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Frontend Software Engineer Jobs in Washington (NOW HIRING)

Responsibilities Peraton Labs is seeking a poly cleared Front-End Developer to join our team in ... Modify existing software to correct deficiencies, adapt to new hardware and environments, or ...

Front-End Software Developer

Chantilly, VA · On-site

$107K - $125K/yr

As a Front-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications for the User interface (UI) and User experience (UX). You will ...

Responsibilities Peraton Labs is seeking a poly cleared Front-End Developer to join our team in ... Modify existing software to correct deficiencies, adapt to new hardware and environments, or ...

What Impact You'll Have GRVTY is seeking an experienced UI Front End Software Engineer (SWE3) in support of CODEX, directly meeting mission-critical needs in partnership with mission customers. This ...

UI Front End Software Engineer

Annapolis, MD · On-site

$103K - $137K/yr

What Impact You'll Have GRVTY is seeking an experienced UI Front End Software Engineer (SWE3) in support of CODEX, directly meeting mission-critical needs in partnership with mission customers. This ...

What Impact You'll Have GRVTY is seeking an experienced UI Front End Software Engineer (SWE3) in support of CODEX, directly meeting mission-critical needs in partnership with mission customers. This ...

At least 5 years of experience with front end software development/engineering with a B.S. Degree in Computer Science or related field; 3 years relevant experience with Masters in related field; or ...

At least 5 years of experience with front end software development/engineering with a B.S. Degree in Computer Science or related field; 3 years relevant experience with Masters in related field; or ...

At least 5 years of experience with front end software development/engineering with a B.S. Degree in Computer Science or related field; 3 years relevant experience with Masters in related field; or ...

Showing results 41-60

Frontend Software Engineer information

See Washington salary details

$69.1K

$157.4K

$224.3K

How much do frontend software engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for frontend software engineer in Washington is $157,354.00, according to ZipRecruiter salary data. Most workers in this role earn between $128,000.00 and $182,900.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a frontend software engineer, and why are they important?

To thrive as a Frontend Software Engineer, you need strong proficiency in HTML, CSS, JavaScript, and modern frontend frameworks like React or Angular, typically supported by a degree in computer science or related experience. Familiarity with version control systems (such as Git), responsive design tools, and build tools like Webpack or npm is also important. Creativity, problem-solving, and effective communication help engineers collaborate with teams and deliver user-friendly interfaces. These skills are crucial for building performant, maintainable, and visually appealing applications that meet user needs and business goals.

What are some common challenges faced by frontend software engineers when working on cross-functional teams?

Frontend Software Engineers often collaborate closely with backend developers, designers, and product managers. A common challenge is ensuring effective communication and alignment, especially when translating design mockups into functional user interfaces or integrating with backend APIs. Balancing user experience goals with technical constraints and timelines can also be demanding. Proactively participating in sprint planning and code reviews helps foster collaboration and ensures smoother project delivery.

What does a frontend software engineer do?

A Frontend Software Engineer is responsible for designing and implementing the user interface of websites and web applications. They work with technologies like HTML, CSS, and JavaScript, as well as frameworks such as React or Angular, to create interactive and visually appealing experiences for users. Their job also involves ensuring that websites are responsive, accessible, and optimized for performance across various devices and browsers. Collaboration with designers, backend engineers, and other team members is a key part of their role.

What is the difference between Frontend Software Engineer vs Web Developer?

AspectFrontend Software EngineerWeb Developer
Required skillsHTML, CSS, JavaScript, frameworks (React, Angular), UI/UX principlesHTML, CSS, JavaScript, basic backend knowledge
Work environmentCollaborates with designers, backend developers, product teamsBuilds websites, often with less focus on complex UI/UX
Industry usageTech companies, startups, agenciesSmall businesses, freelance projects, agencies

Frontend Software Engineers focus on creating interactive, user-friendly interfaces using advanced frameworks and UI principles, often working closely with designers and backend teams. Web Developers may handle broader website development tasks, including basic front-end and some backend work, with less emphasis on complex UI design. Both roles are essential in web development but differ in scope and specialization.

What are the most commonly searched types of Frontend Software Engineer jobs in Washington?

The most popular types of Frontend Software Engineer jobs in Washington are:

What cities in Washington are hiring for Frontend Software Engineer jobs?

Cities in Washington with the most Frontend Software Engineer job openings:

Infographic showing various Frontend Software Engineer job openings in Washington as of August 2026, with employment types broken down into 100% Full Time. Highlights an 46% In-person, and 54% Remote job distribution, with an average salary of $157,354 per year, or $75.7 per hour.

Front-End Software Engineer

Peraton

College Park, MD • On-site

Full-time

Re-posted 6 days ago


Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

51st of 224 rated it services


Job description

Responsibilities

Peraton Labs is seeking a poly cleared Front-End Developer to join our team in support of a mission-focused research program with our Maryland customer. In this role, you will build compelling, intuitive, and high-performance web applications used across a diverse set of internal R&D efforts and customer-facing demonstrations. You'll collaborate closely with engineers, researchers, and government stakeholders to deliver modern user experiences that sit on top of complex data, services, and prototype systems.

This position supports a dynamic team of Peraton Labs, customer, and subcontractor personnel. The ideal candidate is creative, self-sufficient, process-improvement oriented, and able to learn quickly while delivering production-quality interfaces in a fast-paced environment.

This position requires full-time on-site work at a customer site near College Park, MD.

Key responsibilities may include:

  • Design and develop modern UIs using HTML/CSS and JavaScript/TypeScript, delivering clean, usable interfaces for research systems, dashboards, analytic tools, and prototype applications
  • Build and evolve front-end features by designing and coding improvements to existing applications (add capabilities, improve usability, or increase performance)
  • Integrate front-end applications with backend services, including RESTful APIs and related service interfaces
  • Develop and implement data access patterns (as appropriate), including collaborating on the creation of queries for existing or proposed databases/data repos (SQL/NoSQL)
  • Collaborate with technical staff to implement UI-driven workflows that ensure end-to-end performance and functional standards are met in relation to latency, throughput, responsiveness, and data-fidelity
  • Assist with test and verification activities, including developing and executing test procedures for UI components and prototype workflows
  • Analyze system workflows and user needs by conferring with internal teams, evaluating data usage and processes, and identifying problem areas to propose practical improvements
  • Modify existing software to correct deficiencies, adapt to new hardware and environments, or improve performance, stability, and user experience
  • Support technical leadership- this may include leading a feature area, mentoring teammates, owning a UI subsystem, or coordinating UI deliverables across a small effort

*This position may be eligible for an increased sign-on bonus. Eligibility, bonus amount, and applicable terms and conditions will be discussed during the recruiting process*

#MDFSP

#PLABS26

Qualifications

Minimum qualifications

  • Minimum of 3+ years of experience and a Bachelors, 1+ years and a Masters, or a PhD in Computer Science or related discipline. 4 additional years of experience may be used in lieu of a degree for a total of 7 years of experience
  • Professional experience building applications using HTML/CSS and JavaScript/TypeScript
  • Experience with at least one modern front-end framework such as React, Vue, or Angular
  • Experience consuming and integrating RESTful APIs in a full-stack environment
  • Working knowledge of SQL and/or NoSQL concepts
  • Familiarity with modern development workflows: Git-based version control, code review, issue tracking, and basic CI/CD concepts
  • Working familiarity (via professional use, academic work, or personal projects) with Python and other programming languages
  • Ability to operate effectively in a secure, mission-oriented environment and deliver clear written and verbal communication while working directly with technical stakeholders and government customers
  • US Citizenship with an active/current TS/SCI w/ Polygraph is a requirement for this position

Preferred qualifications

  • Experience building data-rich UIs (analytics dashboards, data exploration tools, workflow orchestration UIs)
  • Familiarity with data visualization libraries and patterns
  • Experience with real-time or streaming interfaces
  • Strong testing background: unit, integration, and end-to-end UI tests
  • Experience with design, development, test, verification, and certification of operational software in sensitive mission environments
  • Working knowledge of Linux, containers (Docker), and developer tooling in constrained/secure environments
  • Experience improving UX through accessibility, response design, and user-centered iteration with stakeholders
  • Demonstrated ability to rapidly learn new technologies and apply them to novel research prototypes
Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Employment Type: FULL_TIME

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017