3w
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UI Engineer
Boston or New York City or Atlanta
$80k-$100k/yr HybridFull Time
5+ YOE5+ years front-end development with JavaScript/TypeScript and React/Angular, NodeJS experience, RESTful API and SQL knowledge, automated UI testing, EM, mentoring and strong communication skills.
JavaScript, TypeScript, NodeJS, HTML, CSS, Material UI, Styled Components, ES6, React, Angular, Redux, Next.js, RTK Query, NPM, Nx, Bitbucket, Python, SQL
1mo
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UI Engineer
Boston or New York City
HybridFull Time
5+ YOE5+ years frontend experience; strong JavaScript/TypeScript, HTML5, and modern CSS; experience with React or Angular, Storybook.js, RESTful/GraphQL APIs, design systems, accessible and scalable UI architecture.
React, Angular, JavaScript, TypeScript, HTML5, CSS, Storybook.js, RESTful APIs, GraphQL
3w
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Software Engineer, UI
Boston, Massachusetts, United States
$50-$75/hr OnsiteContract
2+ YOE2+ years software engineering experience preferred; proficiency in Angular, JavaScript/TypeScript, RxJS, HTML/CSS/SCSS; experience with test automation, REST APIs, cloud and container tech; bachelor’s degree preferred.
Angular, JavaScript, TypeScript, RxJS, HTML, CSS/SCSS, Playwright, Cypress, REST APIs, Java, AWS, Docker
1d
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Senior UI Developer (React & TypeScript)
Woonsocket, Rhode Island, United States
$68k-$114k/yr HybridFull Time
Bachelor's degree in CS/IT/Engineering or related, strong experience with React 18+, TypeScript, JavaScript (ES6+), state management, telemetry, testing, and frontend performance.
React 18+, TypeScript, JavaScript (ES6+), Redux Toolkit, Context API, Zustand, Application Insights, OpenTelemetry, Jest, React Testing Library
1d
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Senior UI Developer (React & TypeScript)
Woonsocket, Rhode Island, United States
$68k-$114k/yr HybridFull Time
Bachelor's in CS/IT/Engineering, strong React 18+, TypeScript, JavaScript (ES6+), state management (Redux Toolkit/Context/Zustand), app telemetry, testing (Jest/React Testing Library), and frontend performance expertise.
React 18+, TypeScript, JavaScript (ES6+), Redux Toolkit, Context API, Zustand, Application Insights, OpenTelemetry, Jest, React Testing Library
2mo
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Senior UI Software Engineer
Mansfield, Massachusetts, United States
$132k-$190k/yr HybridFull Time
7+ YOE7+ years front-end UI development; expert in Angular, TypeScript, Blazor, C#, HTML/CSS; building enterprise web apps; AI/LLM integration knowledge.
Angular, Blazor, TypeScript, C#, HTML/CSS, RESTful APIs, .NET, Python, AI services
2mo
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Sr. Software Engineer - UI/UX (Qt/QML)
Newton or Mounds View
$125k-$187k/yr OnsiteFull Time
4+ YOEBachelor’s or Master’s/PhD with relevant experience in UI/UX; strong Qt/QML/C/C++ and Python; Linux, Docker, CI/CD; real-time data; collaboration with UX teams; production-quality software in healthcare setting.
Qt/QML, C++, Python, Linux, Docker, CI/CD, Figma
2d
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Contract Technical UI/UX Designer - Video Games
San Francisco or New York City or Los Angeles or Seattle or Boston or Washington or Austin or Denver or Nashville or Atlanta or Chicago or Dallas or Miami or United States
$33-$58/hr RemoteContract
3+ YOE3+ years in UI technical design for games, strong proficiency with Unreal Engine and Blueprint scripting, experience building real-time UI, optimization and accessibility knowledge, collaborative problem-solving skills.
Unreal Engine, Blueprint, C++, C#
2mo
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Sr. Software Engineer - UI/UX (Qt/QML)
Newton or Mounds View
$125k-$187k/yr OnsiteFull Time
4+ YOEBachelor's degree with 4+ years’ experience or Master’s with 2+ years’ experience or PhD with no experience; strong Qt/QML, C++, Python; UI/UX focus; production-level software in regulated environment.
Qt, Qt/QML, C++, Python, Linux, Docker, CI/CD, UI/UX tools, Figma
1mo
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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
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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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, minimum 6 months professional software development experience across UI, services, and databases; experience with Node.js/Go/Python, microservices, Kubernetes preferred.
Node.js, Google Go, Python, Kubernetes, Istio, Linkerd, Prometheus, Grafana, ELK stack, MySQL, PostgreSQL, MongoDB, Cassandra
1mo
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Software Engineer - UI/UX (Fall 26' Intern)
Natick, Massachusetts, United States
$28-$32/hr OnsiteInternship
Currently enrolled or recent graduate in CS/CE or similar; fluent in C#, Java, or JavaScript; experience with Figma or Adobe XD; front-end frameworks like WPF, React, or Angular; strong OOP and MVVM skills; Windows front-end/.NET WPF or Unity experience useful; valid work eligibility required.
C#, Java, JavaScript, Figma, Adobe XD, WPF, React, Angular, .NET, Unity, Model-View-ViewModel
1mo
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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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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
1d
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Principal Software Engineer/Developer
Smithfield, Rhode Island, United States
$132k-$166k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in CS/Engineering/IT/IS plus 5 years (Bachelors) or 3 years (Masters) experience; expertise in automation for UI, API, DB testing using Selenium, Cucumber, RestAssured, Karate, Java; CI/CD and DevOps tools experience.
Selenium WebDriver, Selenium Grid, TestNG, Java, JavaScript, JUnit, Cucumber BDD, RestAssured, Karate, Playwright, MongoDB, PostgreSQL, Redis, Kafka, Git, Jenkins, Jira, Qtest, DataDog, Maven, JMeter, Appium, Eclipse, IntelliJ IDEA
3mo
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Principal Software Engineer - Frontend, Developer Experience
San Francisco or Phoenix or Denver or Austin or Jacksonville or Bridgeport or Boston or New York City or Atlanta
RemoteFull Time
5+ YOEDevelop frontend UIs with TypeScript/React; collaborate with product/design; contribute to architecture and testing; mentor colleagues.
TypeScript, React, GraphQL, Node.js
1w
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Software Engineer in Test
Smithfield, Rhode Island, United States
$69k-$153k/yr OnsiteFull Time
6+ YOE6+ years QA test automation engineering experience building API and UI automation using Karate/RestAssured and Playwright/Cypress; strong Java/JavaScript/TypeScript skills; CI/CD and SQL experience.
Karate, RestAssured, Playwright, Cypress, Java, JavaScript, TypeScript, Jenkins, GitHub Actions, Azure DevOps, SQL, AWS Lambda, S3, CloudWatch, API Gateway, JMeter, Gatling, Docker, Kubernetes
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
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
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