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ICF International

Global solutions provider delivering technology-driven consulting

Front End Web Developer

Frontend EngineeringConfirmed live in the last 24 hours
Full-timeReston, VA, USA$89.6k - $152.4kRemote

About the Job

Requirements

  • A bachelor’s degree in computer science, software engineering, information systems, design technology, or a related field, or equivalent professional experience.
  • At least 3 years of experience developing and supporting resilient, well-tested web applications using HTML, CSS, and JavaScript or TypeScript, including browser debugging.
  • At least 2 years of experience integrating REST APIs and JSON, with working knowledge of HTTP and HTTPS/TLS.
  • At least 2 years of experience using React, Angular, Vue, or a comparable framework to build responsive layouts, reusable components, and complex forms with conditional behavior, client-side validation, and error handling.
  • At least 1 year of experience applying accessible development practices, including semantic HTML, keyboard navigation, and focus management, with working knowledge of Section 508 or WCAG requirements.
  • At least 1 year of experience writing automated frontend unit tests, with exposure to integration and end-to-end testing, and using package managers, build tools, and Git-based workflows, including pull requests and code reviews.
  • Authorization to work in the United States, ability to perform all work within the United States, and ability to obtain and maintain a favorable Public Trust determination and complete required background screening.

Responsibilities

  • Develop and maintain responsive web interfaces using HTML, CSS, JavaScript or TypeScript, and a modern component-based framework or library.
  • Translate user experience designs, prototypes, and acceptance criteria into reusable, accessible, production-ready components.
  • Build complex forms, client-side validation, data tables, workflow interactions, notifications, and reporting interfaces for data-intensive applications.
  • Integrate frontend applications with REST APIs, authentication services, analytics, and backend capabilities implemented in .NET.
  • Write and maintain unit, integration, regression, and end-to-end tests for user interface behavior and critical workflows.
  • Apply semantic HTML, keyboard support, screen-reader compatibility, color and focus requirements, Section 508, and WCAG standards throughout development.
  • Improve frontend performance, browser compatibility, error handling, usability, and maintainability through measurement and iterative refinement.
  • Participate in Agile planning, estimation, code reviews, demonstrations, release activities, and user acceptance testing support.
  • Collaborate with design, accessibility, backend engineering, quality assurance, security, product, and client stakeholders.
  • Maintain documentation for components, interaction patterns, build tooling, testing, and frontend development standards.
  • Build responsive, accessible, and maintainable interfaces for complex data collection and reporting workflows; translate user experience designs into production-ready components; connect interfaces to .NET services and REST APIs; implement client-side validation and workflow behavior; and write automated tests to support dependable releases.
  • Help improve the usability and consistency of an active federal application while modernizing legacy interfaces incrementally, strengthening the component and design system, and improving performance and accessibility.

Desired Qualifications

  • Experience with the U.S. Web Design System or another mature design system, including extending accessible, reusable components.
  • Experience incrementally modernizing legacy interfaces within .NET, ASP.NET MVC, or Razor-based applications.
  • Experience building data-intensive interfaces, such as configurable data-entry workflows, complex data tables, dashboards, or reporting tools.
  • Experience integrating interfaces with federated identity, single sign-on, multifactor authentication, or role-based access.
  • Experience improving frontend performance and reliability through monitoring, analytics, error tracking, browser compatibility testing, and automated deployment pipelines.
  • Experience supporting federal or public health applications, including familiarity with secure cloud environments, federal security and privacy requirements, or sensitive data handling.

About the Company

ICF International

Global solutions provider delivering technology-driven consulting

ICF International is a global solutions and technology provider that helps organizations tackle complex challenges and manage change. It combines deep expertise with technology-enabled services to deliver advisory, program management, and digital/analytic solutions that support clients across sectors. Its approach centers on applying specialized knowledge and data-driven tools to meet client needs and implement practical outcomes. The company differentiates itself by blending broad, deep expertise with technology to deliver integrated, end-to-end services at scale, rather than focusing on a single niche. Its goal is to help clients solve difficult problems, navigate transitions, and shape the future by delivering practical, measurable results.

Company size
10,001+
Company stage
IPO
Headquarters
Reston, VA
Founded
2020

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