Software Engineer II - Front End/ Back End

Ad Hoc LLC is a technology company that empowers organizations to deliver scalable, impactful digital services. They are seeking a Software Engineer II – Front End to build accessible and performant user-facing interfaces for government services, while collaborating with stakeholders and participating in design and planning sessions.

Responsibilities:

• Builds responsive, accessible user interfaces using modern JavaScript/TypeScript and React, translating designs and requirements into clean, reusable, component-based code with a moderate level of feedback and guidance from their team
• Implements interfaces to meet Section 508 and WCAG 2.1 AA accessibility standards, ensuring products are usable by everyone who depends on them
• Consumes and integrates RESTful APIs to power dynamic, data-driven front-end applications
• Estimates and completes development tasks including coding, requirements gathering, and analysis
• Writes and maintains front-end unit, integration, and end-to-end tests, along with monitoring/instrumentation and analytics, as appropriate for the given task
• Debugs, optimizes, maintains, and monitors their work across browsers and devices in both test and production environments, with attention to performance, load times, and cross-browser compatibility
• Contributes to deployment pipeline changes and participates in on-call rotations with their team as necessary
• Builds technical and communication skills, gaining context around surrounding areas of the system
• Participates in planning sessions, building an understanding of major front-end architectures, design systems, and component patterns
• Actively participates in design and asks questions to work toward understanding of technical trade-offs, interactions, and dependencies in the system
• Develops influential skills to help make tactical decisions and supports onboarding for new developers
• Exhibits understanding for other roles and practices, including how engineering, design, and product are intended to work together

Requirements:

• Bachelor's degree and 5+ years of engineering experience
• US Citizen
• Required to have resided within the United States for three or more years out of the last five years
• Will be required to undergo a background investigation to gain a Public Trust Security Clearance
• Builds responsive, accessible user interfaces using modern JavaScript/TypeScript and React, translating designs and requirements into clean, reusable, component-based code with a moderate level of feedback and guidance from their team
• Implements interfaces to meet Section 508 and WCAG 2.1 AA accessibility standards, ensuring products are usable by everyone who depends on them
• Consumes and integrates RESTful APIs to power dynamic, data-driven front-end applications
• Estimates and completes development tasks including coding, requirements gathering, and analysis
• Writes and maintains front-end unit, integration, and end-to-end tests, along with monitoring/instrumentation and analytics, as appropriate for the given task
• Debugs, optimizes, maintains, and monitors their work across browsers and devices in both test and production environments, with attention to performance, load times, and cross-browser compatibility
• Contributes to deployment pipeline changes and participates in on-call rotations with their team as necessary
• Builds technical and communication skills, gaining context around surrounding areas of the system
• Participates in planning sessions, building an understanding of major front-end architectures, design systems, and component patterns
• Actively participates in design and asks questions to work toward understanding of technical trade-offs, interactions, and dependencies in the system
• Develops influential skills to help make tactical decisions and supports onboarding for new developers
• Exhibits understanding for other roles and practices, including how engineering, design, and product are intended to work together
• Strong front-end engineering experience with JavaScript and TypeScript
• Production experience building applications with React (including hooks, component composition, and state management such as Redux or Context API)
• Proficiency with semantic HTML5, modern CSS3, and preprocessors such as Sass/SCSS, including responsive and mobile-first design
• Demonstrated experience building to accessibility standards — Section 508 and WCAG 2.1 AA — and familiarity with the U.S. Web Design System (USWDS)
• Experience consuming and integrating RESTful APIs (and/or GraphQL)
• Familiarity with front-end testing frameworks such as Jest, React Testing Library, Cypress, or Playwright
• Experience with modern build tooling and bundlers (e.g., Vite, Webpack), package managers, and Git-based version control
• Experience with CI/CD deployment pipelines
• Understanding of web performance optimization, cross-browser compatibility, and component-driven design systems
• Experience within an Agile Scrum environment