840,261+ Lead Software Engineer Pythonreact Jobs in Canada — Top Companies Hiring June 2026

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Lead Software Engineer at Citi Tech

Transform the landscape of global finance as a Lead Software Engineer with Citi's Tech team. Drive the design and implementation of automated platforms that set the standard in the industry.You will play a vital role within Markets Operations Technology focusing on margin and collateral improvements. This po ...

Lead Software Engineer for Billing Systems

Support Asana’s growth as a Lead Software Engineer focusing on billing systems in Vancouver. Utilize Scala and modern architecture for building payment solutions.As a key member of the Payment Platform Team, you will lead initiatives enhancing Asana’s billing, subscription, and payment infrastructure. This r ...

Lead Software Engineer for Ingestion & Indexing

Thomson Reuters is looking for a Staff Software Engineer to lead the ingestion and indexing operations within our search platform. Play a vital role in managing high-volume document processing while ensuring performance and reliability.As a technical anchor, you'll focus on designing and implementing systems ...

Lead Full Stack Software Engineer Aversan

Advance your career at Aversan Inc. as a Senior Full Stack Software Engineer, where you will be instrumental in developing critical aerospace software. This hybrid role combines technical leadership with innovative design efforts.As a vital team member, you will engage in the design and validation of softwar ...

Lead Software Engineer OSI Maritime Systems

Elevate your career at OSI Maritime Systems as a Lead Software Engineer. Manage a team of engineers delivering cutting-edge software solutions for marine navigation in a collaborative setting.This role requires you to lead a small engineering team while ensuring the production of high-quality software produc ...

Java Software Engineer – Lead Consultant Role

Pursue a rewarding career as a Java Software Engineer at Genpact, focusing on software delivery with a clear emphasis on Java technologies in a remote work setting. This role is designed for skilled engineers looking to lead.As a Lead Consultant, your job will involve coding, testing, and providing high-qual ...

Lead Software Engineer in Secure SaaS

Elevate your career as a Senior Software Engineer focused on developing secure SaaS platforms. Use your expertise in Rust and AWS to drive innovation in data security solutions.You'll play a crucial role in building and maintaining production systems with a focus on secure AI technologies. With over 7 years ...

Lead Software Engineer with AI Expertise

Lead software engineering initiatives with a focus on AI technologies. Oversee feature delivery, platform maintenance, and engage in collaborative problem-solving with stakeholders to enhance user experiences.In this influential role, you will conduct technical research to support new services that align wit ...

Banyan Software Forward Deployed Engineer Lead

Join Banyan Software as a Forward Deployed Engineer Lead, working remotely to drive application modernization and define best practices. Engage in deep technical leadership and assist teams in adopting cloud-native solutions.This critical role demands a full-stack software engineer with advanced skills in cl ...

Lead Software Engineer for Enterprise Languages

Join a cutting-edge team seeking a Lead Software Engineer with expertise in Enterprise Languages. Leverage your skills in systems, build toolchains, and production web scripting.We are searching for an experienced Software Engineer responsible for completing coding tasks within various domains, including C, ...

Lead Software Engineer | Upto $70/hr

We’re looking for experienced Software Engineers to complete Coding tasks in a variety of Enterprise Languages. Target Domains Systems + Build Toolchains : C, Rust Enterprise JVM / Build Ecosystems : C#, Kotlin, Scala, Swift Production Web + Ops Scrip ...

Lead Software Engineer in Data Delivery

Unlock the power of marketing data at StackAdapt as a Senior Staff Software Engineer. Drive technical leadership in data delivery to enhance marketing analytics and customer insights.StackAdapt is seeking a Senior Staff Software Engineer to lead strategic initiatives in the Data Delivery department. This rol ...

Lead Software Engineer at Priority Technology

Shape the future of financial tech as a Lead Software Engineer with Priority Technology Holdings, Inc. in a role focused on complex systems design, scalability, and AI-driven solutions.As a Staff Software Engineer, you will spearhead system design practices across multiple teams in a collaborative environmen ...

Lead Software QA Engineer at Everflow

Drive quality assurance initiatives as a Lead Software QA Engineer at Everflow. Oversee the automation roadmap while working on our innovative SaaS Partner Marketing platform.In this Senior SDET position, your expertise will guide the development of a robust quality assurance framework. You will be an essent ...

Lead Software Engineer with G Adventures

Explore a new opportunity as a Lead Software Engineer at G Adventures. Your technical skills will shape the development of groundbreaking applications tailored for travelers around the world.In this leadership role, you'll oversee the technical aspects of software projects, ensuring alignment with user needs ...

Lead Software Engineer at Haventree Bank

Become a Technical Lead at Haventree Bank, where you will lead a team dedicated to creating financial solutions on web, iOS, and Android platforms. This role combines leadership, engineering, and a hands-on approach to product development.In this pivotal role, you will guide a team of skilled engineers in de ...

Lead Software Engineer, Public Markets Technology

Purpose. Performance. People. Joining CPP Investments means joining one of the world’s most admired and respected institutional investors to drive a single mandate: to deliver strong, sustainable returns for generations of Canadians. With a long‑term horizon and global reach, we deploy capital at scale acr ...

Lead Software Engineer AI (Materia AI)

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.Lead Software Engineer - AI (Materia AI)Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled tea ...

Lead Software Engineer for BI Solutions

Transform customer experiences as the Lead Software Engineer for Business Intelligence at Calabrio-Verint. This role emphasizes the creation of large-scale data platforms leveraging modern cloud technologies.Calabrio-Verint is looking for an innovative Lead Software Engineer to spearhead the development of n ...

Lead Principal Software Engineer Web Platform

Drive innovation in web technology as a Lead Principal Software Engineer in our Web Platform Engineering team. Shape architecture while enhancing developer experience and performance scalability.In this senior role, you'll lead technical strategy for our web platform, focusing on architecting robust frontend ...

Hybrid Lead Software Engineer — Architect & Coach

A staffing solutions company in Ontario is seeking a Lead Software Engineer to elevate engineering excellence and drive technical strategies. This role involves mentoring engineers and leading architectural decisions to ensure robust software delivery. Ideal candidates have 6-8 years of experience in software de ...

Lead Software Engineer with AI Focus

Take charge as a Lead Software Engineer focusing on AI integration. Create a long-term technical strategy that enhances code quality and fosters collaboration across teams.In this key position, you'll work closely with product, design, and sales teams to shape technology decisions that drive business growth. ...

Lead Software Engineer for AI Platforms

Step into a leadership role as a Lead Software Engineer focusing on Kubernetes in the development of AI platforms. Make significant contributions to shaping an innovative operating system.This position calls for high-level expertise in systems development, particularly in Kubernetes. You will take ownership ...

Lead Software Engineer at Compass Digital

Compass Digital seeks a Lead Software Engineer to transform the hospitality experience in Toronto. Utilize your expertise in engineering to mentor teams and deliver high-quality solutions.This role combines leadership and hands-on development, requiring 8+ years of software engineering experience and at leas ...

Senior/Lead Software Engineer, Network Systems

Senior/Lead Software Engineer, Network Systems Arista Networks is an industry leader in data‑driven, client‑to‑cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computin ...

Thomson Reuters Lead Software Engineer, AI

Become a vital part of Thomson Reuters as a Lead Software Engineer focusing on AI. Drive forward innovative solutions while enjoying the benefits of a flexible hybrid work model tailored for optimal performance and engagement.We are looking for a motivated individual with significant experience in AI and Mac ...

Lead Software Engineer, Public Markets Technology

Purpose. Performance. People. Joining CPP Investments means joining one of the world’s most admired and respected institutional investors to drive a single mandate: to deliver strong, sustainable returns for generations of Canadians. With a long‑term horizon and global reach, we deploy capital at ...

Lead Software Engineer at Compass Digital

Compass Digital seeks a Lead Software Engineer to transform the hospitality experience in Toronto. Utilize your expertise in engineering to mentor teams and deliver high-quality solutions.This role combines leadership and hands-on development, requiring 8+ years of software engineering experience and at leas ...

Lead Software Engineer AI (Materia AI)

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization. Are you excited about building AI‑driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the a ...

Lead Software Engineer with Capital Markets

Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. The Team TheGlobalMarket Risk Technology teamis a crucial part of the Global Banking & Markets Engineering group. This is an opportunity to work in the exciting ...

Lead Senior Software Engineer at Asana

Drive technical excellence as a Lead Senior Engineer on Asana's Enterprise team. Your focus will be on API frameworks and collaborative development while ensuring exceptional user experiences.This position at Asana in Vancouver focuses on leading initiatives that enhance the multi-product mode. You will ment ...

Lead Software Engineer for Enterprise Languages

Join a cutting-edge team seeking a Lead Software Engineer with expertise in Enterprise Languages. Leverage your skills in systems, build toolchains, and production web scripting.We are searching for an experienced Software Engineer responsible for completing coding tasks within various domains, including C, ...

Lead Software Engineer II at Carta

Join Carta's mission as a Lead Software Engineer II and tackle complex challenges within private capital software solutions. Engage in impactful projects from a fully remote location.In this role at Carta, you'll leverage your extensive software engineering experience—ideally 8+ years—to drive projects that ...

Lead Software Engineer | Upto $70/hr

We’re looking for experienced Software Engineers to complete Coding tasks in a variety of Enterprise Languages. Target Domains Systems + Build Toolchains : C, Rust Enterprise JVM / Build Ecosystems : C#, Kotlin, Scala, Swift Production Web + Ops Scrip ...

Lead Software Engineer for Online Systems

Drive online engineering excellence at Electronic Arts as a Lead Software Engineer in the EA SPORTS™ FC franchise. Leverage your expertise to lead a global team and enhance gaming experiences.In this senior role, you will guide a team of 20+ engineers, focusing on multiplayer networking and backend integrati ...

Lead Software Engineer with AI Expertise

Lead software engineering initiatives with a focus on AI technologies. Oversee feature delivery, platform maintenance, and engage in collaborative problem-solving with stakeholders to enhance user experiences.In this influential role, you will conduct technical research to support new services that align wit ...

Lead Software Engineer, AI & Emerging Tech

Overview Make an impact at a global and dynamic investment organization When you join CPP Investments, you are joining one of the world’s most admired and respected institutional investors. As a professional investment management organization, CPP Investments invests the funds of ...

Lead Software Engineer for AI Solutions

Shape the future of fleet management with Element as a Lead Software Engineer specializing in AI-assisted solutions. Drive end-to-end delivery of innovative applications and enhance client experiences.In this pivotal role in Toronto, you will guide dynamic development teams. Your expertise in backend enginee ...

Lead Software Engineer at Citi Insight

Join Citi as a Lead Software Engineer, architecting scalable applications and optimizing data processing. This hybrid role focuses on regulatory reporting and modern technologies.In this senior position at Citi's Insight team, you will lead applications systems analysis and programming, ensuring compliance a ...

Lead Full Stack Software Engineer Toronto

Shape the future of software engineering at Kraft Heinz as a Principal Full-Stack Software Engineer in Toronto. Embrace a hybrid work model and lead platforms to enhance developer productivity.In this pivotal role, you will spearhead internal engineering frameworks and developer enablement strategies. With o ...

Lead Software Engineer at Consulting Firm

Elevate your career as a Lead Software Engineer in a consulting firm based in Toronto. Focus on driving software solutions and integrating complex systems in a full-time capacity.This role requires detailed coordination of system development and functionality definition while optimizing architecture through ...

Lead Software Engineer AI and SaaS

Take the lead as a Software Engineer, specializing in AI and SaaS application development. Tackle backend and frontend challenges while driving innovative solutions for complex enterprise problems.In this senior role, you will spearhead development initiatives focused on generative AI technologies. Your cont ...

Lead Software Engineer, AI & Emerging Tech

Role Summary As a Lead Engineer for AI & Emerging Tech, you will drive the design, development, and deployment of next‑generation tech and AI‑powered solutions that unlock business value across the organization. This is a hands‑on, coding‑intensive leadership role, where you will code, architect, ...

Lead Software Engineer, Public Markets Technology

Purpose. Performance. People. Joining CPP Investments means joining one of the world’s most admired and respected institutional investors to drive a single mandate: to deliver strong, sustainable returns for generations of Canadians. With a long‑term horizon and global reach, we deploy capital at scale acr ...

Lead Software Engineer at Haventree Bank

Become a Technical Lead at Haventree Bank, where you will lead a team dedicated to creating financial solutions on web, iOS, and Android platforms. This role combines leadership, engineering, and a hands-on approach to product development.In this pivotal role, you will guide a team of skilled engineers in de ...

Lead Software Engineer with G Adventures

Explore a new opportunity as a Lead Software Engineer at G Adventures. Your technical skills will shape the development of groundbreaking applications tailored for travelers around the world.In this leadership role, you'll oversee the technical aspects of software projects, ensuring alignment with user needs ...

Lead Software Engineer AI (Materia AI)

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.Lead Software Engineer - AI (Materia AI)Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled tea ...

Lead Software QA Engineer at Everflow

Drive quality assurance initiatives as a Lead Software QA Engineer at Everflow. Oversee the automation roadmap while working on our innovative SaaS Partner Marketing platform.In this Senior SDET position, your expertise will guide the development of a robust quality assurance framework. You will be an essent ...

Senior Software Engineer — Lead Architect & Mentor

A leading tech company in Canada is seeking a Senior Software Engineer to lead the design and implementation of scalable software solutions. You will mentor junior engineers, tackle technical challenges, and collaborate across teams to align technology with business goals. The ideal candidate has extensive exper ...

Lead Software Engineer for Payment Processing

Shape the future of payment systems as a Principal Software Engineer. Drive technical excellence, optimize engines, and lead impactful projects from a flexible remote setting.In this pivotal role, you will be responsible for overseeing the technical roadmap and implementing modern practices in software desig ...

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