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Web App Developer Jobs in Washington (NOW HIRING)

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:

Two Six Technologies

Cloud DevOps Engineer

Chantilly, VA

$54 - $74/hr

Two Six Technologies is currently seeking a Cloud DevOps Engineer. The work environment is dynamic ... Python, Node.js, GO, Rust, MarkLogic, Java, Electron, VUE, Vuetify, web app experience, performance ...

T-Rex Solutions

Web Developer

Fort George G Meade, MD

$180K - $230K/yr

T-Rex is looking for a fully cleared Web Developer to work on a program in the Fort Meade, Maryland ... Exposure to web servers/app servers such as Nginx, Apache, and/or Tomcat. * Interest in ...

New

T-Rex Solutions

Web Developer

Fort George G Meade, MD · On-site

$180K - $230K/yr

T-Rex is looking for a fully cleared Web Developer to work on a program in the Fort Meade, Maryland ... Exposure to web servers/app servers such as Nginx, Apache, and/or Tomcat. * Interest in ...

T-Rex Solutions

Web Developer

Fort George G Meade, MD

$180K - $230K/yr

T-Rex is looking for a fully cleared Web Developer to work on a program in the Fort Meade, Maryland ... Exposure to web servers/app servers such as Nginx, Apache, and/or Tomcat. * Interest in ...

New

NAVA Software Solutions

Sr. DevOps Engineer

Bethesda, MD · On-site

$139.10K - $178.70K/yr

Create deployments pipelines to deploy classical applications (Web app, Window services, SQL ... DevOps Engineer having familiarity with different types of applications in a containerized ...

Accenture Federal Services

PL/SQL Developer

Washington, DC

$51.25 - $70.25/hr

Perform logical database (re)design, develop within-database code (e.g., PLSQL), and develop web app UI and services within MS SQLServer, Oracle databases and their associated stack (e.g., OS, Web ...

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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.
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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.
Web Developer (Hybrid)

Web Developer (Hybrid)

Society for Imaging Informatics

Leesburg, VA • On-site

$80K - $90K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 17 days ago

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Job description

The Web Developer is part of a team that is responsible for implementing cutting-edge Websites and Web-based applications. The candidate must have strong technical and communication skills with the ability to coordinate and consult with non-technical, business line personnel.

The Web Developer manages all aspects of the Society’s Web presence and online collaboration tools in close consultation with the Marketing Director. The candidate shall be capable of understanding and assessing current systems, evaluating potential new technologies, and extending the system for new functions. This means working closely with SIIM staff and SIIM committees to develop plans for future developments, enhancements, and implementations.

In this role, the Web Developer manages all aspects of the association’s website, including technical infrastructure, upkeep, and troubleshooting; tests, implements and maintains the web-based application tools for the association’s website; and monitors industry standards and techniques to recommend changes to ensure effective use of the website to achieve the association’s goals.

Responsibilities:

  • Work closely with the Marketing Director and staff to support and implement the SIIM marketing vision, plan, and initiatives for all electronic communications
  • Create SIIM event microsites and other websites as needed
  • Manage and maintain the SIIM.org website, with particular attention paid to adding/removing appropriate content as events approach or pass.
  • Maintain the SIIM brand across all web/email platforms
  • Make sure branding reflects what you need throughout different properties of
  • Respond to and troubleshoot all website issues
  • Support the Marketing Director in sending out marketing emails via Informz
  • Participate in project development activities for various Internet publishing projects
  • Propose enhancements and improvements to define and justify the most effective software and hardware to support the website
  • Analyzes Web metrics to provide further optimization opportunities
  • Understand the benefits of various open-source or proprietary web application tools
  • Customize existing mobile app templates for SIIM events; maintain event mobile app

Requirements:

  • College degree preferred, preferably in Computer Science or related field
  • Three years of progressive Web Developer experience
  • Combination of experience can substitute for a college degree
  • Experience with WordPress CMS
  • Knowledge of multiple coding languages: HTML, CSS, JavaScript, PHP, C#,
  • Knowledge of Adobe Creative Suite including Dreamweaver, Photoshop, and InDesign
  • Knowledge of Google Analytics, Tag Manager and SEO best practices
  • Must be organized, task-oriented, and deadline-driven
  • Occasional travel and some long hours/weekend work during conferences

Desired Skills:

  • Knowledge of and experience with CMS, AMS, and other Web tools
  • Good understanding of Responsive Design, Bootstrap, WordPress, SQL, and other web development technologies
  • Ability to devise, implement, and support rich media, engagement tools, and mobile apps

Company Description

The Society for Imaging Informatics in Medicine (SIIM) represents 2,000 healthcare professionals with interest in enterprise information and image management. SIIM is a not-for-profit organization focused on education, clinical practices, research, and innovation in the field of imaging informatics. The society is committed to actively contributing to the development and advancement of imaging informatics professionals and scientists worldwide and to improving the quality, safety, and efficiency of healthcare.