680,139+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead Transmission Line Projects Engineer – Flexible Work

A leading energy solutions company is seeking a Senior Transmission Line Project Engineer to lead technical aspects of high voltage projects. This role involves managing multiple projects, ensuring client satisfaction, and providing technical leadership in transmission line design. The ideal candidate will have ...

Lead Transmission Line Projects Engineer – Flexible Work

A leading engineering firm is seeking a Senior Transmission Line Project Engineer in Markham, Ontario. The role involves leading design projects for high voltage transmission lines, managing projects within budget, and ensuring quality standards. The ideal candidate will have over 10 years of experience in trans ...

Senior Structural Engineer: Lead Design & Mentorship (Hybrid)

A world-class engineering services firm based in Vancouver is seeking a motivated Senior Structural Engineer to join its Structural Building team. The role involves leading structural design projects, engaging with clients, and providing mentorship to entry-level engineers. The ideal candidate should have a Bach ...

Lead Transmission Line Projects Engineer – Flexible Work

A leading engineering firm is looking for a Senior Transmission Line Project Engineer in Canada. This role involves leading transmission line design projects, ensuring quality and client satisfaction. Candidates should have a degree in engineering and a minimum of 10 years of relevant experience in transmission ...

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 ...

Senior Civil Engineer, Water — Lead Projects & Mentorship

An engineering consultancy firm in Burnaby is seeking a Senior Civil Engineer to lead complex projects focused on innovative water solutions. This role involves technical design, project management, and client account development. A successful candidate will demonstrate strong leadership skills, mentor junior st ...

Lead Transmission Line Projects Engineer – Flexible Work

A leading engineering firm is seeking a Senior Transmission Line Project Engineer to lead technical aspects of high voltage design projects across Canada. Candidates should possess a degree in Civil, Mechanical, or Electrical Engineering, alongside at least ten years of relevant experience in transmission line d ...

Lead Backend Engineer – Edge Platform (Ad Delivery)

Une entreprise de technologie publicitaire est à la recherche d'un Ingénieur Backend Principal pour gérer des systèmes de diffusion en temps réel tout en dirigeant une équipe d'ingénieurs. Le candidat idéal doit avoir plus de 7 ans d'expérience en ingénierie backend, solide expérience en systèmes distribués, et ...

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 ...

Staff Frontend Engineer: Lead Scalable UI (Remote)

A progressive payroll technology company in Canada is seeking a Staff Software Development Engineer – Frontend to tackle complex UI challenges and build scalable web applications. With a strong emphasis on mentorship, you'll lead the development of user-centric applications while optimizing performance and ensur ...

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 ...

Lead Mechanical Engineer: Specializing in Transformer Development

Step into a Senior Mechanical Design Engineer position focused on transformer solutions, where innovation meets collaboration. Lead significant engineering projects, optimize mechanical performance, and contribute to team dynamics remotely.In your key role, your extensive mechanical engineering background wi ...

Senior Bridge Inspection Engineer Lead Projects & Field

A leading infrastructure consultancy in Canada is looking for a Project Manager to oversee transportation structural assignments. Responsibilities include inspection and analysis of bridges and culverts, client coordination, and team leadership. Ideal candidates will possess a BASc or B.Eng. in civil/structural ...

Lead Substation Project Engineer HV Power Systems

A leading engineering firm is seeking a Project Engineer with extensive experience in high voltage substations across North America. The role involves managing project scope, schedule, and cost, collaborating with internal teams, and providing technical oversight. Candidates must have a Bachelor's degree in Elec ...

Lead Process Engineer – Direct Air Capture (DAC)

A leading environmental innovation firm is seeking a Senior Process Engineer to oversee the technical integrity of Direct Air Capture systems. The role emphasizes hands-on design and technology integration to optimize carbon removal processes. The ideal candidate should have over 10 years of experience in engine ...

Lead Traffic Engineer & PM: Transportation Master Plans

A dynamic engineering consultancy based in Canada is seeking a Lead Traffic Engineer / Project Manager to join their team. This role involves conducting complex traffic studies, overseeing junior staff, and managing client communications. The ideal candidate will have a degree in Civil Engineering and at least 1 ...

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 ...

Structural Design Lead Engineer: Carbody & Rail Systems

A leading transportation solutions company based in Saint-Bruno, Quebec, is seeking a Structural Design Mechanical Lead Engineer. The ideal candidate will have over 8 years of experience in complex assembly mechanical design and will be responsible for managing the requirements lifecycle for carbody structure de ...

Senior Electrical Engineer Water/Wastewater Lead (Hybrid)

A leading engineering firm is seeking a Lead Electrical Engineer for its Mississauga location. The successful candidate will be part of a multidisciplinary team focusing on designing electrical systems for projects in water treatment, industrial sectors, and municipal work. Responsibilities include mentoring sta ...

Senior Lead Electrical Engineer – Mining & Metals (Hybrid)

A global consulting and engineering firm is seeking a Senior Lead Electrical Engineer to join their Minerals and Metals team in Vancouver, Canada. This role involves leading technical electrical engineering for large multi-disciplinary projects across Canada and the U.S. Ideal candidates will have over 20 years ...

Lead Traffic Engineer & PM: Transportation Master Plans

A leading engineering firm in Canada is looking for a Lead Traffic Engineer / Project Manager who will lead a dynamic team and manage transportation planning projects. The ideal candidate has over 10 years of traffic engineering experience, holds a degree in Civil Engineering, and is proficient in specialized tr ...

Underground Mining Engineer Design, Optimize & Lead Projects

A leading environmental consulting firm in Vancouver is seeking a Mining Engineer to influence the design and evaluation of underground mines. The role involves mining operations lifecycle management, including planning and design, and requires strong communication skills and experience in optimization software. ...

Senior NPI Product Engineer — Lead Product Introductions

A semiconductor technology company in Burlington is seeking a NPI Product Engineer to support new product development activities. The role involves collaboration with senior engineers and cross-functional teams to ensure product quality and conformance to specifications. Ideal candidates should possess a BS in E ...

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 I&C Engineer – Water & Wastewater Systems

A leading engineering firm in Canada is looking for a Senior-level Instrumentation and Controls Engineer to join their water industry team. The ideal candidate will have at least 15 years of experience in instrumentation and controls as well as a Bachelor of Science in Engineering. Responsibilities include worki ...

Senior Mechanical Engineer – Lead Heavy Automation Design

A leading engineering firm is seeking a Senior Mechanical Engineer/Designer in Burlington, Newfoundland and Labrador. This role involves leading design and engineering projects for heavy automated equipment in the Aluminium Smelting industry. The ideal candidate will have extensive experience in design optimizat ...

Senior Electrical Power Engineer — Power Generation Lead

A leading engineering firm in Calgary seeks a Senior Electrical Power Engineer to drive renewable energy projects. Candidates should have 10+ years of experience in power generation design and hold a professional engineering license. The role involves leading teams, mentoring, and managing client relationships. ...

Senior Tailings Engineer Lead TSF Design (Remote)

A global consulting engineering firm in Montreal is seeking an experienced engineer in mine tailings management to lead complex projects and drive business development. This role requires a Master's degree, 15+ years of relevant experience, and strong leadership and communication skills in both French and Englis ...

Senior Civil Engineer, Water — Lead Projects & Mentorship

A prominent consulting firm in Civil Engineering is seeking a Senior Civil Engineer to lead complex projects in Burnaby, Canada. The role involves overseeing project management, providing technical guidance, and mentoring younger engineers. The ideal candidate will have a Bachelor's degree in Civil Engineering, ...

Senior FinTech Backend Engineer & Data Pipelines Lead

A global travel company is seeking a Staff Software Engineer (FinTech) to join their team in Bangkok, with relocation provided. The ideal candidate will have over 8 years of experience in Java, Kotlin, or similar, and strong proficiency in big data and SQL. This role involves developing robust backend systems, a ...

Lead QA Engineer: Data Warehouse & ETL Testing

A leading health information organization in Toronto seeks a Team Lead for Quality Assurance. This individual will oversee QA processes ensuring the delivery of high-quality applications. Responsibilities include leading a QA team, developing test strategies, and working on automation frameworks. Candidates shou ...

Senior Civil Engineer Lead Mining & Infrastructure Projects

A leading engineering firm in Calgary is seeking a Senior Civil Engineer to lead projects in mining, energy, and infrastructure. The role involves managing civil design activities, ensuring quality control, and mentoring junior engineers. Candidates should have at least 10 years of experience in civil engineerin ...

Senior Structural Engineer — Lead Innovative Industrial Projects

A multi-disciplinary engineering firm is seeking a Senior Structural Engineer in North Vancouver, British Columbia. The role involves leading design tasks, mentoring junior staff, and ensuring project compliance with engineering standards. Candidates should have a Bachelor's degree in Civil Engineering, a strong ...

Senior Mechanical Engineer HVAC & MEP Lead (GTA)

A leading engineering firm is seeking a Senior Mechanical Engineer to join their team in Vaughan. This role focuses on the design of HVAC and plumbing systems for various projects, requiring extensive experience and collaboration with multidisciplinary teams. Candidates should possess a degree in Mechanical Engi ...

Senior Structural Engineer Lead Innovative Infrastructure Projects

A leading engineering consulting firm in Toronto is seeking an experienced Structural Engineer to lead project teams in designing and managing structural projects. The ideal candidate will have over 10 years of design experience, be licensed as a Professional Engineer in Ontario, and possess strong communication ...

Area Lead & Project Engineer – Renewable Energy Delivery

A leading renewable energy company in Toronto is seeking a Project Engineer – Area Lead to oversee long-duration energy storage projects. The role involves collaborating with engineering teams to ensure safe and cost-effective project delivery. Ideal candidates have 7-10 years of experience in engineering and ar ...

Senior Mechanical Engineer Hybrid Lead HVAC & Plumbing

A leading engineering firm in Calgary is seeking a Senior Mechanical Engineer to lead the design of HVAC and plumbing systems for construction projects. The role includes mentoring junior staff and providing technical support. Ideal candidates should have 5-10 years of experience as a Professional Engineer and p ...

Senior Process Engineer — Lead Sustainable Projects & Innovation

A leading engineering and project management firm in Metro Vancouver seeks a Senior Process Engineer to lead teams and deliver innovative solutions within energy and industrial sectors. Candidates must possess a Bachelor's degree, professional engineer registration, and 10-15 years of relevant experience. The ro ...

Senior QA Automation Engineer: Lead Test Automation

A technology solutions firm in Toronto is looking for a Senior Automation Developer with extensive experience in automation testing. The role requires identifying automation opportunities, executing QA tests, and collaborating with development teams to ensure high-quality software delivery. Candidates should hav ...

Lead Systems Engineer – Infra, CI/CD & DR

A global technology company in Mississauga seeks a candidate with 5-8 years of experience for a role focused on system management and operational support. Key responsibilities include conducting system analysis and performing health checks, along with user interface and technical problem resolution. The compensa ...

Senior Electrical Engineer — Hybrid, Lead Controls Architect

A leading company in industrial manufacturing seeks a Senior Electrical Engineer to establish an internal electrical design capability for nitrogen generation systems. This role involves design authority and regulatory accountability for electrical and controls systems while engaging in hands-on execution. Candi ...

Senior Overhead Lines Civil Engineer Lead Design

A leading civil engineering firm in Canada seeks a Senior Overhead Transmission Lines Civil Engineer. This pivotal role involves leading project design teams, ensuring safety and quality on high-complexity infrastructure projects. The ideal candidate will have 15+ years of experience and a degree in Civil/Struct ...

Lead UI/Full Stack Engineer at Infosys

Drive critical application transitions as a Lead UI/Full Stack Engineer with Infosys in Mississauga, Ontario. Your expertise will guide the development of scalable, UI-driven enterprise solutions.In this Senior Lead role, you'll engage with business and technical partners throughout the SDLC, applying your k ...

Lead Ai Support Engineer At Tr Toronto

Drive cutting‑edge AI initiatives as a Lead AI Support Engineer at TR, focusing on high‑performance inference optimization and effective deployment strategies. Collaborate with top‑tier technology. TR is seeking a knowledgeable engineer to lead the optimization of inference models. This hybrid role ...

Senior Frontend Engineer (Full Stack, Frontend Lead)

Design, develop, and maintain scalable, secure, and accessible cloud‑based applications supporting business‑critical digital experiences. The role contributes across the full software development lifecycle , from translating business requirements into technical designs through development, t ...

Lead Engineer In Mechanical Sensor Development Mississauga

Become a Lead Engineer in Mechanical Sensor Development, driving projects focused on creative sensor solutions. Utilize your engineering expertise to meet customer needs and regulatory standards. This role involves leading sensor product development, from requirement specification to design analysis. You w ...

Senior Lead Machine Learning Engineer, Agentic AI

About the Role We’re seeking a Senior Lead Machine Learning Engineer to architect, ship, and scale the next generation of agentic intelligence across Upwork. You will lead end‑to‑end development of AI agents and the platform that powers them—from LLM training and evaluation to runtime orc ...

Process Lead Engineer For Oil & Gas Winnipeg

Join Wood as a Process Lead Engineer in Calgary, focusing on heavy oil and SAGD. This hybrid position emphasizes design leadership for well pads, pipelines, and processing facilities. As part of the Canada Projects business, you will manage the engineering design process throughout key stages includ ...

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