152,375+ Lead Fullstack Engineer Python Fastapi Jobs in Toronto, Canada — Local Employers Hiring June 2026

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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 Substation Engineer 1 Grid

Description This position will offer you the ability to directly apply your knowledge of protective relaying and controls systems for HV and EHV substations. As a Lead Substtion Engineer, you will:Lead of an engineering and design team, you will work on a wide range of substation modifications and upgr ...

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 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 ...

Fintech Lead Backend Engineer Role

Lead the way in fintech as a Backend Engineer responsible for critical payment systems. Your expertise will shape the financial APIs and infrastructure powering millions of transactions each day.This role calls for an individual with 7+ years of backend engineering experience, including at least 2 year ...

Lead iOS Engineer at Speechify

Become a Lead iOS Engineer at Speechify and make a difference in learning accessibility. This fully remote position emphasizes strategic engineering and user experience optimization.In this key role, you will significantly contribute to the success of Speechify’s iOS app, which has been recognized for ...

Lead Platform Engineer (DevOps & MLOps)

Shore is an IT and strategy consulting firm focusing on innovation in the public sector. We deliver services and tools that advance public sector organizations and the services they provide. Shore’s working environment is flexible, collaborative, and down to earth. We work hard and deliver exception ...

Lead Platform Engineer (DevOps & MLOps)

Shore is an IT and strategy consulting firm focusing on innovation in the public sector. We deliver services and tools that advance public sector organizations and the services they provide. Shore’s working environment is flexible, collaborative, and down to earth. We work hard and deliver exceptional quality, b ...

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 p ...

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 Le ...

Senior Frontend Engineer (Team Lead)

You will lead the development and evolution of our frontend platform, driving both team execution and the broader technical direction of the UI across the product. This role combines hands-on engineering with team leadership and org-wide influence.You’ll be responsible for delivering high-quality, perf ...

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 ...

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 ...

Lead Quality Assurance Engineer Role

Take charge as a Lead Quality Assurance Engineer at Rightsline, focusing on automation and quality in a fast-paced Agile environment. Your expertise will shape the future of our software solutions.The Senior QA Engineer role at Rightsline is key to delivering exceptional quality through exhaustive test ...

Sanofi Lead Machine Learning Engineer

Shape the future of healthcare as Sanofi's Lead Engineer specializing in Machine Learning Applications. Design scalable AI systems that streamline clinical product development and enhance patient outcomes.As a key member of the Data Engineering Management group, you will focus on developing robust ML s ...

Lead Engineer, Cybersecurity at NIQ

Advance your career with NIQ as a Lead Engineer specializing in Cybersecurity, with responsibilities in CIAM and IAM integration. This full-time position emphasizes the management of complex authentication systems.In this role, you will lead efforts to design, implement, and maintain CIAM solutions, ensuring ...

Lead Engineer, Cybersecurity at NIQ

Advance your career with NIQ as a Lead Engineer specializing in Cybersecurity, with responsibilities in CIAM and IAM integration. This full-time position emphasizes the management of complex authentication systems.In this role, you will lead efforts to design, implement, and maintain CIAM solutions, en ...

Lead Software Engineer at PheedLoop

Become a Lead Software Engineer at PheedLoop in Toronto, ON, where you'll build vital software for live event success. This hybrid role demands ownership and fast-paced delivery.PheedLoop is looking for a skilled engineer motivated to impact live events profoundly. You’ll collaborate with leadership an ...

Lead Security Engineer at EvenUp

Join EvenUp as a Senior Security Engineer in our hybrid Toronto office. Drive the strategy and execution of security measures that protect our AI technology and sensitive data.This role focuses on leading the charge in risk management and code security initiatives. You will develop incident response plans, c ...

Lead Security Engineer at EvenUp

Join EvenUp as a Senior Security Engineer in our hybrid Toronto office. Drive the strategy and execution of security measures that protect our AI technology and sensitive data.This role focuses on leading the charge in risk management and code security initiatives. You will develop incident response pl ...

Lead Software Engineer en Réassurance

Devenez Lead Software Engineer chez Intact, un poste de haute responsabilité mêlant ingénierie logicielle, leadership et innovation en Réassurance. Utilisez vos compétences techniques pour transformer des défis complexes en solutions.Ce rôle s'adresse aux experts en ingénierie logicielle souhaitant inf ...

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 ...

Senior Electrical Engineer & Team Lead

At Kepler Communications, we’re not just imagining the future of on-demand space connectivity - we’re leading it!Our mission is to provide real-time Internet access for space-based assets, enabling a new era of data-driven exploration and innovation. With 33 satellites launched to date, Kepler operates ...

Sanofi Lead Machine Learning Engineer

Shape the future of healthcare as Sanofi's Lead Engineer specializing in Machine Learning Applications. Design scalable AI systems that streamline clinical product development and enhance patient outcomes.As a key member of the Data Engineering Management group, you will focus on developing robust ML solutio ...

Lead Platform Engineer, TD Securities

Work Location:Toronto, Ontario, CanadaHours:37.5Line of Business:Technology SolutionsPay Details:$126,800 - $164,100 CADThis role is eligible for a discretionary variable compensation award that considers business and individual performance.TD is committed to providing fair and equitable compensation opportuniti ...

Senior Frontend Engineer (Team Lead)

What You’ll Work On:Leading a team of frontend engineers, owning delivery, execution quality, and technical direction Owning complex frontend systems and features end-to-end, from design through long-term production health Driving org-wide initiatives across design systems, application performance, and ...

Lead Software Engineer at PheedLoop

Become a Lead Software Engineer at PheedLoop in Toronto, ON, where you'll build vital software for live event success. This hybrid role demands ownership and fast-paced delivery.PheedLoop is looking for a skilled engineer motivated to impact live events profoundly. You’ll collaborate with leadership and cust ...

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 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 ...

Lead Software Engineer, Integrations (Hybrid)

A leading EdTech company in Toronto is seeking a Software Developer Team Lead. In this full-time position, you will lead engineering efforts to develop tools simplifying integrations with schools. The ideal candidate will have excellent Java programming skills and a Bachelor's degree in Computer Science. This ro ...

Senior Lead Airfield Electrical Engineer

Senior Lead Airfield Electrical Engineer Join to apply for the Senior Lead Airfield Electrical Engineer role at Stantec Your Opportunity In the capacity of Senior Lead Airfield Electrical Engineer, you will interface directly with clients and stakeholders to effective ...

Lead Frontend Engineer at GlossGenius

Take the lead at GlossGenius as a Staff Frontend Engineer, focusing on innovative web solutions. Help refine and develop the web platform that supports thriving small businesses.As a vital part of the App Platform team, you will oversee the architecture of scalable libraries and shared UI components. T ...

Lead Engineer EHV Transmission Design

Elevate your career with Sargent & Lundy as a Lead Engineer specializing in EHV transmission line design on a hybrid schedule. Take charge of high-voltage projects, fostering collaboration and mentorship.As a Lead Engineer at Sargent & Lundy, you will direct design efforts for transmission lines rangin ...

Lead QA Engineer Test Automation

Talent Acquisition Associate @Integriti | Connecting leading experts with Fortune 500 clients Contract-to-Hire | Initial Duration: 3 to 6 Months About the Role We are seeking an experienced Lead QA Engineer (Test Automation) to join our Fortune 500 client’s Team in North ...

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. ...

Lead Quality Assurance Engineer Wanted

Become a leader in quality assurance at Future Secure AI as a Lead Quality Assurance Engineer. Drive excellence in our AI products through your testing expertise and leadership skills.This role offers an exciting opportunity to influence AI software quality within a collaborative environment. You will ...

Lead DevOps Engineer (ML Platform)

Job Description What's the opportunity? We’re looking for an experienced Lead DevOps Engineer (ML Platform) who will bring focus and subject-matter expertise around designing and implementing machine learning infrastructure and automation tools (MLOps and De ...

Lead Engineer, Machine Learning Applications

At Sanofi, we’re committed to providing the next-gen healthcare that patients and customers need. It’s about harnessing data insights and leveraging AI responsibly to search deeper and solve sooner than ever before. Join our Data Engineering Management as Lead Engineer, Machine Learning Applications and yo ...

Lead Engineer, Machine Learning Applications

At Sanofi, we’re committed to providing the next-gen healthcare that patients and customers need. It’s about harnessing data insights and leveraging AI responsibly to search deeper and solve sooner than ever before. Join our Data Engineering Management as Lead Engineer, Machine Learning Applications and you can ...

Lead DevOps Engineer (ML Platform)

Job Description What's the opportunity? We’re looking for an experienced Lead DevOps Engineer (ML Platform) 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 worl ...

Software Engineer & PRM Systems Lead

A leading global technology company seeks a Software Development Engineer in Toronto to develop solutions for automating operational compliance. This role impacts workforce management and entails working with Java, implementing solutions across various business domains. Ideal candidates will have over 3 years of ...

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 ...

Senior Electrical Engineer – Electrification Lead

BBA is seeking a forward-thinking Senior Electrical Engineer to help lead our growing work in load electrification, distributed energy resources (DERs), and medium-voltage interconnections across Ontario. This role combines technical delivery, client engagement, and strategic growth—supporting electrification in ...

Senior Lead Airfield Electrical Engineer

In the capacity of Senior Lead Airfield Electrical Engineer, you will interface directly with clients and stakeholders to effectively manage project deliverables, with a focus on quality and team collaboration. You will be primarily working with our airports practice but also supporting a number of our interconn ...

Senior Electrical Engineer & Team Lead

At Kepler Communications, we’re not just imagining the future of on‑demand space connectivity – we’re leading it!Kepler’s mission is to provide real‑time Internet access for space‑based assets, enabling a new era of data‑driven exploration and innovation. We operate the first commercial optical data re ...

Lead QA Engineer Test Automation

Talent Acquisition Associate @Integriti | Connecting leading experts with Fortune 500 clients Contract-to-Hire | Initial Duration: 3 to 6 MonthsAbout the Role We are seeking an experienced Lead QA Engineer (Test Automation) to join our Fortune 500 client’s Team in North York, Toronto. This hybrid, cont ...

Lead Cloud DevSec Ops Engineer

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

Lead Signaling Installation & Correlation Engineer

A global engineering company in Toronto is seeking an Installation Engineering Design Leader. You will be responsible for signaling installation design, ensuring alignment with project specifications and client requirements. The ideal candidate should have a strong engineering background, knowledge of signaling ...

Lead Graphics Engineer at Parallelz

Become a Lead Graphics Engineer at Parallelz and revolutionize mobile app experiences. You'll develop advanced rendering layers to unlock new potentials in web applications.In this role, you are expected to assume ownership over technical initiatives contributing to our graphics solutions. Engage with ...

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 ...

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