165,165+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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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 Azure Reliability Engineer Boston

Join Manulife/John Hancock as a Lead Reliability Engineer, spearheading Azure Kubernetes Services and optimizing platform efficiencies. This role is hybrid, with three days in-office and two remote.At Manulife / John Hancock, the Lead Reliability Engineer operates at the director level as an individual contr ...

Lead QA Engineer at Verifast

Drive quality assurance excellence at Verifast as a Lead QA Engineer. This role emphasizes hands-on testing, automated frameworks, and mentoring within a fintech environment.As a Lead QA Engineer at Verifast, you will own both technical and business quality aspects. Your mission involves developing automated ...

Lead Data Engineer at Spellbook

Spearhead data initiatives at Spellbook as a Senior Data Engineer, specializing in AI-driven legal technologies. Your expertise will help streamline contract workflows through advanced data solutions.In this position, you will be pivotal in developing scalable infrastructure that supports analytics and produ ...

Lead Full Stack Development Engineer

Lead Full Stack Development Engineer We are seeking a Lead Full Stack Development Engineer to join our Technology & Operations team. This role is ideal for a seasoned engineer who thrives in a collaborative, high-performance environment and is passionate about building scalable, secure, and innovative solutions ...

Lead Design Engineer Transportation & Energy

A leading infrastructure engineering firm in Toronto is seeking a mid-level Design Engineering Manager for the Union Station Expansion Project. The role involves leading design engineers, managing project schedules and budgets, and interfacing with construction teams. Ideal candidates will have a bachelor's degr ...

Water Building Mechanical Lead Engineer

A leading engineering firm located in Ontario seeks a Team Lead - Building Mechanical Engineers specializing in HVAC and plumbing systems. This role involves managing a team, ensuring technical excellence in project delivery, and requires strong leadership and design skills. Ideal candidates will have a Bachelor ...

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 Java Engineer & Team Lead

About the project A fast-growing fintech company in the payment solution.Main responsibilitiesWrite clean, concise, modular code in an agile environmentMentor developersProvide code reviewsProvide input to the DevOps teamPart of the design and architect ...

Senior Lead Airfield Electrical Engineer

Senior Lead Airfield Electrical EngineerJoin to apply for theSenior Lead Airfield Electrical Engineerrole atStantec Your Opportunity In the capacity of Senior Lead Airfield Electrical Engineer, you will interface directly with clients and stakeholders to effectively manage ...

Lead Electrical Engineer at RVA

Elevate your career as a Lead Electrical Engineer with RVA, working on innovative projects in water distribution systems and building electrical infrastructure. Utilize your expertise in planning, design, and optimization.RVA is searching for a highly skilled Lead Electrical Engineer with over 15 years of ex ...

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 ...

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, applicat ...

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 ...

Lead Requirements Engineer Hybrid Role

Join Matchtech as a Lead Requirements Engineer, focusing on high-profile railway projects in Toronto with a hybrid work model. Utilize your extensive knowledge in requirements management and compliance.In this pivotal role at Matchtech, you'll oversee requirements engineering for significant rail transit ini ...

Lead Android Engineer at eBay

Become a key player in shaping eBay Live as a Lead Android Engineer. This role offers the chance to innovate within the live shopping platform and influence the future of ecommerce.eBay is searching for a collaborative and passionate Android Software Engineer to join their dynamic team. You'll be responsible ...

Lead Data Engineer at Xanadu

Shape the future of quantum computing as a Lead Data Engineer at Xanadu. Transform data pipelines into a cohesive platform supporting innovative research and business analytics.In this hands-on technical role, you will develop Xanadu’s data infrastructure while collaborating with hardware researchers and dat ...

Lead Analytics Engineer at Clutch

Become a pivotal part of Clutch as a Lead Analytics Engineer, focusing on developing and maintaining advanced analytics stacks with dbt and cloud technologies. Drive data integrity while mentoring engineering talent.Clutch is seeking a seasoned Lead Analytics Engineer to elevate its analytics capabilities. T ...

Lead Quality Engineer at Manulife

Enhance software quality at Manulife as a Lead Quality Engineer focused on automated testing in a hybrid work environment. Create impactful test solutions and improve product quality with our diverse teams.In this hybrid role, you will lead quality engineering efforts at Manulife by designing scalable automa ...

Lead AI Forward Deployed Engineer

Join Accenture as a Lead AI Forward Deployed Engineer, where you will specialize in designing cutting-edge, agent-powered systems for enterprise environments. Bring your 7+ years of experience in cloud-native technologies to life.As a leader in this role, you will engage clients to transform AI ideas i ...

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 Municipal Engineer in Toronto

Step into a vital role as a Lead Senior Municipal Engineer with Egis in Toronto, Ontario. Your strong background in roadway design and municipal projects will guide innovative infrastructure development.In this senior engineering position, you will oversee municipal and transportation projects, functio ...

Lead Site Reliability Engineer Position

Shape the future of cloud reliability at Moogsoft as a Lead Site Reliability Engineer. Your expertise in SRE and hands-on experience with automation tools will drive transformative solutions.In this role, you'll lead design efforts, manage SRE assets, and publish implementation plans that uphold high standar ...

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 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 Site Reliability Engineer Position

Shape the future of cloud reliability at Moogsoft as a Lead Site Reliability Engineer. Your expertise in SRE and hands-on experience with automation tools will drive transformative solutions.In this role, you'll lead design efforts, manage SRE assets, and publish implementation plans that uphold high s ...

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 ...

Lead Data Engineer and Architect

As a Lead Data Engineer, you will oversee and mentor a team in building data pipelines and optimizing workflows for predictive modeling.In this leadership position, your role will involve directing a team and ensuring the implementation of effective data strategies. You will have hands-on responsibilities wi ...

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 ...

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 t ...

Lead AI Engineer at Tangerine

Lead innovative AI initiatives at Tangerine as a Principal AI Engineer. Focus on natural language interfaces and build secure AI platforms to meet business needs.As a senior Principal AI Engineer, you will be at the forefront of AI development and architecture. Your responsibilities will include designing AI ...

Lead Electrical Engineer at Kepler

Elevate your career with Kepler Communications as a Lead Electrical Engineer. This role combines leadership with cutting-edge hardware design for space connectivity.Kepler is seeking a Senior Electrical Engineer to lead a small team and drive innovative hardware solutions for our space technology. In this hi ...

Lead Snowflake Data Engineer Role

Drive innovative data solutions at the forefront of technology as a Lead Snowflake Data Engineer. This pivotal role focuses on building and optimizing Snowflake architectures and pipelines.In this crucial engineering position, you will take charge of designing and implementing Snowflake-based data architectu ...

Lead DevOps Engineer Toronto Hybrid

Join as a Lead Development and Operations Engineer with a hybrid working arrangement in Toronto, ON. Your expert DevOps skills will be crucial in managing cloud infrastructures and operational workflows.With a focus on a full-time, permanent role, this position requires at least five years of DevOps experien ...

Lead Test Engineer Cloud Solutions

Elevate customer experiences as a Lead Test Engineer at Genesys in Canada. Drive testing strategies and collaborate with cross-functional teams to ensure top-notch software quality.At Genesys, a leader in AI-powered cloud solutions, you will play a pivotal role in the Batch Analytics Team. This full-time pos ...

Data Engineer Lead at Morningstar

Drive the future of data engineering as a Principal Software Engineer at Morningstar in Toronto. Lead the migration to a cloud-native platform while architecting scalable data pipelines.This senior role requires a technical thought leader to oversee data platform architecture. You will partner with product o ...

Senior IT Engineer (Onsite Lead)

About Zip Zip is the AI platform for enterprise procurement — built for humans and agents working together. By orchestrating procurement across teams, tools, and suppliers with the help of AI agents, companies can secure the resources they need to innovate faster than ever before. T ...

Electrical Systems Lead Engineer Role

Join HDR's team in Calgary as a Senior Electrical Engineer, leading electrical systems design and ensuring project success through collaboration and compliance with standards.This role calls for a detailed-oriented Senior Electrical Engineer who can navigate the complexities of electrical design for various ...

Lead Data Solutions Engineer Affinity

Join Affinity as a Lead Data Solutions Engineer in a hybrid role based in Toronto or Vancouver. Excel in technical leadership, data modeling, and hands-on coding for a robust data environment.As a Principal Engineer at Affinity, you will influence data quality and analytics solutions within the Enterprise Da ...

Lead Frontend Engineer at Meltwater

Join Meltwater as a Lead Frontend Engineer to shape our UI architecture and drive technical direction. Lead a team to enhance product performance and delivery while maintaining code quality.In this senior role, you will manage a team of frontend engineers and oversee the execution of complex systems from des ...

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 ...

Lead Sales Engineer at Feroot

Elevate your career as a Lead Sales Engineer at Feroot in downtown Toronto. You'll provide pre-sales technical expertise and product demos to enhance client security.In this full-time role, you will collaborate with account executives to craft successful sales strategies. Your technical knowledge will assist ...

Lead DevOps Engineer Cloud Architecture

Join a leading software platform as a Lead DevOps Engineer, focusing on cloud architecture and secure customer solutions. Engage in designing AWS and Kubernetes-based environments for the financial sector.This senior position blends hands-on engineering with impactful solution delivery. You'll design scalabl ...

Genesys Test Engineer Lead Role

Join Genesys as a Lead Test Engineer focusing on Batch Analytics to shape the future of cloud services. Your expertise will enhance product quality and automation.This role offers the opportunity to lead testing for innovative features at Genesys. Collaborate with Product Management, Development, and UX team ...

Lead AI Engineer at SuiteSpot

Enhance resident experience as SuiteSpot's Lead AI Engineer focusing on building and scaling SAM. Utilize your full-stack engineering skills in a fast-moving environment.This role demands significant experience in software engineering with a focus on AI technologies. As you enhance SAM’s capabilities, your e ...

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    Lead Software Engineer Pythonreact Jobs in Toronto Job Search Guide, Trends and Insights