163,051+ Lead Software Engineer Pythonreact Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Senior Full Stack Engineer for SaaS

Take on a Senior Full Stack Engineer role at Trevor Frances Recruitment, focusing on innovative SaaS solutions. Combine hands-on development and strategic thinking in a dynamic environment.You're suited for this position if you have comprehensive front-end and back-end development skills. Your role involves ...

Research Engineer in Decentralized Finance

Join Berachain as a Research Engineer and contribute to innovative decentralized finance solutions with a focus on blockchain technologies. This role suits those passionate about modern engineering practices and thrives in a collaborative space in Toronto.Candidates should have over five years of software de ...

Machine Learning Engineer in Toronto

Amazon is seeking a Machine Learning Engineer in Toronto to develop impactful Generative AI projects for customer service. Your work will directly improve how we deliver exceptional experiences.You'll be responsible for building and scaling systems that provide insights into customer interactions, supporting ...

Senior Engineer Search Infrastructure at Autodesk

Join Autodesk as a Senior Software Engineer dedicated to Search Infrastructure. Your skills will be critical in enhancing search experiences across Fusion, Forma, and Flow within Autodesk’s Industry Clouds.In this role, you will utilize your expertise in Java and cloud infrastructure to build scalable ...

IT Field Support Engineer in Toronto

Join Axiom Technologies as an IT Field Support Engineer in Toronto, Ontario, focusing on both desktop and field support roles. This contractor position demands a proactive approach to resolving end-user issues.The position requires effective troubleshooting skills in hardware, software, and network-related t ...

NVIDIA Senior Engineer AI Inference Solutions

Drive innovation at NVIDIA as a Senior Software Engineer in AI inference. Collaborate directly with customers to optimize LLM serving and performance scalability.This impactful role involves partnering closely with engineering teams at NVIDIA to refine large-scale LLM serving solutions. Engage in both ...

Senior System Engineer in Signaling Design

Elevate your engineering career as a Senior System Engineer focused on signaling design. Join a team that develops train control subsystems with a commitment to safety standards and best practices.This role requires over 5 years of solid systems engineering expertise in developing databases and conduct ...

AI Test Engineer with Cognizant in Toronto

Join Cognizant as an AI Automation Test Engineer to innovate testing processes in Toronto. Implement AI-driven solutions to improve testing efficiency and accuracy in a hybrid working environment.This role is perfect for experienced professionals with 5-10 years in software engineering or QA/testing, i ...

Backend Engineer for Distributed Systems

Unlock innovative solutions at Movable Ink as a Backend Engineer focused on Distributed Systems. Drive large-scale data insights while developing cutting-edge AI-based software solutions.As a key member of Movable Ink's Activation Team, you will design and implement distributed systems that operate at ...

Senior AI Engineer in Generative Systems

We are looking for an experienced AI Engineer to develop Generative and Agentic AI solutions. Utilize large language models (LLMs) and orchestration frameworks to enhance enterprise AI capabilities.As a key player in this role, you'll blend software engineering with the latest advancements in AI research. Yo ...

AI Systems Optimization Engineer

Become a key player in AI technology as a Performance Engineer focused on enhancing software performance and system optimizations for ML applications. Work within an innovative Runtime Team to push the boundaries of x86 architecture performance.This role combines expertise in performance engineering with alg ...

AWS Neuron ML Kernel Engineer

# AWS Neuron ML Kernel EngineerAmazonFull TimejuniorToronto, Ontario, CAPosted 2 days ago## Job DescriptionJoin the Annapurna Labs team at Amazon Web Services as a Machine Learning Kernel Performance Engineer. Focus on designing high-performance kernels for AWS's custom ML accelerators, such as Inferentia and Tr ...

Hydrology and Water Resources Engineer

Take on the role of Hydrology and Water Resources Engineer. Deliver expert water resource planning and management while leveraging industry-standard modeling tools in a team-driven setting.This position calls for a dedicated professional with a strong background in water resources engineering. With a Bachelo ...

QA Engineer Specializing in Salesforce

Join Avanciers as a Salesforce QA Engineer in Toronto, ON, and thrive in a hybrid work setting. Your focus on functional and regression testing will play a vital role in delivering strong Salesforce solutions.In this full-time role, you will leverage over three years of software testing experience, particula ...

Konrad Senior Developer Full Stack Focus

Advance your career as a Senior Developer at Konrad, specializing in Full Stack Development for web applications. Be a part of a culture that prioritizes innovation and quality.In this Senior Developer position, you’ll utilize your 5+ years of experience to contribute to the development and delivery of impac ...

Docebo Senior Product Engineer Needed

Elevate your career as a Senior Product Engineer at Docebo, designing AI-powered learning experiences. Confront software challenges head-on while leading innovative development teams.Your role will emphasize technical leadership and hands-on development, preparing you to tackle complex problems effectively. ...

Senior Engineer Session Replay Development

Explore new frontiers in software at Sentry as a Senior Engineer in the Session Replay domain. Leverage your expertise in Python and React to enhance developer tools in a collaborative setting.In your role, you’ll contribute to designing and implementing features allowing developers to replay users' experien ...

Senior Engineer for Data Pipelines at Fivetran

Become a Senior Software Engineer at Fivetran, focused on enhancing our data pipeline services from the Toronto office. Enjoy the benefits of a hybrid work model while contributing to key database projects.In this role, you will be integral to driving performance and reliability improvements. You will levera ...

Senior Java Engineer Multitenant Solutions

Unlock your potential as a Senior Staff Engineer, focused on crafting secure, high-performance applications at scale. Your role will involve leveraging Java and modern AI tools to drive innovation.In this pivotal role, you will architect and develop multitenant systems while working collaboratively with prod ...

Director, US Retirement Technology

We are undertaking a multi-year transformation into a more digital, customer‑centric organization. As a part of this transformation, we are building digital solutions based on the latest technologies.The customer is the focus of everything we do, and millions of customers rely on our products daily. We ...

Director, US Retirement Technology

We are undertaking a multi-year transformation into a more digital, customer‑centric organization. As a part of this transformation, we are building digital solutions based on the latest technologies. The customer is the focus of everything we do, and millions of customers rely on our products dail ...

Cresta Senior ML Engineer Challenge

Take your expertise to the next level as a Senior Machine Learning Engineer at Cresta, where you will leverage cutting-edge AI to enhance call center services. Join a mission-driven team in Silicon Valley.Cresta is seeking a Senior Machine Learning Engineer to support its rapid growth in the AI space. This u ...

SecDevOps Specialist

Overview Requisition ID: Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. We are looking for an experienced DevOps Engineer to join our Authentication Services team to help build the next generation of Authentication Services fo ...

Hiring for Quality Engineer, Toronto, ON

Title: Quality EngineerLocation: Toronto, ONDuration: 12 monthsJob Description:We are seeking a dedicated and skilled Quality Engineer to join our team on a hybrid basis. This role requires a commitment to excellence in API testing, test automation, and framewo ...

Firmware Engineer, Sr Staff

Senior Staff Firmware EngineerWe’re building the world’s most advanced die‑to‑die (D2D) semiconductor IP and chiplet solutions for the chiplet ecosystem. With the recent advance driven by the UCIe consortium, Qualcomm is looking to push forward Moore’s law by taking advantage of chiplet standardization ...

Senior Civil Engineer

Mantecon Partners is an agile, full-service, multi-disciplinary engineering firm specializing in structural, mechanical, electrical and civil engineering. Our staff are passionate, innovative and engaged professionals working together in the community and on engineering projects across the province. Working with ...

Release Train Engineer, TD Securities

Job DetailsWork Location: Toronto, Ontario, Canada Hours: 37.5 Line of Business: Technology Solutions Pay Details: $96,900 - $136,800 CAD ResponsibilitiesAct as primary facilitator and coach for the Agile Release Train (ART), guiding teams, Scrum Masters, Product Owners, and stakeholders in A ...

Senior Product Engineer, Canada

About the Role As a Product Engineer at Ashby, you will own end‑to‑end projects across the product and design spectrum. You will research competitors, write product specifications, create wireframes, and deliver features that impact tens of thousands of daily users. Responsibilities </h3 ...

Senior Product Engineer, Canada

About the Role As a Product Engineer at Ashby, you will own end‑to‑end projects across the product and design spectrum. You will research competitors, write product specifications, create wireframes, and deliver features that impact tens of thousands of daily users.ResponsibilitiesDesign and ...

Senior Offensive Security Engineer SAST, DAST, SCA, IAST

Certified Senior Offensive Security Engineer - SAST, DAST, SCA, IAST Role Overview: You will bring deep offensive security expertise to the agentic AI vulnerability program. You will determine what is truly exploitable, identify how vulnerabilities chain into real attacks, and validate that AI-generated fixes cl ...

Senior Offensive Security Engineer SAST, DAST, SCA, IAST

Certified Senior Offensive Security Engineer - SAST, DAST, SCA, IAST Role Overview: You will bring deep offensive security expertise to the agentic AI vulnerability program. You will determine what is truly exploitable, identify how vulnerabilities chain into real attacks, and validate that AI-ge ...

Senior Product Engineer, Canada

About the Role As a Product Engineer at Ashby, you will own end‑to‑end projects across the product and design spectrum. You will research competitors, write product specifications, create wireframes, and deliver features that impact tens of thousands of daily users. Responsibilities </h3 ...

Product Engineer Full Remote

About the job Product Engineer - Full Remote Job Opportunity: Senior Full-Stack Developer (Focus Backend Python) Location : Fully Remote (PST Timezone) Start Date : ASAP ️ Languages : English required We're growing our team to support t ...

Hydrogeologist

Position Description Lead and contribute to a variety of hydrogeological and environmental projects while collaborating with multidisciplinary teams across diverse engineering divisions in a dynamic and growth-oriented environment. Apply advanced technical expertise in groundwater assessm ...

Senior ASIC Verification Engineer

Overview Headquartered in Ottawa, BTA Design serves the electronic design community in Canada and beyond, specializing in ASIC and FPGA design and verification, and embedded software development services. We augment and enhance our clients’ teams and accelerate the development of complete designs. We’re adaptabl ...

Electrical Engineer in Training

Electrical Engineer-in-Training Join BBA Consultants and actively contribute to major electrical engineering projects, from early business stages to onsite equipment commissioning.ResponsibilitiesPrepare deliverables that meet BBA and client standards.Develop design deliverables und ...

Senior Engineering Professional

Hire Resolve is partnering with established and growing organisations across Canada to recruit experienced mid-senior to senior-level engineering professionals. These opportunities are ideal for engineers with strong technical expertise, proven project delivery experience, an ...

Senior Product Engineer, Canada

About the Role As a Product Engineer at Ashby, you will own end‑to‑end projects across the product and design spectrum. You will research competitors, write product specifications, create wireframes, and deliver features that impact tens of thousands of daily users. Responsibilities </h3 ...

Senior Associate – Cyber Security Forward Deployed Engineer

Job Summary Senior Associate – Cyber Security Forward Deployed Engineer – is a multi‑faceted technologist with strong AI, cloud, and application security focus. The role combines hands‑on engineering with leadership of cross‑functional pods, translating client ambiguity into production‑ready solut ...

Lead Database & Geographic Information System (GIS) Geologist

Lead Database & Geographic Information System (GIS) Geologist Department: Exploration Reports to: Vice President, Exploration Location: Headquarters, Toronto, ON Blue Moon Metals is seeking a Lead Database & Geographic Information System (GIS) Geolo ...

Lead Database & Geographic Information System (GIS) Geologist

Lead Database & Geographic Information System (GIS) Geologist Department: Exploration Reports to: Vice President, Exploration Location: Headquarters, Toronto, ON Blue Moon Metals is seeking a Lead Database & Geographic Information System (GIS) Geolo ...

Principal Research Scientist

**Position Overview** Autodesk is leading the transformation of the AEC industry, integrating AI technology into ourproducts. We're enhancing our applications with cloud-native capabilities, including data at scale, edge computing, AI-based solutions, and advanced 3D modeling and graphics. This innovation is ha ...

Underground Mining Engineer Consultant Sudbury or Toronto, ON

Underground Mining Engineer Consultant - Sudbury or Toronto, ON, SRK Consulting is an independent, international consulting practice, providing globally integrated consulting services to the international mining and metals sector.We are seeking a Underground Mining Engineer Consultant.Descrip ...

Underground Mining Engineer Consultant Sudbury or Toronto, ON

Underground Mining Engineer Consultant - Sudbury or Toronto, ON, SRK Consulting is an independent, international consulting practice, providing globally integrated consulting services to the international mining and metals sector. We are seeking a Underground Mining Engineer Consultant. < ...

Senior Site Reliability Engineer, Kong Konnect

Senior Site Reliability Engineer, Kong Konnect This range is provided by Kong Inc. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range CA$144,780.00/yr - CA$202,825.00/yrAre you ready to power the World's connections?If ...

Senior Site Reliability Engineer, Kong Konnect

Senior Site Reliability Engineer, Kong Konnect This range is provided by Kong Inc. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$144,780.00/yr - CA$202,825.00/yr Are you ready to power the World ...

Senior/Staff Security Engineer

EvenUp is on a mission to close the justice gap using technology and AI. We empower personal injury lawyers and victims to get the justice they deserve. Our products enable law firms to secure faster settlements, higher payouts, and better outcomes for victims injured through no fault of their own in vehicle col ...

Overhead Catenary System (OCS) Design Engineer

Overhead Catenary System (OCS) Design Engineer Date: 19 Mar 2026 Location: Toronto, ON, CA Company: Alstom At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, s ...

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