Senior Frontend Developer

Job Title: Senior Frontend Developer

Location: Washington, DC

Employment Type: Full-time | Onsite

About the Role

We’re looking for a Senior Frontend Developer to lead the development of engaging, scalable, and high-performance web applications. You’ll work closely with product managers, designers, and backend engineers to turn complex business requirements into intuitive user experiences. As a senior team member, you’ll help shape the frontend architecture, mentor junior developers, and advocate for best practices in modern UI development.

Key Responsibilities

• Design and build responsive, user-centric web interfaces using modern JavaScript frameworks (React, Angular, or Vue).
• Translate product requirements and UX wireframes into functional, maintainable code.
• Optimize applications for speed, performance, accessibility, and scalability.
• Collaborate with backend developers to integrate RESTful APIs and other services.
• Ensure code quality through automated testing, code reviews, and continuous integration practices.
• Lead architectural discussions and front-end technology strategy decisions.
• Stay current with industry trends and emerging frontend technologies.
• Mentor and support junior developers, fostering knowledge sharing across the team.

Required Qualifications

• 12+ years of professional experience in frontend development
• Expert-level proficiency in HTML5, CSS3, JavaScript (ES6+)
• Strong experience with one or more modern JS frameworks: React, Angular, or Vue.js
• Experience with state management libraries (e.g., Redux, MobX, Vuex)
• Proficiency in using build tools and package managers (Webpack, Vite, NPM/Yarn )
• Familiarity with RESTful APIs , GraphQL, and integrating backend services
• Understanding of responsive design , cross-browser compatibility, and accessibility (WCAG)
• Experience with version control tools like Git

Preferred Qualifications

• Experience with TypeScript
• Familiarity with Next.js , Nuxt.js , or server-side rendering (SSR)
• Experience with design systems and component libraries (e.g., Material UI, Tailwind, Bootstrap)
• Exposure to testing frameworks (e.g., Jest, Cypress, Playwright )
• Understanding of CI/CD pipelines and deployment workflows
• Prior experience in Agile/Scrum development environments