Addison Group
Job Title:
Senior Frontend Developer Location:
Washington, DC Employment Type:
Full-time | Onsite
Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.
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
Senior Frontend Developer Location:
Washington, DC Employment Type:
Full-time | Onsite
Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.
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