firmware Engineer Contractor

About Very Very is a fully distributed technology firm led by expert problem-solvers who create efficient, scalable solutions that move commercial, industrial, and consumer products from pilot to production in record time. We believe that real innovation happens in the grind — working sho ...

Senior Java Engineer & Team Lead

About the project A fast-growing fintech company in the payment solution. Main responsibilities Write clean, concise, modular code in an agile environment Mentor developers Provide code reviews Provide input to the DevOps team Part o ...

Lead Software Engineer at Alpaca

Shape the future of trading technology with Alpaca as a Lead Software Engineer. Collaborate with international teams to design and implement scalable financial solutions.In this leadership role, you will oversee the design and maintenance of systems that enable millions of transactions across diverse markets ...

Lead Machine Learning Engineer Unity

Transform advertising through technology as a Lead Machine Learning Engineer at Unity. Focus on financial systems, pacing algorithms, and advanced Generative AI solutions.In this pivotal role, you will leverage over 8 years of development experience to drive Unity's advertising ecosystem. Your expertise will ...

Lead Software Engineer (Informatica Cloud)

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 potenti ...

Lead AI Engineer (Azure / GenAI)

Job Title: Lead AI Engineer (Azure / GenAI) Location: Toronto, ONWork Style: Hybrid (2 days per week in-person at Toronto office preferred)Skills: Digital: Natural Language Processing (NLP), Digital: Azure Machine Learning (ML), AI & GenAI for BPS Experience Required: 8-10Job Descri ...

Lead ML Engineer MLOps/LLMOps

As a Lead ML Engineer focusing on MLOps and LLMOps at Manulife, you will be at the heart of a data-driven culture! You will serve as the product owner for Manulife's MLOps framework, standards, and guidelines, maintaining the central GitHub MLOps repository, and fostering a community around it.You’ll s ...

Lead Machine Learning Engineer, GFT

OverviewYou will be part of a high-performing GenAI and Mobile Team that is dedicated to delivering innovative, AI-driven solutions across the banking and finance technology landscape. We value talent, tenacity, meticulousness, and a results-focused mindset, and we are looking for an experienced Machine Learning ...

Senior eVTOL Aerostructures Lead Engineer

A leading aerospace company is seeking a Senior Design and Aerostructures Engineer based in Ontario to lead mechanical and structural development for advanced eVTOL aircraft. The ideal candidate will have over 5 years of aerospace experience and familiarity with full lifecycle development. This role offers compe ...

Senior Lead Engineer Transport Projects

Une société d'ingénierie publique à Toronto recherche un Lead Engineer pour conduire des projets d'infrastructure routière. Ce rôle implique la gestion des équipes de projet, la collaboration avec les parties prenantes et la supervision des consultants. Les candidats doivent posséder un permis d'ingénieur et un ...

Lead Software Engineer at Alpaca

Shape the future of trading technology with Alpaca as a Lead Software Engineer. Collaborate with international teams to design and implement scalable financial solutions.In this leadership role, you will oversee the design and maintenance of systems that enable millions of transactions across diverse markets ...

Lead Cloud DevSec Ops Engineer

Job Title: Lead Cloud DevSec Ops Engineer Key Technology: DevOps, Python, PowerShell, Rego, Azure, GCP Job Responsibilities: Ensure that all cloud solutions follow internally defined security and compliance controls. Implement the ...

Libraries Platform Lead Software Engineer

Join as a Senior Software Engineer to lead the libraries platform. Play a vital role in building secure infrastructure and automating workflows for open-source libraries at scale.You will engage in developing and maintaining a platform that ensures libraries are safe and functional for diverse ecosystems. Th ...

Lead Electrical Engineer – Airport & Infrastructure

A leading engineering company in Toronto is seeking an Electrical Engineer to lead the design and implementation of electrical systems for airport projects and other infrastructure. The ideal candidate will have a Bachelor's degree in Electrical Engineering, a P.Eng. designation, and 4+ years of relevant experie ...

Lead Frontend Engineer MTS 1

About The Team Authenticity Guarantee is an important initiative in eBay where a select category of items are authenticated by professional authenticators to increase buyer confidence, satisfaction & trust. Authentication Technology team is responsible for building software solutions for orchestr ...

Lead Engineer Carbon Health Platform

Shape the future of healthcare technology as a Lead Engineer at Carbon Health. Your expertise will focus on building resilient backend architectures that drive innovation in patient care.In this pivotal role, you will lead technical efforts, mentor fellow engineers, and champion best practices in software de ...

ADMS Lead Engineer Systems & Integrations

A leading engineering firm located in Toronto, Ontario is seeking an experienced ADMS Lead. The ideal candidate will have 10-15 years of experience in ADMS or OMS implementations, knowledge of major vendors, and strong problem-solving skills. Responsibilities include ensuring system integrity, collaborating with ...

Lead Data Engineer in Localization

Join Apertera as the Lead Data Engineer, specializing in localization and Generative AI. Drive development of data warehousing solutions that enhance multilingual translation processes.In this pivotal role, you will manage a cross-functional team focused on optimizing linguistic assets through advanced data ...

Lead Software Engineer Alameda Observability

Join Alameda as a Lead Software Engineer focused on innovating observability infrastructure for RDS. Drive improvements in distributed systems, ensuring high performance and security in cloud-native design.At Alameda, you'll lead the Observability team, tackling challenging technical problems to enhance our ...

Lead Software Engineer Observability Team

Join Amazon Development Centre Canada as a Lead Software Development Engineer, focusing on building innovative observability solutions for RDS. Tackle complex engineering challenges at scale while driving operational efficiency.This position requires a strategic technical vision along with hands-on guidance ...

Senior Lead Engineer Financial Systems

Join as a Senior Lead Engineer focusing on financial systems with expertise in C++, Python, SQL, and AWS. Utilize over 10 years of experience in Capital Markets to enhance trading workflows.We are looking for a Lead Engineer to spearhead the design and maintenance of complex financial applications. Your in-d ...

Lead Agentic AI Engineer Keyrus

Explore cutting-edge Agentic AI solutions with Keyrus as a Lead AI Engineer, thriving in a hybrid work setup. Drive your passion for technology to create impactful AI-driven projects in various industries.At Keyrus, you will own the architectural vision and execution of agentic AI systems, directly collabora ...

Lead Software Engineer Toronto, ON

Take the lead as a Software Engineer in Toronto's capital markets scene. This hybrid role focuses on enterprise applications, requiring 10+ years of experience in financial systems development and maintenance.As a Lead Software Engineer, you’ll be involved with crucial projects that merge C++, SQL, and Core ...

Lead Software Engineer for Automation

Join ScriptRunner as a Lead Software Engineer in Canada, focusing on automation within the Atlassian ecosystem. Shape your team’s success in a remote-first work culture.In this full-time role, you will lead a dynamic engineering team dedicated to developing solutions for ScriptRunner for Confluence Cloud. Yo ...

Lead Mechanical Engineer 1 Nuclear

About Sargent & Lundy At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importan ...

Lead Software Engineer at Loop

Shape the future of fintech as a Lead Software Engineer at Loop in downtown Toronto. Drive architectural decisions while developing core systems and mentoring your team daily.Join Loop's innovative team and take on a pivotal role as Staff Software Engineer. You'll lead full-stack architecture and development ...

Lead Backend Engineer at Venn

Shape the future of business banking with Venn as a Lead Backend Engineer. Help develop innovative financial services products while working in a fast-paced environment.Venn, the fastest-growing B2B fintech in Canada, is seeking an experienced Lead Backend Engineer. This role will focus on building productio ...

Lead Senior Geotechnical Engineer KCB

Make an impact in mining as a Lead Senior Geotechnical Engineer with KCB in Fredericton, N.B. Focus on tailings and water dams while mentoring junior team members.KCB is looking for a Senior Geotechnical Engineer to spearhead mining projects both locally and internationally. You will apply your expertise in ...

Lead Software Engineer, Finance System

Lead Software Engineer About the Role The Lead Software Engineer is responsible for designing, developing, and maintaining scalable, high‑quality software solutions that support enterprise financial systems and digital transformation initiatives. This role requires strong hands‑on technic ...

Hybrid Lead Structural Engineer Role

Explore the Hybrid Lead Structural Engineer opportunity at Sargent & Lundy, where your skills in structural analysis and design will shine in power transmission projects. Collaborate in a flexible environment that supports innovation.In this role, you will contribute your extensive knowledge as a struc ...

Lead AI Engineer at Tangerine

Join Tangerine as a Senior AI Engineer, where you will influence the development of innovative AI solutions and scalable systems. This role is designed for those eager to make a meaningful impact.As a vital member of the team, you will design and implement agentic AI applications while ensuring system reliab ...

Lead Software Engineer Manager Role

Become a pivotal part of Jobber as a Manager of Software Engineering in a hybrid role across Edmonton, Kitchener-Waterloo, Toronto, or Vancouver. Champion software solutions to empower small service-based businesses.In this leadership role, you'll manage the engineering efforts for two critical teams f ...

Lead Power Systems Commissioning Engineer

A leading engineering firm in Ontario seeks a highly motivated Lead Commissioning Engineer to join its team. You will lead testing and commissioning teams, ensure safety compliance, and manage technical issues in diverse electrical projects. The position requires a Bachelor's degree or equivalent, with a minimum ...

Lead Software Engineer AI Focus

Elevate your career at Thomson Reuters as a Lead Software Engineer specializing in AI technologies. Enjoy a flexible hybrid work model while spearheading innovative AI solutions that enhance user experiences and operational efficiency.As a Lead Software Engineer, you will leverage over eight years of s ...

Lead Photonics Engineer at Lightmatter

Unlock the future of AI with your expertise in photonics as a Lead Engineer at Lightmatter. This role emphasizes developing integrated laser solutions in a hybrid work environment, collaborating with top engineering minds.Lightmatter invites applications for a Photonics Technical Lead to focus on groun ...

Lead Structural Engineer Bridges & Infrastructure

A government transportation agency in Toronto seeks a Lead Engineer, Structural to oversee engineering projects and ensure safety on transportation corridors. The ideal candidate will lead teams in structural design and project delivery, requiring a Professional Engineer license with expertise in bridge and tran ...

Innovative Lead Software Engineer Opportunity

Join Sun Life as an innovative Lead Software Engineer, where you will harness your technical skills to deliver impactful software solutions. This role combines strategic leadership with hands-on development.You will lead engineering initiatives that support client security and health through technology. Your ...

Lead Engineer, Boiler House Operations

Drive operational excellence as Lead Engineer, Boiler House. Manage the safe and compliant operation of boiler systems, focusing on maintenance, training, and efficiency improvements.This position requires strong leadership and technical skills to ensure all boiler equipment operates safely and effectively. ...

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