Senior Frontend Engineer (15 months, Convertible)
First seen by Alion on Nov 2, 2026.
About the role
We are looking for a Frontend Engineer to join a project team delivering a modern intranet platform for a government tax agency. You will work closely with product managers, backend engineers, and UX designers to build intuitive internal tools that streamline tax administration workflows used by thousands of public officers daily. This is an opportunity to contribute to meaningful public infrastructure — helping modernise legacy systems and improve the day-to-day experience of government employees.
Key responsibilities
Build and maintain responsive, performant web applications using React and TypeScript
Translate UX wireframes and design specs into clean, accessible UI components
Collaborate with backend engineers to integrate RESTful APIs and define data contracts
Write unit and integration tests to maintain code quality and reliability
Participate in code reviews, technical discussions, and sprint ceremonies
Identify and resolve performance bottlenecks and cross-browser compatibility issues
Contribute to and maintain a shared component library
About you
6+ years of frontend development experience
Strong proficiency in TypeScript and React (hooks, context, component patterns)
Solid understanding of HTML, CSS, and responsive design principles
Experience consuming and integrating REST APIs
Familiarity with modern tooling: Vite or Webpack, ESLint, Git
Ability to write maintainable, well-tested code
Experience with state management libraries (Zustand, Redux Toolkit, or similar)
Exposure to design systems or component libraries (e.g. Ant Design, MUI)
Prior work on internal tooling, enterprise systems, or government/public sector projects
Familiarity with accessibility standards (WCAG 2.1)
Skills
Code Review, CSS, Unit Testing, TypeScript, JavaScript, HTML5, UI, Backend Integrations, Ui Wireframes, Cross-browser Compatibility, Responsive Design, Library Maintenance, Front-End Engineering and Design, Technical Communication, React.js