50 reactjs developer jobs at 36 companies in Tonawanda, 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
1mo
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Supervisory Lead Developer - Account Experiences
Toronto, Ontario, Canada
OnsiteFull Time, Contract
CBC/Radio-Canada
CBC/Radio-Canada: Canada's national public broadcaster providing multimedia news and entertainment.
5+ YOE2+ Mgmt5+ years software development (native Android/iOS) with 2+ years technical leadership; experience with Compose Multiplatform, ReactJS, GraphQL/REST, CI/CD, modular code, architecture patterns, mentoring, and Agile practices. Bilingual (English/French) required.
Compose Multiplatform, ReactJS, REST APIs, GraphQL, CI/CD
1w
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Software Engineer, Global Payments Engineering (267268)
Toronto, Ontario, Canada
OnsiteFull Time
Scotiabank
ScotiabankToronto Stock Exchange: BNS: Provides global personal, commercial, and investment banking services.
Experience with ReactJS, NodeJS, Spring Boot, CI/CD, Git, GCP or Azure, Agile practices, testing, debugging, strong problem-solving and communication skills.
ReactJS, NodeJS, Spring Boot, CI/CD, Git, GCP, Azure
1mo
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Android Developer
Toronto, Ontario, Canada
HybridFull Time
CBC/Radio-Canada
CBC/Radio-Canada: National public broadcaster providing radio, television, and digital services.
Android development experience with Kotlin; familiarity with cross‑platform tech (Kotlin Multiplatform or React Native); Kotlin and native Android development; knowledge of APIs and third-party integrations.
Kotlin, Kotlin Multiplatform, React Native, Swift, Android, Bitbucket, Appium, CircleCI, Firebase, APIs
3w
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Software Engineer II
Toronto or Quebec or Canada
$100k-$115k/yr RemoteFull Time
commonsku
commonsku: Connected workflow platform for the promotional products industry.
3+ YOE3+ years professional software development; experience with PHP, Python, React, API development, relational databases, cloud platforms (AWS), containerization (Docker, ECS Fargate), and modern CI/CD; SaaS experience preferred.
PHP, Python, React, MySQL (Aurora), AWS, Snowflake, Symfony, ECS Fargate, Docker, OpenAI, Gemini, New Relic, Datadog, CI/CD
2mo
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Senior Fullstack Developer, Consumer
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
HelloFresh
HelloFreshFrankfurt Stock Exchange: HFG: Global meal kit delivery service and food solutions provider.
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
1mo
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Senior Software Engineer
Toronto or Alberta or British Columbia or Manitoba or New Brunswick or Newfoundland and Labrador or Nova Scotia or Ontario or Prince Edward Island or Saskatchewan
$90k-$140k/yr RemoteFull Time
Applied Systems
Applied Systems: Provides cloud-based management software for insurance agencies and brokerages.
5+ YOE5+ years full‑stack development experience; proficiency with Microsoft .NET/C#, TypeScript, React, Kubernetes, Microsoft SQL Server, OpenAPI, Apigee, GCP; experience with Datadog, GitLab, Agile, and mentoring engineers.
Microsoft .NET, C#, TypeScript, React, Kubernetes, Microsoft SQL Server, OpenAPI, Apigee, GCP, Datadog, GitLab, Node.js, Jira, Confluence
2mo
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Full Stack Engineer
Redwood City or Toronto
$150k-$1000k/yr OnsiteFull Time
8090 Solutions
8090 Solutions: A software-focused delivering hosted software for customers.
Full-stack web development experience using Python, TypeScript, React, and AWS; strong communication; end-to-end ownership; on-site in Redwood City or Toronto.
Python, TypeScript, React, AWS, GitHub Actions, Docker, AWS CDK
1mo
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Senior Full Stack Developer
Toronto, Ontario, Canada
OnsiteFull Time
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
4+ YOE4+ years developing and shipping production code; front-end with HTML/CSS, React, JavaScript/TypeScript; back-end with Python and relational databases (PostgreSQL); APIs, authentication, Git, CI/CD, Ansible, automated testing, ML/AI frameworks; experience building scalable, fault-tolerant systems.
HTML/CSS, React, Front-End Framework/Libraries, JavaScript, TypeScript, Python, PostgreSQL, Git, CI/CD, Ansible, Machine Learning/AI Frameworks, N8N, Tines, Databricks, Jira
1mo
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Senior Software Developer
Toronto or St. Catharines
$120k-$130k/yr HybridFull Time
Rentsync
Rentsync: Provides software and marketing solutions for rental property management.
6+ YOE6+ years building and shipping production software; hands-on experience putting LLMs into production (RAG, agents, evals); strong backend and frontend skills; proficiency with Git/GitHub, RESTful APIs, and cloud platforms.
TypeScript, Node, React, VueJS, Vite, Tailwind, PostgreSQL, MySQL, MsSQL, Python, CloudFlare, AWS, Azure, MCP, Git, GitHub, Docker, Jira
3w
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Senior Java Developer
Toronto or Calgary
$64k-$106k/yr HybridFull Time
Canadian Tire Corporation
Canadian Tire CorporationToronto Stock Exchange: CTC: Sells general merchandise, automotive products, and financial services in Canada.
6+ YOE6+ years building enterprise Java (Java 11+) applications with Spring ecosystem, microservices, cloud-native (Azure preferred), Docker/Kubernetes, CI/CD (Azure DevOps), SQL, observability tools, and strong communication and leadership skills.
Java 11+, Spring Boot, Spring Cloud, Spring Data, Spring Security, Microsoft Azure, AWS, GCP, Docker, Kubernetes, Git, Maven, Gradle, Microsoft Azure DevOps, GitHub Copilot, JUnit, Mockito, SpringBoot Test, Test containers, New Relic, Splunk, Datadog, SAP Hybris, Angular, React, SQL
2w
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Senior Software Engineer II, Cloud Data Ingestion & Transformation
Toronto, Ontario, Canada
$187k-$300k/yr HybridFull Time
Braze
BrazeNASDAQ: BRZE: Platform for personalized customer engagement and cross-channel messaging.
6+ YOE6+ years full-stack development experience, strong backend focus; technical leadership and architectural experience; knowledge of data pipelines, distributed systems, and modern web stacks.
Kafka, Airflow, Sidekiq, SQS, RabbitMQ, Python, Django, React, Ruby on Rails, Snowflake
1mo
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Software Engineer
Toronto, Ontario, Canada
$125k-$175k/yr HybridFull Time
Sanofi
SanofiEuronext Paris: SAN: Researches, develops, and manufactures medicines and vaccines globally.
4+ YOE4+ years experience; Bachelor's in CS/Engineering preferred; cloud (AWS/GCP/Azure); Terraform/AWS CDK; Node.js; React; microservices; CI/CD; cloud security; DevOps.
Node.js, TypeScript, JavaScript, React, Terraform, AWS CDK, AWS, GCP, Azure, CI/CD, Microservices, Cloud security
2w
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Lead Software Engineer AI (Staff Engineer)
Eagan or Frisco or Toronto or Ann Arbor
$127k-$237k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOEBachelor's degree or equivalent, 5+ years full-stack experience building scalable cloud applications; expertise in C#/.NET, backend architecture, APIs, distributed systems, and AI integration (LLMs, OpenAI/Anthropic); front-end skills (JavaScript/Typescript, Angular/React); AWS, PostgreSQL/SQLServer, CI/CD.
C#, .NET, ASP.NET Core, FastAPI, SQLServer, PostgreSQL, AWS, Vercel, JavaScript, Typescript, HTML, CSS, Angular, React, GitHub Actions, OpenAI, Anthropic, LLMs
3w
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Senior Front End Developer
Toronto, Ontario, Canada
$100k-$142k/yr HybridFull Time
Moneris
Moneris: Processes merchant payments and provides point-of-sale commerce solutions.
Bachelor's in CS or equivalent; proven experience with React, TypeScript, and React Native; GitHub/GitHub Actions; automated testing (unit/API/UI); designing secure, scalable applications; Agile experience and strong communication.
React, React Native, TypeScript, GitHub, GitHub Actions, Kotlin, Swift, Android
4d
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Senior Full Stack Developer
Toronto, Ontario, Canada
$120k-$145k/yr HybridFull Time
Konrad Group
Konrad Group: Provides digital strategy, design, and software development services.
5+ YOE5+ years building production web applications; strong JavaScript skills; experience with TypeScript, Node.js, Next.js; front-end framework experience (React/Angular); knowledge of web architecture and core web principles.
JavaScript, TypeScript, Node.js, Next.js, React, Angular, Gatsby, Remix.js, Wordpress, AEM, Sitefinity, AWS, Google Cloud, Azure, GraphQL, ElasticSearch, Serverless
5d
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Staff Frontend Engineer
Toronto, Ontario, Canada
$160k-$250k/yr HybridFull Time
US Mobile
US Mobile: A mobile virtual network operator providing flexible cell phone plans.
8+ YOE8+ years front-end experience; proficiency in TypeScript, React, state management, accessibility, responsive design; experience with complex legacy code and cross-platform UIs.
React, TypeScript, CSS-in-JS, Tanstack Query, Redux, Zustand, React Native, Rust
1mo
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Senior Software Engineer
Toronto or Alberta or British Columbia or Manitoba or New Brunswick or Newfoundland and Labrador or Nova Scotia or Ontario or Prince Edward Island or Saskatchewan
$95k-$145k/yr RemoteFull Time
Applied Systems
Applied Systems: Develops cloud software for the global insurance industry.
8+ YOE8+ years software engineering experience; expertise in C#, .NET or Golang and React; proficiency with JavaScript/TypeScript, UI/API testing (RestSharp, Cypress), CI/CD, unit and E2E testing; strong communication and mentoring skills.
React, Golang, C#, .NET, JavaScript, TypeScript, RestSharp, Cypress, CI/CD, E2E
1w
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Senior Software Engineer
Toronto, Ontario, Canada
$90k-$133k/yr HybridFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides independent investment research, financial data, and management services.
5+ YOEBachelor's degree and 5+ years experience; strong Python and cloud (AWS) experience building file-based data pipelines; familiarity with CSV/Parquet/JSON, SQL, Git, CI/CD, and monitoring/alerting.
Python, AWS, Google Cloud Platform, Azure, S3, Lambda, Step Functions, Glue, ECS, Snowflake Marketplace, SQL, Git, CI/CD, Vue.js, React
1mo
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Expression of Interest: Senior AEM Developer
Toronto, Ontario, Canada
$80k-$130k/yr RemoteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
6+ YOE6+ years building enterprise web experiences on Adobe Experience Manager; strong Java, HTL, JavaScript/TypeScript, GraphQL, and AEM Cloud/Dispatcher experience; technical leadership, architecture, accessibility, and mentoring skills.
Adobe Experience Manager (AEM), AEM Cloud Manager, AEM Dispatcher, HTL/Sightly, Java, Apache Sling, OSGi, Maven, JavaScript, TypeScript, React, Angular, Vue, HTML5, CSS, LESS, SASS, GraphQL, Content Fragments, MuleSoft, RESTful APIs, AWS CloudFront, Caffeine, Git, CI/CD, Azure DevOps, Azure Pipelines, Okta, Veracode, npm, Docker, Figma, Lighthouse
2w
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Associate Application Developer – Hybrid Cloud and Data
Buffalo or Baton Rouge or Monroe or Lansing
$45k-$83k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Bachelor's degree in CS/Engineering (or equivalent), strong computer science fundamentals, coding ability in Java/C#/Python/JavaScript/TypeScript, exposure to web/cloud platforms (AWS/Azure/IBM Cloud), Agile and teamwork experience, and ability to work onsite with extensive travel.
Java, C#, Python, JavaScript, TypeScript, Scala, SQL, Angular, React, Spring Boot, .NET Core, Flask, Django, Node.js, AWS, Azure, Google Cloud, IBM Cloud, Red Hat OpenShift, MySQL, PostgreSQL, SQL Server, Oracle, DB2, MongoDB, SPSS, SAS, Tableau, Hadoop, Spark, Data Migration Assistant, Azure App Service Migration Assistant