Top Front End Developer Jobs in Baltimore, MD

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.

Develop and sustain the WEBCANDID and TESTFLIGHT intelligence reporting tools. Responsibilities include front-end development, accessibility enhancements meeting Section 508 and WAI-ARIA standards, troubleshooting application interfaces, and redeveloping user interfaces. The role requires software engineering experience with Java and other high-level languages, object-oriented system design, Windows or Linux environments, and the ability to guide junior programmers and analysts.

Develop and sustain the TESTFLIGHT geospatial intelligence collaboration tool, including troubleshooting application interfaces, enhancing Section 508 accessibility, and redeveloping its frontend. The role requires Java, GWT, PrimeFaces, and Quarkus expertise, along with software engineering experience across analysis, integration, testing, maintenance, and problem resolution. The developer will also provide guidance to junior programmers and analysts while supporting intelligence reporting tool efforts.

Build and refine front-end experiences for web and mobile: onboarding, checkout, gallery features, design system and enterprise dashboard. Collaborate closely with designers and PMs, ship fast, maintain aesthetic quality, and iterate with user feedback using React, Next.js and TypeScript.

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.

Design, develop, integrate, and test full-stack Java applications using Java 1.8+, Angular 2+/React, and Spring frameworks. Work with MongoDB or relational databases, perform requirements analysis and system integration, and collaborate as a technical SME on secure, mission-focused software projects.

Build and deliver high-quality web assets (websites, landing pages, checkout flows). Collaborate with product, design, and stakeholders to implement responsive, pixel-perfect UIs, ensure analytics/data collection, optimize metrics, and maintain delivery processes.

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 front-end development of web applications using React and TypeScript. Build reusable components, collaborate with design/backend/AI teams, integrate APIs, optimize performance and accessibility, and iterate via A/B testing and analytics.

Design and implement frontend components for the Solidity compiler, optimize performance, develop integration layers, and collaborate with researchers to enhance security features.

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.

The Frontend Developer will design, build, and enhance user interfaces, collaborate with project teams, maintain responsive designs, debug issues, and ensure high performance.

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.

The Front-End Developer will create user interfaces using Vue.js, optimize application performance, collaborate with teams, and maintain code quality through testing and reviews.

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.

The role involves designing, building, and implementing new services, working closely with the product team, and taking ownership of projects from 0 to 1.

Develop innovative UI and web systems, managing project priorities and deadlines while working within a collaborative team environment.

Design and implement frontend applications using JS, CSS, React, and Flutter. Collaborate on technical specs and contribute to documentation, ensuring user experience and performance.

Design and develop web applications, mentor teammates, shape architectural decisions, write clean code, conduct testing, and troubleshoot issues.

Develop user-facing features using Vue.js, collaborate with back-end engineers, optimize performance, maintain code quality, and stay updated on blockchain trends.

Build and own WebGL and Three.js front-end experiences, including scene architecture, motion, visual design, performance, and accessibility. Prototype and validate products with users, use AI tools such as Cursor and Claude Code, and create reusable development patterns. Collaborate directly with company leadership, communicate technical constraints clearly, and progressively contribute across the full stack using Node, SQL, SST, and Drizzle.

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.

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.

Own the AMS frontend, designing and shipping React and TypeScript features for data-intensive grids, forms, dashboards, and widgets. Integrate RESTful APIs using TanStack Query, manage state with React Context or Zustand, implement SurveyJS forms, and optimize performance for large datasets. Collaborate with backend engineers and designers, contribute to code reviews and Agile ceremonies, and work across time zones with an Australia-based team. The role requires US citizenship and willingness to pursue future security clearance.