211,454+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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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 ...

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 Cloud/Platform Engineer (DevOps)

Join our team as a Lead Cloud/Platform Engineer, focusing on AWS and advancing our DevOps capabilities. This hybrid role centers on leveraging EKS, Terraform, and AI-driven automation.As a Lead Engineer, you will take ownership of our cloud platform, specializing in AWS services with a heavy emphasis o ...

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 respo ...

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 Enterpr ...

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 trans ...

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 ...

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 DevOps Engineer at RBC

Elevate application delivery at RBC as a Lead DevOps Platform Engineer. This hybrid role focuses on enhancing developer productivity through innovative CI/CD processes and AI capabilities.In this 5-month contract position, the successful candidate will bridge development and operations within the Toron ...

Geotechnical Lead Engineer in Tunneling

Elevate your career as a Geotechnical Lead Engineer in Tunneling. Spearhead the design and execution of underground projects while mentoring a new generation of engineers.This senior position demands expertise in managing complex tunneling and excavation designs, applying sound engineering principles, and ma ...

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 ...

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 ...

(Python Based) Lead Research Engineer

Lead Research Engineer Do you love creating innovative solutions for customers? We are seeking a passionate Lead Research Engineer who will bring expertise in AI and ML and is interested in building data‑driven capabilities that drive transformation. As a member of Thomson Reuters Labs yo ...

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 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 Data & AI Platform Engineer

Shape the future of AI at Google Cloud as a Lead Platform Engineer specializing in Data and AI. Focus on architecting robust agentic platforms to drive automation and efficiency.This position requires strong expertise in building enterprise-level data and AI infrastructures with a focus on microservices and ...

Principal Backend Engineer – Lead Architect

A leading technology firm in Toronto is seeking a Principal Staff Backend Engineer to lead the design and development of scalable enterprise systems. The role involves architecting platforms, driving technical direction, and mentoring engineers to ensure high-quality outputs. Ideal candidates will have over 10 y ...

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 ...

DevSecOps & Secure SDLC Lead Engineer

Contribute to vital security measures as a Lead Engineer specializing in DevSecOps and Secure-SDLC. This role is essential for implementing security policies and enhancing software development best practices. Your work will focus on defining secure development requirements and ensuring comprehensive ...

Lead Geotechnical Engineer for Dams

Join WSP in Québec as the Lead Geotechnical Engineer for Hydropower, contributing to vital infrastructure projects across Canada. Your engineering expertise will shape future sustainability through innovative designs. This senior role involves overseeing the design and safety evaluations of retainin ...

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 ...

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 researche ...

Lead Analytics Engineer at Faire

Elevate your career as a Lead Analytics Engineer at Faire, driving AI-focused solutions for small to medium businesses. Utilize your data engineering skills to innovate product features and enhance data capabilities. In this influential role, you will lead a team of Data Scientists and Software Engi ...

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 scala ...

Lead Frontend Engineer at Meltwater

Drive the revolution of our frontend platform as a Lead Frontend Engineer at Meltwater. This role combines technical leadership with hands-on engineering for scalable user experiences. As a senior leader, you will guide a team of frontend engineers and take ownership of complex systems from design t ...

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-qual ...

Lead Integration Engineer Insurance Automation

Step into a pivotal role as an Integration Lead, specializing in insurance workflow automation for a top financial client. Leverage your engineering expertise to drive enterprise-level AI solutions. This role focuses on leading the technical execution of a large-scale automation initiative. You will ...

Lead Security Engineer at Robinhood

Become a pivotal force at Robinhood by leading as a Senior Security Engineer focused on AI Vulnerability Management. Transform security practices with innovative AI solutions and risk-based vulnerability strategies. Robinhood is on the lookout for a high-level Security Engineer to spearhead our auto ...

Lead Data Engineer (Databricks Focus)

Drive data innovation as a Lead Data Engineer with Databricks expertise at Keyrus. This role offers a chance to elevate analytics solutions in a hybrid environment from Montreal or Toronto. As a senior-level consultant, you will leverage your 8+ years of extensive data engineering experience to infl ...

Lead Databricks Data Engineer Role

Join Tata Consultancy Services as a Lead Databricks Data Engineer, where you will spearhead data transformation initiatives. This role combines Databricks expertise with finance data modeling in a collaborative hybrid setting. Your primary focus will be transitioning legacy Cloudera platforms to a c ...

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 ...

Lead Devops Platform Engineer (Toronto)

Day-to-Day Insight Global is seeking a Lead DevOps Engineer to support a distributed, high‑volume transaction processing platform within Global Payments Technology function. This role is not traditional DevOps. The focus is on operating, scaling, and stabilizing Camunda8‑based workflow platforms u ...

ADMS Project Lead Engineer Role

Join TRC Companies as an ADMS Lead Engineer, focusing on driving technical solutions for complex ADMS projects. You'll oversee implementations involving SCADA, DMS, and OMS systems, ensuring high performance and compliance. This critical position demands 10-15 years of proven experience in ADMS/OMS ...

AI Engineer Lead Data Solutions

Step into an impactful role as Lead AI Engineer at Upwork, where you'll design AI systems that enhance data accessibility and decision-making. Help transform data interactions using advanced AI methodologies. As part of the Data Platform & Services team, your expertise will drive the development of ...

AI & Emerging Tech Lead Engineer

Join CPP Investments as a Lead Engineer for AI and Emerging Technology in New York. This pivotal role blends coding with leadership to shape innovative AI solutions through hands-on development. As a Lead Engineer, you will spearhead the design and deployment of AI solutions, collaborating with team ...

Lead DevOps Engineer for Payments

Join Insight Global as a Lead DevOps Engineer to oversee a Camunda 8 workflow platform supporting high-volume payment processing. This role focuses on operating and stabilizing automated transaction systems. In this position, you will lead the DevOps support for a distributed transaction processing ...

Lead Machine Learning Engineer Toronto

Drive AI innovation at Fitch Ratings as a Lead Machine Learning Engineer in Toronto. You’ll architect cutting-edge ML systems that reshape credit analysis in a collaborative environment. Fitch Ratings seeks a visionary Lead Machine Learning Engineer to spearhead AI solutions at their Toronto hub. Th ...

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 — wor ...

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 y ...

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 capabiliti ...

Lead Medical Device Development Engineer

Shape the future of healthcare with Inertia as a Lead Medical Device Development Engineer, where you will manage key projects and client partnerships. Embrace a role that requires strategic oversight and technical proficiency in a hybrid work setting. In this senior role, your expertise in engineeri ...

Lead Generation Engineer at Forma.ai

Become a Lead Generation Engineer at Forma.ai and shape the future of sales intelligence. Focus on creating automated systems to enhance outbound marketing strategies. Forma.ai is looking for a driven Lead Generation Engineer who excels in systems architecture and automation. Your role will be instr ...

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 Electrification Engineer at Alstom

Shape the future of transportation as the Head of Electric Traction at Alstom in Toronto. Utilize your electrification expertise to manage project delivery and ensure compliance. This full-time role at Alstom calls for a senior leader in Electric Traction. You will leverage your extensive knowledge ...

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 DevOp ...

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 ...

Lead OCS Engineer at Egis

Shape the future of transit with Egis as a Lead OCS Engineer. Oversee design and delivery of rail projects while working with top professionals in a collaborative environment. Egis is seeking a Lead OCS Engineer to guide rail and transit projects across Canada. This senior role requires expertise in ...

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 ...

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 ...

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