Senior Frontend Developer Job at Addison Group, Washington DC

MFlzM21QTE1TM1JrWG44U2ZlUEhpZ0MxNnc9PQ==
  • 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

Bob Jones University

Editorial Production Assistant Job at Bob Jones University

 ...ROLE SUMMARY: As an Editorial Production Assistant at BJU Press, the ideal candidate will play a supporting role on the Editorial team by embracing the mission of producing K12 educational materials with a biblical worldview for Christian schools and homeschools. You... 

Ethos Veterinary Health

Emergency Veterinary Technician Caregiver Job at Ethos Veterinary Health

 ...medicine and compassionate care for pets and the people who love them. We are looking for full-time Emergency Veterinary Technician Caregivers to join our team on overnights . If youre looking to advance your skill set and work in a fast-paced environment where every... 

COREcruitment Ltd

Executive Chef Job at COREcruitment Ltd

 ...Executive Chef - Snoqualmie, WA- Up to $140k Our client is a distinguished private golf club celebrated for its championship course and outstanding member experiences. This is an excellent opportunity to join a team and a company committed to providing its employees... 

Kensington Vanguard

Reader Job at Kensington Vanguard

 ...Benefits: ~ Health insurance ~ Dental insurance ~ Vision insurance ~ Employer Paid Life insurance ~ Employer Paid LTD ~ Paid Time Off ~401(k)~401(k) Employer Match ~ Flexible Spending Account ~ Health Savings Account ~ Employee Assistance Program... 

Berman, Berman, Berman, Schneider & Lowary LLP

Law and Motion Attorney Job at Berman, Berman, Berman, Schneider & Lowary LLP

 ...Berman, Berman, Schneider & Lowary LLP (B3SL) is a corporate and insurance defense and coverage firm based in Los Angeles, CA with a...  ...Attorney will be responsible for handling various Law & motion work inclusive of responsive pleadings and dispositive motions....