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

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Intermediate Software Engineer Java (Project Management)

About CMiC CMiC is the leading provider of complete, integrated and advanced enterprise level software solutions for construction and capital projects. For nearly four decades, CMiC has partnered with the largest and most technologically progressive AEC firms and capital project owners in North A ...

FinTech Software Engineer – Carbon Markets Platform

A leading carbon markets firm based in Toronto is seeking a Software Engineer to develop features for their financial intelligence platform. This role involves working with complex financial datasets and requires strong technical skills in Python and TypeScript. The ideal candidate will have over 5 years of expe ...

Software Development Engineer, Amazon Aurora PostgreSQL

Description Looking to be part of a team building hyper-scale database services in the cloud? Do you want to revolutionize the way people manage vast volumes of data in the cloud where you have direct and immediate impact on hundreds of thousands of users who use AWS database services? ...

Senior Software Engineer, Frontend (AI Agent)

Are you ready to redefine the future of work with cutting-edge AI? At Cresta, we're on a groundbreaking mission to supercharge the effectiveness of knowledge workers, making them 100x more productive, 10x faster, and 10x better. Responsibilities: Play a substantial role in the Cresta Vir ...

Software Engineer (Metal Runtime, API & Abstractions)

Requirements If you enjoy pushing performance, working close to the metal, and designing abstractions that make complex systems usable without sacrificing control, this is your kind of role ,We welcome candidates at various experience levels for this role. During the interview proces ...

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 ...

Senior Software Engineer in Payment Innovation

Shape the future of payment processing as a Senior Software Engineer. Drive high-impact projects focusing on scalability and performance of card issuing platforms, working remotely from Canada.This role centers on both technical ownership and hands-on coding, allowing you to influence the development of crit ...

Senior Software Engineer Global Scale Systems

A global staffing and consulting firm is seeking a Software Engineer V to design architectures that support systems for billions. You will focus on high-traffic services, mentoring engineers, and influencing product strategies. Ideal candidates have expertise in modern programming languages such as Python and Ja ...

Staff Software Engineer: Stream Governance Architect

A data streaming technology company is seeking a Staff Software Engineer to lead initiatives for the Stream Governance product. This role involves developing cloud-native services and collaborating with teams to enhance data streaming solutions. Ideal candidates will have over 10 years of software development ex ...

Software Engineer in C# and Node.js

Advance your career with Scotiabank as a Software Engineer specializing in C# and Node.js in Toronto, Ontario. Engage with innovative Automotive Lending Technologies to enhance critical banking applications.In this challenging role as a Senior Associate, you will work on high-impact development projects that ...

Software Engineer in Remote AI Team

Make a difference with Speechify as a Software Engineer in our Data-focused AI team. Contribute to scalable and efficient data collection for our award-winning text-to-speech products, all in a remote work environment.We are seeking an accomplished Software Engineer to enhance the data collection processes t ...

Junior Software Engineer, Lyft Ads Infra

Kickstart your career as a Junior Software Engineer with Lyft Ads, focusing on backend and data engineering. Work collaboratively in a hybrid environment to enhance ad technology and infrastructure.At Lyft, we're committed to building an inclusive team of engineers. This role within the Ad Infra team is perf ...

Software Engineer for AI Document Solutions

Empower legal professionals as a Software Engineer specializing in AI Document Solutions at EvenUp. This hybrid role focuses on building sophisticated document generation systems to support personal injury attorneys.Your work will help enhance EvenUp’s legal tech products by designing AI-native workflows tha ...

Full Stack Software Engineer at Stripe

Step into a Full Stack Engineer role at Stripe, shaping platforms that drive the future of payment technology. Engage in high-impact software development for global businesses.Stripe is on the lookout for innovative Full Stack Engineers to build software serving millions through its Developer Experience and ...

Java Software Engineer at TD Securities

Drive innovation in risk and valuation applications as a Java Software Engineer at TD Securities in Toronto, Ontario. This role emphasizes software design and application development in a hybrid cloud environment.Join the Market Risk Technology Engineering Team, where you’ll leverage your 5-7+ years of Java ...

Senior Software Engineer: Own Impact & Remote

A PropTech company in Toronto is seeking a Senior Software Engineer to build and scale their SaaS platform. You will work across the full stack, contributing to both Angular and Node.js frameworks, ensuring fast deployment and customer impact. This role requires an ownership mentality and senior-level engineerin ...

Hybrid GIS Software Engineer ArcGIS Specialist

A leading technology firm in Toronto is seeking a Senior Software Developer with extensive GIS development experience. The role requires proficiency in ESRI technologies and strong analytical skills. This hybrid position involves maintaining production systems and collaborating with cross-functional teams. Ideal ...

Embedded Systems Software Engineer Toronto, Canada

Imagine being part of a team that’s redefining the future of mobility—where your ideas don’t just sit in a lab but power next-generation technology. At indie, we are developing cutting‑edge semiconductors, photonics, and radar sensors and systems for automotive, industrial, and adjacent markets. Our innovations ...

Senior Software Engineer: Data Warehousing & AWS

A leading tech solutions company in Toronto is seeking a Senior Software Developer. This role involves working with diverse data formats and cloud technologies, particularly AWS. Candidates should have expertise in the full Software Development Life Cycle, including requirements gathering, design, implementation ...

Software Engineer (Rust + Python) Surrey, BC

Whistler Alpha Research is a research arm of Whistler Trading, a systematic proprietary trading firm founded by industry leaders who previously built some of the most successful businesses in quantitative finance and high-frequency trading. We’re on a mission to build elite trading systems and infrastructure wit ...

CRM Software Engineer — Siebel & AEM Integration

A technology solutions firm located in Toronto is seeking an Intermediate Software Developer specializing in CRM applications. The ideal candidate will have over 5 years of experience with Siebel technical configuration and possess strong analytical and problem-solving skills. Responsibilities include translatin ...

Senior Software Engineer Global Scale Systems

A global staffing and consulting firm is seeking a Software Engineer V to design architectures that support systems for billions. You will focus on high-traffic services, mentoring engineers, and influencing product strategies. Ideal candidates have expertise in modern programming languages such as Python and Ja ...

Senior Software Engineer, Distributed Database Infra

A leading procurement technology firm in Toronto seeks an experienced Software Engineer to enhance its proprietary database access layer. You will work on improving scalability and performance for Zip's products, collaborating closely with product engineering teams. Ideal candidates have over 5 years of software ...

Quantitative Software Engineer: ML, Math & LargeScale

A renowned consulting firm in Toronto is looking for a Quantitative Software Engineer to tackle complex computational challenges. Responsibilities include developing systems for machine learning and quantitative algorithms, while collaborating with research partners. Ideal candidates have a BS in Computer Scienc ...

Measurement Software Engineer at Axiomatic AI

Join Axiomatic AI as a Measurement Software Engineer and transform the future of AI-driven labs. Leverage your expertise in software to innovate hardware measurement accuracy and reliability.In this role, you will architect AX-Measure, the foundation of our self-driving lab. You’ll develop high-concurr ...

Senior Software Engineer Role at CircleCI

Step into the Senior Software Engineer role at CircleCI, where artificial intelligence is central to our engineering practices. Bring your full-stack expertise in React, Go, and TypeScript to redefine developer workflows.At CircleCI, we emphasize collaborative hiring for strong team alignment. You will ...

Software Engineer I (Java/Python/Golang)

## Software Engineer I (Java/Python/Golang)Applyremote type:On Sitelocations:Toronto, Ontariotime type:Full timeposted on:Posted Todaytime left to apply:End Date: June 15, 2026 (13 days left to apply)job requisition id:R_ **Work Location:**Toronto, Ont ...

Sr Software Engineer Basis Platform / DSP

WHO WE AREAt Basis, we empower agencies and brands with cutting‑edge software that automates digital media operations. Our all‑in‑one platform supports seamless planning, reporting, and financial reconciliation across direct, programmatic, search, and social media. We’re not just building advanced tech ...

Xanadu Quantum Software Engineer Performance Focus

Drive performance advancements in quantum computing at Xanadu as a Quantum Software Engineer. Your focus will be on optimizing software frameworks for quantum capabilities.In the PennyLane Performance Team, you will play an essential role in building a high-performance software stack that enhances the ...

Senior Software Engineer (Full Stack JavaScript)

About MorningstarMorningstar 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 by cutt ...

Sr. Software Engineer in Test (Python)

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

Backend Software Engineer AI Platform Leader

Backend Software Engineer About The Role Build reliable backend systems that power AI platform features. You will develop APIs, services, and infrastructure that support scalable product capabilities.What You’ll DoBuild backend services and APIs that support core product workflows.D ...

Basis Senior Software Engineer Platform Focus

Become a pivotal force in digital media at Basis as a Senior Software Engineer focusing on platform development. Utilize your skills in cloud technologies and collaborative engineering while working flexibly.Basis is searching for a candidate with over 5 years of experience in software development. You will ...

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 testi ...

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 millio ...

Principal Software Engineer (Full Stack JavaScript)

The Role We are seeking a Principal Software Engineer (Full-Stack JavaScript) to lead technical direction and delivery within Morningstar’s Central Technology Web Development team, supporting the evolution of our Corporate Marketing digital ecosystem. This is a hybrid position (4 days in-office) bas ...

Dev Tools Software Engineer at Homebase

Empower engineers at Homebase as a Dev Tools Software Engineer specializing in Infrastructure. Build tools that streamline processes and elevate the overall developer experience. Join the platform infrastructure team, focusing on creating internal tooling and automation that drives software delivery ...

Experienced Software Engineer Toronto, Ontario, Canada

Position Description & Qualifications Looking for a Software Engineer opportunity at a place you can make a difference every day? Discover this great opportunity in our Toronto, Ontario, Canada location. You will be part of a professional team which supports operations at all Driv ...

Junior Software Engineer at Serco Canada

Launch your career as a Junior Software Engineer with Serco Canada Inc. in Toronto, Ontario. Gain hands-on experience in Java and application enhancements for DriveTest Centres across Ontario. As a member of a dynamic team, you'll focus on the ongoing support and improvement of web-based application ...

Software Engineer Cloud Environment at Moneris

Drive innovation in payment solutions as a Software Engineer at Moneris in Toronto. This role emphasizes cloud-based application development using modern technologies. As a Software Engineer, you will utilize your 3-5 years of experience to build scalable applications in a full-stack environment. En ...

Sr Staff Software Engineer Toronto, Ontario

The Role We’re looking for a Senior Staff Engineer who thrives on solving complex problems and building and supporting secure, multitenant, fault‑tolerant systems at scale. You’ll play a critical role in shaping multitenant architecture, writing high‑quality code using latest AI development t ...

Experienced Software Engineer for System Toolchain

Drive innovation as a Lead Software Engineer specializing in system toolchains and enterprise languages. Bring your expertise in C, Rust, and production web scripting. We are looking for a seasoned Software Engineer to execute critical coding tasks in diverse domains. Your solid experience in langua ...

Software Engineer, CMS with AI Focus

Join TRADER as a Senior Software Engineer focusing on CMS, where you’ll leverage AI to innovate auto repossession and remarketing solutions in Toronto, ON. This role emphasizes architectural ownership and engineering quality. In the CMS team at TRADER, you’re tasked with reshaping and improving our ...

Advanced Software Engineer for AI Workflows

Join Klue in Toronto as a Senior Software Engineer specializing in AI workflows. Your work will focus on building state-of-the-art LLM-driven systems that enhance competitive intelligence efficiently. As a Senior Engineer, you'll be responsible for creating and optimizing backend systems that facili ...

Senior SAP Software Engineer in Toronto

Elevate your career as a Senior Software Engineer in Toronto with P&G, specializing in SAP BW and data analytics. Take on key responsibilities in implementing SAP S/4 HANA solutions while working with leading brands. This role requires a dynamic professional eager to contribute to enterprise web dev ...

Software Engineer for Android at Okta

Take on a pivotal role at Okta as a Software Engineer for Android Device Authenticators, shaping the future of identity management. Utilize your skills to design high-quality software in a fast-paced environment. In this position, you will join our Access Management Team, focusing on developing inno ...

React Software Engineer in Legal Tech

Become a part of Spellbook as a React Software Engineer focusing on innovative applications leveraging large language models. This role emphasizes collaboration and user feedback to enhance lawyer workflows. As a Software Engineer with a minimum of five years of experience, you will design and imple ...

Software Engineer for Real Time Systems

Join Draganfly Innovations as a Software Engineer focusing on advanced real-time systems, low-latency applications, and autonomous operations. Collaborate with cross-functional teams to enhance drone technologies and solutions. As a key addition to our engineering team, this role seeks an innovative ...

Software Dev Engineer, Amazon Customer Service

Key job responsibilities Design and build scalable, secure, and reliable distributed services (full stack) that support global customer and associate experiences. Develop Agentic AI and Generative AI–powered capabilities that help associates make better decisions and a ...

Entry Level Software Engineer at TD

Launch your career at TD as an Entry-Level Software Engineer in Toronto, Ontario. Contribute to building secure backend services and APIs while working in a hybrid environment. TD is seeking Software Engineers I to join its Technology Solutions team. This role is suitable for candidates with 2-3 yea ...

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