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Full Stack Developer Jobs in Leesburg, VA (NOW HIRING)

Guidehouse

Full Stack Developer

Mclean, VA · On-site

The Full-Stack Developer will work closely with clients, digital leaders, solutions architects, and technical/ functional leads across Guidehouse digital teams and market segments to support client ...

Resource Point LLC

Java Full Stack Developer Senior

Reston, VA · On-site

$54.50 - $70.50/hr

Java Full Stack Developer Senior Location: Reston, VA Duration: 6+ Months Description Our client, a major financial institution, needs a technical Senior Java Full Stack Developer to replace a legacy ...

CACI

Full Stack Developer

Fairfax, VA · On-site

Full Stack Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Public Trust Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel:

Guidehouse

Full Stack Developer

Mclean, VA · On-site

The Full-Stack Developer will work closely with clients, digital leaders, solutions architects, and technical/ functional leads across Guidehouse digital teams and market segments to support client ...

ECS

Full Stack Developer

Chantilly, VA · On-site

Everforth ECS is seeking a Full Stack Developer (ETL, Java, Python, Bash Shell) to work onsite at our Chantilly, VA customer site. This is contingent upon contract award. You will serve as a Full ...

Booz Allen Hamilton

Full Stack Developer

Chantilly, VA · On-site

$69K - $158K/yr

As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a ...

Booz Allen Hamilton

Full Stack Developer

Chantilly, VA

$69K - $158K/yr

Full Stack Developer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not ...

Booz Allen Hamilton

Full Stack Developer

Mclean, VA

$69K - $158K/yr

Full Stack Developer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not ...

Reliant Space

Full Stack Developer

Reston, VA · Remote

Reliant Space is seeking a Full Stack Developer to design, develop, and maintain web-based applications for a Mission Operations Center. These applications will support on orbit flight vehicle ...

ACI Infotech

Full-stack Developer

Reston, VA · On-site +1

Full Stack Developer Location: Remote Duration: 12 Months (Potential for Extension) Candidate Skillset: Frontend: * JavaScript / TypeScript * Angular, ability to work with custom frameworks i.e. ADK

CACI

Full Stack Developer

Herndon, VA · On-site

$105K - $231K/yr

Full Stack Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None ...

Bart & Associates

Full Stack Developer

Ashburn, VA · On-site

Full Stack Developer: At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and ...

Worky

Full Stack Developer

Ashburn, VA · On-site

$120 - $150/hr

Description Full Stack Developer: At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust ...

BasisPath, Inc.

Full Stack Developer

Mclean, VA · On-site

BasisPath is seeking a talented Full Stack Software Engineer with a passion for developing secure, scalable, and mission-critical applications in support of complex government environments. The ideal ...

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All JobsFull Stack Developer JobsFull Stack Developer Jobs in Leesburg, VA

Full Stack Developer information

See Leesburg, VA salary details

$24

$59

$87

How much do full stack developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for full stack developer in Leesburg, VA is $59.94, according to ZipRecruiter salary data. Most workers in this role earn between $49.86 and $69.04 per hour, depending on experience, location, and employer.

What is a full stack developer?

A Full Stack Developer is a software professional who is skilled in both front-end (client side) and back-end (server side) development. They are capable of designing, building, and maintaining complete web applications or systems, handling everything from user interfaces and databases to server logic and APIs. Full Stack Developers often work with a range of programming languages and frameworks, such as JavaScript, HTML/CSS, Node.js, Python, and SQL, among others. Their versatility allows them to contribute to multiple stages of the software development lifecycle, making them valuable assets to development teams.

What are the key skills and qualifications needed to thrive as a full stack developer, and why are they important?

To thrive as a Full Stack Developer, you need expertise in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Python, or Java) and a solid understanding of web development principles, often supported by a relevant degree or coding bootcamp experience. Familiarity with frameworks like React or Angular, back-end environments like Node.js or Django, version control systems like Git, and possibly cloud platforms is typically required. Strong problem-solving, communication, and collaboration skills distinguish excellent developers, allowing them to work effectively in team environments and with stakeholders. These technical and soft skills are vital for building, maintaining, and optimizing complex, user-friendly web applications that meet business needs.

What are some common challenges full stack developers face when working on cross-functional teams?

Full Stack Developers often collaborate with designers, backend engineers, project managers, and QA testers, which can introduce challenges like aligning on project requirements and managing different technical perspectives. Coordinating between frontend and backend tasks while ensuring seamless integration is another common hurdle. Additionally, staying up-to-date with evolving technologies on both ends of the stack requires strong time management and continuous learning. Effective communication and adaptability are key to overcoming these challenges and delivering cohesive solutions.

What is the difference between Full Stack Developer vs Front End Developer?

AspectFull Stack DeveloperFront End Developer
SkillsProficient in both front-end and back-end technologies, including HTML, CSS, JavaScript, server-side languages, and databases.Specializes in client-side technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular.
Work EnvironmentWorks on both server and client-side development, often handling entire project stacks.Focuses primarily on designing and implementing user interfaces and user experience.
Common UsageUsed in full project development, especially in startups and small teams.Primarily involved in UI/UX design and front-end implementation in larger teams.

While both roles require strong web development skills, Full Stack Developers handle both front-end and back-end tasks, providing a comprehensive approach to web projects. Front End Developers focus solely on creating engaging and responsive user interfaces. Understanding these differences helps employers and developers choose the right role for their project needs.

Is full stack developer still in demand?

Full stack developers are currently in high demand due to their ability to work on both front-end and back-end development, with skills in frameworks like React, Angular, Node.js, and database management. The role remains essential across industries, especially as companies prioritize versatile developers who can adapt to evolving technologies.

What will a full stack developer do?

A full stack developer designs, develops, and maintains both the front-end and back-end components of web applications. They work with languages like JavaScript, HTML, CSS, and server-side technologies, often using frameworks and tools such as React, Node.js, and databases. Full stack developers are responsible for ensuring seamless integration and functionality across all parts of a web project.
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What are the most commonly searched types of Full Stack Developer jobs in Leesburg, VA?

The most popular types of Full Stack Developer jobs in Leesburg, VA are:

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For Full Stack Developer jobs in Leesburg, VA, the most frequently searched job titles are:

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The top searched job categories for Full Stack Developer jobs in Leesburg, VA are:

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Full Stack Developer jobs near you
Infographic showing various Full Stack Developer job openings in Leesburg, VA as of August 2026, with employment types broken down into 81% Full Time, 14% Part Time, 4% Contract, and 1% Nights. Highlights an 85% Physical, 2% Hybrid, and 13% Remote job distribution, with an average salary of $124,676 per year, or $59.9 per hour.

Full Stack Developer

CACI International, Inc.

Fairfax, VA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 25 days ago

Job description

Job Title: Full Stack Developer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: Public Trust
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
* * *
The Opportunity:
CACI is seeking a Senior Full Stack Developer to support the Department of Homeland Security's Cyber Crimes Center (C3) in designing and implementing sophisticated web applications and investigative tools. In this role, you will:
  • Design and develop scalable, secure applications that support critical law enforcement investigations targeting criminal networks and dark web operations
  • Build custom solutions that integrate with existing investigative systems and infrastructure
  • Work within a collaborative technical team delivering mission-critical software for national security operations
  • Apply modern full stack development practices to solve complex investigative challenges in anonymized environments

This position requires U.S. citizenship and eligibility to obtain a DHS Public Trust clearance.
Responsibilities:
  • Design and implement complex web applications with advanced knowledge of frontend and backend technologies
  • Develop and maintain custom applications, tools, and sites to support DHS C3 investigative operations
  • Build applications using dark web technologies such as Tor for secure, anonymous communication
  • Develop RESTful APIs and microservices architecture to enable system integration and data exchange
  • Write clean, maintainable code in Python and JavaScript for investigative software systems Implement responsive user interfaces using modern frameworks (React, Angular, or Vue.js)
  • Develop server-side applications using frameworks such as Express.js, Django, or Flask
  • Maintain and deploy code using Docker, version control (Git/GitHub), and CI/CD pipelines
  • Design and optimize database schemas for performance and scalability
  • Integrate applications with existing investigative systems through APIs and system interfaces
  • Develop solutions that operate in anonymized and dark web environments while maintaining operational security
  • Collaborate with data scientists, infrastructure engineers, and cybersecurity specialists on cross-functional projects
  • Participate in code reviews, testing, and quality assurance processes
  • Document software architecture, APIs, and technical specifications
  • Troubleshoot and resolve software defects and performance issues
  • Support software development lifecycle from requirements gathering through production deployment
  • Ensure applications meet federal security standards and compliance requirements

Qualifications:
Required:
  • Bachelor's degree in Computer Science, Software Engineering, or related technical field 5+ years of demonstrated full stack development experience with a proven track record of delivering production applications
  • Experience developing dark web applications using technologies such as Tor for secure, anonymous communication
  • Advanced proficiency in frontend frameworks (React, Angular, or Vue.js) with strong JavaScript/TypeScript skills
  • Expert-level backend development experience with Python, Node.js, or Java
  • Strong understanding of RESTful API design and microservices architecture
  • Experience with relational databases (PostgreSQL, MySQL) and SQL query optimization
  • Proficiency with version control systems (Git) and collaborative development workflows
  • Experience maintaining and deploying applications using Docker and containerization
  • Strong understanding of software design patterns, data structures, and algorithms
  • Knowledge of web security best practices, secure coding principles, and anonymization technologies
  • Excellent problem-solving and debugging skills
  • Strong communication skills with ability to collaborate effectively across technical teams
  • Active Public Trust clearance or ability to obtain and maintain clearance

Desired:
  • Master's degree in Computer Science or related technical field
  • Experience integrating AI/ML models into web applications and building interfaces for AI-powered systems
  • Knowledge of machine learning frameworks (TensorFlow, PyTorch, scikit-learn) and AI model deployment
  • Experience developing applications that consume AI APIs or incorporate generative AI capabilities
  • Understanding of AI/ML workflows, model serving, and inference optimization

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$94,400 - $198,200
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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