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

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AEM Front End Engineer (React/Angular)

A leading wealth management organization is seeking a Frontend Software Engineer in Toronto. This role involves designing, building, and maintaining scalable client-side applications. Ideal candidates have experience with Adobe Experience Manager (AEM) and frontend frameworks like React or Angular. Key responsib ...

Senior Mobile Game Engineer II Prototyping to Production

A leading mobile games company in Toronto is seeking a Senior Software Engineer II to contribute to game development and collaboration within a team. Responsibilities include translating ideas into functional prototypes, programming in Unity, and driving code quality. The ideal candidate has over 5 years of expe ...

Senior Full Stack Engineer Ship Real Time PropTech

A leading PropTech company is looking for a Senior Software Engineer in Toronto. You'll build and scale the platform, working across the stack from Angular frontends to Node.js backends. This role offers immediate impact, letting you see your work in production quickly. Ideal candidates possess a strong ownershi ...

Principal Network Automation Architect

A major financial institution in Toronto is seeking a Principal Network Automation Engineer. In this role, you will blend leadership of a small team with your technical expertise in network automation. Responsibilities include designing and implementing network configurations, collaborating with teams to optimiz ...

Senior Electrical Engineer

CyClic Materials is building a resilient circular supply chain for rare earth elements and other critical materials. Through our proprietary MagCycle and REEPure processes, we recover rare earths from end‑of‑life products and transform them into high‑purity materials used in the production of permanent magnets. ...

Technical Director Geotechnical Engineering

**What if you could redefine what’s possible? With us, you can.** You want **Purpose. Growth. Opportunity.** People who get it.We are the home of ambitious, passionate, and innovative world shapers.With an unmatched breadth and depth of engineering, advisory and science-based expertise, our gl ...

Senior Signaling Engineer, Rail and Transit

Senior Signaling EngineerAs a Senior Signaling Engineer, you will be a key technical leader within WSP’s Rail & Transit team, helping shape safe, reliable, and innovative rail systems across Canada. Reporting to the Manager, Rail Systems Engineering, you will collaborate with Chief Engineers, technical ...

Senior Java Developer (with Python, AWS and Terraform)

This is an exciting opportunity to work on high-impact systems in a collaborative and innovative environment. You will contribute to building scalable cloud-based solutions using Java and AWS, while working alongside experienced engineers and domain experts. We are seeking a skilled and passionate S ...

Senior Java Developer

Position: Senior Java Developer (with Python, AWS and Terraform)Type: ContractPay Rate: 75.00/hr - 90.00/hrNote: Final interview will be onsiteWe are seeking a skilled and passionate Senior Software Engineer with strong expertise in Java and AWS to join our technology team ...

Senior Java Developer (with Python, AWS and Terraform)

This is an exciting opportunity to work on high-impact systems in a collaborative and innovative environment. You will contribute to building scalable cloud-based solutions using Java and AWS, while working alongside experienced engineers and domain experts. We are seeking a skilled and passionate S ...

Senior Java Developer (with Python, AWS and Terraform)

This is an exciting opportunity to work on high-impact systems in a collaborative and innovative environment. You will contribute to building scalable cloud-based solutions using Java and AWS, while working alongside experienced engineers and domain experts. We are seeking a skilled and passionate S ...

Azure Data Migration Engineer Contract (1775)

Direct IT Recruiting Inc. provided pay range This range is provided by Direct IT Recruiting Inc.. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$90.00/hr - CA$100.00/hr Direct message the job poster ...

Azure Data Migration Engineer Contract (1775)

Direct IT Recruiting Inc. provided pay range This range is provided by Direct IT Recruiting Inc.. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$90.00/hr - CA$100.00/hr Direct message the job poster ...

Azure Data Migration Engineer Contract (1775)

Direct IT Recruiting Inc. provided pay range This range is provided by Direct IT Recruiting Inc.. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range CA$90.00/hr - CA$100.00/hrDirect message the job poster from Direct IT Recruiti ...

Azure Data Migration Engineer Contract (1775)

Direct IT Recruiting Inc. provided pay range This range is provided by Direct IT Recruiting Inc.. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$90.00/hr - CA$100.00/hr Direct message the job poster ...

Senior Frontend Engineer, Crypto and Alternative Trading Products

Senior Frontend Engineer, Crypto and Alternative Trading ProductsJoin to apply for theSenior Frontend Engineer, Crypto and Alternative Trading Productsrole atQuestrade Financial Group Senior Frontend Engineer, Crypto and Alternative Trading ProductsJoin to apply ...

Senior ML Engineer AI Platform & Ranking Systems

A leading relationship intelligence platform in Toronto is seeking a Senior Machine Learning Engineer to advance their ML engineering capabilities. This role involves owning the ML lifecycle and translating business requirements into robust ML solutions. The ideal candidate has over 5 years of experience in soft ...

Senior Amazon Connect Engineer Remote CCaaS Architect

A leading technology firm is seeking a Senior Customer Experience Software Engineer in Canada. This remote position involves engineering complex contact center applications and requires expertise in AWS solutions and Amazon Connect. Ideal candidates have over 3 years of experience with cloud contact center techn ...

Client Facing AI Engineer — Build Scalable AI Solutions

A leading global consulting firm in Toronto seeks a Forward Deployed AI Engineer to join their engineering team. The role involves developing innovative AI solutions, managing projects throughout the analytics value-chain, and collaborating with clients across various industries on significant challenges. Ideal ...

Remote Senior Backend Engineer AI Driven, C#/.NET

A software company in Canada is looking for a Senior Backend Engineer to design and implement core backend systems for a new SaaS application. The role emphasizes an AI-first mindset, utilizing .NET/C#, Event Sourcing, and CQRS principles, all within a cloud-native environment using AWS and Docker. Ideal candida ...

Remote Java Cloud Engineer Spring & AWS

A leading SaaS company in Toronto is looking for a Software Engineer with over 3 years of experience in developing enterprise-scale cloud applications. The ideal candidate should have expertise in Java, strong knowledge of Object-Oriented programming, and familiarity with CI/CD tools. This position offers a comp ...

Growth Engineer, Frontend or Backend — Impact at Scale

A leading wholesale marketplace in Canada is seeking a Senior Growth Engineer who thrives at the intersection of product, experimentation, and engineering. The role involves owning growth experiments from ideation to execution, focusing on customer-facing features, and collaborating with multiple teams to drive ...

Senior AI Engineer: Generative ML for Capital Markets

A technology solutions provider in Canada is seeking a seasoned Software Engineer to leverage Generative AI and Machine Learning for optimizing workflows in Capital Markets. Candidates should have around 10 years of experience, with significant expertise in AI/ML systems and strong programming skills in Python. ...

SCC Integration Engineer – Rail Systems & Automation

A global mobility solutions company in Toronto is seeking a full-time Supervision Control Center (SCC) Integration Engineer. In this role, you will apply your technical integration expertise, working on subsystems such as SCADA and ATS. You will be responsible for integrating and troubleshooting software/system ...

Pricing Systems Engineer Scalable Rider/Driver Pricing

A leading transportation company in Toronto is seeking a Software Engineer to drive high-impact projects and innovate user solutions. This role requires expertise in Python and Golang, with responsibilities including independently leading features and collaborating with cross-functional teams. The position offer ...

Senior ML Engineer: Production AI Leader & Mentor

A tech company in AI solutions is seeking a Machine Learning Engineer in Toronto, Canada. The role involves leading the development and deployment of ML models, mentoring junior engineers, and collaborating with teams to integrate ML into products. Candidates should have over 10 years of software development exp ...

Enterprise Solutions Architect: Cloud & Digital Transformation

A leading financial institution in Toronto is seeking a Solutions Architect to engineer complex enterprise applications, drive digital transformation, and provide thought leadership in operational technology. The ideal candidate will have over 7 years of software engineering experience and at least 5 years in so ...

Staff Real Time Embedded Architect – WiFi Solutions

A leading network solutions provider in Toronto is seeking a Real-Time Embedded Staff Software Engineer. In this pivotal role, you will drive the architecture and implementation of next-generation Wi-Fi solutions, mentor engineering teams, and enhance embedded application performance on Linux. The ideal candidat ...

Senior Backend Architect for AI Driven Commerce Platform

A leading software firm in Canada is seeking a Principal Engineer to design and develop a core AI-assisted commerce platform. This role involves creating APIs and an orchestration layer that connects AI systems with the firm's commerce infrastructure, ensuring high reliability and security. The ideal candidate s ...

Senior Backend Engineer (Python/Rust) – FinTech Risk Platform

A financial technology firm is seeking a Senior Software Engineer skilled in Python and Rust. This role involves engaging with stakeholders, implementing AWS solutions, and designing data models for financial products. The ideal candidate holds a Bachelor's degree in a related field and possesses experience in m ...

Pricing Systems Engineer Scalable Rider/Driver Pricing

A leading transportation company in Toronto is seeking a Software Engineer to drive high-impact projects and innovate user solutions. This role requires expertise in Python and Golang, with responsibilities including independently leading features and collaborating with cross-functional teams. The position offer ...

Client Facing AI Engineer — Build Scalable AI Solutions

A leading global consulting firm in Toronto seeks a Forward Deployed AI Engineer to join their engineering team. The role involves developing innovative AI solutions, managing projects throughout the analytics value-chain, and collaborating with clients across various industries on significant challenges. Ideal ...

Remote Java Cloud Engineer Spring & AWS

A leading SaaS company in Toronto is looking for a Software Engineer with over 3 years of experience in developing enterprise-scale cloud applications. The ideal candidate should have expertise in Java, strong knowledge of Object-Oriented programming, and familiarity with CI/CD tools. This position offers a comp ...

Growth Engineer, Frontend or Backend — Impact at Scale

A leading wholesale marketplace in Canada is seeking a Senior Growth Engineer who thrives at the intersection of product, experimentation, and engineering. The role involves owning growth experiments from ideation to execution, focusing on customer-facing features, and collaborating with multiple teams to drive ...

Remote Senior Backend Engineer AI Driven, C#/.NET

A software company in Canada is looking for a Senior Backend Engineer to design and implement core backend systems for a new SaaS application. The role emphasizes an AI-first mindset, utilizing .NET/C#, Event Sourcing, and CQRS principles, all within a cloud-native environment using AWS and Docker. Ideal candida ...

Backend Data Intelligence Engineer AI Powered Insights

A leading technology company in Toronto seeks a skilled Backend Software Engineer to join their Data Intelligence team. You will develop backend services to support analytics and reporting, work closely with cross-functional teams, and design APIs for BI tool integration. Ideal candidates have a Bachelor's in Co ...

Senior ML Engineer: Production AI Leader & Mentor

A tech company in AI solutions is seeking a Machine Learning Engineer in Toronto, Canada. The role involves leading the development and deployment of ML models, mentoring junior engineers, and collaborating with teams to integrate ML into products. Candidates should have over 10 years of software development exp ...

Senior Backend Engineer (Python/Rust) – FinTech Risk Platform

A financial technology firm is seeking a Senior Software Engineer skilled in Python and Rust. This role involves engaging with stakeholders, implementing AWS solutions, and designing data models for financial products. The ideal candidate holds a Bachelor's degree in a related field and possesses experience in m ...

Senior ML Engineer AI Platform & Ranking Systems

A leading relationship intelligence platform in Toronto is seeking a Senior Machine Learning Engineer to advance their ML engineering capabilities. This role involves owning the ML lifecycle and translating business requirements into robust ML solutions. The ideal candidate has over 5 years of experience in soft ...

SCC Integration Engineer – Rail Systems & Automation

A global mobility solutions company in Toronto is seeking a full-time Supervision Control Center (SCC) Integration Engineer. In this role, you will apply your technical integration expertise, working on subsystems such as SCADA and ATS. You will be responsible for integrating and troubleshooting software/system ...

Senior Backend Engineer, AI/LLM (Remote)

A leading AI technology firm in Ottawa is seeking a Senior Software Engineer, Backend to help design and build their core AI technology. This role involves writing code, shaping the product, and driving project initiatives. Candidates should have at least 5 years of experience in building production-ready applic ...

Backend Data Intelligence Engineer AI Powered Insights

A leading technology company in Toronto seeks a skilled Backend Software Engineer to join their Data Intelligence team. You will develop backend services to support analytics and reporting, work closely with cross-functional teams, and design APIs for BI tool integration. Ideal candidates have a Bachelor's in Co ...

Senior Backend Engineer (Python/Rust) – FinTech Risk Platform

A financial technology firm is seeking a Senior Software Engineer skilled in Python and Rust. This role involves engaging with stakeholders, implementing AWS solutions, and designing data models for financial products. The ideal candidate holds a Bachelor's degree in a related field and possesses experience in m ...

Senior ML Engineer: Production AI Leader & Mentor

A tech company in AI solutions is seeking a Machine Learning Engineer in Toronto, Canada. The role involves leading the development and deployment of ML models, mentoring junior engineers, and collaborating with teams to integrate ML into products. Candidates should have over 10 years of software development exp ...

Enterprise Solutions Architect: Cloud & Digital Transformation

A leading financial institution in Toronto is seeking a Solutions Architect to engineer complex enterprise applications, drive digital transformation, and provide thought leadership in operational technology. The ideal candidate will have over 7 years of software engineering experience and at least 5 years in so ...

Senior Backend Architect for AI Driven Commerce Platform

A leading software firm in Canada is seeking a Principal Engineer to design and develop a core AI-assisted commerce platform. This role involves creating APIs and an orchestration layer that connects AI systems with the firm's commerce infrastructure, ensuring high reliability and security. The ideal candidate s ...

Senior Amazon Connect Engineer Remote CCaaS Architect

A leading technology firm is seeking a Senior Customer Experience Software Engineer in Canada. This remote position involves engineering complex contact center applications and requires expertise in AWS solutions and Amazon Connect. Ideal candidates have over 3 years of experience with cloud contact center techn ...

Enterprise Solutions Architect: Cloud & Digital Transformation

A leading financial institution in Toronto is seeking a Solutions Architect to engineer complex enterprise applications, drive digital transformation, and provide thought leadership in operational technology. The ideal candidate will have over 7 years of software engineering experience and at least 5 years in so ...

SCC Integration Engineer – Rail Systems & Automation

A global mobility solutions company in Toronto is seeking a full-time Supervision Control Center (SCC) Integration Engineer. In this role, you will apply your technical integration expertise, working on subsystems such as SCADA and ATS. You will be responsible for integrating and troubleshooting software/system ...

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