197 react js developer jobs at 117 companies in Newfane, NY
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Senior Software Engineer, Frontend (React-Native)
Canada or Ontario or British Columbia or Toronto or Vancouver
$116k-$145k/yr RemoteFull Time
5+ YOE5+ years building web and mobile apps with React Native and React; experience with native modules (Swift/Kotlin/Objective-C/Java), state management, CI/CD, REST/GraphQL, mentoring, and payments preferred.
React Native, React.js, Redux, Context API, JavaScript, TypeScript, HTML, CSS, React Navigation, Expo, Swift, Kotlin, Objective-C, Java, RESTful APIs, GraphQL, Fastlane, Bitrise, App Center, Git, WebAssembly, PWAs, OAuth
1mo
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Senior Software Engineer (Golang, React)
Toronto or United States
$125k-$150k/yr RemoteFull Time
5+ YOE5+ years professional experience building web applications and services; experience with Golang, React, C#, TypeScript/JavaScript, Node JS, Kubernetes, PostgreSQL/SQL Server, GCP, testing and CI/CD; Agile/Scrum experience.
Golang, React, C#, TypeScript, JavaScript, Node JS, Kubernetes, PostgreSQL, SQL Server, GCP, Visual Studio Code, gRPC, RESTful, Jira, Confluence, Cypress, RestSharp, GIT, Claude Code, CI/CD
2mo
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Senior UI Developer (.NET/React)
Toronto, Ontario, Canada
$94k-$142k/yr HybridFull Time
Proficiency in .NET/C#, React, HTML5, CSS3, and JavaScript; experience in Windows and web UI development; knowledge of JSON/XML, REST APIs; TypeScript preferred; bachelor’s degree or equivalent experience.
.NET/C#, React, HTML5, CSS3, JavaScript, Windows, JSON, XML, REST API, TypeScript
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Senior UI Developer (.NET/React)
Toronto, Ontario, Canada
$94k-$142k/yr HybridFull Time
Proficiency in .NET/C#, React, HTML5, CSS3, and JavaScript; experience in Windows and Web UI development; knowledge of JSON/XML and REST integrations; familiarity with test frameworks; Bachelor's degree or equivalent experience.
.NET, C#, React, HTML5, CSS3, JavaScript, JSON, XML, REST API, TypeScript
2mo
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Senior Full-Stack Developer (Ruby on Rails/React)
Toronto, Ontario, Canada
OnsiteFull Time
8+ YOE8+ years programming; 5+ years Ruby on Rails; expertise in at least one modern JS frontend (ideally React); robust feature development and testing; cloud experience (AWS preferred).
Ruby on Rails, React, AWS
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Senior Mobile Developer (React Native)
Calgary or Toronto or Canada
HybridFull Time
5+ YOE5+ years React Native with TypeScript/JavaScript; experience building enterprise mobile apps; familiarity with FastLane, Expo, App/Play stores, TestFlight; strong GraphQL front-end with microservices.
React Native, TypeScript, JavaScript, FastLane, Expo, App Stores, Play Stores, TestFlight, GraphQL, Node, Serverless, MongoDB, AWS
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Senior Software Engineer, Frontend (React-Native)
Toronto or Vancouver
$116k-$145k/yr RemoteFull Time
5+ YOE5+ years building web and mobile apps with strong React Native expertise; experience with React.js, state management (Redux/Context), TypeScript/JavaScript, native iOS/Android modules, REST/GraphQL, CI/CD, and mentoring engineers.
React Native, React Navigation, Expo, Swift, Kotlin, Objective-C, Java, React.js, Redux, Context API, JavaScript, TypeScript, HTML, CSS, RESTful APIs, GraphQL, Fastlane, Bitrise, App Center, Git, WebAssembly, PWAs
3d
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Full Stack Developer (Python AI, React, Node.js)
Toronto, Ontario, Canada
$90k-$110k/yr OnsiteFull Time
8+ YOERequires extensive full-stack development experience with Python AI/ML, React.js, Node.js, REST APIs, microservices, cloud platforms, Docker, Kubernetes/OpenShift, databases, and CI/CD.
Python, React.js, Node.js, JavaScript, TypeScript, REST APIs, Microservices Architecture, AWS, OpenShift, Docker, Kubernetes, PostgreSQL, MySQL, MongoDB, OpenAI, LangChain, Hugging Face, OAuth, JWT, SSO
2mo
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Front End Engineer II, Campaign Management
Toronto, Ontario, Canada
$115k-$192k/yr OnsiteFull Time
3+ YOE3+ years frontend development; strong JS/TypeScript; HTML/CSS; React; Node; CI/CD; mentoring; agile experience.
React, TypeScript, JavaScript, HTML, CSS, Node, CI/CD
3mo
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Senior Fullstack Developer, Consumer
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
4+ YOE4+ years in agile software development; strong React JS experience; backend experience with Node.js/Nest/Nx; GraphQL, SQL, testing, and CI/CD; knowledge of storefronts (Shopify) and AI coding tools.
React, Next.js, Nest.js, Shopify, GraphQL, SQL, Node.js, Python, GoLang, Nuxt.js, Remix, Datadog, Sentry, Honeycomb, New Relic, AB testing, Multivariate testing
5d
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Sr. Developer
Brampton or Toronto
OnsiteFull Time
Bachelor's degree or equivalent experience; extensive enterprise application development in Agile environments; Java, Spring Boot, Angular, React, databases, cloud, DevOps, and technical leadership experience.
Java, J2EE, Spring Boot, REST, SOAP, Angular, React, JavaScript, HTML5, CSS3, Git, Maven, Bitbucket, Nexus, Artifactory, IntelliJ IDEA, Visual Studio, Figma, Oracle, Cassandra, MongoDB, Microsoft Azure, AKS, Docker, Jenkins, Nginx, Unix, Linux, Dynatrace, Elasticsearch, Kibana, Quantum Metric, Adobe Analytics, GitHub Copilot, Microsoft OpenAI, Google Gemini, Jira, Confluence
5d
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Developer (263997)
Toronto, Ontario, Canada
OnsiteFull Time
2+ YOEBachelor’s degree or equivalent, 2–4 years of full-stack development experience, and familiarity with React, Next.js, JavaScript, TypeScript, Node.js, Java, REST APIs, cloud, DevOps, and databases.
React.js, Next.js, JavaScript, TypeScript, Node.js, Java, Spring Boot, Kafka, Google Pub/Sub, Google Cloud, Cloud Run, Cloud Functions, Microsoft Azure, App Services, Key Vault, Git, Jenkins, GitHub Actions, SSL/TLS, OAuth2, JWT, SQL, PostgreSQL, Azure SQL, MongoDB, Docker, Kubernetes
5d
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Senior Full-Stack Software Engineer
Toronto, Ontario, Canada
$120k-$180k/yr OnsiteFull Time
5+ YOE5+ years full-stack experience with JavaScript/TypeScript and React, Node JS, MongoDB, cloud deployment experience, and experience shipping production software.
React, TypeScript, JavaScript, MongoDB, REST API, Node JS, Google Cloud, Amazon Web Services, Microsoft Azure
3d
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Lead Software Developer
Toronto, Ontario, Canada
HybridFull Time
10+ YOEUndergraduate degree and at least 10 years in financial technology development; strong SQL, Windows, Java, Python, JavaScript, React, web development, Agile, Scrum, and Kanban skills.
SQL, Python, Java, C#, JavaScript, Windows scripting, React, ION XTP Clear, XTP Core, Helios, UrbanCode Deploy, GitHub
2mo
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Software Developer
Toronto, Ontario, Canada
$101k-$118k/yr RemoteFull Time
2+ YOE2+ years software development; React/Angular, Java, Spring Boot, REST/SOAP, JavaScript, HTML/CSS, jQuery, SQL/PLSQL; DevOps; AWS; 100% remote; Canada work authorization.
React, Angular, Java, Spring Boot, REST, SOAP, JavaScript, HTML, CSS, jQuery, SQL, PLSQL, Content Management System, DevOps, AWS
2mo
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Senior Frontend Engineer
Toronto, Ontario, Canada
OnsiteFull Time
6+ YOE6+ years in frontend development; expert in JavaScript/TypeScript, React/Next.js, HTML5, CSS3; strong REST API design; Jest and React Testing Library experience; proficient with Figma; eligible to work in Canada.
JavaScript, TypeScript, React, Next.js, HTML5, CSS3, Jest, React Testing Library, REST API, Figma
4w
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Mobile Developer
Toronto, Ontario, Canada
HybridFull Time
2+ YOE2+ years building mobile or web apps, React Native and React fundamentals, TypeScript/JavaScript familiarity, mobile lifecycle experience, problem-solving and collaboration skills.
React Native, TypeScript, JavaScript, Node.js, Reanimated, Swift, Kotlin, Shopify, App Store, Google Play, CI/CD
1w
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Senior Software Engineer
Toronto, Ontario, Canada
HybridFull Time
6+ YOE6+ years software development experience (Java preferred), experience with Spring, AWS, microservices, REST/JSON APIs, Docker, React/React Native, Node.js, SQL/NoSQL, GIT; mentoring and project leadership experience.
Java, OS X, Linux, Spring, AWS, Microservices, SQL, NoSQL, GIT, JSON, REST, Docker, React Native, React, Javascript, nodejs, NPM, webpack, iOS, Android
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Software Developer
Oakville or Toronto or Waterloo
$86k-$106k/yr HybridFull Time
2+ YOE2+ years software development experience; Bachelor's in CS/EE/Software Engineering; strong frontend skills with React, Redux, TypeScript; backend exposure to Go, Python, SQL; proficiency with Git; familiarity integrating AI tooling.
React, Redux, TypeScript, JavaScript, Go, Python, SQL, Git
1w
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
Toronto, Ontario, Canada
RemoteFull Time
8+ YOE2+ Mgmt8+ years full-stack experience, 2+ years in a lead role; proficiency with .NET Core,C#,GraphQL,MongoDB,Docker,Javascript,Vue.js/React.js and cloud platforms; experience with microservices,TDD,DDD and performance/security optimization.
.NET Core, C#, GraphQL, MongoDB, Docker, Javascript, Vue.js, React.js, AWS, Azure, Google Cloud
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