693,287+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

Senior QA Engineer: Full Stack, ML & Cloud Test Lead

A leading healthcare solutions provider in Toronto is seeking a Senior Quality Assurance (QA) Engineer to lead testing efforts for clinical solutions. The successful candidate will ensure quality across development processes, define test automation systems, and collaborate with product management. This role requ ...

Senior Full Stack Engineer (Go/Python/React) | DevOps Lead

A leading sports betting technology firm in Toronto is seeking an experienced DevOps Engineer. You will lead infrastructure growth, design exciting features, and optimize APIs for market data. The ideal candidate has 3-5+ years in backend systems, proficiency in Go/Python, and a background in RESTful API design. ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

Lead Principal Engineer for Advanced Data Solutions and Analytics

Become a Principal Engineer driving innovation in data solutions and analytics. Your leadership will empower teams and set the technical bar for scalable, quality-focused data engineering practices.In this role, you will serve as the senior technical expert within the Enterprise Data & Analytics team. With 6 ...

Senior Geotechnical Engineer Open Pit Lead (14/14 Rotations)

A mining company in Ontario seeks a Senior Geotechnical Engineer to lead the geotechnical department at a new mine. The role involves establishing mine design criteria, developing ground control programs, and analyzing slope stability. Candidates must have a degree in mining engineering, 8+ years of experience, ...

Lead Project Engineer for Complex Engineering and Coordination Tasks

Take charge as a Project Engineer, leading comprehensive project engineering from inception to acceptance. This role focuses on project coordination, reporting, and navigating regulatory approvals seamlessly.As a Project Engineer/Leader, you will manage and control engineering stages for multiple projects. E ...

Senior Analog/RF IC Layout Engineer Lead High Speed

A leading technology firm in Toronto is looking for a Senior Analog / RF IC Layout Engineer. This role involves designing advanced mixed-signal silicon and collaborating with design teams to ensure layout quality while mentoring junior engineers. The candidate should have over 6 years of experience in high-speed ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

Team lead, Data Engineer / Chef.fe d'équipe Ingénieur.e de données

Overview //ENGLISHVERSIONWILLFOLLOW...// Àproposd'Avanquest: Avanquestestlafilialed’éditiondelogicielsdugroupeClaranova,ungroupetechnologiquefrançaisinnovant,présentdansdenombreuxpays,avecunchiffred'affairesdépassantles500millionsdedollars. ChezAvanquest,nousdévelopponsdessolu ...

Lead Civil/structural Engineer Role At Phasor Engineering Burnaby

Overview Step into a Lead Civil/Structural Engineer role with Phasor Engineering. Ideal for experienced engineers eager to manage impactful projects in Burnaby, BC or Calgary, AB. Phasor Engineering seeks a qualified candidate with at least a Bachelor’s degree in Civil Engineering and a min ...

Lead Java Platform Engineer (Payments Processing) Senior Vice President

## Lead Java Platform Engineer (Payments Processing) - Senior Vice PresidentApplyremote type: Hybridlocations: Mississauga Ontario Canadatime type: Full timeposted on: Posted Yesterdayjob requisition id: About the RoleWe are seeking an experienced, hands-on Senior Java Developer to contribute to the d ...

Lead Mechanical Design Engineer Opusing LLC Staffing Agency (Mississauga)

Responsibilities Project Leadership & Support: Spearhead and contribute to multiple sensor projects aimed at developing and qualifying temperature, flow, and pressure sensors for environmental control systems. Cross-Functional Collaboration: Collaborate with diverse teams to conduct ...

Lead Geotechnical Engineer At Wsp Northern Bc Prince George

Overview Take charge of geotechnical excellence with WSP as a Principal Engineer in Prince George, BC. Shape project strategies and development across Northern BC and the Yukon. The Principal Geotechnical Engineer role at WSP offers an prospect to lead complex geotechnical investigations and enhan ...

Co op Model Test Lead Engineer at Lockheed Martin

Enhance your engineering skills with Lockheed Martin as a Co-op Model Test Lead Engineer. Focus on creating testing frameworks and processes in a collaborative Agile team.This summer internship caters to students pursuing degrees in Computer Science, Electrical Engineering, or related fields. You'll be respo ...

Principal Design Engineer/ Mechanical Lead for Mining & Metal projects

Job DescriptionThe purpose of this position is to provide the essential administrative processes, technical knowledge, and direction as listed. This position has oversight of a specific area and acts as a representative to the department ensuring technical accuracy in project execution in all phases. T ...

Lead Java Platform Engineer (Payments Processing) Senior Vice President

About the RoleWe are seeking an experienced, hands‑on Senior Java Developer to contribute to the development of our engineering frameworks, with a strong focus on microservice architecture. This senior engineering leadership role merges hands‑on technical contribution with organizational accountability ...

Lead Java Platform Engineer (Payments Processing) Senior Vice President

About the Role We are seeking an experienced, hands‑on Senior Java Developer to contribute to the development of our engineering frameworks, with a strong focus on microservice architecture. This senior engineering leadership role merges hands‑on technical contribution with organizational accounta ...

Principal Design Engineer/ Mechanical Lead for Mining & Metal projects

Job Description The purpose of this position is to provide the essential administrative processes, technical knowledge, and direction as listed. This position has oversight of a specific area and acts as a representative to the department ensuring technical accuracy in project execution in all pha ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

Senior QA Engineer: Full Stack, ML & Cloud Test Lead

A leading healthcare solutions provider in Toronto is seeking a Senior Quality Assurance (QA) Engineer to lead testing efforts for clinical solutions. The successful candidate will ensure quality across development processes, define test automation systems, and collaborate with product management. This role requ ...

Lead Principal Engineer for Advanced Data Solutions and Analytics

Become a Principal Engineer driving innovation in data solutions and analytics. Your leadership will empower teams and set the technical bar for scalable, quality-focused data engineering practices.In this role, you will serve as the senior technical expert within the Enterprise Data & Analytics team. With 6 ...

ADMS Lead Engineer: Driving Technical Solutions and Project Success

Take charge as an ADMS Lead Engineer, steering the implementation of cutting-edge solutions. Collaborate with project teams to ensure the effective delivery of ADMS and OMS systems across diverse applications.This senior position focuses on providing guidance for technical solutions while ensuring that ...

Lead Physical Design Engineer for Next Gen Technology Development

Become a key player in advancing physical design methodologies for cutting-edge technology. Thrive in a collaborative environment, focusing on low power, high-speed designs, and successful tapeouts.This role involves leading next-generation physical design efforts and developing methodologies in advanced tec ...

AI Native Full Stack Engineer — Lead Go/React/TS

A leading CI/CD platform is looking for an experienced engineer to take ownership of building AI-native solutions. You will define the technical approach, build end-to-end features, and lead system design discussions. The ideal candidate has over 5 years of full-stack experience, strong capabilities in React, Ty ...

Lead AI Voice Engineer — Real Time Public Safety (Remote)

A mission-driven SaaS startup in Canada is seeking an Engineering Lead for their Voice AI product aimed at improving emergency response communications. The role involves software architecture, integrating advanced AI technologies, and leading a small team. Ideal candidates will have a strong background in softwa ...

Lead AI Engineer, NLQ & Agentic Systems Toronto, Ontario, Canada

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 connects businesses with on-demand access to highly skilled talent acro ...

Lead Senior Project Engineer for Advanced Naval Defense Solutions

Shape the future of naval warfare as a Senior Project Engineer. Lead diverse engineering teams, drive innovative technical solutions, and ensure critical project milestones are achieved with precision.As a Senior Project Engineer, you will manage comprehensive engineering work packages while mentoring a tale ...

Lead AI Voice Engineer — Real Time Public Safety (Remote)

A mission-driven SaaS startup in Canada is seeking an Engineering Lead for their Voice AI product aimed at improving emergency response communications. The role involves software architecture, integrating advanced AI technologies, and leading a small team. Ideal candidates will have a strong background in softwa ...

Lead Civil Engineer Focused on Dams and Hydropower Solutions

Drive excellence as a Senior Civil Engineer specializing in dams and hydraulic structures. This leadership role invites you to utilize your vast experience and shape innovative engineering outcomes in hydropower.In this strategic position, you'll take the reins of project management and technical guidance, m ...

Lead Mechanical Design Engineer Opusing LLC Staffing Agency (Mississauga)

ResponsibilitiesProject Leadership & Support: Spearhead and contribute to multiple sensor projects aimed at developing and qualifying temperature, flow, and pressure sensors for environmental control systems. Cross-Functional Collaboration: Collaborate with diverse teams to conduct trade studies, estab ...

Team lead, Data Engineer / Chef.fe d'équipe Ingénieur.e de données

Horaire : 37,5 heures/semaine – modèle hybride Description du poste Notre client, une entreprise multiculturelle et collaborative et acteur reconnu dans le développement de solutions logicielles intuitives et fiables recherche son prochain chef d'équipe - ingénieur de données qui ...

Lead AI Engineer SRE, LLM Agents, Full Stack Architecture

About the OpportunityA leading financial institution is seeking a highly experienced Lead AI Engineer to join its advanced technology division. This is a high-impact, leadership-track role at the intersection of AI engineering, Site Reliability, and enterprise-grade software architecture. The successfu ...

Lead Geotechnical Engineer At Wsp Northern Bc Prince George

OverviewTake charge of geotechnical excellence with WSP as a Principal Engineer in Prince George, BC. Shape project strategies and development across Northern BC and the Yukon. The Principal Geotechnical Engineer role at WSP offers an prospect to lead complex geotechnical investigations and enhance pro ...

Senior Substation Engineer — 25–240kV Design Lead (PTO/RRSP)

A leading engineering company in Winnipeg is seeking a Senior Substation Engineer to join their dynamic team. You will design outdoor substations for electrical facilities, manage engineering tasks, and mentor junior engineers. Requirements include a Bachelor's in Electrical Engineering, APEGA eligibility, and 6 ...

Chef ingénieur, civil et structure / Lead Civil, Structure Engineer

G Services Miniers est une compagnie multidisciplinaire qui offre des services professionnels dans le domaine de l'industrie minière, pour des projets sous terre ou de surface, dans les métaux précieux, de base ou industriels. G Services Miniers se classe parmi les plus importantes sociétés de services-consei ...

Principal Design Engineer/ Mechanical Lead for Mining & Metal projects

Fluor is recognized globally in the engineering industry and seeks professionals to help fulfill its purpose of building a better world. Job Description The purpose of this position is to provide essential administrative processes, technical knowledge, and direction as listed. This positi ...

Lead Value Engineer – Drive Value for Global SaaS (Mumbai)

A leading process intelligence company seeks a Lead Value Engineer. You will drive data-driven business transformations, working closely with customers to identify strategic priorities and deliver measurable value. The ideal candidate has extensive analytical experience, strong communication skills, and the abil ...

Lead Backend Engineer for High Performance Ad Delivery Systems

Become a Lead Backend Engineer and drive significant advancements in ad technology. Oversee a dedicated team and technically guide a robust hybrid working environment.You will take technical ownership of real-time systems, overseeing their architecture and optimization. This leadership role requires strong h ...

Lead Electrical Engineer for Innovative Mining and Industrial Projects

Elevate your career as a Lead Electrical Engineer focused on mining and industrial projects. This strategic role emphasizes electrical project design, project management, and mentorship within a supportive team environment.In this position, you will supervise electrical engineering phases for mineral process ...

Hybrid Human Factors Engineer: Nuclear HMI & V&V Lead

A staffing solutions company is seeking a Human Factors Engineer for a hybrid role in Pickering. The successful candidate will manage HFE processes, support vendor collaboration, and ensure compliance with safety and performance standards. Candidates must have a four-year engineering degree and relevant CANDU HF ...

Data Enablement Lead Engineer for Enterprise Platforms and APIs

Drive enterprise data strategy as a Lead Engineer in Data Enablement. Innovate secure and scalable backend services and tools to enhance user access and governance for data products in a hybrid setting.In this key position, you'll focus on designing and building robust data services that empower the organiza ...

ADMS Lead Engineer: Driving Technical Solutions and Project Success

Take charge as an ADMS Lead Engineer, steering the implementation of cutting-edge solutions. Collaborate with project teams to ensure the effective delivery of ADMS and OMS systems across diverse applications.This senior position focuses on providing guidance for technical solutions while ensuring that syste ...

Lead Aerospace Engineer for Cutting Edge EWIS Design Development

Join a passionate team as a Senior Aerospace Engineer focusing on Electrical Wiring Interconnect Systems (EWIS) within a hybrid work environment. Drive innovation by integrating advanced aircraft wiring systems that ensure safety and performance.This role requires a dynamic engineer with 7+ years of experien ...

Chef·fe d'équipe en ingénierie | Lead Engineer Montréal, Quebec, Canada

Chef·fe d'équipe en ingénierie | Lead Engineer Montréal, Quebec, Canada Qui nous sommes Fondée en 2005, 2K Games est une entreprise internationale de jeux vidéo, éditant des titres développés par certains des studios de développement les plus influents au monde. Nos studios, ...

Lead Physical Design Engineer for Next Gen Technology Development

Become a key player in advancing physical design methodologies for cutting-edge technology. Thrive in a collaborative environment, focusing on low power, high-speed designs, and successful tapeouts.This role involves leading next-generation physical design efforts and developing methodologies in advanced tec ...

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