683 react developer jobs at 275 companies in Niagara Falls, NY

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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React Native Developer, Growth
Toronto, Ontario, Canada
$100k-$120k/yr HybridFull Time
HelloFresh
HelloFreshFrankfurt Stock Exchange: HFG: Global meal kit delivery service and food solutions provider.
2+ YOE2-4 years React/React Native, mobile app development, API integration, testing, CI/CD, agile teamwork.
React, React Native, Swift, Kotlin, APIs, CI/CD, Agile
1mo
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React Full Stack Developer
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
3+ YOE3+ years software development with Java, React, Spring Boot; full stack, CI/CD, AWS/GitHub, Docker/Kubernetes; Agile/Scrum; Oracle DB; AI tooling.
React, Java, Spring Boot, Docker, Kubernetes, AWS, GitHub Enterprise, Jenkins, OpenShift, Maven, Gradle, GraphQL, REST, SQL, PL/SQL, Oracle
1w
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Senior Full Stack React Developer
Toronto or King
$90k-$140k/yr HybridFull Time
Sun Life
Sun LifeNYSE: SLF: Provides insurance, wealth, and asset management solutions globally.
5+ YOE5+ years frontend development experience with JavaScript/ES6 and React; proficiency in HTML,CSS/SCSS,Webpack,Bootstrap, accessibility, responsive design, SPAs, debugging, and using AI tools like CoPilot.
JavaScript/ES6, React.js, HTML, CSS/SCSS, Webpack, XML/JSON, Bootstrap, CoPilot, Storybook.js, Parsley.js, AXIOS, react-bootstrap, React Context, Node.js, Adobe Experience Manager
2w
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React JS Developer
Mississauga, Ontario, Canada
OnsiteFull Time
Virtusa
Virtusa: Digital engineering and IT business transformation services provider.
3+ YOE3+ years frontend experience; strong JavaScript (ES6+); hands-on React.js with hooks; state management (Redux/Context API); HTML5/CSS3; REST/GraphQL; Git; bachelor's degree or equivalent.
JavaScript (ES6+), React.js, hooks, Redux, Context API, HTML5, CSS3, REST APIs, GraphQL, Git, Webpack, Babel, Vite, TypeScript, Next.js, Jest, React Testing Library, Material UI, Ant Design, Tailwind, CI/CD, AWS, Azure, GCP
2w
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React JS Developer
Mississauga, Ontario, Canada
OnsiteFull Time
Virtusa
Virtusa: Global provider of digital engineering and IT outsourcing services.
3+ YOE3+ years frontend experience with JavaScript (ES6+), React.js and hooks, state management (Redux/Context API), HTML5/CSS3, REST/GraphQL, Git, frontend build tools; TypeScript, Next.js, testing, and CI/CD preferred.
JavaScript (ES6+), React.js, Redux, Context API, HTML5, CSS3, REST APIs, GraphQL, Git, Webpack, Babel, Vite, TypeScript, Next.js, Jest, React Testing Library, CI/CD, Material UI, Ant Design, Tailwind, AWS, Azure, GCP
1w
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Senior React UI Developer Agentic AI Driven Development
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
6+ YOE6+ years front-end experience with React, TypeScript/JavaScript, modern state management, CI/CD, testing frameworks and AI-assisted development tools; strong communication and leadership skills.
v0.dev, GitHub Copilot, Claude, Codex, React, TypeScript, JavaScript, HTML5, CSS3, Flexbox, Grid, Redux, Zustand, Recoil, Figma, Sketch, Material-UI, Ant Design, RESTful, GraphQL, Webpack, Vite, NPM, Yarn, Jest, React Testing Library, Cypress, Playwright, Lighthouse, React DevTools
1w
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Senior Full Stack React Developer
Toronto or Waterloo
$90k-$140k/yr HybridFull Time
Sun Life
Sun LifeToronto Stock Exchange: SLF: Provides insurance, retirement, and asset management services globally.
5+ YOE5+ years frontend development experience with JavaScript/ES6 and React.js; proficiency in HTML,CSS/SCSS,Webpack,XML/JSON,Bootstrap; accessibility, responsive design, SPA development, and use of AI tools like CoPilot.
JavaScript/ES6, React.js, HTML, CSS/SCSS, Webpack, XML, JSON, Bootstrap, Storybook.js, Parsley.js, AXIOS, react-bootstrap, React Context, Node.js, Adobe Experience Manager, CoPilot
1w
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Senior ReactJs Developer
Toronto, Ontario, Canada
OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
5+ YOE5+ years experience building React JS applications; strong skills in Java/JavaScript, TypeScript, REST, Spring Boot, HTML, CSS, Git, Agile; API and front-end development experience.
Agile, CSS, Git, HTML, Java, Javascript, REST, Spring Boot, TypeScript, API(Application programming interface), Front end Technologies, React JS
2w
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Software Engineer (React + Angular)
Brazil or Toronto
HybridFull Time
Exadel
Exadel: Provides enterprise software engineering and AI-driven digital transformation services.
Senior frontend development experience with React and Angular, strong HTML5/CSS3/JavaScript/TypeScript skills, state management and build tool experience, unit testing, and English proficiency.
React 19, Angular 21+, HTML5, CSS3, JavaScript (ES6+), TypeScript, Redux, NgRx, Context API, Webpack, Vite, Jasmine, Jest, Angular Material, OpenFin, CI/CD pipelines, Bootstrap, Tailwind CSS, Mithril.js
1mo
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Senior/Mid Frontend Engineer - React
Toronto, Ontario, Canada
RemoteFull Time
Sensor Tower
Sensor Tower: Provides digital market intelligence and mobile app analytics software.
Strong background in modern JavaScript, TypeScript, React; experience with state management; testing (Jest/Cypress/Playwright); web performance; mentorship; product-minded.
React, TypeScript, TanStack Query, Zustand, Jest, Cypress, Playwright
1mo
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Senior Mobile Developer (React Native)
Calgary or Toronto or Canada
HybridFull Time
OneVest
OneVest: Provides modular software for digital wealth management and onboarding.
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
3w
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Senior Software Engineer (Golang, React)
Toronto or United States
$125k-$150k/yr RemoteFull Time
Applied Systems
Applied Systems: Provider of cloud-based management software for the insurance industry.
5+ YOE5+ years building web applications; 3+ years with React; experience with Golang, C#, TypeScript/JavaScript, Node JS, Kubernetes, PostgreSQL/SQL Server, GCP, gRPC and RESTful services; CI/CD, testing, code review, and mentoring skills.
React, Golang, C#, TypeScript, JavaScript, Node JS, Kubernetes, PostgreSQL, SQL Server, Microsoft Visual Studio Code, GRPC, RESTful services, Jira, Confluence, Cypress, RestSharp, GIT, Claude Code, GCP, CI/CD
3w
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Senior FullStack Developer (Node+React) - Temporary
Toronto or Brazil or South America
RemoteContract
EX Squared
EX Squared: Digital transformation agency providing custom software and IT staffing.
5+ YOE5+ years with React and Node.js, AWS and Docker familiarity, experience with APIs, GraphQL/Apollo, testing with Jest/Cypress, English advanced.
React, Node.js, Next.js, Nuxt.js, GraphQL, Apollo, Jest, Cypress, AWS, Docker, ECS Fargate, Aurora, OpenSearch, S3, EventBridge, SQS, Cognito, Bedrock, CreatorIQ, Frame.io, Microsoft 365 Graph, OAuth2, OIDC, RBAC, ABAC
1w
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Software Engineer (React + Angular)
Brazil or Toronto
HybridFull Time
Exadel: Provides digital engineering and AI-focused software consulting services.
Senior frontend experience with React 19 and Angular 21+, strong HTML5/CSS3/JavaScript (ES6+)/TypeScript skills, state management (Redux/NgRx/Context), build tools (Webpack/Vite), unit testing (Jasmine/Jest), and Angular Material.
React 19, Angular 21+, HTML5, CSS3, JavaScript (ES6+), TypeScript, Redux, NgRx, Context API, Webpack, Vite, Jasmine, Jest, Angular Material, OpenFin, Bootstrap, Tailwind CSS, Mithril.js
1mo
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Senior Full-Stack Developer (Ruby on Rails/React)
Toronto, Ontario, Canada
OnsiteFull Time
Phoenix
Phoenix: Provides online medical consultations and discreet prescription medication delivery.
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
4d
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Software Engineer III (Front End Java/React/Spring)
Toronto, Ontario, Canada
$126k-$154k/yr OnsiteFull Time
TD Bank
TD BankToronto Stock Exchange: TD: Provide retail, commercial, and wholesale banking and financial services.
8+ YOE8+ years front-end development with Java, React, Spring Boot and Spring Security; experience with OAuth/LDAP, REST APIs, Git, Maven/Gradle, CI/CD, Linux; ScriptRunner/Groovy and enterprise integrations.
Atlassian Cloud, Jira, Jira Service Management (JSM), Java, React, Spring Boot, Spring Security, OAuth, LDAP, REST APIs, Git, Maven, Gradle, CI/CD, Linux, ScriptRunner (Groovy), Groovy, Docker, Kubernetes, AWS, Azure, GCP
1mo
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Lead Full Stack Developer (AWS & React) (PL850)
Toronto, Ontario, Canada
RemoteFull Time
Paralucent
Paralucent: A technology delivering cloud-native solutions.
10+ YOETen years+ enterprise software experience; strong AWS, React, and TypeScript; backend and frontend expertise; REST APIs; agile; leadership.
AWS, React, TypeScript, Node.js, REST APIs, Docker, Kubernetes, CI/CD, Terraform, IaC, Cloud, Databases
3mo
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Application Developer Sr (Python, React, Full Stack)
Toronto or Minneapolis or Philippines or North America or Europe or Asia or Africa
OnsiteFull Time
Dayforce
Dayforce: Cloud-based human capital management software and services platform.
5+ YOE5+ years experience; advanced Python and AI knowledge; strong React and modern JavaScript framework skills; experience with HTML, CSS3, SVG, WCF, JSON, SQL, OOP languages (C#, Java, C++); Azure, GitHub, Jira, agile, testing, and mentoring.
Python, React, HTML, CSS3, SVG, Microsoft WCF, JSON, Angular, Ember, Backbone, C#, Java, C++, SQL, GitHub, Microsoft Azure, TypeScript, Microsoft .NET, Microsoft ASP.NET MVC, Jira
1mo
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Senior AI Full-Stack Software Developer (Python/React)
Toronto or Montreal
$119k-$145k/yr HybridFull Time
Intact Financial
Intact FinancialToronto Stock Exchange: IFC: Provides property and casualty insurance to individuals and businesses.
5+ YOESenior AI full-stack developer with 5+ years experience, TS/React, Python, AWS, REST/Swagger, AI concepts (GenAI, MLOps); bilingual in Quebec; eligible to work in Canada.
TypeScript, React, Python, AWS, REST, Swagger, MLOps
1mo
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Lead Software Engineer – Python/React
Eagan or Frisco or Brooklyn or Toronto
$118k-$220k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
7+ YOE7+ years web development; backend focus (Python) with frontend capability; experience building production systems; strong API and distributed systems experience; leadership and collaboration skills.
Python, FastAPI, Django, Flask, APIs, Microservices, React, TypeScript, Next.js, Tailwind CSS, Pydantic, Cloud infrastructure