Senior Frontend Developer Job at Addison Group, Washington DC

VzY1cnBlVkxZMFViekJGRzV1SlNlcUNiS2c9PQ==
  • Addison Group
  • Washington DC

Job Description

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

Job Tags

Full time,

Similar Jobs

Aramark

Food Service Worker - Longwood - CFA-Moe's Job at Aramark

Job Description The Food Service Worker will assist the manager with food/meal preparation; maintain cash receipts and meal records. Assist manager in completing daily reports. Maintain high standards of quality in food production, sanitation, and kitchen safety practices...

Denali Water Solutions LLC

Class A Route Driver - Req. ID: 3276 Job at Denali Water Solutions LLC

 ...issues. Report all accidents and injuries immediately to the safety manager. Ability to work flexible hours based on seasonality, up to 60 hours in a 7-day week or 70 hours in 8 days. Attend and participate in weekly safety calls, trainings, or briefings.... 

ICON International, Inc.

Media Associate Job at ICON International, Inc.

 ...Build Your Media Buying Career Here! Company Overview Founded in 1986, ICON International provides clients with financial solutions built around the concept of corporate barter. We help businesses leverage their underperforming assets by trading those goods for high... 

The Middlesex Corporation

Outside Sales Representative - MRM Job at The Middlesex Corporation

 ...Massachusetts Ready Mix is seeking an experienced and driven Outside Sales Representative to help grow our footprint in the ready-mix...  ...dispatch, QC, and operations to ensure smooth order fulfillment and high customer satisfaction. Act as a technical resource for... 

PARSETEK INC

Security Guard Job at PARSETEK INC

 ...Education and Experience: Education equivalent to graduation from a standard high school; qualifying full-time law enforcement, security, or related experience may be substituted for the required education on a year-for-year basis. Other Requirements: A valid motor...