Senior Frontend Developer Job at Addison Group, Washington DC

NWZDeEtPMk41ZXJjeTNweFRRTVVIUTZmeFE9PQ==
  • 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

USAA Careers

Sr. Auto Adjuster Job at USAA Careers

 ...dedicated Sr Auto Adjuster, you will adjust highly complex auto insurance claims presented by or against our members to include the end-...  ...is not available for this position. What you'll do: Investigate and determine coverage and liability, evaluates, negotiates,... 

PwC

Provider Operations Revenue Cycle - Manager Job at PwC

Provider Operations Revenue Cycle - Manager Join to apply for the Provider Operations Revenue Cycle - Manager role at PwC .Position Overview Industry/Sector: Health ServicesTime Type: Full timeTravel Requirements: Up to 60%At PwC, our operations consulting team specializes... 

Lawelawe Defense Inc

Senior Database Administrator Job at Lawelawe Defense Inc

 ...heritage. Your Role You are a seasoned remote Senior Database Administrator with extensive experience in designing, developing, and...  ...an outstanding record of delivery on various projects encompassing: Program and Portfolio Management; Systems Engineering and Architecture... 

Barnes, Pailhe & King Legal Search

Trusts & Estates Attorneys Job at Barnes, Pailhe & King Legal Search

 ...Our clients, ranging from boutiques to large firms, seek Trusts & Estates attorneys to handle matters related to estate planning, litigation and administration as relevant. For Estate Planners : an attorney with at 2 to 10 years of experience advising high net worth... 

BIG STONE THERAPIES INC

Physical Therapist - Part-Time Job at BIG STONE THERAPIES INC

 ...Position: At Big Stone Therapies, you are part of a comprehensive health family that is...  ...are a growing company looking for a part-time Physical Therapist to join our therapy team...  ...The surrounding region is also ideal for outdoor activities such as hiking, fishing, and hunting...