255,888+ Java Fullstack Developer With Reactjs Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Part Time Cloud Solutions Architect for Public Sector

A technology solutions firm in Toronto is seeking a part-time GSIC EMIN Solution Designer. The ideal candidate will have expertise in cloud technology, Java, .NET, and modern web technologies. Responsibilities include designing technology solutions and participating in the modernization of legacy systems. This r ...

Senior QA Automation Engineer Banking UI/API

A technology company in Toronto is seeking an experienced QA Automation Engineer to perform automation testing on applications, including UI and APIs. The ideal candidate has over 7 years of QA Automation experience, particularly in the banking domain, and is proficient in automation frameworks like Selenium and ...

Senior Software Engineer Enterprise Platform (Hybrid)

A leading technology company in Toronto is looking for a Senior Software Engineer to enhance its enterprise products. You'll design and deploy scalable features while mentoring fellow engineers. Ideal candidates will have over five years' experience with backend services and APIs, strong skills in Java or Kotlin ...

Backend Engineer Metrics & Observability Platform

A tech company in Toronto is seeking a Backend Engineer for their Metrics Platform. The role involves designing ingestion pipelines and implementing time-series data storage and analytics. Candidates should have over 5 years of experience in backend systems, be proficient in Go, Java, or Python, and have experie ...

Software Engineer & PRM Systems Lead

A leading global technology company seeks a Software Development Engineer in Toronto to develop solutions for automating operational compliance. This role impacts workforce management and entails working with Java, implementing solutions across various business domains. Ideal candidates will have over 3 years of ...

Senior Cloud Platform Engineer — Enterprise Cloud & Kubernetes

A leading financial institution in Toronto seeks an experienced individual to join their Modern App Platform Engineering team. The role involves developing, managing, and maintaining cloud platforms and services, driving a cloud transformation. Candidates should possess strong development skills in languages lik ...

OCI Cloud Engineer — Architect High Performance Microservices

A leading technology innovation firm in Toronto is seeking a Cloud Engineer specializing in Oracle Cloud Infrastructure (OCI). In this role, you will architect scalable microservices, automate infrastructure, and optimize systems. The ideal candidate has a deep mastery of OCI services, proficiency in Java, and e ...

Guidewire BillingCenter QA Engineer — Test Automation & API

A software solutions company is hiring a Quality Engineer specializing in Guidewire BillingCenter to support Insurance Suite implementations. The role includes responsibilities in test planning, automation, and defect management. Ideal candidates should have strong skills in Core Java and API testing, with famil ...

Backend Engineer, Consumer — Microservices Migration (Hybrid)

A leading meal delivery service in Toronto is looking for a talented software engineer to enhance back-end services and lead architecture migrations. This role is essential for improving scalability and reliability while also mentoring junior engineers. The ideal candidate will have strong skills in programming ...

Part Time Cloud Solutions Architect for Public Sector

A technology solutions firm in Toronto is seeking a part-time GSIC EMIN Solution Designer. The ideal candidate will have expertise in cloud technology, Java, .NET, and modern web technologies. Responsibilities include designing technology solutions and participating in the modernization of legacy systems. This r ...

Data Platform Architect & Associate Director

A leading financial information services provider in Toronto is seeking an experienced Associate Director/Lead Data Engineer to lead the design of data solutions on modern cloud platforms, including Snowflake and AWS. The ideal candidate has over 8 years of data engineering experience, with strong skills in Pyth ...

Senior QA Automation Engineer Banking UI/API

A technology company in Toronto is seeking an experienced QA Automation Engineer to perform automation testing on applications, including UI and APIs. The ideal candidate has over 7 years of QA Automation experience, particularly in the banking domain, and is proficient in automation frameworks like Selenium and ...

Low Latency Backend Engineer – Finance & Trading

A global staffing and consulting firm is seeking a Backend Engineer to develop high-performance systems for a leading hedge fund. The ideal candidate will have 5+ years of experience, expertise in Python, Java, or C++, and a strong background in data-intensive systems. This role requires collaboration with vario ...

Backend Engineer, Consumer — Microservices Migration (Hybrid)

A leading meal delivery service in Toronto is looking for a talented software engineer to enhance back-end services and lead architecture migrations. This role is essential for improving scalability and reliability while also mentoring junior engineers. The ideal candidate will have strong skills in programming ...

Data Platform Architect & Associate Director

A leading financial information services provider in Toronto is seeking an experienced Associate Director/Lead Data Engineer to lead the design of data solutions on modern cloud platforms, including Snowflake and AWS. The ideal candidate has over 8 years of data engineering experience, with strong skills in Pyth ...

Senior Data Platform Engineer Scale TB/PB Pipelines

A fast-growing startup in Toronto is seeking a Data Engineer to build and optimize scalable data platforms. The role involves tackling complex backend challenges and engineering solutions for a diverse range of data practices. Candidates should be proficient in Java and Python, with comprehensive knowledge of da ...

Senior Backend Architect Payments Platform

A global leader in interactive entertainment is seeking a Principal Software Engineer for core technology in Toronto. The role involves designing backend applications in AWS, optimizing existing services, and collaborating with teams to drive innovation in gaming experiences. Candidates should have a degree in C ...

Backend Engineer Metrics & Observability Platform

A tech company in Toronto is seeking a Backend Engineer for their Metrics Platform. The role involves designing ingestion pipelines and implementing time-series data storage and analytics. Candidates should have over 5 years of experience in backend systems, be proficient in Go, Java, or Python, and have experie ...

OCI Cloud Engineer — Architect High Performance Microservices

A leading technology innovation firm in Toronto is seeking a Cloud Engineer specializing in Oracle Cloud Infrastructure (OCI). In this role, you will architect scalable microservices, automate infrastructure, and optimize systems. The ideal candidate has a deep mastery of OCI services, proficiency in Java, and e ...

Senior QA Automation Engineer Banking UI/API

A technology company in Toronto is seeking an experienced QA Automation Engineer to perform automation testing on applications, including UI and APIs. The ideal candidate has over 7 years of QA Automation experience, particularly in the banking domain, and is proficient in automation frameworks like Selenium and ...

Part Time Cloud Solutions Architect for Public Sector

A technology solutions firm in Toronto is seeking a part-time GSIC EMIN Solution Designer. The ideal candidate will have expertise in cloud technology, Java, .NET, and modern web technologies. Responsibilities include designing technology solutions and participating in the modernization of legacy systems. This r ...

Data Platform Architect & Associate Director

A leading financial information services provider in Toronto is seeking an experienced Associate Director/Lead Data Engineer to lead the design of data solutions on modern cloud platforms, including Snowflake and AWS. The ideal candidate has over 8 years of data engineering experience, with strong skills in Pyth ...

Senior Data Platform Engineer Scale TB/PB Pipelines

A fast-growing startup in Toronto is seeking a Data Engineer to build and optimize scalable data platforms. The role involves tackling complex backend challenges and engineering solutions for a diverse range of data practices. Candidates should be proficient in Java and Python, with comprehensive knowledge of da ...

Part Time Cloud Solutions Architect for Public Sector

A technology solutions firm in Toronto is seeking a part-time GSIC EMIN Solution Designer. The ideal candidate will have expertise in cloud technology, Java, .NET, and modern web technologies. Responsibilities include designing technology solutions and participating in the modernization of legacy systems. This r ...

Data ML Engineer

Direct message the job poster from Flexton Inc. Required tech languages : SQL, Python, Java/Scala Must have skillsAnalyze data set and provide insights Contribute to team discussions and process solutions. Able to interact with business partners on all spectrums. Seniority levelMid-Senior lev ...

Senior Software Engineer Global Scale Systems

A global staffing and consulting firm is seeking a Software Engineer V to design architectures that support systems for billions. You will focus on high-traffic services, mentoring engineers, and influencing product strategies. Ideal candidates have expertise in modern programming languages such as Python and Ja ...

Senior Software Engineer Enterprise Platform (Hybrid)

A leading technology company in Toronto is looking for a Senior Software Engineer to enhance its enterprise products. You'll design and deploy scalable features while mentoring fellow engineers. Ideal candidates will have over five years' experience with backend services and APIs, strong skills in Java or Kotlin ...

Software Engineer & PRM Systems Lead

A leading global technology company seeks a Software Development Engineer in Toronto to develop solutions for automating operational compliance. This role impacts workforce management and entails working with Java, implementing solutions across various business domains. Ideal candidates will have over 3 years of ...

Senior Cloud Platform Engineer — Enterprise Cloud & Kubernetes

A leading financial institution in Toronto seeks an experienced individual to join their Modern App Platform Engineering team. The role involves developing, managing, and maintaining cloud platforms and services, driving a cloud transformation. Candidates should possess strong development skills in languages lik ...

Senior QA Automation Engineer Banking UI/API

A technology company in Toronto is seeking an experienced QA Automation Engineer to perform automation testing on applications, including UI and APIs. The ideal candidate has over 7 years of QA Automation experience, particularly in the banking domain, and is proficient in automation frameworks like Selenium and ...

Senior Software Engineer Enterprise Platform (Hybrid)

A leading technology company in Toronto is looking for a Senior Software Engineer to enhance its enterprise products. You'll design and deploy scalable features while mentoring fellow engineers. Ideal candidates will have over five years' experience with backend services and APIs, strong skills in Java or Kotlin ...

Guidewire BillingCenter QA Engineer — Test Automation & API

A software solutions company is hiring a Quality Engineer specializing in Guidewire BillingCenter to support Insurance Suite implementations. The role includes responsibilities in test planning, automation, and defect management. Ideal candidates should have strong skills in Core Java and API testing, with famil ...

Senior Data Platform Engineer Scale TB/PB Pipelines

A fast-growing startup in Toronto is seeking a Data Engineer to build and optimize scalable data platforms. The role involves tackling complex backend challenges and engineering solutions for a diverse range of data practices. Candidates should be proficient in Java and Python, with comprehensive knowledge of da ...

Senior Software Engineer Enterprise Platform (Hybrid)

A leading technology company in Toronto is looking for a Senior Software Engineer to enhance its enterprise products. You'll design and deploy scalable features while mentoring fellow engineers. Ideal candidates will have over five years' experience with backend services and APIs, strong skills in Java or Kotlin ...

Senior MTS Software Eng. Data Platform

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthus ...

Senior MTS Software Eng. Data Platform

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthus ...

Sr Software Engineer

Job DescriptionInsight Global is seeking a strong resource to support development and enhancement of core transaction management systems across equities, listed derivatives, and OTC products. The successful candidate will own delivery of complex features and modules end-to-end in C# and Java, with the abilit ...

Sr Software Engineer

Job Description Insight Global is seeking a strong resource to support development and enhancement of core transaction management systems across equities, listed derivatives, and OTC products. The successful candidate will own delivery of complex features and modules end-to-end in C# and Java, wi ...

Sr. Generative Design Lead (AEC)

Sr. Generative Design Lead (AEC) Location: 100% Remote (North America) About the Slate Ai At Slate Technologies we are bringing fresh ideas and technology‑driven tools to the construction industry, leveraging AI, data science and machine learning to help our customers build better. ...

Dynamic Developer Role in Real Time Event Streaming

Impress in a Developer role within cutting-edge event streaming technologies. Bring your experience in Kafka and Kubernetes to a team dedicated to building high-quality, secure software solutions.This position requires a highly experienced developer with 10+ years in software development. You will be respons ...

Onsite Senior Software Developer for Cognos and Reporting Solutions

Advance your career as a Senior Software Developer with expertise in Cognos and SQL. This onsite position in Toronto focuses on developing tested applications from technical specifications in a collaborative environment.With 7-10 years of experience in public sector or large business IT transformation, you w ...

Oncoustics Full Stack Development Job

Be a key player at Oncoustics, Toronto, as a Full Stack Developer. Your role focuses on creating transformative AI technologies for clinical use, improving patient diagnostics.The Full Stack Developer position at Oncoustics requires collaboration across product management and development teams. This role dem ...

Principal Engineer Web Experience & Performance

Shape web experience and performance as a Principal Engineer. Define and lead strategic initiatives for web architecture while ensuring high standards in developer experience and platform reliability.In this key role, you will guide the technical vision for the web platform. Engage with cross-functional team ...

IT Developer (Level 3) at Leon's Home Office

Contribute to innovative software solutions as an IT Developer (Level 3) at Leon's in North York. This in-office role emphasizes collaboration using Agile methodology.In this Level 3 Developer position, you'll play a crucial role in the Software Development Life Cycle. With over 5 years of experience, you wi ...

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 ...

Dynamic Developer Role in Real Time Event Streaming

Impress in a Developer role within cutting-edge event streaming technologies. Bring your experience in Kafka and Kubernetes to a team dedicated to building high-quality, secure software solutions.This position requires a highly experienced developer with 10+ years in software development. You will be respons ...

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 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 ...

IT Developer (Level 3) at Leon's Home Office

Contribute to innovative software solutions as an IT Developer (Level 3) at Leon's in North York. This in-office role emphasizes collaboration using Agile methodology.In this Level 3 Developer position, you'll play a crucial role in the Software Development Life Cycle. With over 5 years of experience, ...

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    Java Fullstack Developer With Reactjs Jobs in Toronto Job Search Guide, Trends and Insights