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

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Sr. Software Engineer in Test (Python)

Department: Research & Development Location: Canada-CHQ-Ontario-Toronto Compensation: $123,300 - $169,500 / year Description This full‑time, on‑site position is ideal for experienced Senior Software Development professionals with experience in autom ...

Principal Software Engineer Fintech Global Leader

Principal Software Engineer – Global Fintech About The Role We are seeking an accomplished Principal Software Engineer to lead the design and development of mission‑critical financial platforms. In this role, you will architect scalable, secure, and high‑performance systems that ...

Sr. Software Engineer in Test (Python)

Department: Research & Development Location: Canada-CHQ-Ontario-Toronto Compensation: $123,300 - $169,500 / year This full‑time, on‑site position is ideal for experienced Senior Software Development professionals with experience in automated testing. We are l ...

Camunda 8 Java Software Engineer Role

Join as a Camunda 8 Java Software Engineer focusing on backend solutions and microservices development. Collaborate on innovative projects within the lending or regulated financial services sector.This role seeks candidates with 8-10 years of software development experience, with a deep understanding of Java ...

Amazon Software Engineer for Global Training

Impact the training experience at Amazon as a Software Development Engineer within the Umbrella Training team. This full-stack role involves developing critical software for over 2 million Associates.As a Software Development Engineer II, you will tackle the challenges of the Umbrella Learning Management Sys ...

Senior Fullstack Software Engineer, AI Agents

Why 11x Now At 11x, we're building autonomous digital workers that handle routine work end-to-end, freeing humans to focus on what they do best—creating, innovating, and building meaningful relationships. We're one of the world’s fastest-growing AI companies. We've achieved a 20x increase in ARR a ...

Go Software Engineer Remote Cloud & Kubernetes

A leading network technology firm is seeking a Software Engineer for their Remote Browser Isolation team. The role involves developing cloud-based applications in a Kubernetes environment, managing the full development lifecycle, and ensuring robust observability and security. Ideal candidates have over 2 years ...

Senior Java Software Engineer Microservices (Onsite)

A technology solutions provider in Toronto is seeking experienced Senior Software Developers for a 2-year onsite contract. This role requires 10+ years in Java / Java EE development and expertise in Oracle RDBMS. You will support existing applications, conduct testing and debugging, and work closely with QA team ...

Senior Software Engineer AI Driven Search

Lead innovative search solutions as a Senior Software Engineer focusing on AI-driven platforms. Your role will combine software engineering expertise with a commitment to quality delivery and user experience.In this engineering position, you will focus on creating and maintaining the search infrastructure th ...

Senior Software Engineer AI Driven Search

Lead innovative search solutions as a Senior Software Engineer focusing on AI-driven platforms. Your role will combine software engineering expertise with a commitment to quality delivery and user experience.In this engineering position, you will focus on creating and maintaining the search infrastructure th ...

Compiler Development Engineer for Quantum Software

Advance your career as a Compiler Development Engineer, addressing software challenges in quantum computing applications. Collaborate with a scientific team to enhance our unique compiler pipeline and features.Candidates should possess a Ph.D. in Computer Science or Physics, focusing on quantum computa ...

Sr. Software Engineer in Test (Python)

Department:Research & DevelopmentLocation:Canada-CHQ-Ontario-TorontoCompensation:$123,300 - $169,500 / yearThis full‑time, on‑site position is ideal for experienced Senior Software Development professionals with experience in automated testing. We are l ...

Full Stack Engineer for Software Development

Become a Full Stack Engineer responsible for developing software services that enhance user engagement across multiple platforms. Focus on creating scalable and secure technology solutions.This role requires a strong engineering background that includes working on critical software impacting millions. ...

Entry Level Software Engineer (Java) TD

Kickstart your software engineering career at TD in Toronto, Ontario, as an Entry-Level Software Engineer focused on Java and system solutions. This role offers growth potential and hands-on experience.TD is looking for candidates with 3-5 years' experience in Java and Spring Boot to join their technology te ...

Full Stack Engineer for Software Development

Become a Full Stack Engineer responsible for developing software services that enhance user engagement across multiple platforms. Focus on creating scalable and secure technology solutions.This role requires a strong engineering background that includes working on critical software impacting millions. You wi ...

Staff Linux Software Engineer (Platform & Infrastructure)

Job Position Title of position: Staff Linux Software Engineer (Platform & Infrastructure) Position type: Full time Location: Thornhill, Toronto, Canada Position reports to: Senior Manager of Development Engineering A ...

Software Engineer III Global Tech Leader

Software Engineer III – Large-Scale Systems About The Role We are seeking a highly skilled Software Engineer III to design, build, and scale next-generation systems that power products used by millions of people around the globe. As a mid-to-senior level engineer, you will contr ...

Staff Software Engineer: Platform & AI Architect

A leading software company in Toronto is seeking a Staff Engineer to shape its technical direction and influence various strategic areas. The role involves navigating complex problems, championing systemic improvements, and upholding engineering standards. Candidates should have over 10 years of experience in so ...

Software Engineer (Intermediate and Senior Levels)

About Felix Founded in 2019, Felix is a digital healthcare company that puts the patient in control of their own health and well-being. We’re passionate about building technology and beautiful customer experiences to make healthcare more accessible (and more enjoyable) for all Canadians. ...

Distributed Systems Software Engineer, Python / Go

Distributed Systems Software Engineer, Python / Go Join to apply for the Distributed Systems Software Engineer, Python / Go role at Canonical Distributed Systems Software Engineer, Python / Go 3 months ago Be among the first 25 applicants Joi ...

Rapid Fire Software Engineer for AI

Become a pivotal Software Engineer focused on consumer AI creation. Embrace a fast-paced environment where you can produce substantial results while owning the entire application lifecycle.You will be involved in shipping features frequently, ensuring user feedback drives new developments. Your responsibilit ...

Principal Software Engineer Web Platform Engineering

Overview We are seeking a Principal Software Engineer to lead the evolution of our Web Platform Engineering capabilities. This role is responsible for shaping the architecture, performance, scalability, and developer experience of the foundational web platform that powers our applications. As a te ...

MTS 1, Software Engineer, eBay Live

Overview At eBay, we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets. We’re committed to pushing boundaries and reinventing the future of ecommerce for enthusiasts. We welcome diverse perspectives and a culture where eve ...

Agile Software Engineer for Innovative Solutions

Drive innovation as an Intermediate Software Engineer within a devoted Software Engineering team. Partake in a collaborative atmosphere focused on producing exceptional software for small businesses.In this role, you'll join a Scrum team led by the Software Engineering Manager, working on cutting-edge soluti ...

Low Level Software Engineer at Tenstorrent

Advance your career with Tenstorrent as a Low-Level Software Engineer focused on system management tooling in a hybrid role based out of Toronto. Use your C/C++ and Python skills to enhance AI systems.Tenstorrent is revolutionizing AI technology and is looking for a Software Engineer with 3–6 years of system ...

eBay Staff Software Engineer AI Platform

Join eBay as a Staff Software Engineer focused on AI platform services in Toronto. Drive architectural innovation and enhance development workflows across the organization.This role demands a technical leader with over eight years of experience designing and operating backend systems. You will influence back ...

Software Engineer II (Backend #C & .Net)

Staff Frontend Software Engineer (Availability Planning & Experiences) Toronto, Canada *This will be a remote role to start, with plans to transition to hybrid in-office 2x/week located in downtown Toronto at 134 Peter Street. With millions of diners, 60,000+ restaurant partners a ...

Software Engineer (AI First), Fleet Operations

Who We Are SWTCH is pioneering EV charging solutions for multifamily and commercial properties across North America. Since 2016, our team of entrepreneurs, energy professionals, and technologists has been focused on unlocking the social, economic, and environmental benefits of widespread EV adopt ...

Rush Street Interactive Senior Software Engineer

Become a Senior Software Engineer at Rush Street Interactive, specializing in frontend and mobile application development. Focus on performance optimization and event orchestration.In this challenging role, you will contribute to disrupting the online gaming industry by developing scalable frontend solutions ...

AltaML Full Stack Software Engineer Position

Explore the AltaML Full Stack Software Engineer position and harness your technical skills for meaningful AI solutions. Engage with cutting-edge technologies in a collaborative environment that values creativity.As an Intermediate Full Stack Engineer at AltaML, you will own the development of software featur ...

Senior Software Engineer – Focus on Security

Cohere is looking for a Senior Software Engineer passionate about security to elevate our AI systems. This role involves architecting and securing innovative features in enterprise applications.As a Senior Software Engineer in the North team at Cohere, you will contribute significantly by developing security ...

Security Centric Software Engineer at Cohere

Cohere seeks a Software Engineer focused on security to bolster our AI architecture. Engage in secure coding and enhance production systems for user safety.In the North team at Cohere, your contributions will help shape secure AI experiences. As a Software Engineer with a security emphasis, you'll develop an ...

Senior Software Engineer Agentic AI Systems

Senior Software Engineer - Agentic AI Systems We are seeking an AI Engineer to design, implement, and deploy advanced agentic AI systems. In this role, you’ll build production‑ready AI agents that can reason across multiple steps, leverage a mixture of proprietary models, integrate with semicondu ...

Staff Software Engineer Platform App Services

What You’ll Do Technical Strategy: Define and drive the long-term technical roadmap for Golang-based backend services, ensuring alignment with broader business objectives and platform initiatives. Architectural Leadership: Lead the design and evolution of P ...

Senior Software Engineer (Full Stack JavaScript)

About Morningstar Morningstar unites problem solvers with a clear goal: helping investors achieve their financial objectives. As a leading investment research and data company, we stand out by how we apply our insights to serve a broad range of users. Our independent investment research, powered b ...

Lyft's Software Engineer in Quality Engineering

Shape the future of quality engineering at Lyft as a Software Engineer. Engage in a hybrid work model while developing advanced AI tools to optimize the Rider Quality experience.In this mid-level role on the Rider Quality team, you will focus on creating automations that empower developers and improve produc ...

Senior Software Engineer, AI Ecosystems (Auth0)

Overview Okta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth.<b ...

Senior Software Engineer Distributed Storage & DB

A innovative procurement platform company in Toronto seeks an experienced software engineer to lead improvements on their data access layer for scalability and performance. With a focus on supporting global expansion, this role requires over 5 years of software engineering experience, especially in cloud infrast ...

Senior Software Engineer AI (Materia AI)

# **Our Privacy Statement & Cookie Policy**This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.**Senior Software Engineer – AI (Materia AI)**We're building the next generation of AI‐powered platforms for tax and accounting profes ...

Principal Software Engineer Fintech Global Leader

Principal Software Engineer – Global Fintech About The Role We are seeking an accomplishedPrincipal Software Engineerto lead the design and development of mission‑critical financial platforms. In this role, you will architect scalable, secure, and high‑performance systems that power global pa ...

Sr. Software Engineer AI Tech Leader

Software Engineer V – Global Scale SystemsThe Challenge Billions of people rely on our systems every day — to connect, to create, to work, to play. Each millisecond of latency matters. Each system outage ripples across the globe. As aSoftware Engineer V , you won’t just write code — you’ll de ...

Principal Software Engineer Fintech Global Leader

Principal Software Engineer – FinTech at Global Scale The Challenge Every second, billions of dollars move across the globe. Behind those transactions are systems that must besecure, lightning fast, and highly reliable . As aPrincipal Software Engineer , you’ll design and build the technology ...

Senior Software Engineer, Payroll Platform (Serverless)

A leading global workforce solutions company in Toronto is seeking a Senior Software Engineer to develop and scale reliable payroll solutions. This role involves collaborating with product and design teams to deliver impactful features. Candidates should have over 5 years of experience with a strong focus on bac ...

Senior Software Engineer II, Design Systems

The Company You’ll JoinCarta connects founders, investors, and limited partners through world-class software, purpose-built for everyone in venture capital, private equity and private credit. Trusted by 65,000+ companies in 160+ countries, Carta’s platform of software and services lays the groundwork s ...

Quantum Software Engineer — Physical Architecture (Equity)

A technology company focused on quantum computing is seeking a Software Developer for their Physical Architecture team. You will design, build, and optimize software that supports cutting-edge quantum architecture research. The ideal candidate has a BSc in a relevant field and proficiency in Python. Experience w ...

Quantum R&D Tooling Software Engineer

A leading quantum computing company in Toronto seeks a Software Developer to contribute to software and hardware products. Responsibilities include designing simulation tooling, collaborating with engineers, and maintaining production code. The ideal candidate has a BSc in a related field and 3+ years of softwar ...

MTS2 Software Engineer, iOS, eBay Live

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthus ...

Amazon Software Engineer II, Measurement Team

Be at the forefront of Amazon's advertising efforts as a Software Engineer II within the Measurement and Data Science division. Work with Big Data technologies like Elasticsearch and AWS services to create impactful analytics products. This role emphasizes building and refining systems capable of ma ...

Senior Engineer in AI Software Development

Become a Senior Engineer at Fitch Ratings in Toronto, where you'll lead AI software development initiatives. Create full-stack solutions that transform how financial services operate. This senior role centered on innovative AI technologies allows you to architect and drive the implementation of new ...

Raisin Software Engineer in Support Role

Join Raisin as a Software Engineer in a Support role, resolving technical issues for nonprofits. Focus on .NET and Angular systems while making a social impact. As a Software Engineer in Support at Raisin, you will play a key role in addressing complex technical problems faced by our nonprofit clien ...

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