Top Front End Developer Jobs in Hartford, CT

Design and implement scalable frontend solutions using JavaScript/TypeScript and React. Drive architecture discussions, ship features with minimal guidance, maintain code quality and styling standards, collaborate across agile teams, ensure performance and scalability, and manage end-to-end feature lifecycles in a fast-moving environment.

Contract frontend engineer to build and maintain a Sanity-backed Next.js order page platform. Responsibilities include component development, Sanity Studio schema work, end-to-end test ownership (Playwright or similar), routing and architecture improvements, performance optimization, and supporting A/B testing and monitoring. Work closely with marketing, product, and engineering on a high-traffic, revenue-critical purchase flow and participate in on-call and CI/CD processes.

Design, build, and maintain scalable Angular frontend applications using TypeScript, RxJS, and Tailwind. Implement complex UI features, mapping/geolocation with Google Maps API, state management, testing (Jasmine/Karma), error monitoring (Sentry), and CI/CD workflows while collaborating cross-functionally and supporting multiple environments.

Lead design, development, and maintenance of enterprise-grade React + TypeScript applications. Own front-end performance, responsiveness, and security; integrate with .NET/Azure backends; mentor junior developers; perform code reviews and debugging; modernize legacy apps; collaborate with designers, offshore teams, and stakeholders in Agile ceremonies.

Build and evolve the guest-facing booking experience using React and TypeScript. Collaborate with product, design, and backend to ship performant, accessible, and well-tested features. Improve conversion through profiling and experimentation, lead technical discussions and frontend architecture, mentor teammates, and champion engineering best practices across testing, performance, and accessibility.

Lead front-end development using React and JavaScript to build responsive, high-performance web applications. Collaborate with UX designers, build reusable components, implement dynamic forms and drag-and-drop features, optimize for cloud deployment and security, mentor junior developers, and maintain design standards and testable, maintainable code.

Design, build, and maintain scalable, responsive frontend applications using React, Vue, and TypeScript. Convert UI/UX designs to pixel-perfect interfaces, optimize performance and memory usage, ensure accessibility, integrate with backend APIs, and contribute to architectural and technical decisions while collaborating with product, design, and backend teams.

Design, build, and deliver front-end features with strong UX focus. Own technical design, coding, testing, deployment, and monitoring in a continuous delivery, microservices environment. Collaborate with Product, implement automated QA practices, and contribute to production deployments while practicing robust testing methodologies.

Lead frontend development of production web applications using Svelte and other frameworks. Build reusable components, integrate REST/GraphQL APIs, ensure UI/UX quality, accessibility, and performance. Lead a small team, coordinate releases with QA, write tests, follow Git and CI/CD workflows, and collaborate remotely with stakeholders across the US.

Design and build performant, accessible frontend solutions across web apps, email campaigns, kiosks, and interactive experiences. Collaborate with UX and backend teams, write maintainable tested code, drive test automation and performance optimization, maintain codebases, and mentor junior engineers.

Lead frontend and mobile rebuild of a healthcare scheduling platform using Vite + React 19 and Expo/React Native with a shared TypeScript layer. Own identity and access migration to a modern IAM, implement push notifications, build a component library/design system, instrument analytics and session replay, enforce WCAG 2.1 AA accessibility and performance standards, mentor mid-level engineers, and contribute to hiring.

The Frontend Engineer will collaborate with design and product teams to create responsive user interfaces, write maintainable code, and optimize performance for a financial platform.

Develop and improve real-time drone tele-operations features, cloud-based products, and quickly prototype new front-end experiences while transitioning to a new tech stack.

Lead frontend architecture and product development for member-facing web and mobile apps. Build high-performance, accessible React/React Native UIs, own end-to-end features including APIs and backend services, mentor engineers, drive design system and frontend standards, and collaborate with Product, Design, Clinical, and Data teams to deliver scalable, user-centered health experiences.

The Software Engineer (Frontend) at Metabase will develop user-friendly data tools, leveraging React and CSS while ensuring optimal communication and coding practices.

Build, optimize, and maintain high-performance front-end components using Adobe Edge Delivery Services. Implement content blocks, templates, and responsive HTML/CSS/JS aligned to EDS and AEM. Improve Core Web Vitals and accessibility, lead migration POC work, integrate with Adobe Experience Cloud, collaborate across UX, architecture, and backend teams, and contribute to reusable component libraries and documentation.

The Front End Web Developer translates UI/UX designs into code, develops web applications, advises on graphic design, and collaborates with teams in Agile projects.

The Front End Java Developer will design, develop, and enhance multi-tier web applications using AngularJS, jQuery, and SQL while meeting business requirements.

Translate design specs into pixel-perfect, responsive web interfaces using TypeScript, CSS3, and HTML. Follow design systems and accessibility (WCAG) standards, optimize frontend performance, resolve spec ambiguities, collaborate remotely via documentation and code reviews, and provide frontend expertise to support AI model evaluation.

Build responsive, accessible web applications using JavaScript/TypeScript and a modern framework. Translate designs into reusable UI components, integrate with APIs, improve performance and accessibility, write tests, participate in code reviews, and collaborate with design, QA, backend and product teams.

Design, build, and maintain Angular web application features using TypeScript, RxJS, and NgRx. Create reusable responsive UI components for media-heavy, real-time workflows. Collaborate with product, design, and platform engineers on API contracts, shipping features, and maintaining testing and performance best practices.

Build and evolve HR tech products remotely as a TypeScript/React developer. Implement web interfaces, backend logic, database structures, and integrations (payroll, email/SMS, eSign, billing). Participate in daily agile rituals, perform code reviews, write technical documentation, and collaborate across cross-functional teams. Communicate with development teams in Russian and use intermediate English for requirements and docs.

The Front-End Web Developer will create visually appealing web interfaces, collaborate with designers, and write scalable code using modern frameworks.

Design user interfaces and workflows in Figma, implement designs using Vue.js and Next.js, and collaborate with backend engineers on API integration.

Build full‑stack vertical slices for a mission-critical legacy modernization using agentic AI tools. Lead frontend UX with React/TypeScript, maintain component library and accessibility, implement Node APIs and Prisma/Postgres schemas, deploy AWS infrastructure, and ensure quality via TDD, CI, and Playwright while shipping small, continuous releases.