Senior Frontend Developer Job at Addison Group, Washington DC

cnBXSzY0QVFON282NUJtQVNaS2N1UDBGMmc9PQ==
  • 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

BVNK

Blockchain Engineer Job at BVNK

 ...Were looking for a talented Blockchain Engineer to join our team. Our goal is to build out seamless cross-border payments involving both...  ...simplest but most effective approach in everything we do Develop future-proof products, focusing on delivering quality code consistently... 

The Vincit Group

Spare Parts/Chemical Systems Coordinator Job at The Vincit Group

JOB SUMMARY: The role is responsible for receiving and processing all spare parts requests from ITG clients along with taking a customers written Scope of Work (SOW), developing a quote based on the SOW, and managing the project should we receive a purchase order based...

Harnham

Senior Data Scientist Job at Harnham

 ...Ready to Shape the Future of Data Science in a Global Consumer Brand? A major player in the Quick Service Restaurant (QSR) space is building...  ..., with a hybrid structure (typically onsite 4x/week, Fridays remote), and will report to the Senior Director of Strategy &... 

Art Dorsey - State Farm Agency

Insurance sales Job at Art Dorsey - State Farm Agency

 ...Insurance sales Location: ANCHORAGE, AK, 99515 Salary: $20.0 - $24.0/hour...  ...obtain Property Casualty and Life and Health insurance license. 2. Must be able to make the...  ...with a State Farm independent contractor agent, not with State Farm Insurance Companies... 

Onward Search

School Occupational Therapist [78739] Job at Onward Search

 ...School Occupational Therapist Full-Time Location: Bremerton, WA Hiring Company: Onward Search Education Duration: September 2025 June 2026 Schedule: Full-Time | On-Site Onward Search Education is a specialized education staffing and talent solutions...