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Freelance Full Stack Developer Node Js Jobs in Washington

M1 Technology

Full Stack Developer

Chantilly, VA

M1 Technology is seeking a skilled Full Stack Developer to contribute to the design, development ... JavaScript (React.js), HTML, CSS, Bootstrap * Back-End & API Development: Python, JavaScript ...

LT Consulting

Full Stack Developer

Chantilly, VA

As a Full Stack Developer, you'll build both frontend and backend components using modern ... Experience developing and testing backend services using Java/Spring Boot, Node/Express or a ...

GRVTY

Full Stack Developer

Mclean, VA · On-site

$150K - $250K/yr

The Full Stack Developer shall provide onsite full stack development support for a data repository ... Strong experience with JavaScript (Hono.js) and Python (fastapi) * Strong experience with ...

GRVTY

Full Stack Developer

Mclean, VA · On-site

$150K - $250K/yr

The Full Stack Developer shall provide onsite full stack development support for a data repository ... Strong experience with JavaScript (Hono.js) and Python (fastapi) * Strong experience with ...

LT Consulting

Full Stack Developer

Chantilly, VA · On-site

As a Full Stack Developer, you'll build both frontend and backend components using modern ... Experience developing and testing backend services using Java/Spring Boot, Node/Express or a ...

VTG

Full Stack Developer

Chantilly, VA

Overview VTG is seeking a highly skilled Full Stack Software Engineer to design, develop, and ... Proficiency with Python, PySpark, JavaScript, Vue.js, Nuxt.js, and Viz.js. * Hands-on experience ...

LT Consulting

Full Stack Developer

Chantilly, VA

As a Full Stack Developer, you'll build both frontend and backend components using modern ... Experience developing and testing backend services using Java/Spring Boot, Node/Express or a ...

System One

Lead Full-Stack Developer

Mclean, VA · Remote

Lead Full-Stack Developer Remote This role supports a federal client and requires the ability to ... Design and implement frontend and backend services using Python, JavaScript, Django, Vue.js, REST ...

VTG

Full Stack Developer

Chantilly, VA · On-site

Overview VTG is seeking a highly skilled Full Stack Software Engineer to design, develop, and ... Proficiency with Python, PySpark, JavaScript, Vue.js, Nuxt.js, and Viz.js. * Hands-on experience ...

System One

Lead Full-Stack Developer

Mclean, VA · Remote

Lead Full-Stack Developer Remote This role supports a federal client and requires the ability to ... Design and implement frontend and backend services using Python, JavaScript, Django, Vue.js, REST ...

System One

Lead Full-Stack Developer

Mclean, VA · Remote

Lead Full-Stack Developer Remote This role supports a federal client and requires the ability to ... Design and implement frontend and backend services using Python, JavaScript, Django, Vue.js, REST ...

System One

Lead Full-Stack Developer

Mclean, VA · Remote

Lead Full-Stack Developer Remote This role supports a federal client and requires the ability to ... Design and implement frontend and backend services using Python, JavaScript, Django, Vue.js, REST ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

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All JobsFull Stack Developer Node Js JobsFreelance Full Stack Developer Node Js JobsFreelance Full Stack Developer Node Js Jobs in Washington

Freelance Full Stack Developer Node Js information

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

AspectFreelance Full Stack Developer Node JsFreelance Front End Developer
SkillsJavaScript, Node.js, databases, server-side & client-side developmentHTML, CSS, JavaScript, UI/UX design
Work EnvironmentBackend and frontend projects, server managementPrimarily UI/UX, website interfaces
CertificationsJavaScript, Node.js certifications often preferredHTML, CSS, JavaScript certifications
Industry UsageWeb applications, SaaS, startupsWebsite design, branding, small to large businesses

Freelance Full Stack Developers with Node.js skills handle both backend and frontend tasks, while Freelance Front End Developers focus mainly on website interfaces and user experience. The full stack role requires broader technical knowledge, especially in server-side development, whereas front end specialists concentrate on visual and interactive elements.

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Freelance Full Stack Developer Node Js jobs near you

Full Stack Developer

CACI International, Inc.

Fairfax, VA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 10 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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