35 ui developer jobs at 34 companies in Newfane, NY
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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
1mo
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Senior UI Product Designer (iGaming)
Toronto, Ontario, Canada
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years digital product design experience; expert in Figma and Adobe Creative Cloud; strong prototyping, design-systems, UI for web/mobile, developer handoff, mentoring, and portfolio; iGaming experience preferred.
Figma, Adobe Creative Cloud, HTML, CSS
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
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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
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Senior Android Developer - Trailering
Markham or Oshawa
$115k-$165k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent; 5+ years Android development including AAOS/AOSP experience; expert Kotlin/Java, Android SDK, Jetpack, coroutines/Flow; testing (JUnit, MockK/Mockito, Espresso, UI Automator) and CI/CD/Git experience.
Android Automotive OS (AAOS), AOSP, Kotlin, Java, Android SDK, Jetpack, MVVM, Coroutines, Flow, JUnit, MockK, Mockito, Espresso, UI Automator, CI/CD, Git, VHAL
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
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
1d
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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
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
2mo
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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
3w
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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
1mo
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Staff Software Engineer
Toronto, Ontario, Canada
$168k-$209k/yr HybridFull Time
Staff-level engineering experience building backend and UI systems; expertise in one interpreted and one compiled language; experience with relational databases, APIs, cloud providers, on-call experience, mentoring and technical leadership.
Python, Ruby on Rails, C++, Kotlin, Scala, Go, Java, Snowflake, GCP, AWS, Azure, Typescript, Vue
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
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
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
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