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Web App Developer Jobs in Washington (NOW HIRING)

Halvik

Jr Web App Developer

Vienna, VA · On-site

$75K - $90K/yr

Bachelor's degree in Computer Science, Information Systems, Software Engineering, or related field (or equivalent experience) Years of Experience: 1-3 years in web application development Halvik ...

Halvik

Jr Web App Developer

Vienna, VA · Remote

$75K - $90K/yr

Bachelor's degree in Computer Science, Information Systems, Software Engineering, or related field (or equivalent experience) Years of Experience: 1-3 years in web application development Halvik ...

Halvik

Mid-Level Web App Developer

Vienna, VA · On-site

$90K - $105K/yr

Role Summary Mid-Level Web Application Developers support active modernization work by implementing enhancements, integrations, and fixes within the ATRRS web tier. Key Responsibilities * Develop and ...

Halvik

Mid-Level Web App Developer

Vienna, VA · Remote

$90K - $105K/yr

Role Summary Mid-Level Web Application Developers support active modernization work by implementing enhancements, integrations, and fixes within the ATRRS web tier. Key Responsibilities * Develop and ...

RAKS Group LLC

App security engineer

Washington, DC

$66.50 - $89/hr

... with DevOps models/pipelines as related to Security integration â Platforms/Technologies ... WAF (web app firewall) â Independent engineer will lead their projects. Will collaborate with ...

Stefanini

Mobile UI Develiper

Mclean, VA

Angular, Java, Python, AWS, Mobile App Developer, Web Application Developer, UI Designer Provides team or technical supervision and drives project/service delivery. Performs as technical development ...

Society for Imaging Informatics

Be Seen First

Web Developer (Hybrid)

Leesburg, VA · On-site

$80K - $90K/yr

The Web Developer is part of a team that is responsible for implementing cutting-edge Websites and ... Customize existing mobile app templates for SIIM events; maintain event mobile app Requirements:

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$24.9K

$111.6K

$173.3K

How much do web app developer jobs pay per year?

As of May 29, 2026, the average yearly pay for web app developer in Washington is $111,576.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,500.00 and $135,300.00 per year, depending on experience, location, and employer.

What is a Web App Developer job?

A Web App Developer is responsible for designing, building, and maintaining web applications that run in a browser. They work with front-end and back-end technologies, such as HTML, CSS, JavaScript, databases, and server-side frameworks. Their role includes coding, debugging, optimizing performance, and ensuring security. Web App Developers often collaborate with designers, product managers, and other developers to create user-friendly and scalable applications.

What are the key skills and qualifications needed to thrive in the Web App Developer position, and why are they important?

To thrive as a Web App Developer, a strong grasp of HTML, CSS, JavaScript, and at least one back-end language (such as Python, Ruby, or Node.js) is generally required, often supported by a degree in computer science or related experience. Familiarity with frameworks like React or Angular, version control systems such as Git, and web development certifications (like those from freeCodeCamp or Microsoft) are highly valued. Problem-solving, attention to detail, and effective communication are essential soft skills for collaborating with teams and clients. These skills enable developers to build user-friendly, reliable applications and contribute efficiently within dynamic, cross-disciplinary teams.

What are the typical responsibilities of a Web App Developer on a day-to-day basis?

As a Web App Developer, your daily tasks often include writing clean, efficient code for both front-end and back-end components, debugging and troubleshooting issues, and participating in code reviews. You’ll frequently collaborate with designers, product managers, and other developers to design user interfaces, implement new features, and refine user experiences. Regular communication and agile development meetings are also a common part of the workflow. Staying updated with the latest technologies and best practices is important to ensure you deliver high-quality, maintainable applications.
More about Web App Developer jobs
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What are popular job titles related to Web App Developer jobs in WA? For Web App Developer jobs in WA, the most frequently searched job titles are:
Web App Developer jobs near you
Infographic showing various Web App Developer job openings in Washington as of May 2026, with employment types broken down into 53% Full Time, 43% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $111,576 per year, or $53.6 per hour.
Jr Web App Developer

Jr Web App Developer

Halvik

Vienna, VA • On-site

$75K - $90K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 17 days ago

Job description

Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government. Be a part of something special!
Role Summary
This role supports development and maintenance tasks while gaining experience in a large-scale federal modernization program.
Key Responsibilities
  • Implement assigned web development tasks under supervision
  • Assist with defect resolution and testing support
  • Participate in documentation and knowledge-sharing activities
  • Learn ATRRS system architecture and development standards

Clearance: Secret
Location: Remote
Degree: Bachelor's degree in Computer Science, Information Systems, Software Engineering, or related field (or equivalent experience)
Years of Experience: 1-3 years in web application development
Halvik offers a competitive full benefits package including:
Company-supported medical, dental, vision, life, STD, and LTD insurance
Benefits include 11 federal holidays and PTO
Eligible employees may receive performance-based incentives in recognition of individual and/or team achievements.
401(k) with company matching
Flexible Spending Accounts for commuter, medical, and dependent care expenses
Tuition Assistance
Charitable Contribution matching
Halvik Corp is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.
Halvik's pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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