Senior Frontend Developer Job at Addison Group, Washington DC

b0hNcytOSEpXcnJCRHdZWkRnNWJRSStqTHc9PQ==
  • 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

Robinson Aviation

Air Traffic Control Specialist Job at Robinson Aviation

 ...Job Description Job Description Summary Responsible for the safe, orderly, and expeditious flow of air traffic control duties in a Visual Flight Rules (VFR) Air Traffic Control Tower. Dimensions of Position Works under the general supervision of the Tower... 

Wayne Hospital Company

Part time - Rehab- Physical Therapist- Full Time- Day Shift Job at Wayne Hospital Company

SIGN ON BONUS WITH NO COMMITTMENT OFFERED !! This is a part-time position working 32 hours per week, Dayshift This position may be scheduled...  ...the Hospital and Rehab Facility. Flexibility is key as off shift hours could be required. The Physical Therapist reports to the... 

NW Sports Physical Therapy

Physical Therapist Job at NW Sports Physical Therapy

 ...NW Sports Physical Therapy, a brand partner of Upstream Rehabilitation, is looking for a Physical Therapist to join our team in Gig Harbor Gig Harbor Clinic details... Northwest Sports Physical Therapy gives you the autotomy to create your own schedule!... 

Alliance Personnel

Personal Driver Job at Alliance Personnel

 ...Location: Honolulu Compensation: $18-$20/hour Employment Type: Full Time Work Schedule: Monday-Friday 9am-5pm A personal driver is responsible for providing reliable, safe, and timely transportation services for an individual, family, or executive. This role... 

B.E.L. & Associates, Inc.

Radiology Physician Job at B.E.L. & Associates, Inc.

 ...hospital facility in the Pittsburgh marketplace. Employee or Independent Contractor - your choice. Can work days or evenings or weekends. Prefer someone with body...  ...desired. Salary to match with experience. Great opportunity for a Radiologist interested in working from home....