Senior Frontend Developer Job at Addison Group, Washington DC

UnQrd3NGZlIwUm1qUG5iNG9EVHR0V0h1RlE9PQ==
  • 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

The Mental Health Coalition

Travel Ultrasound Tech in Aurora, CO - $4442/month Job at The Mental Health Coalition

We are seeking a dedicated Travel Ultrasound Tech to join our team in Aurora, CO, offering a competitive pay of $4,442/month. Responsibilities Include Performing diagnostic ultrasound procedures across various departments Ensuring high-quality imaging and accurate... 

Kaiser Permanente

RN, Outpatient OFN-Dual, Urgent Care (25/North Lancaster) Job at Kaiser Permanente

 ...Summary: The RN participates as a member of the health care team in delivering quality health care to patients, which supports Kaiser Permanentes mission, vision and values. The RN provides a variety of nursing services in person and/or by phone utilizing the nursing... 

New York Medical College

Clinical Research Associate Job at New York Medical College

 ...Overview Responsible for pre-clinical trial set up, initial and ongoing regulatory submission and IRB activities, subject screening...  ...compliance in conjunction with the PI, clinical team and clinical research nurses and team. Responsibilities Assist in new IRB... 

FUR BNB LLC

Dog Daycare Attendant/Overnight Shift Manager Job at FUR BNB LLC

 ...Summary Provide professional and enriching dog care services in a structured, welcoming,...  ...certification mandatory. The ability to walk/stand for extended periods of time, lift...  ...will be given to candidates with direct experience and valid certifications within the dog... 

Quest Global

Audio Validation Engineer Job at Quest Global

 ...the job poster from Quest GlobalTalent Acquisition Partner - North America at Quest Global We are seeking an experienced Audio Validation Engineer to join our product development support team. The successful candidate will work closely with our tier 1 customer in the NPI...