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

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Lead Performance Engineer at UniSysTech

Shape enterprise application performance with UniSysTech Consulting as a Lead Performance Engineer. Drive load testing and performance strategies in a hybrid work model.UniSysTech Consulting is looking for a Lead Performance Engineer to spearhead initiatives in performance testing and optimization for ...

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 ...

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, ...

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 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 in electri ...

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 influence team ...

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 ...

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 ...

DevOps Engineer Lead at RBC

Join the RBC team as a Lead DevOps Engineer, where innovation meets application development in a hybrid setting based in Toronto. Spearhead CI/CD pipeline design while ensuring best practices are followed for robust software delivery.This 5-month contract role is ideal for a seasoned professional eager to en ...

Lead Site Reliability Engineer Access

Lead Site Reliability Engineer - Access page is loaded## Lead Site Reliability Engineer - Accesslocations: Torontotime type: Full timeposted on: Posted Yesterdayjob requisition id: R- **WHAT MAKES US, US**Join some of the most innovative thinkers in FinTech as we lead the evolution of financial technolog ...

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 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 cloud-based ...

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. This dynamic ...

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 teams to ident ...

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 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 platform s ...

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 scalable A ...

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 implementa ...

Lead Engineer for Electrical Systems

Shape the future of electrical systems in Toronto as a Lead Engineer. Utilize your extensive design and project management skills to enhance the operational efficiency of municipal infrastructure. You will work within a highly skilled team to support critical electrical infrastructure development. A ...

Environmental Engineer Lead Rail & Transit

SENER is an independent engineering & construction firm. Established in 1956, today SENER employs 4000 people globally. Our mission is to serve our clients and the society by providing advanced, accurate and effective engineering solutions that improve our clients’ businesses and facilitate society’s acces ...

Environmental Engineer Lead Rail & Transit

SENER is an independent engineering & construction firm. Established in 1956, today SENER employs 4000 people globally. Our mission is to serve our clients and the society by providing advanced, accurate and effective engineering solutions that improve our clients’ businesses and facilitate society’s acces ...

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 ...

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 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 ...

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 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 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 microser ...

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 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 w ...

Lead Performance Engineer at UniSysTech

Shape enterprise application performance with UniSysTech Consulting as a Lead Performance Engineer. Drive load testing and performance strategies in a hybrid work model. UniSysTech Consulting is looking for a Lead Performance Engineer to spearhead initiatives in performance testing and optimization ...

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 Electrical Engineer Traffic signaling

Lead Electrical Engineer (Traffic Signal) The Lead Electrical Engineer (Traffic Signal) is responsible for overseeing the design, development, and implementation of traffic signal and roadway lighting systems for complex projects. This role provides technical leadership, ensures compliance with i ...

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 ...

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 electrificat ...

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 ...

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 ...

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 ...

Front End Engineer Tech Lead

illumin is a leading technology company that provides marketers with a one‑stop solution for omnichannel digital advertising with best‑of‑category return on advertising spend. Our journey automation technology, illumin™, offers planning, buying, and real‑time intelligence from one platform. W ...

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 ...

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