Frontend Engineer

• Lead the rebuild of a federal agency's internal web application
• Replace an aging content-management front end with a modern React application
• Own the architecture from components to the interface tier that feeds them
• Migrate content and data flows from legacy system to the new React environment
• Collaborate with the team to build and set standards for how others build
• Ensure compliance with accessibility (Section 508) and security standards in a regulated environment

Senior React Developer

• Help rebuild a federal agency's internal web application
• Build React components and services
• Contribute to Node.js middleware and API tier
• Collaborate with a team and contribute to projects

React Developer

• Support an application tech stack modernization effort for a federal financial record-keeping system.
• Responsible for converting legacy JSP code to React.
• Create high-quality, accessible, and performant user interfaces that support mission-critical initiatives.
• Collaborate closely with product owners, designers, and backend engineers.

Senior React UI Developer

• Develop and implement responsive web pages and applications for both legacy and modernized systems.
• Collaborate with product management, designers, and engineering teams to define and implement innovative UI/UX solutions.
• Execute all visual design stages, from concept to final hand-off with engineering.
• Conceptualize original ideas that simplify complex workflows and enhance user experience.
• Create wireframes, storyboards, user flows, process flows, and site maps to effectively communicate design concepts.
• Present designs and milestone deliverables to stakeholders for feedback and approval.
• Conduct user research and integrate feedback into iterative design improvements.
• Establish and promote design guidelines, best practices, and UI/UX standards.
• Analyze user needs and develop or customize software solutions to optimize operational efficiency.
• Collaborate on database design within an application area as needed, working independently or as part of a development team.
• Help support the development and use of Restful APIs.

Senior UI/UX Frontend Software Developer - TS/SCI

• Design, develop, test, and deploy full-stack web applications using modern JavaScript/TypeScript frameworks (React, Angular, Node.js) across the frontend and backend.
• Build and maintain RESTful APIs and serverless/microservice components that are secure, performant, and well-documented.
• Develop responsive, user-friendly, and visually compelling interfaces following UX/UI best practices and accessibility standards (Section 508 compliance).
• Build and maintain Azure Static Web Apps and integrate with headless CMS platforms (e.g., Payload, Contentful, Strapi, Sanity, Sitecore, or similar) to power content-driven experiences.
• Implement and follow GitHub Flow branching strategies and GitOps practices for reliable, traceable deployments.
• Leverage GitHub Copilot to accelerate development while maintaining code quality and ownership.
• Use GitHub Codespaces for consistent, cloud-based development environments across the team.
• Integrate and act on findings from GitHub Advanced Security (CodeQL, secret scanning, Dependabot) to keep applications secure by default.
• Participate in code reviews, providing constructive feedback and learning from peers.
• Work with relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Redis) databases — designing schemas, writing efficient queries, and optimizing performance.
• Collaborate in an Agile/Scrum environment, contributing to sprint planning, stand-ups, and retrospectives.
• Troubleshoot, debug, and resolve production issues across the full stack.
• Contribute to CI/CD pipelines (GitHub Actions) and participate in deployment activities.
• Mentor junior developers and share knowledge through documentation and tech talks.

Mid-level Full Stack Developer, Typescript, Azure

• Design and build responsive, high‑performance user interfaces using Node.js, React, JavaScript, TypeScript, HTML, and CSS.
• Develop modular, maintainable UI components aligned with modern front‑end engineering best practices and design system standards.
• Integrate front‑end applications with .NET backend services using REST APIs and common data formats such as JSON and XML.
• Implement client-side state management and optimize rendering for scalable, enterprise‑grade applications.
• Collaborate with UX/UI designers and backend engineers to ensure seamless end‑to‑end functionality and consistent user experiences.
• Participate in code reviews, contributing to and enforcing standards for readability, quality, security, and maintainability.
• Use Git and GitLab for source control, branching strategies, code review, and merge request workflows.
• Ensure that front‑end applications meet accessibility, security, and performance requirements in line with federal and organizational standards.
• Troubleshoot and resolve UI issues across environments, browsers, and devices, including cross‑browser compatibility and responsive behavior.
• Work within AWS cloud-hosted environments, collaborating with DevOps and backend teams to support deployments as part of the overall delivery pipeline.
• Contribute to continuous improvement efforts, recommending enhancements to tooling, development practices, and user experience.

Front End Developer

• Support enterprise Linux engineering, automation, platform modernization, and application deployment initiatives.
• Provide technical leadership and hands-on support for Red Hat Enterprise Linux, Red Hat Satellite, and Ansible Automation Platform.
• Support automation content development, RPM application patching and deployment, RHEL migration, FIPS-enabled systems, disconnected content delivery, implementation planning, documentation, and customer knowledge transfer.
• Provide subject matter expertise for Red Hat Enterprise Linux, Red Hat Satellite, and Ansible Automation Platform.
• Assess current Linux environments and develop implementation-ready technical roadmaps.
• Design, develop, test, and maintain Ansible playbooks, roles, inventories, templates, and automation workflows.
• Support installation, configuration, integration, administration, and troubleshooting of Ansible Automation Platform.
• Support Red Hat Enterprise Linux 8 and 9 migration planning, testing, remediation, and execution.
• Support Red Hat Satellite configuration, content management, lifecycle environments, activation keys, repositories, and patching processes.
• Plan and execute RPM-based application packaging, patching, deployment, rollback, and validation activities.
• Support configuration and maintenance of FIPS-enabled Red Hat systems.
• Develop methods for delivering software, patches, repositories, automation content, and dependencies in disconnected or air-gapped environments.
• Troubleshoot operating system, package, repository, automation, authentication, and integration issues.
• Develop technical overviews, architecture recommendations, implementation procedures, runbooks, and operational documentation.
• Conduct technical reviews, demonstrations, workshops, and knowledge transfer sessions.
• Collaborate with infrastructure, application, cybersecurity, network, and customer operations teams.
• Support validation, operational readiness, transition, and post-implementation stabilization activities.

Red Hat Linux Engineer – TS/SCI CI Poly

• Identify, analyze, and remediate critical vulnerabilities, logic flaws, insecure dependencies, and misconfigurations in web applications and APIs.
• Drive the vulnerability lifecycle through threat modeling, security assessments, and technical validation of remediation actions.
• Support secure design patterns, data protection mechanisms, and secure communication protocols across applications and supporting services.
• Review and analyze web server and application logs to detect anomalies and indicators of compromise.
• Implement automation scripts for threat intelligence integration and application security monitoring.
• Participate in audits, risk assessments, and security authorization activities tied to federal frameworks.

Web Developer, Security Engineer

• Develop and maintain front-end features using React
• Integrate with Amazon Web Services (AWS) and Material
• Design API Utilize HTML5, CSS3, and Bootstrap for front-end development
• Follow Agile and Scrum Methodologies for project management
• Utilize Version Control and CI/CD tools such as Git, Azure DevOps, and Jenkins
• Meet 50% onsite requirements in Washington, DC

Frontend Engineer jobs in District of Columbia

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