165,164+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Lead Engineer for Modernized Identity Management Solutions

Join a team dedicated to enhancing customer identity management through innovative engineering. Spearhead strategic CIAM integrations and frameworks that meet modern digital security and compliance standards.As a Lead Engineer, you will be responsible for guiding the engineering of customer identity solution ...

Electrical Engineer Lead for Advanced Energy Solutions

Take the lead in advancing energy solutions as an Electrical Engineer. Focus on complex electrical designs and modeling for cutting-edge solar and energy storage projects.Join a dynamic team where your electrical engineering skills will shine. This role involves creating accurate designs for various power sy ...

Senior DevSecOps Engineer: Lead Security at Scale

A global technology company based in Toronto is seeking an experienced DevSecOps Engineer to lead security initiatives across customer data and applications. The position involves developing automation scripts, mentoring junior team members, and establishing security practices. A successful candidate will have 3 ...

Senior Data Engineer – Spark, Databricks & Azure Lead

A leading consulting firm in Toronto is seeking a Big Data Specialist with over 5 years of experience in Spark Development using Pyspark or related technologies. This role involves collaborating with technology teams, implementing solutions, and providing technical support. Ideal candidates will have a backgroun ...

Senior AEM Backend Architect — Remote Lead Engineer

A leading marketing agency is seeking a Senior Back-end AEM Developer for a full-time, remote position in Canada. The role focuses on leading the architecture and development of AEM applications, with responsibilities including defining standards and collaborating with stakeholders. Candidates should have over 6 ...

Senior Hydropower Electrical Engineer – BoP Design Lead

A leading engineering services firm in Toronto is looking for an Electrical Engineer to join their Hydropower team. This role will involve leading the design for hydroelectric Balance of Plant systems, developing power distribution designs, and preparing key electrical drawings. Ideal candidates will have a degr ...

Lead Data Platform Engineer — AI Driven Analytics

A global financial services firm in Toronto seeks an experienced Lead Data Platform Engineer to manage a modern data strategy and operations. You will lead the development and orchestration of data handling processes, ensuring the integrity and accessibility of crucial datasets. Ideal candidates will have signif ...

Lead Design Systems Engineer React/TS, Hybrid

A global leader in financial services is seeking a Lead Developer for Design Systems to evolve their design system. This role involves building reusable UI components using React, maintaining cross-browser compatibility, and contributing to back-end services. The ideal candidate has over 5 years of experience in ...

Lead Engineer for Substation Protection and Telecommunications

Embrace a critical leadership role as a Lead Engineer specializing in protection and telecommunications for high voltage substations, all while enjoying a flexible hybrid schedule. Contribute to innovative engineering practices that meet client requirements and regulatory standards.In this position, you will ...

Senior QA Engineer — Automation, API & UAT Lead

A leading bank in the Americas is seeking a skilled QA Analyst in Toronto to ensure the quality of application deliverables. The role requires 5+ years of test automation experience, particularly with Selenium and API testing. You will collaborate with development teams to enhance product quality throughout the ...

Lead Analytics Engineer: Shape Data Pipelines & Strategy

A leading online car retailer in Toronto is seeking an experienced Analytics Engineer to lead the design and evolution of our analytics data stack. In this role, you will partner with various business leaders, drive best practices in data engineering, and mentor other engineers. The ideal candidate has over 6 ye ...

Lead Electrical Engineer — Traffic Signals & Roadway Lighting

A leading engineering firm in Ontario is seeking a Lead Electrical Engineer specializing in Traffic Signals. You will oversee the design and implementation of electrical systems, mentor junior staff, and ensure compliance with industry standards. Ideal candidates will possess a Bachelor's in Electrical Engineeri ...

Senior Systems Engineer: Lead Complex Infrastructure Projects

A fast-growing technology firm in Toronto is seeking a Senior Systems Engineer to ensure the delivery and maintenance of core infrastructure. The role involves designing Windows Server environments, leading infrastructure projects including migrations and cloud transitions, and optimizing systems. Candidates sho ...

Senior AI Engineer – LLM & AI Agent Lead

A leading incident management platform is seeking a Senior AI Engineer to lead the development of an AI-driven reliability assistant. The role involves developing cutting-edge features powered by AI, leveraging existing technologies. Candidates should have over 5 years of backend engineering experience and famil ...

Senior Distribution Power Engineer: Lead Line Design

A leading Canadian engineering firm in Toronto is seeking a Senior Distribution Line Engineer to design resilient power systems that support safe, reliable infrastructure. The ideal candidate will have at least 10 years of experience in distribution line design and oversee various utility projects. This role inv ...

Lead Machine Learning Engineer for AI Products

Pioneer AI-driven learning solutions as a Lead Machine Learning Engineer. Focus on delivering impactful consumer-facing products utilizing the latest AI advancements and engineering practices.This role challenges you to design sophisticated AI systems that are central to educational products. You will work w ...

Lead Machine Learning Engineer for Recommender Systems

Shape the future of machine learning as a Lead Engineer. Focus on scalable solutions designed for Recommender Systems, enhancing user interaction in a flexible work model.As a lead, you'll tackle practical challenges in machine learning, ensuring systems are secure and efficient. Your expertise will drive th ...

Lead Machine Learning Engineer for AEC Solutions

Transform Autodesk's AEC offerings as a Principal Machine Learning Engineer. Engage deeply with data to drive product innovation and enhance AI capabilities in a hybrid or remote setting.In this pivotal role, you'll dive into intricate design datasets, extract insights, and create compelling visual narrative ...

Chief Mine Engineer — Strategic Planning & Budget Lead

A leading mining company in Toronto, Ontario is seeking a Chief Mine Engineer (CME) to supervise technical staff and manage Mine Planning services at various mine sites. The ideal candidate will possess a mining engineering degree and have at least five years of relevant experience. Responsibilities include mana ...

Ontario Highway Design Engineer — Lead MTO Projects

Join a forward-thinking company dedicated to engineering a better future for our planet and its people. As a Highway Design Engineer, you will play a vital role in delivering innovative highway design solutions across Ontario. This position offers the opportunity to work on major projects while mentoring junior ...

Remote AWS Cloud Engineer – Scrum & Release Lead

A global leader in digital transformation seeks an Application Developer to oversee Scrum teams and ensure product development excellence. The ideal candidate will have over 4 years of hands-on experience in AWS Core Development, designing workflow solutions utilizing vendor products, and a strong analytical apt ...

Senior Test Automation Engineer — QA & DevOps Lead

A leading tech firm in Toronto is seeking a Senior Automation Developer to enhance their software testing processes. Candidates must have extensive experience with automated testing tools such as Katalon and Selenium, as well as strong problem-solving skills. This role requires collaboration with teams to identi ...

Senior Lead Machine Learning Engineer, Agentic AI

Senior Lead Machine Learning Engineer, Agentic AI Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which con ...

Azure Solutions Principal Engineer Lead Cloud Programs

A leading customer experience firm is seeking a Principal Software Engineer, Azure Solutions, located in Toronto, Canada. This role involves leading client engagement and project leadership for Azure solutions. Candidates should have over 5 years of experience in Agile delivery, Azure, and key technologies such ...

Airport Civil Engineer: Pavement & Design Lead (Hybrid)

A leading engineering firm in Canada is seeking an experienced civil engineer specializing in airport infrastructure projects. The successful candidate will have a minimum of 7 years' experience and provide expertise in airside civil design and construction. Responsibilities include ensuring compliance with desi ...

Licensed Plumbing Engineer Lead Design & Project Delivery

A plumbing and HVAC company is seeking a Licensed Plumbing Engineer based in Toronto to support plumbing and heating projects. The ideal candidate will design and oversee plumbing systems while ensuring compliance with building codes and safety regulations. Responsibilities include reviewing blueprints, supervis ...

Lead Full Stack Engineer at Stan AI

Become the Engineering Team Lead at Stan AI, guiding an agile team in creating AI-enhanced property management software. This role demands hands-on development and inspiring leadership within a cutting-edge environment.As the lead for your team of 2-3 engineers, you'll play a vital part in both coding and ma ...

Lead Engineer for Python and Cloud Apps

Explore the lead engineer opportunity at GlobalLogic focusing on Python and AWS cloud solutions. Influence cloud architecture and enhance user experiences through full-stack development.In this role, you will develop responsive applications with Angular or ReactJS while leveraging Python for back-end systems ...

Lead AI Inference Engineer at Thomson Reuters

Join Thomson Reuters as a Lead AI Inference Engineer in a flexible hybrid setting. Enhance AI workloads and contribute to high-performance deployments across cloud environments.This senior role involves optimizing and scaling inference models for various applications. You will work closely with cross-functio ...

Lead Machine Learning Engineer Role at RBC

Become a Lead Machine Learning Engineer with RBC, focusing on advanced AI applications within a high-performing environment. Utilize your extensive AI/ML skills to create innovative solutions.This position calls for professionals with a minimum of 5 years in software development, particularly in AI/ML and Py ...

Lead Site Reliability Engineer for Multi Cloud

Lead the charge in securing multi-cloud communications as a skilled Site Reliability Engineer. Bring your network expertise to develop and maintain critical infrastructure for service connectivity.The Fabric team is looking for an experienced engineer with over 10 years in distributed systems. This role play ...

Senior Structural Engineer – Lead Design & Mentoring (Hybrid)

A leading engineering firm is seeking a Senior Structural Engineer in Toronto. This role involves leading design teams, conducting engineering calculations, and ensuring project delivery timelines are met. Candidates should have over 8 years of structural engineering experience, a relevant degree, and P. Eng. li ...

Senior Bridges Engineer Lead Design & Projects | Hybrid

A global engineering services firm is seeking a Senior Structural Engineer (Bridges) in Toronto, Ontario. This role involves leading a structural design team, applying advanced engineering techniques, and managing various bridge engineering projects. The ideal candidate will have over 10 years of experience, a d ...

Senior Bridges Engineer Lead Design & Projects | Hybrid

A leading engineering services organization is seeking a Senior Structural Engineer (Bridges) in Ontario. This role involves leading a design team, project management, and collaborations with various disciplines. Candidates should have a degree in Civil Engineering, P.Eng registration, and over 10 years of bridg ...

Lead Transmission Line Projects Engineer – Flexible Work

A leading engineering firm in Canada is seeking a Senior Transmission Line Project Engineer to lead innovative substation projects and strengthen grid reliability. The ideal candidate has at least 10 years of experience in transmission design of High Voltage systems, and possesses strong project management and c ...

Lead Data Engineer GCP & Big Data Pipelines

A leading financial institution in Toronto seeks a Lead Data Engineer to design data solutions using Google Cloud services such as BigQuery and Dataflow, alongside Hadoop. The ideal candidate will have over two years of experience in data engineering, strong skills in Java and Python, and the ability to guide a ...

Lead GCP Data Engineer: Pipelines, BigQuery & Dataflow

A leading financial institution in Toronto seeks a Data Engineer experienced in data transformation and pipeline development using Google Cloud Platform. You will help build scalable data solutions, lead project teams, and ensure high-performance system delivery. The ideal candidate has a deep understanding of d ...

Lead Workday Engineer: HCM, Payroll & AI Enhancements

A leading finance tech company in Toronto is looking for a Staff Workday Engineer to improve Workday solutions across HCM, Payroll, and Benefits. The role involves working with teams to configure systems, build integrations, and support acquisitions. Candidates should have 6+ years of Workday experience, includi ...

Lead AI Engineer CRE SaaS & LLM Architect

A leading SaaS provider in Toronto is seeking a seasoned AI Architect to spearhead the development of advanced AI and machine learning features for a commercial real estate platform. This role requires a balance of technical leadership and hands-on development, focusing on LLM integrations and domain-specific mo ...

Senior DevOps Engineer (GCP) Cloud & Automation Lead

A global IT solutions provider is seeking a highly skilled Senior DevOps Engineer to design and operate scalable CI/CD platforms and cloud-native infrastructure. The ideal candidate will support production systems, manage CI/CD pipelines, and optimize developer workflows using tools like Kubernetes and Terraform ...

Senior Bridge Inspection Engineer Lead Projects & Field

A leading engineering consulting firm in Toronto seeks an experienced Project Manager specializing in civil and structural engineering for managing large-scale transportation projects. The ideal candidate will oversee inspections, lead design efforts, and ensure high-quality delivery of services across Canada. C ...

Lead Full Stack Engineer Specialized in AI

Drive AI innovation as a Senior Full Stack Software Engineer. Embrace Claude's tools to enhance software quality and development workflows in this leading role.You will have an essential impact in shaping both the architecture and implementation of machine learning-driven applications. By acting as a technic ...

Lead AI Engineer Remote at NTT DATA

Elevate your career as a Remote Lead AI Engineer with NTT DATA in Toronto, Ontario. Contribute to designing AI systems that empower business needs and regulatory compliance.In this role, you will utilize 3-5 years of AI experience, focusing on research, development, and alignment of AI technologies with busi ...

Lead Full Stack Engineer HR Platform Tech

Elevate your career as a Lead Full Stack Engineer at our HR Platform. Play a vital role in architectural innovation and system scalability for mission-critical applications.As a Principal Staff Engineer, you will oversee the design and reliability of our Time Platform, guiding the engineering team while ment ...

Lead AI Engineer Remote at NTT DATA

Elevate your career as a Remote Lead AI Engineer with NTT DATA in Toronto, Ontario. Contribute to designing AI systems that empower business needs and regulatory compliance.In this role, you will utilize 3-5 years of AI experience, focusing on research, development, and alignment of AI technologies with busi ...

Lead Underground Transmission Line Engineer 2 Grid

Description This position will offer you the ability to apply and expand your knowledge of underground transmission line engineering, including routing, duct bank configurations, manhole placement and electrical principles to: Design underground transmission lines for voltages up to ...

Lead Senior Back End Engineer Legal Tech

Become a Lead Senior Back End Engineer at Proof's Mobile Team and drive innovation in legal tech. This fully remote role enables you to impact thousands of law firms across the US from Canada.Joining Proof, you'll lead the architecture and optimization of backend services while ensuring security and scalabil ...

Lead Full Stack Engineer, Data Catalog Services

Work Location:Toronto, Ontario, CanadaHours:37.5Line of Business:Technology SolutionsPay Details:$125,500 - $154,000 CADThe pay details posted reflect a temporary market premium specific to this role that is reassessed annually.TD is committed to providing fair and equitable compensation opportunities to all col ...

Lead Full‑Stack Data Science & AI Engineer

A leading global financial institution is seeking a seasoned analytics professional to join their team in Toronto. This role involves translating complex data into actionable insights, leading AI/ML implementations, and collaborating with cross-functional teams to enhance business strategies. Ideal candidates wi ...

Senior GIS Engineer Client Liaison & Offshore Lead

A leading utility service provider in Toronto is looking for a skilled professional to oversee work allocation, coordinate with offshore teams, and communicate effectively with clients. The ideal candidate will possess strong GIS knowledge, excellent oral and written communication skills, and preferred experienc ...

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