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Web Application Developer

SAIC

Reston, Virginia • Today

Full-time

USD 180,001.00 - 220,000.00 per year

Web Application Developer

CACI International, Inc.

Chantilly, Virginia • Today

Full-time

USD 75,200.00 - 158,100.00 per year

Web Application Developer - Early Career

CACI International, Inc.

Chantilly, Virginia • Today

Full-time

USD 63,300.00 - 129,700.00 per year

Senior Web Application Developer

Cayuse Holdings, LLC

Washington, District of Columbia • Today

Full-time

Web Application Developer with Polygraph

CACI International, Inc.

Herndon, Virginia • Today

Full-time

USD 120,800.00 - 265,800.00 per year

Sr. Web Application Developer

System One

Remote • 6d ago

Easy Apply

Contract

$57.65

Senior Web Application Developer

Cayuse Holdings

Washington, District of Columbia • Today

Full-time

USD 140,000.00 - 142,085.00 per year

Web Application Developer, Advanced Technology (Senior)

ExpediteInfoTech, Inc.

Rockville, Maryland • Today

Full-time

Web Application Developer - SME - Wash DC - TS required to apply

Bow Wave LLC

Washington, District of Columbia • Today

Full-time

USD 165,000.00 - 190,000.00 per year

Web Developer

Fusion Innovation

Chantilly, Virginia • Today

Full-time

USD 100,000.00 - 215,000.00 per year

Web Developer

VTG

Chantilly, Virginia • Today

Full-time

USD 110,000.00 - 140,000.00 per year

Software Application Developer

Leidos

Reston, Virginia • Today

Full-time

USD 131,300.00 - 237,350.00 per year

Java Application Developer

Dev Technology Group Inc.

Ashburn, Virginia • Today

Full-time

USD 90,000.00 - 130,000.00 per year

Web Developer

Robert Half

Arlington, Virginia • Today

Easy Apply

Contract

USD 38.00 - 44.00 per hour

Web Developer

Goldbelt Inc

Arlington, Virginia • Today

Full-time

USD 100,000.00 - 108,000.00 per year

Application Developer *

FGS LLC

Washington, District of Columbia • Today

Full-time

USD 125,797.74 - 143,768.85 per year

Application Developer

Accenture LLP

Washington, District of Columbia • Today

Full-time

USD 97,500.00 - 115,200.00 per year

Application Developer

MANTECH

Chantilly, Virginia • Today

Full-time

Application Developer

isolve technology inc

Falls Church, Virginia • Today

Easy Apply

Third Party, Contract

Depends on Experience

Web Software Developer

NCI Information Systems, Inc.

Remote or Quantico, Virginia • Today

Full-time

USD 87,320.00 per year

Application Developer

Randstad Digital

Remote or Augusta, Maine • Today

Contract

USD58 - USD68

Application Developer

Optima Global Solutions

Remote • 27d ago

Easy Apply

Contract

$75 - $85

Senior Software Engineer - Web Application

Mindlance

Remote • 25d ago

Easy Apply

Contract

$60 - $70

Software Application Developer

Brooksource

Washington, District of Columbia • Today

Contract

$55.00 - $60.00

Staff Software Engineer, Web Application Services

Mozilla

Remote • Today

Full-time

USD 180,000.00 - 215,000.00 per year

Application Developer

Booz Allen Hamilton

Laurel, Maryland • Today

Full-time

USD 69,400.00 - 158,000.00 per year

Application Developer

Booz Allen Hamilton

Laurel, Maryland • Today

Full-time

USD 69,400.00 - 158,000.00 per year

Application Developer

Kforce Technology Staffing

Remote or Irving, Texas • Today

Contract

$42.50 - $57.50 hourly

Application Developer

Leidos

Remote • Today

Full-time

USD 107,900.00 - 195,050.00 per year

Application Developer

GDH

Remote • 13d ago

Easy Apply

Third Party, Contract

Depends on Experience

SAIC

Job Details

Skills

Security Clearance
Frontend Development
Interfaces
RESTful
Streaming
Backend Development
Software Engineering
Artificial Intelligence
Workflow
Continuous Integration and Development
Testing
High Availability
Collaboration
Cyber Security
Management
API
Vulnerability Scanning
JD
Web Applications
React.js
JavaScript
TypeScript
Python
Flask
Django
LangChain
LangSmith
Orchestration
Vector Databases
Continuous Integration
Continuous Delivery
Cloud Computing
Amazon Web Services
Microsoft Azure
Regulatory Compliance
Information Technology
Systems Engineering
FOCUS

Security Clearance
Frontend Development
Interfaces
RESTful
Streaming
Backend Development
Software Engineering
Artificial Intelligence
Workflow
Continuous Integration and Development
Testing
High Availability
Collaboration
Cyber Security
Management
API
Vulnerability Scanning
JD
Web Applications
React.js
JavaScript
TypeScript
Python
Flask
Django
LangChain
LangSmith
Orchestration
Vector Databases
Continuous Integration
Continuous Delivery
Cloud Computing
Amazon Web Services
Microsoft Azure
Regulatory Compliance
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2618095

Location: Reston, VA, US

Date Posted: 2026-10-19

Category: Software

Subcategory: SW Engineer

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: TS.SCI_wPoly

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: ORA_ON_SITE

Description

QVine, an SAIC company, is seeking an experienced Full Stack Web Application Developer to join our team. This role involves hands-on technical expertise in building modern, scalable web applications with a focus on AI-driven features. The ideal candidate combines strong front-end development skills in ReactJS with robust Python backend experience, including the design and integration of LLM-powered applications using LangChain, LangGraph, and LangSmith.

Key Responsibilities:

Front-End Development: Design, build, and maintain responsive, user-friendly web interfaces using ReactJS, including state management, component architecture, and integration with RESTful and streaming APIs.
Python Backend Development: Develop and maintain scalable backend services in Python, exposing clean APIs to support front-end and AI-driven functionality.
LLM Application Engineering: Design, implement, and optimize AI-powered features using LangChain and LangGraph, including building conversational agents, retrieval-augmented generation (RAG) pipelines, and multi-step agentic workflows.
API Design & Integration: Build and maintain well-documented APIs that connect front-end applications with backend services and third-party LLM providers.
CI/CD & Deployment: Contribute to continuous integration and continuous delivery pipelines to streamline code deployment, testing, and release cycles for web applications.
Cloud Deployment: Deploy and maintain web applications and backend services in cloud environments (AWS and/or Azure), ensuring high availability, security, and cost efficiency.
Security & Compliance: Collaborate with the cybersecurity team to embed best practices into the development lifecycle, including secrets management, secure API design, vulnerability scanning, and compliance automation.

Qualifications

?Bachelors and nine (9) years or more experience; Masters and seven (7) years or more experience ; PhD or JD and four (4) years or more experience.
TS/SCI with Polygraph.
Proven experience building production web applications with ReactJS and modern JavaScript/TypeScript.
Strong proficiency in Python, with experience developing backend services and APIs (e.g., FastAPI, Flask, or Django).
Hands-on experience with LangChain, LangGraph, and LangSmith, or comparable LLM orchestration and observability frameworks.
Familiarity with vector databases, embeddings, and retrieval-augmented generation (RAG) architectures.
Experience with CI/CD pipelines and cloud deployment on AWS or Azure.
Understanding of secure development practices and compliance requirements.

Target salary range: $180,001 - $220,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2618095
Posted 1 hour ago

Company Info

About SAIC

SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Go to company profile

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SAIC

Job Details

Skills

Security Clearance
Frontend Development
Interfaces
RESTful
Streaming
Backend Development
Software Engineering
Artificial Intelligence
Workflow
Continuous Integration and Development
Testing
High Availability
Collaboration
Cyber Security
Management
API
Vulnerability Scanning
JD
Web Applications
React.js
JavaScript
TypeScript
Python
Flask
Django
LangChain
LangSmith
Orchestration
Vector Databases
Continuous Integration
Continuous Delivery
Cloud Computing
Amazon Web Services
Microsoft Azure
Regulatory Compliance
Information Technology
Systems Engineering
FOCUS

Security Clearance
Frontend Development
Interfaces
RESTful
Streaming
Backend Development
Software Engineering
Artificial Intelligence
Workflow
Continuous Integration and Development
Testing
High Availability
Collaboration
Cyber Security
Management
API
Vulnerability Scanning
JD
Web Applications
React.js
JavaScript
TypeScript
Python
Flask
Django
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LangSmith
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Vector Databases
Continuous Integration
Continuous Delivery
Cloud Computing
Amazon Web Services
Microsoft Azure
Regulatory Compliance
Information Technology
Systems Engineering
FOCUS

Summary

Front-End Development: Design, build, and maintain responsive, user-friendly web interfaces using ReactJS, including state management, component architecture, and integration with RESTful and streaming APIs.
Python Backend Development: Develop and maintain scalable backend services in Python, exposing clean APIs to support front-end and AI-driven functionality.
LLM Application Engineering: Design, implement, and optimize AI-powered features using LangChain and LangGraph, including building conversational agents, retrieval-augmented generation (RAG) pipelines, and multi-step agentic workflows.
API Design & Integration: Build and maintain well-documented APIs that connect front-end applications with backend services and third-party LLM providers.
CI/CD & Deployment: Contribute to continuous integration and continuous delivery pipelines to streamline code deployment, testing, and release cycles for web applications.
Cloud Deployment: Deploy and maintain web applications and backend services in cloud environments (AWS and/or Azure), ensuring high availability, security, and cost efficiency.
Security & Compliance: Collaborate with the cybersecurity team to embed best practices into the development lifecycle, including secrets management, secure API design, vulnerability scanning, and compliance automation.

Qualifications

?Bachelors and nine (9) years or more experience; Masters and seven (7) years or more experience ; PhD or JD and four (4) years or more experience.
TS/SCI with Polygraph.
Proven experience building production web applications with ReactJS and modern JavaScript/TypeScript.
Strong proficiency in Python, with experience developing backend services and APIs (e.g., FastAPI, Flask, or Django).
Hands-on experience with LangChain, LangGraph, and LangSmith, or comparable LLM orchestration and observability frameworks.
Familiarity with vector databases, embeddings, and retrieval-augmented generation (RAG) architectures.
Experience with CI/CD pipelines and cloud deployment on AWS or Azure.
Understanding of secure development practices and compliance requirements.

Target salary range: $180,001 - $220,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Dice Id: 10111346
Position Id: 2618095
Posted 1 hour ago

Company Info

About SAIC

Go to company profile

Fitment

Dice Job Match Score™

To see how well you match this job, please log in or create an account.

Once logged in, be sure to complete your profile to get the most accurate match score.

Create job alert

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