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Application Developer Iii Jobs in Reston, VA (NOW HIRING)

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Application Developer III

Herndon, VA · On-site

Application Developer III Overview We are seeking an experienced Application Developer III to support the design, development, and deployment of modern web-based and AI-enabled applications within ...

DTC Global Services

Application Developer

Mclean, VA · On-site +1

Minimum of 3 years of relevant application development experience * Relevant certifications (e.g., Certified Application Developer) are preferred Physical Requirements: * Prolonged periods sitting at ...

DTC Global Services

Application Developer

Mclean, VA · On-site

... 3 years of relevant application development experienceRelevant certifications (e.g., Certified ... Developer) are preferredPhysical Requirements: Prolonged periods sitting at a desk and working on a ...

Business Integra

Application Developer

Lanham, MD · On-site

Our CMMI ® Maturity Level 3 and ISO standardized IT services help transform government and ... Application Developer II Location : NASA SEWP 10210 Greenbelt Road, Suite 200 Lanham, MD 20706 ...

Business Integra Inc

Application Developer

Lanham, MD · On-site

Our CMMI ® Maturity Level 3 and ISO standardized IT services help transform government and ... Application Developer II Location : NASA SEWP 10210 Greenbelt Road, Suite 200 Lanham, MD 20706 ...

Nightwing

Windows Application Developer

Sterling, VA · On-site

... Application Developers to support the design, development, testing, and maintenance of Windows ... C, C++, Python • Three (3) years of demonstrated, in-depth experience developing, testing, and ...

CGI Inc.

Application Developer

Washington, DC · On-site

Application Developer Category: Software Development/ Engineering Main location: United States ... Knowledge of Momentum Financials/Acquisitions . 3-5 years of relevant experience . Academic ...

ManTech

Mobile Application Developer

Ashburn, VA · Hybrid

$114K - $190K/yr

This is currently a hybrid position with 2-3 days onsite/week. The Mobile Application Developer will design, develop, and maintain secure, high-performance mobile applications. These applications are ...

Nwis

Windows Application Developer

Sterling, VA · On-site

$122K - $253K/yr

Nightwing is seeking experienced Windows Application Developers to support the design, development ... Three (3) years of experience developing, testing, and debugging software in each of the following ...

Nightwing

Windows Application Developer

Sterling, VA · On-site

$122K - $253K/yr

Nightwing is seeking experienced Windows Application Developers to support the design, development ... Three (3) years of experience developing, testing, and debugging software in each of the following ...

Leidos

Mobile Application Developer

Ashburn, VA · On-site

$107K - $195K/yr

The Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical ... open for at least 3 days with an anticipated close date of no earlier than 3 days after the ...

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How much do application developer iii jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for application developer iii in Reston, VA is $54.76, according to ZipRecruiter salary data. Most workers in this role earn between $44.04 and $63.03 per hour, depending on experience, location, and employer.

What is an Application Developer III?

An Application Developer III is an experienced software professional who designs, develops, tests, and maintains applications for organizations. This role typically involves advanced programming, troubleshooting complex issues, and mentoring junior developers. Application Developer III professionals are often responsible for leading projects, ensuring code quality, and collaborating with stakeholders to meet business requirements. They work with various programming languages and frameworks depending on the organization's technology stack.

What are some common challenges faced by an Application Developer III when working on cross-functional projects?

As an Application Developer III, you may frequently collaborate with teams such as QA, UI/UX design, and business analysts. A common challenge is aligning technical requirements with business goals while ensuring clear communication among stakeholders, which can be complex on large or fast-paced projects. You'll also need to manage competing priorities and adapt to evolving project scopes. Proactive communication, strong organizational skills, and flexibility are key to navigating these challenges and delivering high-quality solutions.

What are the key skills and qualifications needed to thrive as an Application Developer III, and why are they important?

To thrive as an Application Developer III, you need advanced programming skills, a strong grasp of software development methodologies, and typically a bachelor's degree in computer science or a related field. Familiarity with integrated development environments (IDEs), version control systems like Git, and experience with frameworks such as .NET or Spring, plus relevant certifications, are highly valued. Problem-solving, teamwork, and effective communication are essential soft skills that distinguish top performers in this role. These competencies enable the delivery of robust, scalable applications and ensure smooth collaboration within technical teams.

Is application developer a good career?

Application Developer III is a skilled role that involves designing, coding, and maintaining software applications, often requiring proficiency in programming languages and development tools. It is considered a stable career with opportunities for advancement and specialization, especially as demand for software solutions grows across industries.

What cities near Reston, VA are hiring for Application Developer Iii jobs?

Cities near Reston, VA with the most Application Developer Iii job openings:

Application Developer Iii jobs near you

Application Developer III

search-tactics

Herndon, VA • On-site

Full-time

Re-posted 14 days ago

Job description

Application Developer III

Overview

We are seeking an experienced Application Developer III to support the design, development, and deployment of modern web-based and AI-enabled applications within federal or healthcare environments. The ideal candidate will have strong expertise in cloud-native application development, REST APIs, DevSecOps, and modern front-end technologies.

Key Responsibilities
  • Design, develop, test, and maintain scalable web-based and AI-enabled applications.
  • Build and integrate RESTful APIs and cloud-native solutions.
  • Collaborate with cross-functional teams including business analysts, architects, and project managers.
  • Support DevSecOps initiatives, CI/CD pipelines, and containerized deployments.
  • Develop secure and high-performing applications in compliance with federal and healthcare standards.
  • Participate in code reviews, troubleshooting, and system optimization activities.
  • Integrate enterprise platforms such as SharePoint and third-party APIs.
  • Document technical designs, workflows, and deployment procedures.
Required Qualifications
  • Bachelor’s degree in Computer Science, Software Engineering, or related field.
  • Minimum 7 years of professional application development experience.
  • Experience designing and developing modern web-based or AI-enabled applications in federal or healthcare environments.
  • Strong experience with:
    • Java
    • Python
    • JavaScript/TypeScript
    • React/Angular
    • REST APIs
    • Cloud-native development
    • DevSecOps
    • CI/CD pipelines
    • Containerization technologies
    • Integration development
    • SharePoint/API integration
Preferred Qualifications
  • AWS Developer Certification
  • Azure Developer Certification
  • CompTIA Security+ Certification
  • Experience supporting federal agencies or healthcare organizations.