163,077+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Staff Full Stack Engineer – AI‑Driven Platforms

A leading global information service provider is seeking a Staff Software Engineer (Full Stack) to build AI-driven applications. The candidate should have 8+ years of full-stack experience, expertise in modern tech stacks, and the ability to collaborate with multi-disciplinary teams. This hybrid role offers a fl ...

Senior Backend Engineer Financial Tech (Rust/Python)

A leading financial technology advisory firm in Toronto is seeking a financial software engineer to join their back-end team. The role involves designing and implementing cloud-native solutions, engaging with stakeholders, and building performance-critical systems using Rust and Python. Candidates should hold a ...

Senior Backend Engineer — Remote, Equity, Impact

A forward-thinking legal tech firm is looking for an experienced back end software engineer to join their team. In this role, you will take ownership of tech features and write high-quality code. With an emphasis on user impact, you will also work on technology that scales efficiently. This remote-first position ...

Senior Python Engineer Microservices & Banking Platform

A tech company in Ontario is seeking a Senior Software Engineer to enhance its banking platform. The role involves designing scalable solutions, mentoring engineers, and participating in sprint planning. The ideal candidate has over 7 years of experience, proficiency in cloud computing, Docker, SQL, and Python, ...

Senior Backend Engineer Financial Tech (Rust/Python)

A leading financial technology advisory firm in Toronto is seeking a financial software engineer to join their back-end team. The role involves designing and implementing cloud-native solutions, engaging with stakeholders, and building performance-critical systems using Rust and Python. Candidates should hold a ...

AI Driven Backend Engineer (Serverless, TypeScript)

A Canadian FinTech company is seeking a Software Engineer, Backend to evolve its serverless infrastructure using cutting-edge AI tools. This role focuses on leading the architectural evolution, refactoring existing systems, and designing robust data pipelines and payment processing systems. Ideal candidates shou ...

Azure DevOps Engineer — Cloud, SaaS, Hybrid

A technology company focused on K-12 education is hiring a DevOps Engineer to manage application deployments and support their financial software systems. The ideal candidate has 3–5 years of experience in application support with a strong understanding of DevOps practices, particularly within Azure. This role i ...

Senior Verification Engineer – Cloud ML Hardware

A leading cloud computing company is seeking a Sr. Design Verification Engineer. In this role, you will verify hardware and software solutions, develop comprehensive verification plans, and collaborate with cross-functional teams. Ideal candidates should have 8+ years in design verification using constrained-ran ...

Embedded Systems Firmware Engineer — Real Time Automotive

A leading technology company in Toronto is seeking an experienced Firmware Engineer to design and implement innovative system-level features in embedded software. Candidates should possess a strong background in C programming, with a minimum of 4 years in embedded development and familiarity with RTOS. The role ...

Staff Infrastructure Engineer, PAM Platform Equity Eligible

A leading technology firm in Toronto is seeking a Staff Software/Platform Engineer for Infrastructure- Privileged Access Management. The ideal candidate has 7+ years of experience in programming, deep knowledge of Kubernetes, and a strong understanding of cloud technologies. This role involves designing, develop ...

Associate Python Engineer: Cloud & Microservices (Contract)

A tech recruitment firm in Toronto is seeking a Senior Python Software Engineer to enhance community knowledge with innovative solutions. The role requires expertise in Python and understanding of cloud computing, distributed systems, and relational databases. Strong communication skills and experience with GitH ...

Senior Python Engineer Microservices & Banking Platform

A tech company in Ontario is seeking a Senior Software Engineer to enhance its banking platform. The role involves designing scalable solutions, mentoring engineers, and participating in sprint planning. The ideal candidate has over 7 years of experience, proficiency in cloud computing, Docker, SQL, and Python, ...

Senior Full Stack Engineer AI Driven SaaS Platform

A venture intelligence company in Toronto is seeking a Full-Stack Software Engineer to build and scale their SaaS platform, DiligenceGPT™. The successful candidate will focus on the product, platform, and infrastructure that enable AI-driven workflows. Key responsibilities include building full-stack features us ...

Senior Mainframe Developer | Cobol, JCL & DB2 Expert

A leading financial institution in Toronto is seeking a Software Engineer to contribute to the Pricing and Rates applications. The successful candidate will have 5-8 years of experience in systems analysis and development, with strong skills in Cobol and agile methodologies. This role involves coding, debugging, ...

Full Stack Engineer for Partner Integrations & Ecosystem

A fintech company is seeking a Full-Stack Engineer to join their Partner Products team in Toronto, Ontario. The successful candidate will contribute to building and scaling integration tools, while collaborating across engineering teams. The role requires strong full-stack capabilities, a background in software ...

Enterprise AI Solutions Engineer

A leading AI solutions company in Toronto is seeking a highly technical Solutions Engineer to manage customer relationships and ensure seamless AI integration into enterprise environments. This role requires proficiency in programming, experience in software development, and strong problem-solving skills. Ideal ...

Senior Backend Engineer – AI App Builder

A leading AI technology company in Toronto is seeking a Senior Software Engineer to enhance the application building experience on their platform. The role involves collaboration with various teams to improve usability and transparency in AI workflows, focusing on backend development and API design. Ideal candid ...

Senior Embedded Engineer – Remote (Automotive Networking)

An innovative tech company is seeking a Senior Embedded Software/Firmware Engineer for remote work. You'll develop device drivers, ensuring integration with Linux and AUTOSAR Stack. Ideal candidates possess extensive experience in embedded firmware and have a strong command of C/C++. The role offers competitive ...

Senior Backend Engineer: Scalable Microservices & Cloud

A leading digital financial platform in Canada is looking for a seasoned software engineer to develop high-scalable microservices using Clojure. The ideal candidate has over 6 years of experience in digital product development and is proficient in distributed systems and cloud technology. This role offers the op ...

Senior Backend Engineer — Distributed Systems + Equity

A leading digital financial platform is seeking a Senior Software Engineer to join their team in Toronto. The role focuses on developing scalable microservices mainly in Clojure and working with modern cloud technologies. Candidates should have 6+ years of experience in digital product development, strong proble ...

Senior Java & API Engineer — Cloud, Microservices

A leading banking institution in Toronto is seeking an experienced Software Engineer to support Payments & Core Banking Engineering. The role includes developing applications, maintaining integration flows, and collaborating with cross-functional teams. Candidates should have extensive experience in Java Spring/ ...

Senior Fullstack Engineer — Backend‑First, Cloud (GCP)

A major retail analytics software company in Toronto seeks a highly motivated Senior Fullstack Engineer focusing on backend development. This hybrid role is crucial in shaping the technical direction for our platform, delivering well-tested code, and collaborating effectively with team members. Candidates should ...

Full Stack Engineer — Build AI Driven Legal Workflows

A legal technology firm in Toronto is seeking a Full Stack Engineer to design and develop a modern legal tech platform. The role involves optimizing user interfaces, managing backend services with Go, and deploying applications on Google Cloud. Candidates should have 5+ years in software development, strong back ...

Distribution Power Lines Engineer Hybrid Flexible Work

A leading global engineering firm is seeking a Distribution Line Engineer in Toronto, Ontario. This role involves designing resilient power distribution systems and collaborating with a team to influence how energy is delivered and maintained. You will tackle real-world challenges and work on projects that keep ...

Full Stack Engineer, Partner Integrations & Platforms

A leading technology firm is seeking a Full-Stack Engineer to join their team in Toronto. This role involves building and scaling solutions for third-party systems. Candidates should have substantial software engineering experience and strong capabilities in both front-end and back-end development. The position ...

Senior Full Stack Engineer Own End to End Platform

A leading SaaS company in Toronto is looking for an experienced Software Engineer to take ownership of features from design to production. The role involves working with a tech stack including Ruby on Rails, PostgreSQL, and Ember.js, focusing on data integration and system reliability. This is an opportunity to ...

Remote Applications Engineer – Systems & Optimization

A global water solutions company is seeking an Applications Engineer to enhance system performance and reliability. This hands-on role involves leading technical activities, optimizing system operations using FlexNet tools, and collaborating with cross-functional teams. The ideal candidate will have a Bachelor’s ...

Remote Python Systems Engineer for AI Collaboration (Contract)

A tech company specializing in AI is seeking a Software Engineer to join their remote team. The role requires developing and maintaining complex Python systems, designing modular codebases, and optimizing performance. Candidates should have experience in top U.S. tech firms and a strong grasp of Python fundament ...

Senior QA Automation Engineer Selenium & API

A leading bank in the Americas is seeking a Test Automation Engineer to join their Canadian Banking team. This role involves designing automation strategies, collaborating with development teams, and ensuring high-quality product delivery. Candidates should have extensive experience in automation, particularly w ...

Full Stack LLM Engineer: Model Bringup & Optimization

A leading AI technology company in Toronto is seeking an experienced engineer to join their Inference Core Model Bringup team. In this role, you'll contribute to the rapid deployment of state-of-the-art AI models, working across the entire software stack. The ideal candidate possesses strong skills in debugging ...

Roadway Lighting Electrical Engineer (CADD & Design)

A leading engineering consultancy firm in Toronto is seeking an experienced Electrical Engineer with a degree and CADD software proficiency. The role involves supporting management in contract developments, making revisions to designs, and collaborating with diverse teams on infrastructure projects. The ideal ca ...

Real Time Live Commerce Platform Engineer

A leading global e-commerce platform in Toronto is seeking a Software Engineer to develop a real-time commerce platform. You will work on backend services for interactive online shopping, focusing on performance and scalability. Ideal candidates have a Bachelor’s degree in Computer Science or related field, prof ...

Global Payments Tech Engineer React/Node, Cloud & CI/CD

A leading financial institution in Toronto is seeking a Software Engineer to contribute to Global Payments Technology. The candidate will develop scalable applications using technologies like ReactJS and NodeJS, ensuring robust solutions within a diverse and inclusive culture. Responsibilities include building f ...

Distribution Power Lines Engineer Hybrid Flexible Work

A leading global engineering firm is seeking a Distribution Line Engineer in Toronto, Ontario. This role involves designing resilient power distribution systems and collaborating with a team to influence how energy is delivered and maintained. You will tackle real-world challenges and work on projects that keep ...

Senior Backend Engineer – AI App Builder

A leading AI technology company in Toronto is seeking a Senior Software Engineer to enhance the application building experience on their platform. The role involves collaboration with various teams to improve usability and transparency in AI workflows, focusing on backend development and API design. Ideal candid ...

Remote Python Systems Engineer for AI Collaboration (Contract)

A tech company specializing in AI is seeking a Software Engineer to join their remote team. The role requires developing and maintaining complex Python systems, designing modular codebases, and optimizing performance. Candidates should have experience in top U.S. tech firms and a strong grasp of Python fundament ...

Senior Data Platform Architect — Hybrid/Remote

A global e-commerce leader is seeking a Senior MTS Software Engineer to drive architectural vision for the Core Data platform. This role involves independent leadership of complex data initiatives, ensuring scalable and maintainable systems, and fostering a vibrant, inclusive engineering culture. Candidates shou ...

Rugged Mechanical Design Engineer, Construction IoT

A construction IoT company in Toronto is seeking a Mechanical Design Engineer with over 5 years of experience in end-to-end mechanical design for robust, compact devices. The ideal candidate is proficient in CAD software and has hands-on problem-solving skills. You will work collaboratively with cross-functional ...

Senior Python Engineer Microservices & Banking Platform

A tech company in Ontario is seeking a Senior Software Engineer to enhance its banking platform. The role involves designing scalable solutions, mentoring engineers, and participating in sprint planning. The ideal candidate has over 7 years of experience, proficiency in cloud computing, Docker, SQL, and Python, ...

DevOps Engineer IaC, CI/CD & Automation in Toronto

A leading transportation solutions provider in Toronto is seeking a full-time DevOps Engineer to modernize and automate infrastructure. The role involves contributing to Infrastructure as Code using tools like Terraform and Ansible, maintaining CI/CD pipelines, and collaborating across engineering and IT teams. ...

Senior Full Stack Engineer, Trust & Safety – Remote

A leading financial technology company is seeking a Full Stack Engineer to enhance customer journeys during authentication and verification. This role involves owning quarterly goals, collaborating with various stakeholders, and implementing high-availability systems. The ideal candidate will have 4+ years of ex ...

Remote Python Engineer – Backend APIs (Entry Level)

A dynamic tech company is seeking an Entry-Level Python Engineer to join their growing engineering team in Toronto. Ideal for recent graduates, you will develop scalable applications, backend services, and APIs in a collaborative, fast-paced setting. The role includes writing clean Python code, participating in ...

Senior Frontend Engineer, Cases Product – Hybrid SF

A technology-driven legal firm in Toronto is seeking a Backend Software Engineer to enhance their integration engine and improve user experiences. The role involves full project ownership, collaboration with engineers, and documentation of technical requirements. The ideal candidate has over 5 years of experienc ...

Senior Backend Engineer, New Products — Hybrid Role

A leading technology company in Toronto is seeking a Software Engineer to help build and launch new products that impact personal injury workflows. You’ll work with a collaborative team, using technologies like Python and React, to deliver solutions that improve lives. Ideal candidates have 5-10+ years in engine ...

Senior AI Backend Engineer: Scalable, High Performance APIs

A leading technology firm in Toronto is seeking a Senior Software Engineer to design and optimize backend systems for AI-powered platforms. In this role, you will architect high-performance services, manage large-scale data flows, and collaborate with cross-functional teams to implement AI capabilities. Candidat ...

Senior Fullstack Engineer for AI Agent Systems

A leading AI company based in Toronto is seeking a fullstack engineer to design and develop systems for autonomous digital workers. In this role, you'll collaborate across teams to enhance user experience while applying your skills in Typescript, React, NextJS, and NodeJS. Candidates should have over three years ...

Frontend Engineer, New Products — Hybrid (SF)

A leading technology company in Toronto is seeking a Software Engineer to join their New Products team. The role involves building and launching innovative products that enhance workflows for personal injury lawyers and their clients. With 5-10+ years in backend or frontend engineering, candidates should possess ...

Azure DevOps Engineer — Cloud, SaaS, Hybrid

A technology company focused on K-12 education is hiring a DevOps Engineer to manage application deployments and support their financial software systems. The ideal candidate has 3–5 years of experience in application support with a strong understanding of DevOps practices, particularly within Azure. This role i ...

Senior Underground Mining Estimator & Project Lead

A leading mining contractor is seeking a Senior Mining Engineer & Project Estimator based in Canada. The successful candidate will be responsible for preparing detailed cost estimates for various underground mining projects, ensuring competitive tender submissions that align with company goals. This role demands ...

Forward Deployed AI Solutions Engineer

A leading digital commerce platform provider based in Toronto is seeking a Forward Deployed Engineer to partner with product managers and customers to prototype AI-driven solutions. This role involves hands-on development, customer interaction, and collaboration with global teams. Qualified candidates should hav ...

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