Backend Developer Jobs in Chantilly

Backend Developer jobs in Chantilly hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $230,009/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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Linchpin Software

linchpinsoftware.com
linchpinsoftware.com • HQ: Washington, United States • Custom Software Development • Hiring 7, 1 new
HQ: Washington, United States • Custom Software Development • Hiring 7, 1 new
Capabilities. Web development, specifically J2EE, is a core strength of our team as we have experience in designing, constructing, testing, and maintaining enterprise applications for major federal organizations.
No named decision-maker yet.
No careers mailbox known
Top 25% pay 6 hours ago Hiring now · 90%

Senior Software Developer - 50% telework

$150k – $230k per year • Senior • In office (Chantilly, United States) • Full-Time • TS/SCI • Senior
C#
TypeScript
JavaScript
SQL
C#
.NET
Databases
RabbitMQ
ActiveMQ
Apache Kafka
AI/ML
Claude Code
Frontend
Angular
React.js
Mobile
Room
DevOps
CloudFormation
GitLab
Terraform
Git
Docker
Kubernetes
Azure
CI/CD
AWS
+13
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Top 25% pay 7 days ago Likely open · 60%

Software Engineer - 50% telework

$150k – $230k per year • In office (Chantilly, United States) • Full-Time • Top Secret
Node JS
JavaScript
SQL
Python
TypeScript
Java
Java
Hibernate
Databases
OpenSearch
Frontend
Vue.js
Angular
DevOps
GitLab
Jenkins
Red Hat
Ansible
Docker
Linux
Kubernetes
Management
Agile
+10
Apply

Textron

textron.com
textron.com • HQ: Providence, United States • Financial Services • 1001-5000 employees • Est. 1923 • Hiring 496, 496 new
HQ: Providence, United States • Financial Services • 1001-5000 employees • Est. 1923 • Hiring 496, 496 new
Textron is an American multi-industry conglomerate recognized globally for its aerospace, defense, and specialized industrial manufacturing. Headquartered in Providence, Rhode Island, the company operates iconic brands such as Bell, Cessna, Beechcraft, and Textron Systems. Through its diverse business segments, it delivers advanced military rotorcraft, business jets, uncrewed systems, and specialized utility vehicles to commercial and government customers worldwide.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 1 day ago Hiring now · 90%

Software Engineer III (C++ Engineer)

≈ $106k – $209k per year (Estimated) • Middle • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Top Secret • Middle
C#
C++
JavaScript
Python
AI/ML
Machine Learning
DevOps
Azure DevOps
Windows
Git
Docker
CI/CD
Azure
Management
Jira
+4
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L3Harris Technologies

l3harris.com
l3harris.com • HQ: Melbourne, United States • C4ISR • Military Satellites • Electronic Warfare • Military Communication • Defense Manufacturing • 5000+ employees • Est. 2019 • Trust A • Hiring 1363, 195 new
HQ: Melbourne, United States • C4ISR • Military Satellites • Electronic Warfare • Military Communication • Defense Manufacturing • 5000+ employees • Est. 2019 • Trust A • Hiring 1363, 195 new
L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 2 hours ago Visa sponsor 1 day ago Hiring now · 90%

Senior Specialist, Software Engineering 1 1

$97k – $180k per year • Senior • 6+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Groovy
Bash
C++
Java
SQL
Python
Kotlin
Java
Maven
Kotlin
Mockito
Databases
PostgreSQL
Mobile
JUnit
DevOps
Bitbucket
GitLab
Jenkins
Rest API
Linux
CI/CD
Management
Scrum
+10
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Boeing

boeing.com
boeing.com • HQ: Arlington, United States • Aerospace Manufacturing • Combat Aircraft • Aircraft Manufacturing • 1001-5000 employees • Est. 1916 • Trust A • Hiring 726, 190 new
HQ: Arlington, United States • Aerospace Manufacturing • Combat Aircraft • Aircraft Manufacturing • 1001-5000 employees • Est. 1916 • Trust A • Hiring 726, 190 new
Boeing is a global aerospace manufacturer and defense contractor specializing in commercial jetliners, military aircraft, satellites, and space systems. Headquartered in Arlington, Virginia, United States, the company operates across three main business divisions: Commercial Airplanes; Defense, Space & Security; and Global Services. Through aircraft engineering, defense hardware production, and worldwide fleet support, the enterprise serves commercial airlines, armed forces, and government partners across more than 150 countries.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 1 day ago Hiring now · 76%

Software Engineer (Associate or Experienced)

$106k – $144k per year • Staff+ • 13+ years exp • In office (Chantilly, United States) • Relocation • Bachelor's Degree • Full-Time • TS/SCI • Citizenship or vetting required • Senior
C++
Python
DevOps
Pulumi
GitLab
CI/CD
AWS
CloudFormation
Terraform
Git
Management
Agile
+2
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Verified live · 3 hours ago 1 day ago Hiring now · 70%

Software Engineer - Developer ( Experienced or Lead)

$135k – $183k per year • Lead • 13+ years exp • In office (Chantilly, United States) • Relocation • Bachelor's Degree • Full-Time • TS/SCI • Citizenship or vetting required • Staff
ActiveMQ
Redis
Apache Kafka
DevOps
CI/CD
OpenShift
GitLab CI
Jenkins
Docker
GCP
Kubernetes
Azure
AWS
+4
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Verified live · 3 hours ago 1 day ago Hiring now · 70%

Experienced Software Engineer

$135k – $183k per year • Staff+ • 13+ years exp • In office (El Segundo, Chantilly, United States) • Relocation • Bachelor's Degree • Full-Time • Top Secret • Citizenship or vetting required • Senior
TypeScript
JavaScript
Python
Frontend
Angular
DevOps
AWS
Docker
Kubernetes
CI/CD
Management
Agile
+1
Apply

Rocket Lab

rocketlab.com
rocketlab.com • HQ: Long Beach, United States • Satellite Manufacturing • Launch Services • 1001-5000 employees • Est. 2006 • NASDAQ: RKLB • Trust B • Hiring 517, 29 new
HQ: Long Beach, United States • Satellite Manufacturing • Launch Services • 1001-5000 employees • Est. 2006 • NASDAQ: RKLB • Trust B • Hiring 517, 29 new
Rocket Lab USA, Inc. is a publicly traded end-to-end space company, launch services provider, and satellite systems manufacturer. Headquartered in Long Beach, California - having been originally founded in New Zealand - the enterprise operates private orbital launch sites in Māhia, New Zealand, and Wallops Island, Virginia. Its core business activities span lightweight orbital launches via its flagship Electron rocket, hypersonic testing capabilities via HASTE, and the development of its reusable medium-lift launch vehicle, Neutron.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 1 hour ago Visa sponsor 2 days ago Likely open · 63%

Principal Software Engineer

$199k – $325k per year • Equity • Lead • 12+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Nationals only • Citizenship or vetting required • Principal
MATLAB
Python
AI/ML
CUDA
Apply
Top 25% payVerified live · 1 hour ago Visa sponsor 1 month ago Long shot · 22%

Senior Software Engineer II

$143k – $215k per year • Equity • Senior • 8+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Nationals only • Citizenship or vetting required • Senior
MATLAB
Python
AI/ML
CUDA
Apply

Avalore

avalore.com
avalore.com • HQ: Arlington, United States • Systems Integrators • Engineering Services • 1001-5000 employees • Trust A • Hiring 77, 14 new
HQ: Arlington, United States • Systems Integrators • Engineering Services • 1001-5000 employees • Trust A • Hiring 77, 14 new
Avalore is a US systems engineering and information technology services contractor that supports government programs. Its openings include systems engineers at several levels, test engineers and system administrators, with positions in Arlington, Chantilly, Tysons and Annapolis Junction. The company is headquartered in Arlington, Virginia, United States.
No named decision-maker yet.
No careers mailbox known
Verified live · 4 hours ago 2 days ago Hiring now · 90%

Software Engineer

≈ $166k – $355k per year (Estimated) • In office (Chantilly, United States) • Full-Time
JavaScript
Python
Python
pySpark
Databases
HBase
ElasticSearch
AI/ML
Hadoop
Spark
DevOps
GitHub
AWS
+1
Apply
Verified live · 4 hours ago 2 days ago Hiring now · 90%

Software Developer (Systems Software)

≈ $163k – $348k per year (Estimated) • In office (Chantilly, United States) • Full-Time
Java
DevOps
AWS
Management
ServiceNow
Agile
Apply

Amentum

amentum.com
amentum.com • HQ: Chantilly, United States • Military Logistics • Business Process Outsourcing (BPO) • Engineering Services • 5000+ employees • Est. 2020 • Hiring 885, 113 new
HQ: Chantilly, United States • Military Logistics • Business Process Outsourcing (BPO) • Engineering Services • 5000+ employees • Est. 2020 • Hiring 885, 113 new
Amentum is a US government and critical infrastructure services contractor headquartered in Chantilly, Virginia, providing engineering, technical, mission support and operations services in defense, intelligence, space, energy and environment markets. It has about 50,000 employees in more than 70 countries, is listed on the New York Stock Exchange, and absorbed PAE in 2022 before combining with the Jacobs critical mission solutions business in 2024. Openings include aerospace, GN&C and reliability engineers, aircraft workers, database administrators, software engineers, biometric enrollment specialists and paralegals.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 3 hours ago Visa sponsor 4 days ago Likely open · 67%

Software Developer - UI/UX

$180k – $200k per year • Equity • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI
TypeScript
JavaScript
Frontend
Vue.js
Angular
React.js
DevOps
Git
Management
Agile
Apply
Top 25% payVerified live · 3 hours ago Visa sponsor 4 days ago Hiring now · 75%

Senior Software Developer

$200k – $220k per year • Equity • Senior • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
Node JS
C#
JavaScript
SQL
Python
TypeScript
Frontend
Angular
DevOps
Splunk
Windows Server
Amazon EKS
Prometheus
Grafana
Linux
Kubernetes
CI/CD
AWS
Management
UML
Confluence
Jira
Agile
+12
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Leidos

leidos.com
leidos.com • HQ: Reston, United States • C4ISR • National Security • Engineering Services • Defense Manufacturing • Systems Integrators • 5000+ employees • Est. 2013 • IT services • Trust B • Hiring 1547, 70 new
HQ: Reston, United States • C4ISR • National Security • Engineering Services • Defense Manufacturing • Systems Integrators • 5000+ employees • Est. 2013 • IT services • Trust B • Hiring 1547, 70 new
Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.
Chris Cage · Chief Financial Officer · decision-maker
Thomas Bell · Chairman & Chief Executive Officer · decision-maker
Roger Krone · former Chief Executive Officer
Careers mailbox is known
Top 25% payVerified live · 1 day ago Visa sponsor 4 days ago Likely open · 63%

Senior Software Engineer

$108k – $195k per year • Senior • 8+ years exp • Hybrid (Chantilly, Tucson, United States) • Bachelor's Degree • Full-Time • TS/SCI • Citizenship or vetting required • Senior
Swift
JavaScript
Python
Python
Django
Django REST Framework
Databases
PostgreSQL
Frontend
Next.js
React.js
Mobile
UIKit
SwiftUI
React Native
DevOps
Amazon ECS
GitLab
Amazon S3
Git
Docker
Kubernetes
CI/CD
AWS
CloudFormation
GitLab CI
Terraform
Management
Jira
Scrum
Agile
QA
Playwright
Jest
Pytest
+20
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Verified live · 1 day ago Visa sponsor 8 days ago Likely open · 61%

Junior Software Engineer

$70k – $126k per year • Junior • 2+ years exp • In office (Tucson, Saint Louis, Chantilly, Englewood, United States) • Bachelor's Degree • Full-Time • TS/SCI • Citizenship or vetting required • Junior
Node JS
JavaScript
SQL
Python
TypeScript
Java
Python
Flask
Django
Java
Spring Boot
Databases
MySQL
PostgreSQL
Oracle
PostGIS
ElasticSearch
OpenSearch
Frontend
Vue.js
Svelte
JQuery
Angular
React.js
DevOps
GitLab CI
Jenkins
Rest API
Windows
Git
Docker
Linux
Kubernetes
Azure
CI/CD
AWS
CloudFormation
Amazon EC2
Amazon S3
Ansible
Terraform
Management
Confluence
Agile
SpaceTech
GeoServer
+31
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Top 25% payVerified live · 1 day ago Visa sponsor 15 days ago Likely open · 55%

Software Engineer Expert

$131k – $237k per year • Senior • 12+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
Node JS
Java
Python
JavaScript
Node JS
PM2
Databases
Neo4j
ElasticSearch
DevOps
CloudFormation
Amazon EC2
Jenkins
Rest API
Git
AWS
Management
Agile
+6
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Booz Allen Hamilton

boozallen.com
boozallen.com • HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1499, 96 new
HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1499, 96 new
Booz Allen Hamilton is an American consulting firm founded in 1914 that has spent most of the past century working for the United States government, and today derives almost all of its revenue from federal clients. It supplies technology and mission services to defence, intelligence, civil and health agencies, covering systems engineering, cyber operations, data platforms and increasingly artificial intelligence deployed inside classified environments. Headquartered in McLean, Virginia and listed on the New York Stock Exchange, it employs tens of thousands of security-cleared staff and competes with the other large federal services contractors for multi-year programme awards.
Sophie Sweeney · Director · decision-maker
Sarah St · Directors · decision-maker
Matt Calderone · Chief Financial Officer · decision-maker
Horacio Rozanski · Chairman, President & Chief Executive Officer · decision-maker
No careers mailbox known
Top 25% payVerified live · 1 day ago Visa sponsor 4 days ago Likely open · 63%

Software and Systems Engineer, Senior

$87k – $198k per year • Senior • 7+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
Scrum
Agile
Confluence
Jira
Apply
Top 25% payVerified live · 1 day ago Visa sponsor 25 days ago Fading · 42%

SIGINT Tools Full Stack Developer

$87k – $198k per year • Senior • 5+ years exp • In office (McLean, Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
PHP
Node JS
C#
C++
JavaScript
Python
PHP
Drupal
C#
.NET
Frontend
React.js
Management
Agile
+2
Apply
Top 25% payVerified live · 1 day ago Visa sponsor 30 days ago Fading · 30%

Mission Critical Program Full Stack Developer, Lead

$113k – $257k per year • Lead • 8+ years exp • In office (McLean, Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Staff
Node JS
C#
TypeScript
JavaScript
Python
C#
.NET
Frontend
React.js
DevOps
AWS
Management
Agile
+1
Apply

Fantom Corporation

fantomcorp.com
fantomcorp.com • McLean • Tysons • Chantilly • Fort Meade • Hanover • IT Consulting & Digital Transformation • 201-500 employees • Trust B • Hiring 32, 6 new
McLean • Tysons • Chantilly • Fort Meade • Hanover • IT Consulting & Digital Transformation • 201-500 employees • Trust B • Hiring 32, 6 new
Home About Benefits Contact Us Careers Home About Benefits Contact Us Careers About the Company Fantom Corporation provides high-end information technology (IT) services to federal and commercial clients, offering a wide range of capabilities for any project need.
No named decision-maker yet.
Careers mailbox is known
Verified live · 4 hours ago 6 days ago Likely open · 63%

Senior Software Engineer

Senior • 10+ years exp • Hybrid (Chantilly, United States) • Bachelor's Degree • Full-Time • Top Secret • Senior
Python
Apply
Verified live · 4 hours ago 7 days ago Likely open · 63%

Full Stack Engineer

≈ $155k – $288k per year (Estimated) • Staff+ • 10+ years exp • Hybrid (Chantilly, United States) • Bachelor's Degree • Full-Time • Top Secret • Staff
Python
Python
Django
DevOps
Kubernetes
Apply
Verified live · 4 hours ago 2 months ago Long shot · 18%

Software Engineer

≈ $149k – $276k per year (Estimated) • Staff+ • 12+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Principal
Java
Python
Databases
MS SQL
ElasticSearch
OpenSearch
MySQL
PostgreSQL
DevOps
Unix
Jenkins
Terraform
Rest API
Git
Linux
CI/CD
AWS
Management
Agile
+8
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Peraton

peraton.com
peraton.com • HQ: Reston, United States • Systems Integrators • Information Security • Homeland Security • National Security • 1001-5000 employees • Est. 2017 • Trust A • Hiring 907, 154 new
HQ: Reston, United States • Systems Integrators • Information Security • Homeland Security • National Security • 1001-5000 employees • Est. 2017 • Trust A • Hiring 907, 154 new
Peraton is an American national security and technology company that provides systems engineering, IT modernisation, cyber, space and communications services to defense, intelligence, homeland security, civil and health agencies of the US government. Formed in 2017 by Veritas Capital and enlarged in 2021 through the acquisitions of the federal IT and mission support business of Northrop Grumman and of Perspecta, it employs tens of thousands of people across the United States. The company is headquartered in Reston, Virginia, United States.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 1 hour ago 7 days ago Hiring now · 76%

Lead Platform Architect

$146k – $234k per year • Lead • 10+ years exp • In office (Chantilly, United States) • TS/SCI • Architect
Service Mesh
GitLab
AWS
Kubernetes
Management
ITSM
Apply
Top 25% payVerified live · 1 hour ago 1 month ago Long shot · 20%

SATCOM Software Engineer, Senior Advisor

$146k – $234k per year • Senior • 14+ years exp • In office (Chantilly, United States) • PhD • TS/SCI • Senior
Apply

SAIC

saic.com
saic.com • HQ: Reston, United States • Engineering Services • Digital Government • Systems Integrators • 5000+ employees • Est. 2013 • Trust B • Hiring 694, 63 new
HQ: Reston, United States • Engineering Services • Digital Government • Systems Integrators • 5000+ employees • Est. 2013 • Trust B • Hiring 694, 63 new
SAIC delivers technology integration and mission services to government agencies. Its work spans enterprise information technology, space systems, engineering and digital modernisation. The company is one of the largest federal services contractors.
No named decision-maker yet.
No careers mailbox known
Verified live · 6 hours ago 7 days ago Likely open · 55%

Software Engineer Senior

≈ $134k – $247k per year (Estimated) • Senior • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Citizenship or vetting required • Senior
Visual Basic
C#
SQL
C#
ASP.NET Core
WPF
Analytics
Tableau
Microsoft Excel
Apply
Verified live · 6 hours ago 29 days ago Long shot · 22%

GEOINT Ground Software Systems Engineer

≈ $168k – $312k per year (Estimated) • Staff+ • 9+ years exp • In office (Chantilly, United States) • High School Diploma • TS/SCI • Staff
Apply
Verified live · 6 hours ago 30 days ago Long shot · 22%

Software Engineer (Part-Time)

≈ $165k – $306k per year (Estimated) • Staff+ • 9+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Part-Time • TS/SCI • Staff
Bash
PHP
Node JS
JavaScript
Python
TypeScript
Databases
MySQL
AI/ML
Machine Learning
Frontend
Bootstrap
JQuery
Angular
DevOps
Rest API
Linux
Azure
AWS
Analytics
ETL/ELT
Management
Confluence
+9
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Technica

technicacorp.com
technicacorp.com • Washington • Chantilly • Fort Belvoir • Sterling • Dulles • Information Technology • 501-1000 employees • Hiring 21, 1 new
Washington • Chantilly • Fort Belvoir • Sterling • Dulles • Information Technology • 501-1000 employees • Hiring 21, 1 new
Driving innovation with custom solutions for unique challenges.. We break down every challenge to apply the smartest possible solution – and if that solution doesn’t exist, we’ll build one.
No named decision-maker yet.
Careers mailbox is known
Verified live · 4 hours ago 8 days ago Hiring now · 90%

Full-Stack Software Engineer

$114k – $140k per year • Middle • 3+ years exp • Hybrid (Chantilly, United States) • Bachelor's Degree • TS/SCI • Middle
Java
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
AI/ML
Claude
AI Agents
Frontend
Angular
DevOps
AWS
Docker
CI/CD
Management
Agile
+4
Apply

J5 Consulting

j5consulting.co
j5consulting.co • HQ: Bowie, United States • Information Technology • IT Infrastructure & Networking Services • IT Consulting & Digital Transformation • 201-500 employees • Est. 2006 • Hiring 64
HQ: Bowie, United States • Information Technology • IT Infrastructure & Networking Services • IT Consulting & Digital Transformation • 201-500 employees • Est. 2006 • Hiring 64
Founded in 2006, J5 Consulting is an information technology and cybersecurity consulting firm headquartered in Bowie, Maryland. Drawing on extensive experience supporting federal government, defense, and commercial enterprises, the company delivers mission-critical IT modernization, enterprise architecture, and cyber defense solutions. Its core service offerings span governance, risk management, and compliance (GRC) audits aligned with NIST and CMMC frameworks, multi-cloud security engineering across AWS and Azure, vulnerability assessments, and continuous monitoring designed to safeguard sensitive assets and maintain regulatory compliance.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago 8 days ago Hiring now · 90%

Software Developer (Systems Software) - J5 Consulting

≈ $118k – $252k per year (Estimated) • In office (Chantilly, United States)
TypeScript
JavaScript
Java
Java
Hibernate
Spring Boot
Databases
PostgreSQL
Frontend
RxJS
OpenLayers
Angular
JQuery
Management
Agile
+3
Apply
Verified live · 2 hours ago 8 days ago Hiring now · 90%

Applications Developer - J5 Consulting

≈ $117k – $251k per year (Estimated) • In office (Chantilly, United States) • TS/SCI
Node JS
JavaScript
TypeScript
Java
Java
Spring Boot
Node JS
Express
Databases
MySQL
Frontend
Vue.js
Bootstrap
Angular
React.js
Mobile
Material Design
DevOps
Rest API
Docker
CI/CD
AWS
Management
Agile
+9
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Verified live · 2 hours ago 8 days ago Hiring now · 90%

Application Developer - J5 Consulting

≈ $121k – $259k per year (Estimated) • In office (Chantilly, United States) • TS/SCI
TypeScript
JavaScript
SQL
Python
Java
Java
Spring Framework
Spring Security
Spring Boot
Databases
ElasticSearch
MySQL
PostgreSQL
HBase
Frontend
React.js
DevOps
Jenkins
Rest API
Git
CI/CD
AWS
Analytics
Apache NiFi
ETL/ELT
+12
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gdit.com • HQ: Falls Church, United States • National Security • Digital Government • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 2006 • Trust A • Hiring 1725, 46 new
HQ: Falls Church, United States • National Security • Digital Government • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 2006 • Trust A • Hiring 1725, 46 new
General Dynamics Information Technology, known as GDIT, is the technology services division of the defence contractor General Dynamics and one of the largest suppliers of IT to the United States federal government. It designs, builds and operates networks, cloud environments, cybersecurity and mission applications for defence, intelligence, homeland security and civilian agencies, work that requires a very large security-cleared workforce. The division roughly doubled in scale through the 2018 acquisition of CSRA, and has since concentrated on cloud migration, zero trust architecture and applying artificial intelligence inside accredited government environments.
Amy Gilliland · President · decision-maker
Careers mailbox is known
Top 25% payVerified live · 1 day ago Visa sponsor 8 days ago Likely open · 63%

Senior Software Engineer - TS/SCI with Polygraph

$141k – $191k per year • Senior • 6+ years exp • In office (Chantilly, McLean, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
JavaScript
Ruby
Ruby
Ruby on Rails
Frontend
Vue.js
Bootstrap
DevOps
GitHub
Git
Linux
AWS
CI/CD
Management
Agile
+3
Apply
Top 25% payVerified live · 1 day ago Visa sponsor 8 days ago Likely open · 63%

Software Engineer- TS/SCI with Polygraph

$141k – $191k per year • Senior • 6+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
JavaScript
Ruby
Ruby
Ruby on Rails
Frontend
Vue.js
Bootstrap
DevOps
GitHub
Git
Linux
AWS
CI/CD
Management
Agile
+3
Apply
Verified live · 1 day ago Visa sponsor 1 month ago Long shot · 19%

Full Stack API Developer- TS/SCI with Polygraph

$187k – $252k per year • Staff+ • 15+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Architect
TypeScript
JavaScript
Java
Java
Spring Boot
Databases
ArangoDB
ElasticSearch
Frontend
Angular
DevOps
AWS
Management
Agile
+1
Apply

GRVTY

grvty.com
grvty.com • HQ: Tysons, United States • Intelligence • National Security • 1001-5000 employees • Est. 2025 • Trust B • Hiring 144, 14 new
HQ: Tysons, United States • Intelligence • National Security • 1001-5000 employees • Est. 2025 • Trust B • Hiring 144, 14 new
GRVTY is a US national security company that delivers mission and technical expertise in space, spectrum and cyber to defence and intelligence customers. Its programs involve software development on large-scale data platforms, GEOINT collection and analysis, signals intelligence training and vulnerability research, with work performed at customer sites such as Herndon and Springfield in Virginia and Annapolis Junction in Maryland. It hires cleared software engineers, big data analysts, Android and iOS developers, UI/UX developers, test and integration engineers, GEOINT analysts and technical training instructors, most roles requiring TS/SCI clearance.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 3 hours ago Visa sponsor 11 days ago Likely open · 63%

Mid/Sr Software Developer

$118k – $226k per year • Senior • 5+ years exp • In office (Aurora, Chantilly, Herndon, United States) • Bachelor's Degree • TS/SCI • Senior
C++
Java
Python
Kotlin
Java
Lombok
Gradle
Kotlin
Mockito
Databases
ActiveMQ
Apache Kafka
DevOps
Rest API
CI/CD
AWS
Helm
Git
Linux
Kubernetes
Analytics
Apache NiFi
QA
Swagger
+10
Apply
Top 25% payVerified live · 3 hours ago Visa sponsor 1 month ago Fading · 38%

Software Developer (Systems Software)

$150k – $250k per year • In office (Chantilly, United States) • TS/SCI
Java
DevOps
AWS
Management
ServiceNow
Agile
Apply
Top 25% payVerified live · 3 hours ago Visa sponsor 1 month ago Fading · 35%

Senior Software Engineer

$200k – $270k per year • Senior • 8+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
TypeScript
JavaScript
Python
Cybersecurity
Ghidra
IDA Pro
Apply

Acclaim Technical Services

acclaimtechnical.com
acclaimtechnical.com • HQ: Reston, United States • Recruiting & Staffing • National Security • 51-200 employees • Est. 2000 • Hiring 68, 1 new
HQ: Reston, United States • Recruiting & Staffing • National Security • 51-200 employees • Est. 2000 • Hiring 68, 1 new
Acclaim Technical Services (ATS) is an employee-owned American government contractor headquartered in Reston, Virginia, providing cyber operations, intelligence, language, network infrastructure, engineering and enterprise IT services to the defense and intelligence communities. Founded in 2000 and owned through an employee stock ownership plan, it supports a range of US federal agencies with staff concentrated around Chantilly, Annapolis Junction, McLean and Bethesda. Its openings include AI and machine learning engineers, data scientists, full stack and software developers, system integrators and administrators, infrastructure engineers and UI and UX designers.
No named decision-maker yet.
Careers mailbox is known
Verified live · 8 hours ago 14 days ago Likely open · 62%

Software Engineer (2026-0234) - Acclaim Technical Services

≈ $169k – $311k per year (Estimated) • Equity • Senior • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Node JS
Python
JavaScript
Databases
ElasticSearch
DevOps
GitLab CI
Prometheus
GitHub Actions
Grafana
Jenkins
Rest API
Docker
Linux
Kubernetes
CI/CD
AWS
Management
Agile
+8
Apply
Verified live · 8 hours ago 14 days ago Likely open · 62%

Full Stack Developer (2026-0236) - Acclaim Technical Services

≈ $164k – $301k per year (Estimated) • Equity • Senior • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
C++
JavaScript
Python
Python
Flask
Django
Databases
Oracle
DevOps
Git
Analytics
ETL/ELT
Management
Agile
+1
Apply
Verified live · 8 hours ago 23 days ago Fading · 41%

Software Engineer (2026-0079) - Acclaim Technical Services

$200k – $220k per year • Equity • Staff+ • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Staff
Node JS
Python
JavaScript
Databases
MongoDB
RabbitMQ
ElasticSearch
DevOps
CloudFormation
Configuration Management
Prometheus
Grafana
Ansible
Jenkins
Rest API
Docker
Linux
Kubernetes
AWS
Analytics
Apache NiFi
Management
Agile
+11
Apply
caci.com • HQ: Reston, United States • Data & Analytics • Cybersecurity • Military • National Security • IT Consulting & Digital Transformation • Intelligence • Electronic Warfare • 5000+ employees • Est. 1962 • IT services • Trust D • Hiring 1848, 77 new
HQ: Reston, United States • Data & Analytics • Cybersecurity • Military • National Security • IT Consulting & Digital Transformation • Intelligence • Electronic Warfare • 5000+ employees • Est. 1962 • IT services • Trust D • Hiring 1848, 77 new
CACI International is an American technology company founded in 1962 that works almost entirely for United States defence, intelligence and federal civilian agencies. It has moved from being a conventional IT services contractor toward supplying its own technology, with a substantial expeditionary electronic warfare and signals intelligence product line, photonics and optical communications for space, and secure network modernisation. Headquartered in Reston, Virginia, the company employs more than twenty thousand people, the majority holding security clearances, and has grown through a steady programme of acquisitions that add differentiated technology rather than headcount alone.
Jeffrey MacLauchlan · Chief Financial Officer · decision-maker
John Mengucci · President & Chief Executive Officer · decision-maker
Herbert Karr · Co-Founder · founder
No careers mailbox known
Verified live · 1 day ago 16 days ago Likely open · 57%

Web Application Developer – Early Career

$63k – $130k per year • Junior • 3+ years exp • In office (Chantilly, Reston, United States) • Bachelor's Degree • Full-Time • Junior
C#
C#
.NET
DevOps
Rest API
AWS
Apply
Verified live · 1 day ago 17 days ago Likely open · 57%

Web Development Quality Control Engineer

$79k – $165k per year • In office (Chantilly, United States) • Full-Time • TS/SCI • Citizenship or vetting required
JavaScript
DevOps
GitLab
Azure DevOps
Jenkins
Azure
CI/CD
AWS
Management
Agile
QA
Selenium
JMeter
Cypress
Playwright
Swagger
Postman
+6
Apply
Verified live · 1 day ago 22 days ago Likely open · 60%

Web Application Developer

$75k – $158k per year • Senior • 5+ years exp • In office (Chantilly, Reston, United States) • Bachelor's Degree • Full-Time • Senior
C#
C#
.NET
DevOps
Rest API
AWS
Apply

Cayuse Holdings

cayuseholdings.com
cayuseholdings.com • HQ: Pendleton, United States • Business Process Outsourcing (BPO) • IT Consulting & Digital Transformation • Est. 2006 • Hiring 85, 25 new
HQ: Pendleton, United States • Business Process Outsourcing (BPO) • IT Consulting & Digital Transformation • Est. 2006 • Hiring 85, 25 new
Cayuse Holdings is a tribally owned family of companies headquartered near Pendleton, Oregon, providing technology, professional, research and operations support services to federal agencies, state and local governments, commercial clients and tribal organisations. Founded in 2006 and owned by the Confederated Tribes of the Umatilla Indian Reservation, it has offices in Arlington, Huntsville and Honolulu and staff on contracts across the United States and overseas. Its openings include cloud and AI engineers, business and research analysts, program managers, security operations specialists, study coordinators, ophthalmology technicians and administrative support.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 20 days ago Long shot · 19%

Full Stack Developer

≈ $173k – $321k per year (Estimated) • Staff+ • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Top Secret • Staff
Java
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
AI/ML
Claude
Frontend
Angular
DevOps
AWS
Docker
CI/CD
Management
Scrum
Agile
+4
Apply

Markon Solutions

markonsolutions.com
markonsolutions.com • HQ: Falls Church, United States • Facilities Management • IT Consulting & Digital Transformation • Intelligence • 1001-5000 employees • Est. 2007 • Hiring 148, 4 new
HQ: Falls Church, United States • Facilities Management • IT Consulting & Digital Transformation • Intelligence • 1001-5000 employees • Est. 2007 • Hiring 148, 4 new
Markon Solutions is a government services contractor headquartered in Falls Church, Virginia, supporting the intelligence community, defense agencies and federal civilian customers with cyber, digital transformation, engineering and facilities management work. A repeated Washington Post Top Workplace, it staffs programs at Fort Meade, Annapolis Junction, Chantilly, McLean and Herndon, and supports naval nuclear work in West Mifflin and Niskayuna. Hiring covers software developers, systems and network engineers, data scientists, target analysts, civil, structural and electrical engineers, facility managers, space auditors and accountants.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 5 min ago 21 days ago Fading · 44%

Full Stack Developer

$150k – $180k per year • Senior • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
C#
JavaScript
TypeScript
Java
Java
Spring Boot
Frontend
Angular
DevOps
Jenkins
GitHub
Docker
Kubernetes
CI/CD
AWS
Management
Confluence
Scrum
Agile
+7
Apply
Top 25% payVerified live · 5 min ago 21 days ago Fading · 44%

Expert Full-Stack Software Developer

$170k – $220k per year • Senior • 11+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Java
TypeScript
JavaScript
Frontend
Angular
DevOps
SOAP
Jenkins
Terraform
Rest API
Git
Linux
CI/CD
AWS
Management
Scrum
Agile
+6
Apply
Top 25% payVerified live · 5 min ago 21 days ago Fading · 44%

Senior Java Full Stack Developer

$150k – $200k per year • Senior • 7+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Java
TypeScript
JavaScript
Frontend
Angular
DevOps
Puppet
SOAP
Jenkins
Terraform
Rest API
Git
Linux
CI/CD
AWS
Analytics
ETL/ELT
Management
Scrum
Agile
+8
Apply
Machines can read this selection · checked 08:13 UTC
Backend Developer Jobs in Chantilly
Frequently asked questions
How many Backend Developer jobs in Chantilly are available on Alion?
There are currently 77 active listings from 31 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Chantilly pay?
The average salary is around $230,009 per year based on the current listings.
Are remote options available for Backend Developer jobs in Chantilly?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in Chantilly?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.