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Sr Frontend Developer Jobs in Washington (NOW HIRING)

Reflexive Concepts

Front End Developer

Annapolis, MD · On-site

$103K - $119K/yr

Reflexive Concepts is seeking a Front End Developer to join our team! We have an immediate need for ... Mid- or Senior-Level candidates are preferred. Responsibilities will include: * Enhancing the ...

GDIT

Front End Developer

Annapolis Junction, MD · On-site

$121K - $165K/yr

Yes FRONT END ENGINEER SENIOR Transform technology into opportunity as a Front End Engineer Senior at GDIT. Shape what's next for mission-critical government projects while shaping what's next for ...

GDIT

Front End Developer

Annapolis Junction, MD · Hybrid

$121K - $165K/yr

Yes FRONT END ENGINEER SENIOR Transform technology into opportunity as a Front End Engineer Senior at GDIT. Shape what's next for mission-critical government projects while shaping what's next for ...

Reflexive Concepts

Front End Developer

Annapolis, MD · On-site

$103K - $119K/yr

Reflexive Concepts is seeking a Front End Developer to join our team! We have an immediate need for ... Mid- or Senior-Level candidates are preferred. Responsibilities will include: * Enhancing the ...

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Sr Frontend Developer information

What is a Sr Frontend Developer?

Sr Frontend Developers are experienced software engineers who specialize in building and optimizing the user interfaces of web applications. They are responsible for translating design mockups into interactive, responsive, and accessible web pages using technologies like HTML, CSS, and JavaScript frameworks (such as React, Angular, or Vue). In addition to coding, Sr Frontend Developers often lead technical decisions, mentor junior developers, and collaborate closely with designers and backend engineers to deliver high-quality user experiences. Their expertise ensures that web applications are visually appealing, performant, and user-friendly.

What are the key skills and qualifications needed to thrive as a Sr Frontend Developer?

To thrive as a Sr Frontend Developer, you need deep expertise in HTML, CSS, JavaScript, and modern front-end frameworks like React or Angular, usually backed by a degree in computer science or equivalent experience. Advanced knowledge of tools such as Git, Webpack, RESTful APIs, and proficiency with testing frameworks is typically required. Outstanding problem-solving abilities, strong collaboration, and effective communication set top performers apart in this role. These skills ensure the delivery of high-quality, user-friendly interfaces and seamless teamwork in fast-paced development environments.

What are some common challenges faced by Sr Frontend Developers when working on cross-functional teams?

Sr Frontend Developers often collaborate closely with backend engineers, UX/UI designers, and product managers. A common challenge in these environments is ensuring clear communication of technical requirements and design expectations to avoid misunderstandings that can lead to rework. Balancing user experience with technical feasibility is another frequent hurdle, especially when negotiating priorities between design vision and performance constraints. Effective Sr Frontend Developers proactively bridge gaps through strong documentation, regular alignment meetings, and by advocating for best practices in both development and design.

What is the difference between Sr Frontend Developer vs Frontend Developer?

AspectSr Frontend DeveloperFrontend Developer
Required ExperienceTypically 5+ years, leadership skills1-3 years, entry to mid-level
ResponsibilitiesAdvanced coding, mentoring, project leadershipImplementing UI features, bug fixes
Skills & CertificationsExpertise in JavaScript, frameworks, leadershipHTML, CSS, JavaScript basics
Work EnvironmentSenior roles in teams, project planningDevelopment teams, collaborative projects

The main difference between a Sr Frontend Developer and a Frontend Developer lies in experience, responsibilities, and leadership. Senior developers handle complex tasks, mentor others, and lead projects, while frontend developers focus on implementing features and fixing bugs. Both roles require strong JavaScript, HTML, and CSS skills, but senior roles demand more experience and strategic input.

What are popular job titles related to Sr Frontend Developer jobs in Washington?

For Sr Frontend Developer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Sr Frontend Developer jobs in Washington look for?

The top searched job categories for Sr Frontend Developer jobs in Washington are:

What cities in Washington are hiring for Sr Frontend Developer jobs?

Cities in Washington with the most Sr Frontend Developer job openings:

Sr Frontend Developer jobs near you
Infographic showing various Sr Frontend Developer job openings in Washington as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution.

Front End Developer

Reflexive Concepts

Annapolis, MD • On-site

$103K - $119K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Reflexive Concepts is seeking a Front End Developer to join our team!
We have an immediate need for a Front End Developer to support the development and sustainment of a high-performance geospatial collaboration tool that provides a single repository for formal and informal finished intelligence products. Mid- or Senior-Level candidates are preferred.
Responsibilities will include:
  • Enhancing the Section 508 accessibility of the current interface
  • Redeveloping a new front end that incorporates Section 508 accessibility capabilities in a new user interface
  • Understanding, maintaining, and troubleshooting interfaces between multiple applications

Required technical skills include:
  • Java 8+
  • GWT
  • Primefaces
  • Quarkus
  • Advanced understanding of HTML, CSS, and JavaScript

Additional desired technical skills may include experience with:
  • Proficiency with screen readers
  • 508 / WAI-ARIA knowledge
  • Oracle
  • Amazon Web Services (AWS)
  • Agency reporting and dissemination tools
  • Agency classification policies
  • Working in an Agile environment using Jira and Confluence

Apply