40 ui developer jobs at 37 companies in Grand Island, NY
5d
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Software UI Developer
Oakville, Ontario, Canada
$90k-$110k/yr OnsiteFull Time
3+ YOEBachelor's degree in a related technical discipline and 3+ years of software, UI, or HMI development experience. Requires Java, Kotlin, Android XML, testing, version control, and CI/CD knowledge.
Java, Kotlin, Android XML, APIs, microservices, CI/CD, Agile, test-driven development
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
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 and REST integrations; familiarity with test frameworks; Bachelor's degree or equivalent experience.
.NET, C#, React, HTML5, CSS3, JavaScript, JSON, XML, REST API, TypeScript
1mo
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Staff Software Engineer - UI Platform
Toronto, Ontario, Canada
$160k-$220k/yr HybridFull Time
5+ YOE5+ years software development experience; expertise in architecture and implementation; development experience in Java, Python, or C++; experience with Spring, React.js, or Node.js; strong communication skills.
Java, Python, C++, Spring, React.js, Node.js, Unicode, ISO standards
2w
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Copy of Lead UI/UX Designer – DTC eCommerce Brand
Warsaw or Kyiv or United States or Bratislava or Toronto or Romania or Budapest
RemoteFull Time
5+ YOE5+ years UI/UX experience in DTC eCommerce, strong portfolio, Figma expertise, CRO experience, collaboration with developers, responsive and accessibility knowledge.
Figma, Shopify, Google Analytics, Hotjar, Microsoft Clarity, HTML, CSS
3mo
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Associate, Software Engineer
Tonawanda, New York, United States
$90k-$120k/yr OnsiteFull Time
3+ YOEMaster's or Bachelor's in Computer Science; 3+ years full-stack web development; Angular, C#, SQL Server; agile/scrum; REST/SOAP APIs; mobile-friendly UI.
Angular, C#, SQL Server, Bootstrap, HTML5, jQuery, REST, SOAP, Git/Bitbucket, Ionic, .NET
2w
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Sr. Software Engineer - Full Stack
Toronto or Ontario
HybridFull Time
4+ YOE4+ years of full-stack development experience; React, TypeScript, Redux, GraphQL, and REST APIs; scalable web UI development; strong collaboration; relevant bachelor's or master's degree or equivalent experience.
React, TypeScript, Redux, GraphQL, REST APIs, JavaScript
2mo
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Staff Frontend Engineer
Toronto or Canada
$175k-$200k/yr HybridFull Time
Deep expertise in TypeScript and React (Next.js), experience building production web apps, integrating LLMs/AI into UIs, product-minded development, and mentoring other engineers; multi-tenant experience preferred.
TypeScript, React, Next.js, Claude Code, Cursor, LLM
3mo
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Sr Front End Developer
Toronto, Ontario, Canada
HybridFull Time
5+ YOE5+ years of professional experience with React.js and modern front-end development; strong JavaScript/TypeScript, HTML5, CSS3; experience with design systems and Figma; hands-on with shadcn/ui; good knowledge of accessibility, RESTful services, Git.
React.js, TypeScript, HTML5, CSS3, Figma, shadcn/ui, Tailwind CSS, Next.js, Jest, React Testing Library
4w
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Co-op, Full Stack Developer
Hamilton, Ontario, Canada
$21/yr OnsiteInternship
Proficiency with Node.js, NoSQL/SQL databases, Docker, cloud providers (AWS/GCP/DO), Git; familiarity with JavaScript, UI/UX tools (Figma, Draw.io, Retool); ability to develop, test, and deploy microservices.
Node.js, NoSQL, SQL, Docker, AWS, GCP, DO, Git, Figma, Draw.io, Retool
2w
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Software Developer II (Test Automation Developer II)
Toronto, Ontario, Canada
$81k-$99k/yr HybridFull Time
3+ YOE3+ years experience in UI automation; strong programming in Java, JavaScript/TypeScript or Python; experience with Playwright, Selenium, API testing, CI/CD, Git and Agile practices.
Playwright, Cucumber, TypeScript, Cucumber JS, Postman, SOAP UI, Python, Java, JavaScript, Selenium WebDriver, Selenium Grid, Protractor, Rest Assured, Node JS, JIRA, Jenkins, SQL, NoSQL, GIT
6d
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Senior Pricing Developer
Markham or Toronto or Oakville
$80k-$110k/yr HybridFull Time
5+ YOE5+ years of software engineering experience; strong JavaScript, HTML, and CSS skills; UI design and maintainability experience; R or analytical programming experience; quantitative discipline education or equivalent experience.
R Shiny, JavaScript, HTML, CSS, R, Python, SAS
3d
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Front-end Developer
Toronto, Ontario, Canada
HybridFull Time
2+ YOERequires React, TypeScript or strong JavaScript, UI component experience, accessibility awareness, problem-solving skills, and roughly 2–4 years building web or mobile applications or equivalent portfolio work.
React, TypeScript, JavaScript, React Native, Next.js, React Router, Remix, Redux, Zustand, Context API, Vite, Webpack, Babel, npm, yarn, styled-components, Emotion, Jest, React Testing Library, RESTful APIs, GraphQL, Postgres, Shopify
2mo
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Software Engineer (Java) (262726)
Toronto, Ontario, Canada
HybridFull Time
7+ YOE7+ years Java/J2EE and Spring, 5+ years Unix/shell scripting, database development (Oracle/Sybase/PL/SQL), middleware (JMS/IBM MQ/Tibco/Kafka), UI (Vue.js), DevOps and version control experience; undergraduate degree required.
Java, J2EE, Servlets, JDBC, EJB, JSP, JMS, Spring Framework, Bash, Perl, Python, Oracle, Sybase, PL/SQL, IBM MQ, Tibco EMS, Kafka, Vue.js, Elasticsearch, Linux, JIRA, Bitbucket, CheckMarkx, Accelerator pipeline, SOA
1mo
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Senior Web Developer
Toronto or Cambridge
HybridFull Time
Strong web UI skills with HTML/CSS/JavaScript/TypeScript, experience with Stencil/components, Node.js/Express, PostgreSQL, Docker, Nginx, CI/testing tools, and experience reading/writing Perl or Python CGI scripts.
HTML, CSS, JavaScript, jQuery, TypeScript, Stencil, Perl, Python, PostgreSQL, Docker, Nginx, Node.js, ExpressJS, Playwright, Jenkins, GitHub Actions, GitLab CI, Git
3mo
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Senior Frontend Engineer
Toronto, Ontario, Canada
$140k-$175k/yr HybridFull Time
Frontend engineer with React, TypeScript, JavaScript; data-heavy, configurable UIs; dashboards and BI experience; strong UX and collaboration skills.
React, TypeScript, JavaScript, SASS, Jest, Cypress, AWS, Docker, Java, Django, Postgres, Python
3mo
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Quality Assurance Engineer
Toronto, Ontario, Canada
$100k-$110k/yr RemoteFull Time
4+ YOEQA Automation with API/UI automation, 4-7 years, Python, SQL, CI/CD, data validation.
Postman, Newman, Selenium, Playwright, Cypress, Python, Jenkins, GitHub Actions, Databricks, SQL
1mo
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Staff Frontend Engineer
Toronto, Ontario, Canada
$160k-$250k/yr HybridFull Time
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
1d
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Senior Full Stack Software Engineer - Application Engineering
Bothell or Boulder or College Park or Toronto
$146k-$209k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years full-stack development and API framework experience; JavaScript, Python, or Golang; UI visualization; scientific or quantum computing experience.
JavaScript, Python, Golang, REST, GraphQL, gRPC, three.js, D3, WebGL, Agentic AI, numpy, pandas, C, C++, AWS, GCP
1mo
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Senior Front End Developer
Toronto, Ontario, Canada
$100k-$142k/yr HybridFull Time
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
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