34 ui developer jobs at 23 companies in Rye, NH
4d
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UI Engineer
Boston or New York City
OnsiteFull Time
5+ YOERequires 5+ years of frontend or UI engineering experience, JavaScript/TypeScript, HTML5, CSS, React or Angular, design systems, APIs, middleware, and state management.
JavaScript, TypeScript, HTML5, CSS, React, Angular, Storybook.js, RESTful APIs, GraphQL APIs
6d
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UI Developer (Compute Test, North Reading)
North Reading, Massachusetts, United States
$100k-$160k/yr OnsiteFull Time
3+ YOE3+ years software development experience, strong React and TypeScript skills, component-based UI and design-system experience, familiarity with desktop UI environments, UI testing and collaboration with UX/Product teams.
React, TypeScript, WPF/XAML, Electron, Figma, Storybook, Jest, Playwright, Testing Library, Git, GitHub, Jira, CI/CD, WCAG
3d
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Principal UI Developer
Boston or United States
OnsiteFull Time
Engageware: Provides AI-powered customer engagement and appointment scheduling software.
8+ YOERequires 8+ years in front-end or full-stack web development, 3+ years at senior/principal IC level, expert React and TypeScript, Angular-to-React migration, API ownership, testing, accessibility, and AI tooling experience.
React, TypeScript, Angular, React Query, Zustand, Redux Toolkit, Storybook, Figma, Figma AI, v0, Claude, Spring Boot, Java, REST, WebSockets, SSE, Vitest, Jest, React Testing Library, Playwright, Cypress, MCP, Scala, Akka, SQL Server, PostgreSQL, Kubernetes, AWS
3mo
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Principal Software Engineer - UI/UX (Qt/QML)
Newton or Mounds View
$153k-$229k/yr OnsiteFull Time
7+ YOEBachelor’s or higher with 7+ years (or Master’s with 5+ years, or PhD with 3+ years) relevant experience in UI/UX, Qt/QML, and real-time systems.
Qt, Qt/QML, C++, Python
2mo
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Product Engineer (UI-Focused) — Horizon
San Francisco or New York City or Washington or Boston or Los Angeles or Seattle or Denver or Chicago or Atlanta or United States
$172k-$242k/yr RemoteFull Time
5+ YOE5+ years full-stack engineering with front-end focus; strong proficiency in TypeScript and React; experience shipping user-facing products; familiarity with Model Context Protocol and AI/LLM tooling; on-call/incident participation.
Python, TypeScript, React, TanStack, Model Context Protocol (MCP), Claude Code, Codex
2mo
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Full Stack Engineer (UI Focused)
Merrimack, New Hampshire, United States
$80-$100/hr OnsiteFull Time
Experienced software engineer with front-end focus, building RESTful APIs, relational and NoSQL databases, CI/CD, SDLC best practices, mentoring, JavaScript frameworks, and responsive CSS3 design.
Angular, AngularJS, Backbone.js, React JS, JavaScript, CSS3
2mo
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SENIOR SOFTWARE ENGINEER
Methuen, Massachusetts, United States
OnsiteFull Time
8+ YOE8+ years of software development; OO design; C++ multi-thread; motion control; UI development a plus; agile; travel up to 5%; capable of independent and collaborative work.
C++, Multithreading, UI development, Motion control software, Kinematics and control algorithms, Agile
1mo
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Software Engineer: Web Developer
Cambridge, Massachusetts, United States
$110k/yr OnsiteFull Time
Bachelor's degree in CS or related; strong HTML, CSS, JavaScript; experience with Vue, React or Angular; CMS knowledge (WordPress/Joomla); UI/UX and graphic design skills; REST API development; Agile and test-driven practices.
HTML, CSS, JavaScript, Vue, React, Angular, WordPress, Joomla, REST API, CI/CD, git, GitHub, GitLab, Jenkins
2mo
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Android Engineer II (Client Platform)
Boston, Massachusetts, United States
$125k-$175k/yr OnsiteFull Time
2+ YOE2–4 years Android development; Kotlin and Android frameworks (Jetpack, Compose); strong UI/layout, localization, REST APIs; debugging and performance; Git.
Kotlin, Jetpack, Compose, REST APIs, Git, Android SDK
3d
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Java Full Stack Engineer
Boston or Charlotte or Jersey City or New York City or Pennington or Richardson
$76k-$127k/yr OnsiteFull Time
Bachelor’s degree or equivalent experience; full-stack Java and Angular or React experience, with Spring Boot, REST web services, UI development, software integration, testing, and SDLC expertise.
Java, Angular, React, Spring, Spring Boot, REST, Microservices, Kafka, IBM MQ, OpenShift, JPA, XML, XSLT, JAXB, JAXP, MVC, JUnit, SQL Server, Oracle, MongoDB, AI
1mo
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Frontend Engineer (Boston)
San Francisco or Boston or Cambridge
$150k-$225k/yr HybridFull Time
3+ YOE3+ years building production React apps, strong TypeScript and Next.js experience, UI polish, performance, accessibility, RESTful APIs, SQL familiarity, and ability to work with design and backend services.
React, TypeScript, Next.js, Ruby on Rails, Postgres, RESTful APIs, SQL, LLMs, EHRs
2mo
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Principal Software Engineer (3D Visualization) - Electrophysiology (Waltham, MA, US, 02138)
Waltham, Massachusetts, United States
$107k-$203k/yr HybridFull Time
5+ YOEBS/MS in Computer Science or related field, 5+ years software development, strong C++, OpenGL and 3D graphics experience, object-oriented design, full SDLC, UI/UX and communication skills.
C++, OpenGL, Qt, QML, Linux, Git, Jira, JAMA
3d
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Full Stack Angular Developer
Boston, Massachusetts, United States
$80k-$128k/yr OnsiteFull Time
8+ YOERequires 8 years' experience with a bachelor's, 6 with a master's, or 12 with a high school diploma; Angular, Kendo UI, TypeScript, .NET Core, C#, SQL Server, testing, security, and Agile experience.
Angular, Kendo UI, TypeScript, HTML5, CSS3, .NET Core, C#, RESTful API, Entity Framework Core, SQL Server, T-SQL, LambdaTest, WCAG, OWASP Top 10, TFS (Team Foundation Server), CI/CD, Jira
1mo
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Full Stack Engineer (React Native)
Boston, Massachusetts, United States
HybridFull Time
Extensive TypeScript experience across React Native and React, backend proficiency in Java/Scala, SQL, strong architecture, UI craft, testing/CI/CD, and scalability skills.
TypeScript, React Native, React, Java, Scala, SQL, Docker, Kubernetes, Grafana
2mo
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Full-stack Software Engineer I
Nashua, New Hampshire, United States
$65k-$110k/yr HybridFull Time
0.5+ YOEBachelor's in Computer Engineering/Computer Science, ability to obtain US Secret clearance, 6+ months professional programming experience (UI, web services, microservices, databases). Skills with Node.js/Google Go/Python, relational and non-relational databases, microservices, Kubernetes, and cloud-native deployment.
Node.js, Google Go, Python, Kubernetes, MySQL, PostgreSQL, MongoDB, Cassandra, Istio, Linkerd, Prometheus, Grafana, ELK stack, Test-Driven Development (TDD), CI/CD
3w
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Member of Technical Staff – Senior Engineer, Fullstack Web Development
Cambridge, Massachusetts, United States
$180k-$240k/yr OnsiteFull Time
Proven experience building production web applications with a strong front-end focus, modern JavaScript/TypeScript frameworks, backend APIs, cloud deployments, real-time/data-driven UIs, and well-tested maintainable code.
JavaScript, TypeScript, WebSockets
2mo
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Senior Front End Software Developer (AI, React, JavaScript) - Remote US
Waltham or United States
$130k-$158k/yr RemoteFull Time
3+ YOE3-4+ years frontend JavaScript/React experience; UI/UX, Agile; experience with React/TypeScript and AI tooling; remote-friendly, collaborative.
JavaScript, TypeScript, React, AI tools
2mo
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Principal Software Engineer (3D Visualization) - Electrophysiology
Waltham, Massachusetts, United States
$107k-$203k/yr HybridFull Time
5+ YOEBS or MS in Computer Science or related field, 5+ years software development experience, strong C++ and OpenGL skills, OOP knowledge, UI/UX design experience, full lifecycle development, and strong communication.
C++, OpenGL, Qt, QML, Linux, Git, Jira, JAMA, Opal HDx Mapping System
1mo
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Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$122k-$220k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
2+ YOEDesign and implement product-facing UI/UX and production code. Expect proficiency with TypeScript, React, CSS; familiarity with GraphQL, Node.js, Postgres, Redis is a plus. 2+ years industry experience preferred.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
1mo
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Mid QA Engineer
Warsaw or London or Boston or Victoria
zł13k-zł16k/mo RemoteFull Time
2+ YOE2+ years QA experience with manual and/or automated testing, test automation, Python and SQL skills, database and UI/web testing, test design and defect reporting, Jira experience, English B2 or higher.
Python, SQL, PostgreSQL, BigQuery, Playwright, TypeScript, JavaScript, React, Node.js, Express, Docker, Kubernetes, GCP, Jira, GitHub, GitLab, CI/CD
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