Senior Software Engineer - Front End (Library of Congress)

Join a remote-first engineering team delivering accessible, reliable, and user-centered digital services for the public sector. In this senior individual contributor role, you will build and maintain modern frontend applications that support important government services and initiatives. You will work primarily with Angular and modern web technologies, translating design specifications into responsive, accessible user experiences. Partnering with UX designers, backend engineers, QA specialists, and federal stakeholders, you will contribute throughout the software development lifecycle. You will also help strengthen engineering standards, automated testing, and shared design system components. This opportunity combines hands-on technical ownership with mentoring, collaboration, and the chance to make a meaningful impact through public-sector technology.

The ideal candidate combines extensive frontend engineering experience with strong collaboration skills and a commitment to accessible, high-quality software. Required qualifications include:

• At least 7 years of relevant engineering experience and a bachelor's degree, or equivalent additional professional experience in place of a degree.

• Proficiency in Angular, TypeScript, JavaScript, HTML5, CSS3, and responsive web development.

• Experience translating Figma or equivalent design specifications into functional user interfaces.

• Familiarity with automated testing frameworks such as Selenium, Cypress, or Playwright.

• Working knowledge of WCAG 2.1 AA accessibility standards and their practical application in frontend development.

• Experience integrating frontend applications with RESTful APIs and published OpenAPI specifications.

• Hands-on experience with Git, GitLab, CI/CD pipelines, and modern frontend development workflows.

• Ability to collaborate effectively with UX designers, product managers, backend engineers, and other technical stakeholders.

• Strong written and verbal communication skills, including the ability to explain technical concepts to non-technical audiences, customers, and federal stakeholders.

• Ability to meet federal suitability requirements and successfully pass a background investigation.

• Previous experience supporting federal civilian agencies or government digital services programs.

• An active Public Trust clearance.

• Experience building or maintaining design systems using Angular Material, USWDS, Storybook, or comparable component frameworks.

• Familiarity with frontend testing tools such as Cypress, Playwright, Jest, or Karma.

• Exposure to AWS-hosted applications and cloud-native architectures.

• Working knowledge of backend technologies such as Java or Python to support collaboration with backend engineering teams.

• Experience with microfrontend architectures or enterprise frontend platforms.

• Familiarity with SAFe or Agile delivery environments, including PI Planning and cross-functional coordination.

• Experience integrating applications with Login.gov, Pay.gov, identity providers, or authentication services.

• A track record of leading cross-functional frontend initiatives from initial concept through production delivery.