Top Front End Developer Jobs in Baltimore, MD

The role involves developing large-scale applications using HTML, CSS, JavaScript, and React/WordPress, code reviews, and crafting UI components while ensuring high quality and accessibility.

The QA Engineer will ensure quality across web and frontend experiences, build automated test coverage, and improve release confidence through collaboration.

Lead design and delivery of scalable front-end features using HTML, CSS, and JavaScript/TypeScript. Drive architecture decisions, code reviews, testing (TDD/A-B), CI/CD, and on-call support. Collaborate with product, design, and engineering, build reusable libraries, troubleshoot client issues, mentor teammates, and participate in hiring and interviews.

Build and maintain performant frontend components and pages using React and Next.js; consume GraphQL APIs via Apollo; implement accessible reusable UI aligned to Yahoo UDS; write tests and support CI/CD; optimize frontend performance; own features end-to-end and collaborate with backend, design, and product teams.

The Senior Frontend Engineer will own feature development, enhance CircleIn's frontend products, build efficient systems, and mentor team members.

As a Senior Frontend Engineer at Mozilla, you'll build user interfaces for Firefox, collaborate with teams, maintain code quality, and mentor peers while focusing on accessibility and usability.

The role involves building creative tools for content editing, enhancing features with PixiJS and WebGL, and improving collaboration workflows.

Own and evolve the front-end architecture for a high-throughput, real-time trading app using Next.js, React, and TypeScript. Build pixel-accurate, accessible, responsive UIs under strict performance budgets; optimize rendering, state management, data flow, and bundle size for sub-second interactions. Integrate with REST and WebSocket APIs, lead end-to-end feature development, set engineering standards, mentor engineers, and contribute across the stack when needed.

Lead development of a Shopify Headless storefront using React and TypeScript. Build pixel-perfect, accessible, performance-optimized eCommerce pages, implement Shopify Functions, integrate GraphQL APIs and third-party services, evolve a Storybook design system, and collaborate with designers, product, QA, and backend engineers to maintain best practices and documentation.

Design and implement front-end features, build high-quality user interfaces, take ownership of product and architecture decisions, collaborate with engineering team, and deliver performant, user-focused solutions.

Develop responsive, well-tested web applications and lead frontend engineering initiatives while fostering technical excellence and improving frontend practices.

Build user-facing features with React and TypeScript, implement responsive UIs from Figma, collaborate with design, deploy via continuous deployment, learn Node.js/backend, use AI coding tools, and ship production-ready features while receiving mentorship.

Build and ship performant, polished frontend features using React/TypeScript. Refactor code incrementally, implement smooth animations, contribute to backend Node.js APIs when needed, use AI-assisted tools, own production deployments, and collaborate directly with CTO/CPO on product and design.

As a Senior Design Engineer, you will build and evolve the design system and frontend components, collaborate with teams, ensure code quality, and improve developer experience.

As a Senior Design Engineer at Benepass, you will build and evolve the design system, collaborate with Design and Product teams, and drive high-quality frontend development while improving developer experience.

Build and maintain TypeScript/React frontends and SDKs for the Nomina web3 platform, create user-facing dapps, improve developer documentation and DX, and collaborate with product and engineering to deliver high-quality, mobile-friendly features.

As a Senior Frontend Engineer, you'll build the frontend Graph Semantic Layer with React and TypeScript, developing complex data visualizations and collaborating closely with design and product leadership.

As a Senior Frontend Engineer, you'll build and maintain a fraud prevention platform UI using ReactJS, collaborating with backend teams and ensuring code quality through tests and CI/CD processes.

Senior Front End Software Engineer to sustain and enhance mission-critical government software. Role requires front-end UI/UX architecture, React development, backend integration (APIs, NodeJS/Java/Spring Boot), cloud/container tooling, and working with data stores like MongoDB and Elasticsearch. Must hold required security clearance and collaborate across engineering teams.

Develop and sustain mission-critical front-end applications for a U.S. Government customer. Lead UI/UX architecture, implement APIs and React-based interfaces, integrate with NodeJS/Java backends, and use Docker/Podman, AWS, MongoDB, and Elasticsearch in an Agile environment.

Design, implement, and maintain frontend applications and internal tools. Own delivery of high-visibility features, collaborate with cross-functional teams, mentor peers, and ensure performant, accessible, polished user interfaces integrated with backend systems.

Design, implement, and maintain frontend and mobile applications for Trading API customers. Own high-visibility features end-to-end, ensure performance, responsiveness, accessibility, and mentor peers while collaborating with cross-functional teams.

Develop and maintain user interface elements, utilize Vaadin, and train team members on front-end development while focusing on customer experience solutions.

The Senior Software Engineer will develop features for Phantom's web platforms, lead new product initiatives, interface with users, and contribute to team culture.

The role involves building robust software solutions, mentoring engineers, analyzing business problems, and contributing to technical strategy in a collaborative environment.