163,062+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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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 ...

Remote Senior Full Stack Engineer, Crypto & Alt Trading

A fintech leader in Toronto seeks a Principal Full Stack Engineer specializing in crypto and alternative trading products. This pivotal role involves architecting secure, scalable applications and driving the expansion of crypto infrastructure. Ideal candidates have over 8 years in software development and exper ...

Senior Full Stack Engineer Remote Healthcare Infra & AI

A healthcare technology company is looking for a Senior Full Stack Engineer based in Toronto. This position will initially start as remote, transitioning to a hybrid model once the Toronto office opens. Responsibilities include architecting technical integrations and designing data pipelines to enhance healthcar ...

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 ...

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 ...

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 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 ...

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 ...

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 ...

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 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 ...

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 ...

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 ...

Senior Front End Engineer — React UI for Cloud Apps

A pioneering life sciences technology firm is seeking a Front-End Software Engineer to join their dynamic team in Toronto, Canada. The role involves building and maintaining the UI of cloud-based applications using modern frameworks like React. Candidates should possess over 5 years of UI development experience ...

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 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 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 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 ...

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 Full Stack Engineer Remote Healthcare Infra & AI

A healthcare technology company is looking for a Senior Full Stack Engineer based in Toronto. This position will initially start as remote, transitioning to a hybrid model once the Toronto office opens. Responsibilities include architecting technical integrations and designing data pipelines to enhance healthcar ...

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 ...

Remote Senior Full Stack Engineer, Crypto & Alt Trading

A fintech leader in Toronto seeks a Principal Full Stack Engineer specializing in crypto and alternative trading products. This pivotal role involves architecting secure, scalable applications and driving the expansion of crypto infrastructure. Ideal candidates have over 8 years in software development and exper ...

Platform Engineer: Scale End to End Systems (Remote)

A dynamic tech startup in Toronto is looking for a Software Engineer, Platform to join their growing team. This role focuses on building complex end-to-end systems and participating in product decisions. The ideal candidate will have solid experience in both backend and frontend development, particularly with No ...

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 ...

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 ...

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 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 ...

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 ...

Senior Google Cloud Platform Engineer

Lead the optimization of GCP infrastructure as a Senior Platform Engineer. Focus on reliability, automation, and compliance in a dynamic contract position.We seek a highly experienced Senior Platform Engineer proficient in Google Cloud Platform with over 10 years in cloud engineering and DevOps. This role em ...

Toronto Senior Network Security Engineer

Join a large public sector organization as a Toronto-based Senior Network Security Engineer. Play a key role in optimizing cybersecurity initiatives and enterprise infrastructure.In this hybrid role, you will be at the forefront of addressing complex networking and security challenges. Collaborating with cro ...

Senior Platform Engineer for Hybrid Cloud Architecture and Solutions

Shape the future of technology as a Senior Platform Engineer, specializing in hybrid cloud architecture. Leverage your expertise in Kubernetes and cloud-native solutions to drive operational excellence.This role requires a seasoned engineer to lead design and delivery of hybrid cloud platforms. You will arch ...

WSP Senior Systems Engineer – Rail Integration

Drive the next generation of urban rail at WSP as a Senior Systems Integration Engineer. Lead the integration strategy for complex transit projects.At WSP, you will take on a senior technical role, ensuring successful execution of systems integration in rail and transit environments. Your leadership will inf ...

Softchoice Data Integration Engineer Role

Excel as a Data Integration Engineer at Softchoice on a fixed contract, enhancing enterprise data solutions with Microsoft Fabric. Utilize your extensive experience in data development and governance.As a senior member of the Data Engineer team, your focus will be on leading the design, optimization, and imp ...

Expert Senior AI Engineer Remote Role

Make a difference in AI technology with NTT DATA as a Remote Senior AI Engineer from Toronto, Ontario. Focus on designing AI models and enhancing existing architectures for impactful solutions.As a Senior AI Engineer, you will be instrumental in developing strategic AI initiatives and ensuring system complia ...

Systems Requirements Engineer Senior Level at WSP

Elevate urban rail infrastructure as a Senior Systems Requirements Engineer with WSP in the Greater Toronto Area. Oversee intricate systems integration for a transformative rail project.WSP is in search of a Senior Systems Requirements Engineer to ensure effective requirement management for a critical rail e ...

Expert Water Resources Engineer Wanted

Join as a Senior Water Resources Engineer to lead innovative water assessment projects from Ontario. Collaborate with industry experts in managing vital water resources and environmental impacts.This senior-level engineering role demands specialization in hydrology and hydraulics, with responsibilities spann ...

Senior Engineer Traffic Signals & Roadway Lighting

Advance your engineering career with Egis as a Senior Electrical Engineer focused on Traffic Signal and Roadway Lighting design. This leadership role offers an opportunity to work collaboratively on innovative projects across North America.You will lead the design and operational implementation of sophistica ...

Senior Mechanical Engineer for Innovative Building Design Projects

Join our dynamic team as a Senior Mechanical Engineer, focusing on innovative building design. Contribute to complex projects while mentoring junior engineers in an on-site environment.This position is tailored for a design-oriented engineer with 8+ years’ experience in mechanical systems, particularly HVAC ...

Senior ML Engineer for Medical Imaging

Transform liver care technology with Oncoustics as a Senior Machine Learning Engineer. This full-time role focuses on cutting-edge deep learning applications utilizing AI for ultrasound diagnostics.Oncoustics is seeking a highly experienced Senior ML Engineer to lead the development of machine learning archi ...

Hardware Compliance Design Engineer Scarborough

Elevate your career as a Hardware Compliance Design Engineer at Randstad Canada in Scarborough. Lead the EMC and environmental testing processes for state-of-the-art signaling solutions.This position requires a passionate Electrical Engineer with substantial experience in hardware qualification and testing. ...

TCS Wireless Networking Engineer Role

Join Tata Consultancy Services (TCS) as a Wireless Networking Engineer, leading the deployment of Cisco and Aruba technologies. Manage and optimize Wi-Fi networks across corporate environments.As a Wireless Networking Engineer, you will bring your strong Cisco and Meraki knowledge to TCS. Your role will invo ...

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