Senior Software Engineer - Front End (Library of Congress)

Team: IT

Location: US

Commitment: Full-time

Workplace Type: remote

Accountabilities

As a Senior Software Engineer - Front End, you will take ownership of frontend development activities while contributing to delivery strategy, engineering quality, and continuous improvement. Your responsibilities will include:

• Build, enhance, and maintain user-facing applications using Angular, TypeScript, JavaScript, HTML, and CSS.

• Translate Figma designs into responsive interfaces using federal Design System components and established frontend standards.

• Develop and maintain end-to-end UI tests using frameworks such as Selenium and Cypress, supporting automated test coverage for new and modified code.

• Ensure frontend implementations comply with WCAG 2.1 AA accessibility standards in collaboration with UX and accessibility specialists.

• Debug, optimize, and monitor applications across testing and production environments, contributing to CI/CD pipeline improvements as needed.

• Participate in mandatory peer code reviews and apply the four-eyes principle to all code commits.

• Collaborate with backend engineers, QA specialists, UX designers, and product stakeholders to deliver complete features from refinement through production deployment.

• Participate in SAFe delivery ceremonies, including sprint planning, daily standups, sprint reviews, and retrospectives.

• Contribute to the development and maintenance of shared Design System components to ensure consistency across application modules.

• Provide technical guidance and mentoring while developing leadership capabilities within the engineering team.

• Support on-call rotations when required and build cross-functional knowledge through paired programming.

Requirements

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 bachelors 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.

Preferred qualifications include:

• 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.

Benefits

• Annual starting salary range of $100,000–$135,000, depending on skills, experience, and role-related responsibilities.

• Company-subsidized health, dental, and vision insurance.

• Flexible paid time off.

• 401(k) retirement plan with employer matching.

• Paid parental leave after one year of service.

• Employee Assistance Program.

• Fully remote work arrangement within the United States.

• Opportunity to contribute to meaningful public-sector digital services within a collaborative, remote-first environment.