141,974+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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AI Platform Engineer: ML Systems & Production

A leading staffing and consulting firm in Toronto is seeking a Machine Learning, AI Software Engineer. You will help build AI-powered capabilities on a modern platform, working on model integration and evaluation frameworks. Ideal candidates have over 2 years of experience in software engineering with machine le ...

Senior Go Engineer Identity Platform, Hybrid + Equity

Starboard Recruitment seeks a Senior Software Engineer (Golang) to join a fast-paced, innovative engineering team in Toronto. This role focuses on building a cutting-edge identity orchestration platform and offers a hybrid work environment with ample opportunities for professional growth and collaboration on exc ...

Senior Backend Engineer, Core Services — Remote

A leading micromobility company in Canada is looking for an experienced Backend Software Engineer. In this remote role, you will design and build core technology for electric vehicles, working with a talented team of engineers and data scientists. Candidates should have 5+ years of software development experienc ...

Senior AI Backend Engineer – Hybrid Role

A global leader in information services is looking for a Senior Software Engineer to join their AI-driven team in Toronto. This role involves designing backend services for innovative AI solutions focused on accounting workflows. The ideal candidate should have strong Python skills, experience with AI systems, a ...

Inference Performance Engineer, ML Systems & Optimization

A leading AI technology company in Toronto is seeking an experienced software engineer to join their inference model team. This role involves prototyping AI architectural tweaks, developing benchmarking automation, and collaborating closely with silicon teams. Candidates should have over 3 years of experience in ...

Senior Staff Engineer, Developer Productivity & Ecosystem

A leading database software company in Toronto seeks a Senior Staff Engineer to enhance its developer ecosystem. You will partner with engineering leadership to drive developer velocity and efficiency, optimizing software development tools and services. Ideal candidates have 10+ years of experience in developer ...

Senior Staff Software Architect — Enterprise Solutions (Hybrid)

A leading financial institution in Toronto is seeking a Senior Staff Software Engineer to design and implement enterprise-level architecture solutions. The ideal candidate will have over 8 years of experience in software engineering and systems architecture, along with proficiency in cloud solutions like AWS. Th ...

ML Engineer, Open Source LLM Inference & Optimization

A leading software solutions company in Toronto seeks a Machine Learning Engineer to optimize and develop advanced deep learning software for LLMs. You will collaborate with product and research teams to create model optimization algorithms and productize deep learning research. Ideal candidates should have stro ...

Senior AI Backend Engineer – Hybrid Role

A global leader in information services is looking for a Senior Software Engineer to join their AI-driven team in Toronto. This role involves designing backend services for innovative AI solutions focused on accounting workflows. The ideal candidate should have strong Python skills, experience with AI systems, a ...

Senior Staff Software Architect — Enterprise Solutions (Hybrid)

A leading financial institution in Toronto is seeking a Senior Staff Software Engineer to design and implement enterprise-level architecture solutions. The ideal candidate will have over 8 years of experience in software engineering and systems architecture, along with proficiency in cloud solutions like AWS. Th ...

Senior Go Engineer Identity Platform, Hybrid + Equity

Starboard Recruitment seeks a Senior Software Engineer (Golang) to join a fast-paced, innovative engineering team in Toronto. This role focuses on building a cutting-edge identity orchestration platform and offers a hybrid work environment with ample opportunities for professional growth and collaboration on exc ...

Senior Staff Engineer, Developer Productivity & Ecosystem

A leading database software company in Toronto seeks a Senior Staff Engineer to enhance its developer ecosystem. You will partner with engineering leadership to drive developer velocity and efficiency, optimizing software development tools and services. Ideal candidates have 10+ years of experience in developer ...

Senior Go Engineer Identity Platform, Hybrid + Equity

Starboard Recruitment seeks a Senior Software Engineer (Golang) to join a fast-paced, innovative engineering team in Toronto. This role focuses on building a cutting-edge identity orchestration platform and offers a hybrid work environment with ample opportunities for professional growth and collaboration on exc ...

Senior Staff Software Architect — Enterprise Solutions (Hybrid)

A leading financial institution in Toronto is seeking a Senior Staff Software Engineer to design and implement enterprise-level architecture solutions. The ideal candidate will have over 8 years of experience in software engineering and systems architecture, along with proficiency in cloud solutions like AWS. Th ...

Senior AI Backend Engineer – Hybrid Role

A global leader in information services is looking for a Senior Software Engineer to join their AI-driven team in Toronto. This role involves designing backend services for innovative AI solutions focused on accounting workflows. The ideal candidate should have strong Python skills, experience with AI systems, a ...

ML Engineer, Open Source LLM Inference & Optimization

A leading software solutions company in Toronto seeks a Machine Learning Engineer to optimize and develop advanced deep learning software for LLMs. You will collaborate with product and research teams to create model optimization algorithms and productize deep learning research. Ideal candidates should have stro ...

Inference Performance Engineer, ML Systems & Optimization

A leading AI technology company in Toronto is seeking an experienced software engineer to join their inference model team. This role involves prototyping AI architectural tweaks, developing benchmarking automation, and collaborating closely with silicon teams. Candidates should have over 3 years of experience in ...

Senior Embedded Engineer: Safety Critical Auto (Hybrid)

A leading technology company is seeking an experienced Embedded Software Engineer to develop low-level embedded software for truck control functions. The ideal candidate has over 5 years of experience with ARM microcontrollers and safety-critical projects. This hands-on role collaborates closely with hardware an ...

AI Driven QA Engineer: Agile Testing & Automation

A leading technology firm in Toronto is looking for an Agile Test Engineer to drive quality in software development. This role involves designing and executing comprehensive testing strategies, collaborating with cross-functional teams, and utilizing AI-driven testing tools. Candidates should have 3-5 years of e ...

Senior Site Reliability Engineer

Site Reliability Engineer Location:Toronto, ONOnsite Flexibility:Hybrid — 4 days per week onsiteContract DetailsPosition Type:ContractContract Duration:1 year (extension possible; conversion to permanent possible)Pay Rate:< ...

Staff Backend Engineer

OverviewJob Title:Staff Backend Engineer (SaaS, Data & AI) We’re hiring a Staff Backend Engineer to help design and deliver SaaS products powered by data, machine learning, and AI. This is a hands-on engineering role focused on building scalable backend systems, integrating ML/AI capabilities ...

Senior Director, Program Delivery

Job Description What is the opportunity? RBC's AI Group is scaling rapidly to deliver on our $1 billion AI ambition, deploying transformative AI solutions across credit, fraud detection, market intelligence, pricing optimization, and generative AI applications. As the AI Solutions portf ...

Senior Director, Program Delivery

Job Description What is the opportunity? RBC's AI Group is scaling rapidly to deliver on our $1 billion AI ambition, deploying transformative AI solutions across credit, fraud detection, market intelligence, pricing optimization, and generative AI applications. As the AI Solutions portf ...

Full Stack Engineer with 8090

Shape the future of software at 8090 as a Full Stack Engineer, specializing in Python, Typescript, and web applications. Your role will focus on creating client-focused software solutions and enhancing our software factory.In this customer-facing role, you will need a strong foundation in full-stack de ...

Senior Engineer for Hedge Accounting Solutions

Become a Senior Engineer for Hedge Accounting Solutions at Derivative Path. Utilize your software expertise in a fully remote role to support the unique needs of financial institutions.As a key member of the hedge accounting team, your primary focus will be to design and implement software solutions th ...

Systems Design Specialist Senior

Toronto, Ontario, Canada (Hybrid) We are hiring a Signaling Design Specialist - Senior for our Toronto office. The Signaling Design Specialist - Senior will, among other responsibilities, perform system design, signaling design, analysis, modelling, and simulation to specify communication-b ...

Senior ASIC (Front End) Design Engineer

Join to apply for the Senior ASIC (Front End) Design Engineer role at Ethernovia Continue with Google Continue with Google Join to apply for the Senior ASIC (Front End) Design Engineer role at Ethernovia Get AI-powere ...

Senior ASIC (Front End) Design Engineer

Join to apply for the Senior ASIC (Front End) Design Engineer role at Ethernovia Continue with Google Continue with Google Join to apply for the Senior ASIC (Front End) Design Engineer role at Ethernovia Get AI-powere ...

AI SDLC Automation Specialist & Coach

We are looking for a transformative leader to join our team as an AI SDLC Automation Specialist & Coach. This role is for a visionary software engineer who is passionate about revolutionising the software development lifecycle by leveraging the power of GenAI and agentic development tools like Cursor and GitHub ...

Photonics Data Analysis Engineer

Xanadu’s mission is to build useful quantum computers. We are a team of learners, innovators, and problem solvers, creating technology that has never been built before. Few people get to be a part of something like this—a journey where success can lead to solving some of the world's most challenging problems and ...

RF Systems Engineer

NordSpace ( is a Canadian startup with the mission to advance life on Earth, from space. NordSpace is committed to extremely rapid innovation and development of the most ambitious aerospace projects with the most ambitious team. With divisions spanning everything fromspace robotics to satellites torockets, ...

Full Stack Engineer Elite Hedge Fund

Principal Full Stack Engineer – Hedge FundAbout The Role We are seeking an accomplishedPrincipal Full Stack Engineerto lead the design and development of mission‑critical trading, risk, and analytics platforms at a leading hedge fund. This role is central to building the systems tha ...

RF Systems Engineer

NordSpace ( is a Canadian startup with the mission to advance life on Earth, from space. NordSpace is committed to extremely rapid innovation and development of the most ambitious aerospace projects with the most ambitious team. With divisions spanning everything fromspace robotics to satellites torockets, ...

Forward Deployed Engineer

Banyan Software provides the best permanent home for successful enterprise software companies, their employees, and customers. We are on a mission to acquire, build and grow great enterprise software businesses all over the world that have dominant positions in niche vertical markets. In recent years, Banyan was ...

Experienced Release Train Engineer TD Securities

Join TD Securities as an experienced Release Train Engineer, facilitating Agile practices for effective and compliant delivery in finance. This position requires strong leadership in complex environments.As the Release Train Engineer, you will guide teams and stakeholders through the Agile Release Trai ...

Senior Front End Engineer – GenAI & UX Integration Contract

A leading software consulting firm is seeking a Software Engineer with a Front-End focus and GenAI integration experience in Toronto. The successful candidate will possess a minimum of 5 years in web application development, with expertise in REST APIs, Agile methodologies, and automated testing tools. This cont ...

Senior Java Engineer: AWS, Terraform, Python | Cloud

A leading technology firm in Toronto is seeking a Senior Software Engineer to build scalable cloud-based solutions using Java and AWS. The role requires strong hands-on experience in software development and architecture, along with excellent problem-solving and communication skills. Ideal candidates will have e ...

Senior Data Platform Engineer Scale TB Data & AI

A leading data platform company located in Toronto is seeking a Senior Software Engineer to contribute to their data storage solutions. The successful candidate will have over 6 years of experience in software development, especially with Java and Python, and a passion for complex data challenges. This role incl ...

Global Card Tech Architect & Transformation Leader

A major North American financial institution is seeking a Senior Distinguished Engineer in Toronto, Ontario. This role involves influencing technical direction, mentoring future engineering leaders, and driving improvements in software engineering practices. With a focus on leveraging cloud technologies and advo ...

Senior Java Engineer: AWS, Terraform, Python | Cloud

A leading technology firm in Toronto is seeking a Senior Software Engineer to build scalable cloud-based solutions using Java and AWS. The role requires strong hands-on experience in software development and architecture, along with excellent problem-solving and communication skills. Ideal candidates will have e ...

Global Card Tech Architect & Transformation Leader

A major North American financial institution is seeking a Senior Distinguished Engineer in Toronto, Ontario. This role involves influencing technical direction, mentoring future engineering leaders, and driving improvements in software engineering practices. With a focus on leveraging cloud technologies and advo ...

Senior Full Stack JS Engineer Hybrid Marketing Web Apps

A leading investment research company is seeking a Senior Software Engineer to join its team in Toronto. The role focuses on full-stack JavaScript development, particularly using Vue.js and Node.js. Candidates should have 3+ years of software development experience and a collaborative attitude. This position fol ...

Remote Cloud Python Engineer for Ubuntu Images

A leading open-source software provider is seeking a Software Engineer to develop and improve Ubuntu on public clouds. Candidates should have extensive experience in Python and a strong background in Linux. The role involves quality engineering, collaboration with global teams, and developing tools for a diverse ...

Remote Cloud Python Engineer for Ubuntu Images

A leading open source provider is hiring a Software Engineer to develop, test, and release improvements to Ubuntu on public clouds. Candidates should possess extensive Python experience, a Computer Science degree, and be passionate about the Ubuntu project. The role involves working with teams across the globe, ...

Senior Front End Engineer – GenAI & UX Integration Contract

A leading software consulting firm is seeking a Software Engineer with a Front-End focus and GenAI integration experience in Toronto. The successful candidate will possess a minimum of 5 years in web application development, with expertise in REST APIs, Agile methodologies, and automated testing tools. This cont ...

Global Card Tech Architect & Transformation Leader

A major North American financial institution is seeking a Senior Distinguished Engineer in Toronto, Ontario. This role involves influencing technical direction, mentoring future engineering leaders, and driving improvements in software engineering practices. With a focus on leveraging cloud technologies and advo ...

Backend Engineer, AI Agents Remote

A financial technology company is looking for a Software Engineer II to join their AI Agents team in Ontario, Canada. The ideal candidate will have over 1.5 years of software engineering experience, proficiency in web app development using React or Vue, and skills in API design using Python or Kotlin. This remot ...

Senior Java Engineer: AWS, Terraform, Python | Cloud

A leading technology firm in Toronto is seeking a Senior Software Engineer to build scalable cloud-based solutions using Java and AWS. The role requires strong hands-on experience in software development and architecture, along with excellent problem-solving and communication skills. Ideal candidates will have e ...

Applied AI Engineer: Build Scalable RAG Pipelines & Features

A tech startup specializing in AI is seeking a skilled software engineer to design and implement innovative AI-driven product features. The role involves collaborating with stakeholders from different departments to launch machine learning-powered applications. The ideal candidate should have significant experie ...

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