Top Senior Front End Developer Jobs in Baltimore, MD

Build, enhance, and maintain web applications using JavaScript/CSS/HTML and modern frameworks; collaborate with designers, backend engineers, and data scientists; interact with REST APIs; troubleshoot customer issues; perform code reviews, write unit tests, and conduct QA.

Provide technical leadership for frontend platform architecture across web and mobile. Evolve Angular-based applications, micro-frontends, shared component libraries, observability, analytics instrumentation, and performance. Collaborate with Product, UX, Security, and DevOps to design scalable solutions, improve release processes, troubleshoot production incidents, mentor engineers, and drive frontend modernization and standards.

Build and maintain fast, intuitive frontend applications for blockchain and Web3 products. Collaborate with product, design, and engineering teams; develop reusable components and frontend architecture; integrate wallets and smart-contract interactions; improve performance, reliability, and accessibility; participate in technical planning and code reviews; mentor other developers and establish frontend best practices.

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 at Cinch, you'll lead the modernization and performance optimization of React-based user interfaces, collaborate with cross-functional teams, and architect scalable UI systems with a focus on AI-driven experiences.

Own and build the JTX frontend across web and mobile: real-time order books, charts, order entry, positions, wallet/signing flows. Optimize for low-latency streaming data, performance, security, and cross-platform consistency while making long-term architectural decisions and shipping rapidly.

Lead frontend architecture and execution for high-traffic Search features using React and TypeScript. Build map-based visualizations, optimize client-side performance and state management, collaborate with product/design/backend, conduct code reviews, mentor peers, and ship production-grade web features.

Lead development of interactive React front-ends with Chakra UI and Mapbox, build data visualizations (Plotly/ApexCharts), optimize performance for large and real-time datasets, enforce front-end best practices, mentor engineers, and collaborate with product, design, and backend teams to deliver accessible, responsive interfaces.

As a Senior Frontend Software Engineer, you'll develop user-facing features using React and TypeScript, ensuring performance and cross-device compatibility while collaborating with teams to maintain a component library.

Develop and maintain WordPress websites, create custom themes and plugins, ensure cross-browser compatibility, and optimize for SEO. Provide guidance on user experience and explore new technologies.

As a Senior Software Engineer, you will lead frontend development, define architecture, optimize performance, and collaborate across teams to create user-friendly logistics applications.

Build the realtime, HIPAA-compliant messaging and collaboration frontend ('Pulse') that makes an AI colleague feel human. Implement complex interactive data visualizations, micro-interactions, and high-performance accessible interfaces. Work embedded with product and design, own UI quality, iterate on AI-driven specs, and deliver production frontend experiences clinicians will trust.

Develop and maintain user interfaces and interactive web applications, ensuring usability and accessibility while collaborating with design and backend teams. Lead technical deliverables and optimize front-end performance in an Agile environment.

Develop and maintain scalable, responsive, high-performing web applications using Angular, JavaScript, and TypeScript. Collaborate with product managers, UX designers, backend engineers, and QA teams to deliver quality digital experiences. Integrate REST APIs, implement reusable component and state-management patterns, troubleshoot issues, optimize performance, and support Agile/Scrum development while using monitoring, testing, and source-control tools.

Build and maintain a polished web portal for a premium banking and travel rewards platform using React. Collaborate with designers and engineers on feature scope and product direction, participate in code and design reviews, write well-architected code, tests, and documentation, establish frontend architecture standards, and mentor team members. The role also involves database and API integrations in a fully remote startup environment.

Develop and sustain a high-performance geospatial collaboration reporting tool. Enhance and redevelop the frontend to meet Section 508 accessibility requirements, troubleshoot interfaces between applications, and implement feature improvements and maintenance for the reporting tool suite.

Develop and sustain a mission-critical reporting and geospatial collaboration frontend. Redevelop and enhance the UI for Section 508 accessibility, maintain interfaces between applications, troubleshoot issues, and support ongoing feature enhancements and testing for intelligence community reporting tools.

Lead frontend development for web and mobile using Flutter, ensure WCAG-compliant accessible UIs, implement frontend monitoring and release management for iOS/Android, mentor engineers, architect monorepos and native bridges, and collaborate with product and design to deliver performant, inclusive user experiences.

Build and maintain intuitive frontend web applications for data upload, search, visualization, and interactive 2D/3D geospatial tools. Collaborate with scientists to design complex visualizations, modernize the frontend stack, mentor junior developers, and implement automated UI testing and deployment pipelines.

Develop and enhance interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end web technologies. Build UI/UX components, integrate REST APIs, optimize performance and scalability, review designs, document changes, participate in code reviews, and collaborate with technical teams. The remote role supports a Washington, DC-based federal customer and requires Public Trust clearance and U.S. citizenship.

Build and scale customer-facing eCommerce and subscription experiences using React and Next.js. Translate designs into responsive, accessible, high-performance features, integrate APIs and third-party services, optimize Core Web Vitals, write tested code, review pull requests, resolve bugs, and own projects through deployment. Collaborate with product, design, marketing, backend engineering, and operations while contributing to architecture and engineering process improvements.

Design, build, and maintain scalable, responsive web applications using React and TypeScript. Create reusable UI components, implement end-to-end tests with Cypress, optimize performance, collaborate with product/design/backend teams, participate in code reviews, mentor junior engineers, and contribute to architecture and API integrations.

Lead frontend architecture and implementation for new products using React, TypeScript, and Next.js. Collaborate with Product and Design, define patterns and testing strategies, ensure performance, accessibility, and observability, mentor engineers, and drive cross-team initiatives to align frontend systems with backend APIs and platform requirements.

The Senior UI/UX Frontend Developer will design and develop front-end solutions, lead development efforts, and optimize user experiences, ensuring standards compliance and enhancing performance.

Build and ship production frontend features using modern web technologies (Vue.js/TypeScript). Collaborate with product in a cross-functional squad to iterate UX, deliver secure, stable code, and create reusable, testable components. Operate in an AI-first workflow using agentic tools, participate in Git-based development, and apply basic AWS services to solve business problems.