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.

Chantilly
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

SOSi

sosi.com
sosi.com • HQ: Reston, United States • IT Infrastructure & Networking Services • Military Logistics • Translation Services • Intelligence • 1001-5000 employees • Est. 1989 • Trust C • Hiring 219, 3 new
HQ: Reston, United States • IT Infrastructure & Networking Services • Military Logistics • Translation Services • Intelligence • 1001-5000 employees • Est. 1989 • Trust C • Hiring 219, 3 new
SOS International, known as SOSi, is a privately held American government services company founded in 1989 that began by supplying linguists and interpreters to the United States military. It has since broadened into intelligence analysis, logistics and base operations support, information technology and network engineering, and cybersecurity, working for defence, intelligence and federal civilian customers both in the United States and in deployed locations. Headquartered in Reston, Virginia and still family owned, it employs several thousand people, a large share of them holding security clearances.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 23 days ago Fading · 44%

Software Developer (Senior)

≈ $119k – $219k per year (Estimated) • Senior • 7+ years exp • In office (Chantilly, United States) • Full-Time • TS/SCI • Senior • English
Apply
Verified live · 3 hours ago 23 days ago Fading · 44%

Software Developer (Expert)

≈ $119k – $219k per year (Estimated) • Senior • 15+ years exp • In office (Chantilly, United States) • Full-Time • TS/SCI • Senior • English
Apply
Verified live · 3 hours ago 23 days ago Likely open · 45%

Software Architect (SME)

≈ $142k – $265k per year (Estimated) • Staff+ • 20+ years exp • In office (Chantilly, United States) • Full-Time • TS/SCI • Architect • English
Apply
aerospace.org • HQ: El Segundo, United States • National Security • Research Institutes • 1001-5000 employees • Est. 1960 • Trust B • Hiring 415, 49 new
HQ: El Segundo, United States • National Security • Research Institutes • 1001-5000 employees • Est. 1960 • Trust B • Hiring 415, 49 new
The Aerospace Corporation is a federally funded research centre supporting national security space programmes. Its engineers provide launch verification, systems engineering and mission assurance for government satellite projects. The organisation also researches orbital debris, resilient architectures and space policy.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 days ago 26 days ago Fading · 38%

2027 Software Engineering Grad Intern

$64k – $70k per year • Intern • In office (Chantilly, El Segundo, United States) • Relocation • Master's Degree • Internship • TS/SCI • Citizenship or vetting required • Intern
C++
Java
Python
DevOps
Azure
Apply
Top 25% payVerified live · 2 days ago 1 month ago Long shot · 22%

2027 RPO Software Developer/Analyst

$100k – $140k per year • Junior • El Segundo • Chantilly • Colorado Springs • Remote (United States) • Relocation • PhD • Full-Time • TS/SCI • Citizenship or vetting required
C++
Python
DevOps
Bitbucket
GitHub
Git
Management
Jira
Apply
Verified live · 2 days ago 2 months ago Long shot · 9%

Software Integration Engineer

$87k – $130k per year • Junior • 2+ years exp • In office (Chantilly, United States) • Relocation • Bachelor's Degree • Full-Time • TS/SCI • Citizenship or vetting required • Junior
C++
Java
Python
Java
Spring Framework
AI/ML
LLM
DevOps
Bitbucket
Git
Linux
Management
Confluence
Agile
+2
Apply

Bcore

bcore.com
bcore.com • McLean • Springfield • Saint Louis • Reston • Herndon • Intelligence • IT Consulting & Digital Transformation • 201-500 employees • Hiring 53, 1 new
McLean • Springfield • Saint Louis • Reston • Herndon • Intelligence • IT Consulting & Digital Transformation • 201-500 employees • Hiring 53, 1 new
Bcore is an American defense and intelligence contractor delivering enterprise IT, cloud, DevSecOps, systems engineering, software development and intelligence analysis to national security customers. Organised into Insight Solutions, Labs and Mission Services divisions, it staffs programs in Northern Virginia, including Herndon, Chantilly, McLean and Springfield, and in Saint Louis, Missouri, where many roles require TS/SCI clearance. Openings include ServiceNow, cloud, HPC and DevSecOps engineers, systems administrators, cyber security systems engineers, software and Python developers, UI and UX designers, technical writers and project managers.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 3 hours ago 29 days ago Fading · 30%

Software Developer

$190k – $230k per year • Senior • 6+ years exp • In office (Chantilly, United States) • TS/SCI • Senior
Java
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
AI/ML
LLM
Frontend
Angular
DevOps
Amazon EC2
IAM
Jenkins
Git
AWS
Management
Jira
Scrum
Agile
+7
Apply
Verified live · 3 hours ago 29 days ago Fading · 34%

Software Engineer

$175k – $195k per year • Staff+ • 11+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Principal
TypeScript
JavaScript
Ruby
Ruby
Ruby on Rails
DevOps
AWS
Management
Agile
Apply
triglocon.com • Saint Louis • Charleston • San Antonio • Norfolk • Travis Air Force Base • Management Consulting • 201-500 employees • Trust D • Hiring 30, 2 new
Saint Louis • Charleston • San Antonio • Norfolk • Travis Air Force Base • Management Consulting • 201-500 employees • Trust D • Hiring 30, 2 new
Trinity Global Consulting, known as TriGloCon, is a consulting and contracting firm that supports government clients with contract management and technical services. Its postings include contract managers, software integration engineers, transportation management leads and clerks at locations such as Chantilly and San Antonio. The company is based in the United States.
No named decision-maker yet.
Careers mailbox is known
Verified live · 6 hours ago 1 month ago Fading · 41%

Senior Software Integration Engineer

≈ $134k – $247k per year (Estimated) • Senior • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
SOAP
Ansible
Rest API
Docker
Linux
Kubernetes
CI/CD
Cybersecurity
LDAP
PKI
Management
Scrum
Agile
+3
Apply
Verified live · 6 hours ago 1 month ago Fading · 25%

Integration Software Engineer

≈ $123k – $264k per year (Estimated) • In office (Chantilly, United States) • Full-Time • TS/SCI
GitLab
Ansible
Linux
Cybersecurity
PKI
Apply

ManTech

mantech.com
mantech.com • HQ: Herndon, United States • IT Consulting & Digital Transformation • Information Security • National Security • 1001-5000 employees • Est. 1968 • Trust A • Hiring 452, 84 new
HQ: Herndon, United States • IT Consulting & Digital Transformation • Information Security • National Security • 1001-5000 employees • Est. 1968 • Trust A • Hiring 452, 84 new
ManTech is a Virginia company founded in 1968 that provides technology services to United States defence and intelligence agencies. Its work covers cybersecurity, data analytics, cloud and mission systems engineering. The company employs thousands of cleared technologists.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 16 min ago 1 month ago Long shot · 20%

Application Developer

$115k – $190k per year • Senior • 7+ years exp • In office (Chantilly, United States) • High School Diploma • TS/SCI • Senior
JavaScript
SQL
TypeScript
Java
Java
Spring Framework
Hibernate
Databases
ElasticSearch
Frontend
Angular
DevOps
Git
+1
Apply

KBR

kbr.com
kbr.com • HQ: Houston, United States • Space Services • Military Logistics • Engineering Services • 5000+ employees • Est. 1998 • Trust B • Hiring 1394, 61 new
HQ: Houston, United States • Space Services • Military Logistics • Engineering Services • 5000+ employees • Est. 1998 • Trust B • Hiring 1394, 61 new
KBR is an engineering, science and technology company headquartered in Houston, Texas, delivering government services, defense and space mission support, process technology licensing and engineering for energy, chemicals and infrastructure projects. Listed on the New York Stock Exchange, it works across the United States, the United Kingdom, Australia and the Middle East, and in September 2025 announced the spin-off of its Mission Technology Solutions business into a separate public company. It hires process, piping, instrumentation, structural and HSE engineers, project and construction managers, logistics and commercial specialists, and finance, tax and IT staff.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 1 month ago Long shot · 13%

Software Acquisitions Engineer

$150k – $187k per year • Staff+ • 9+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Staff
HPC
Management
Agile
Apply
Verified live · 1 hour ago 2 months ago Long shot · 3%

JR Software Engineer

$94k – $115k per year • Junior • 10+ years exp • In office (Chantilly, Columbia, King of Prussia, San Antonio, El Segundo, United States) • Relocation • Bachelor's Degree • Full-Time • TS/SCI • Junior
Apply
Top 25% payVerified live · 1 hour ago 2 months ago Long shot · 4%

Sr. Software Engineer

$156k – $215k per year • Senior • 10+ years exp • In office (Chantilly, United States) • Relocation • High School Diploma • Full-Time • TS/SCI • Senior
C++
JavaScript
Python
Databases
MySQL
PostgreSQL
AI/ML
Machine Learning
Frontend
React.js
DevOps
Configuration Management
Bitbucket
Git
Docker
Kubernetes
Azure
CI/CD
AWS
Cybersecurity
Fortify
Management
Confluence
Jira
Agile
+11
Apply

Node.Digital

node.digital
node.digital • HQ: Leesburg, United States • AI Agents • Workflow & Process Automation (RPA, BPM) • 51-200 employees • Trust B • Hiring 18, 2 new
HQ: Leesburg, United States • AI Agents • Workflow & Process Automation (RPA, BPM) • 51-200 employees • Trust B • Hiring 18, 2 new
Node.Digital is a digital automation and AI engineering firm based in Leesburg, Virginia, that builds intelligent automation, agentic AI, AI-powered software delivery, document processing and data fusion solutions for government and commercial clients. It pairs solution accelerators with forward-deployed engineers, and works largely on federal programs through contract vehicles, with staff in Northern Virginia, Washington and Texas. Hiring centers on RPA and UiPath developers, AI/ML engineers and data scientists, data architects, cloud and DevOps engineers, cyber and forensic analysts, incident managers and program managers.
No named decision-maker yet.
Careers mailbox is known
Verified live · 6 hours ago 1 month ago Likely open · 56%

Software Developer (Systems Software)

≈ $122k – $260k per year (Estimated) • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI
Java
DevOps
AWS
Management
ServiceNow
Agile
Apply
Open 164 daysVerified live · 6 hours ago 5 months ago Long shot · 10%

Full Stack Developer

≈ $123k – $264k per year (Estimated) • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI
JavaScript
Python
Python
pySpark
Databases
HBase
ElasticSearch
AI/ML
Hadoop
Spark
DevOps
GitHub
AWS
+1
Apply
ms2ic.com • HQ: Chantilly, United States • Est. 2019 • Hiring 13
HQ: Chantilly, United States • Est. 2019 • Hiring 13
MILLENNIAL SOFTWARE. From research and development to solution innovation, we're always looking for passionate problem-solvers who are driven by curiosity.
No named decision-maker yet.
Careers mailbox is known
Verified live · 12 min ago 1 month ago Fading · 25%

Entry Level Full Stack Developer- $65K-$116K + 15% 401k

$65k – $116k per year • Junior • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • Junior
Go
Node JS
C#
TypeScript
JavaScript
Python
Databases
RabbitMQ
Apache Kafka
AI/ML
Machine Learning
Frontend
Vue.js
GraphQL
Angular
React.js
DevOps
Helm
Rest API
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+13
Apply
Top 25% payVerified live · 12 min ago 1 month ago Fading · 25%

Junior-Mid Full Stack Developer, TS/SCI with CI Poly - $95K-$180K + 15% 401k

$95k – $180k per year • Junior • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Junior
Go
Node JS
C#
TypeScript
JavaScript
Python
Databases
RabbitMQ
Apache Kafka
AI/ML
Machine Learning
Frontend
Vue.js
GraphQL
Angular
React.js
DevOps
Helm
Rest API
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+13
Apply
Top 25% payVerified live · 12 min ago 1 month ago Fading · 36%

Senior Full Stack Developer, TS/SCI with Poly - $180K-$270K + 15% 401k

$180k – $270k per year • Senior • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Go
Node JS
C#
TypeScript
JavaScript
Python
Databases
RabbitMQ
Apache Kafka
AI/ML
Machine Learning
Frontend
Vue.js
GraphQL
Angular
React.js
DevOps
Helm
Rest API
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+13
Apply

Bti360

bti360.com
bti360.com • HQ: Herndon, United States • Trust A • Hiring 7
HQ: Herndon, United States • Trust A • Hiring 7
At BTI360, we deliver great software fast. Based in NOVA, BTI360 is a team of engineers who love crafting cool software solutions that solve hard problems.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 1 hour ago 1 month ago Hiring now · 86%

Backend Python Engineer - Polygraph Required

$114k – $248k per year • In office (Chantilly, United States) • TS/SCI
Python
Python
Flask
Django
Databases
ElasticSearch
OpenSearch
Apache Kafka
DevOps
GitLab CI
GitHub Actions
Jenkins
Rest API
Git
CI/CD
AWS
Amazon Kinesis
AWS Step Functions
Terraform
Management
Agile
QA
Pytest
+10
Apply

Tesla Laboratories

tesla.net
tesla.net • HQ: Arlington, United States • Digital Government • Engineering Services • 51-200 employees • Trust A • Hiring 30
HQ: Arlington, United States • Digital Government • Engineering Services • 51-200 employees • Trust A • Hiring 30
Tesla Laboratories is a service-disabled veteran-owned small business based in Arlington, Virginia, that provides cyber security, intelligence analysis, financial management, facilities engineering and program management support to the US Intelligence Community, the Department of Defense and other federal agencies. It places staff at customer sites in Virginia, Washington State, Florida, Michigan, Alabama, Hawaii, New Hampshire and Washington, DC. Its openings include civil, electrical, mechanical, structural and fire protection engineers, cost estimators, construction inspectors, program and project managers and cleared software engineers.
No named decision-maker yet.
No careers mailbox known
Verified live · 7 hours ago 1 month ago Long shot · 9%

Software Engineer - TS/SCI FSPG

≈ $121k – $258k per year (Estimated) • In office (Chantilly, United States)
Scala
Node JS
Java
TypeScript
JavaScript
Java
Spring Framework
Spring Security
Apache Tomcat
Spring Boot
Databases
DynamoDB
PostgreSQL
AI/ML
NLP
Frontend
Angular
Angular Material
Mobile
JUnit
DevOps
Jenkins
Rest API
Git
Azure
AWS
Management
Agile
QA
Jest
+14
Apply
Verified live · 7 hours ago 2 months ago Long shot · 4%

Software Developer TS/SCI FSPG Chantilly

≈ $136k – $249k per year (Estimated) • In office (Chantilly, United States)
JavaScript
Python
Python
pySpark
Databases
HBase
ElasticSearch
AI/ML
Hadoop
Spark
DevOps
GitHub
AWS
+1
Apply

Accenture Federal Services

accenturefederal.com
accenturefederal.com • HQ: Arlington, United States • IT Consulting & Digital Transformation • Digital Government • 5000+ employees • Trust B • Hiring 558, 50 new
HQ: Arlington, United States • IT Consulting & Digital Transformation • Digital Government • 5000+ employees • Trust B • Hiring 558, 50 new
Accenture Federal Services is the US federal government business of the global professional services firm Accenture, providing technology, cloud, AI, data and cybersecurity services to defense, national security, public safety, civilian and military health agencies, headquartered in Arlington, Virginia, near Washington, DC. It operates as a wholly owned subsidiary of Accenture and employs more than 13,000 people. Its openings are mostly technical roles such as cloud services engineers, software engineering leads, solution architects, data engineers, CI/CD pipeline engineers, SharePoint specialists, system administrators, test engineers and user experience designers.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 1 month ago Fading · 42%

Full Stack Developer

≈ $156k – $287k per year (Estimated) • Senior • 8+ years exp • Hybrid (Chantilly, United States) • Bachelor's Degree • TS/SCI • Staff
Go
Node JS
TypeScript
Java
Python
JavaScript
Databases
DynamoDB
Frontend
React.js
DevOps
AWS Lambda
AWS
Management
Agile
+3
Apply
Verified live · 1 hour ago 1 month ago Fading · 35%

Senior Software-Defined Network (SDN) Engineer

≈ $141k – $260k per year (Estimated) • Senior • 5+ years exp • In office (Chantilly, United States) • TS/SCI • Senior
VMWare
BGP
MPLS
Ansible
Cybersecurity
FedRAMP
Zero Trust
Apply
Verified live · 1 hour ago 2 months ago Fading · 25%

Software Engineer - SME

≈ $185k – $344k per year (Estimated) • Staff+ • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Top Secret • Staff
Node JS
JavaScript
Python
TypeScript
Databases
RabbitMQ
ElasticSearch
OpenSearch
Apache Kafka
Frontend
GraphQL
tRPC
React.js
DevOps
gRPC
Rest API
Kubernetes
Docker
Cybersecurity
Zero Trust
OpenCTI
Management
Agile
+10
Apply
rincon.com • HQ: Tucson, United States • Intelligence • Electronic Warfare • Est. 1983 • Trust B • Hiring 37, 1 new
HQ: Tucson, United States • Intelligence • Electronic Warfare • Est. 1983 • Trust B • Hiring 37, 1 new
Welcome to Rincon Research Corporation. Our core business is to design, build, test, and field high-performance DSP products and services for the U.S. Defense and Intelligence communities.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 1 month ago Fading · 26%

Software Engineer - Agentic Systems

$130k – $160k per year • Equity • Senior • 5+ years exp • In office (Chantilly, United States) • Full-Time • TS/SCI • Citizenship or vetting required • Senior
Go
C#
TypeScript
C++
JavaScript
Python
AI/ML
Function Calling
AI Agents
LangGraph
AutoGen
Embeddings
Semantic Kernel
Semantic Search
LangChain
Model Context Protocol
RAG
LLM
DevOps
Git
Docker
CI/CD
Linux
Kubernetes
Cybersecurity
Zero Trust
+15
Apply
Top 25% payVerified live · 1 hour ago 2 months ago Long shot · 15%

Sr. Software Developer

$225k – $275k per year • Equity • Senior • In office (Chantilly, United States) • Full-Time • TS/SCI • Citizenship or vetting required • Senior
C++
Python
Databases
PostgreSQL
DevOps
GitLab
Podman
Docker
Kubernetes
Management
Agile
Apply

LeoLabs

leolabs.space
leolabs.space • HQ: Menlo Park, United States • Ground Systems • Space Defense • Space Services • 201-500 employees • Est. 2016 • Trust B • Hiring 27
HQ: Menlo Park, United States • Ground Systems • Space Defense • Space Services • 201-500 employees • Est. 2016 • Trust B • Hiring 27
LeoLabs is a space situational awareness company headquartered in Menlo Park, California, and founded in 2016 as a spin-off from SRI International. The company operates a global network of phased array radars that track satellites and debris in low Earth orbit, publishing conjunction warnings and orbit determination data. It sells to satellite operators, insurers, and defense agencies that need independent tracking of objects and manoeuvres above the atmosphere.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 13 min ago 1 month ago Likely open · 67%

Senior Software Engineer

up to $186k per year • Equity • Senior • 5+ years exp • Washington • Chantilly • Remote (United States) • Bachelor's Degree • Contractor • TS/SCI • Senior
Go
Python
TypeScript
JavaScript
Databases
MySQL
Apache Kafka
PostgreSQL
DevOps
GCP
Azure
CI/CD
AWS
Kubernetes
+4
Apply

Anduril Industries

anduril.com
anduril.com • HQ: Costa Mesa, United States • Defense Manufacturing • C4ISR • Military Drones • Defense AI • 5000+ employees • Est. 2017 • Trust B • Hiring 2079, 153 new
HQ: Costa Mesa, United States • Defense Manufacturing • C4ISR • Military Drones • Defense AI • 5000+ employees • Est. 2017 • Trust B • Hiring 2079, 153 new
Anduril Industries is an American defence technology company founded in 2017 that builds autonomous systems and command software for military and border security customers. Rather than bidding on cost-plus programmes, it develops products with its own capital and sells them as finished systems, from surveillance towers and counter-drone interceptors to underwater vehicles and collaborative combat aircraft. Its Lattice software platform fuses sensor data into a single operating picture and controls the hardware family, and the company is headquartered in Costa Mesa, California with a large manufacturing site in Ohio.
Matt Grimm · Co-Founder & Chief Operating Officer · decision-maker
Trae Stephens · Co-Founder & Executive Chairman · decision-maker
Brian Schimpf · Co-Founder & Chief Executive Officer · decision-maker
Palmer Luckey · Founder · decision-maker
Careers mailbox is known
Top 25% payVerified live · 1 hour ago 2 months ago Fading · 25%

Staff Software Engineer, Space Special Programs

$220k – $292k per year • Equity • Staff+ • 10+ years exp • In office (Chantilly, Herndon, United States) • Bachelor's Degree • Top Secret • Citizenship or vetting required • Staff
C
C
Embedded C
AI/ML
Computer Vision
Machine Learning
Robotics
Sensor Fusion
Apply
Top 25% payVerified live · 1 hour ago 2 months ago Long shot · 18%

Software Engineer, Space Special Programs

$166k – $220k per year • Equity • Junior • 2+ years exp • In office (Chantilly, Herndon, United States) • Bachelor's Degree • Top Secret • Citizenship or vetting required • Junior
VHDL
AI/ML
Computer Vision
Machine Learning
Robotics
Sensor Fusion
Apply

Sphinx Defense

sphinxdefense.com
sphinxdefense.com • HQ: Washington, United States • Space & Aerospace • 11-50 employees • Est. 2020 • Likely startup • Hiring 18
HQ: Washington, United States • Space & Aerospace • 11-50 employees • Est. 2020 • Likely startup • Hiring 18
At Sphinx Defense, we develop high-performance software that powers secure, efficient space missions—keeping critical missions on track.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 2 hours ago 2 months ago Likely open · 57%

Senior Full Stack Engineer

$157k – $190k per year • Equity • Senior • 5+ years exp • Hybrid (Chantilly, United States) • TS/SCI • Citizenship or vetting required • Senior
TypeScript
JavaScript
SQL
Python
Frontend
Vue.js
Angular
React.js
DevOps
Rest API
Docker
Kubernetes
+2
Apply

M1 Technology

m1technology.com
m1technology.com • HQ: Chantilly, United States • Trust A • Hiring 11
HQ: Chantilly, United States • Trust A • Hiring 11
MISSION FIRST. Our prime contract number is 47QTCA19D003D. Detailed information can be seen in the GSA Library.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 2 months ago Likely open · 57%

Full Stack Typescript Developer

≈ $122k – $262k per year (Estimated) • In office (Chantilly, Herndon, United States) • TS/SCI
TypeScript
Node JS
JavaScript
Python
Python
Flask
Django
Node JS
Nest.JS
Databases
ElasticSearch
Frontend
Angular
React.js
QA
Selenium
Cypress
+4
Apply
Verified live · 3 hours ago 4 months ago Fading · 32%

Software Engineer

≈ $125k – $268k per year (Estimated) • In office (Herndon, McLean, Chantilly, United States) • TS/SCI
Node JS
JavaScript
SQL
Python
TypeScript
Node JS
Nest.JS
Databases
DynamoDB
MySQL
PostgreSQL
Frontend
Vue.js
Angular
React.js
React Query
DevOps
Rest API
AWS
AWS Lambda
API Gateway
Amazon S3
CI/CD
Management
n8n
Confluence
Agile
+14
Apply

Dark Wolf Solutions

darkwolf.io
darkwolf.io • HQ: Herndon, United States • Managed Security • Custom Software Development • DevSecOps • Information Security • 1001-5000 employees • Trust A • Hiring 63, 4 new
HQ: Herndon, United States • Managed Security • Custom Software Development • DevSecOps • Information Security • 1001-5000 employees • Trust A • Hiring 63, 4 new
Dark Wolf Solutions is a specialized technology services provider offering cybersecurity, DevSecOps, and custom software engineering solutions. The company delivers advanced digital capabilities, threat intelligence, and risk management services to defense agencies, intelligence clients, and commercial enterprises. Headquartered in Herndon, Virginia, it operates across multiple locations to support mission-critical systems and complex IT environments.
No named decision-maker yet.
Careers mailbox is known
Verified live · 2 hours ago 2 months ago Fading · 36%

AI Software Engineer - SME

$185k – $240k per year • Staff+ • 15+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Contractor • TS/SCI • Architect
C++
Python
AI/ML
Fine-tuning
Machine Learning
DevOps
Kubernetes
AWS
Cybersecurity
Zero Trust
Management
Agile
Apply
Top 25% payVerified live · 2 hours ago 5 months ago Long shot · 16%

AI Lead Software Architect - SME

$225k – $285k per year • Lead • 15+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Contractor • TS/SCI • Architect
Rust
Java
Python
AI/ML
LangGraph
AutoGen
DeepSpeed
LlamaIndex
LoRA
vLLM
Fine-tuning
RLHF
Quantization
QLoRA
TensorRT-LLM
Ray
Mixture of Experts
CUDA
Triton
LLMOps
DPO
GRPO
Post-training
TPU
LLM Guardrails
Speculative Decoding
Multi-Agent Systems
PyTorch
RAG
LLM
Machine Learning
AI Agents
TensorRT
PEFT
LangChain
DevOps
Istio
Pulumi
Service Mesh
HPC
Terraform
Kubernetes
Azure
AWS
Cybersecurity
Zero Trust
Management
Agile
+36
Apply

Redhorse

redhorsecorp.com
redhorsecorp.com • HQ: Arlington, United States • Defense AI • National Security • Analytics & BI Consulting • IT Consulting & Digital Transformation • 201-500 employees • Est. 2008 • Trust B • Hiring 61, 4 new
HQ: Arlington, United States • Defense AI • National Security • Analytics & BI Consulting • IT Consulting & Digital Transformation • 201-500 employees • Est. 2008 • Trust B • Hiring 61, 4 new
Redhorse Corporation is a US government services contractor headquartered in Arlington, Virginia, that provides data analytics, artificial intelligence, cybersecurity, digital transformation and mission support to national security, intelligence and law enforcement agencies. Founded in 2008 by retired Marine Corps colonel David Inman and led by chief executive Noah Klemm, it acquired Allied Associates International and supports clients such as the Chief Digital and AI Office, the Air Force and the Department of Energy. It hires program managers, software and data engineers, cybersecurity engineers, intelligence and policy analysts, instructional designers and administrative staff.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 3 hours ago 2 months ago Long shot · 18%

Principal Software Architect

$275k – $285k per year • Lead • 12+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Architect
Databricks
DevOps
GitLab
Docker
Kubernetes
CI/CD
Management
Jira
Apply
Top 25% payVerified live · 3 hours ago 2 months ago Long shot · 20%

Senior Software Architect

$240k – $270k per year • Staff+ • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Architect
Databricks
DevOps
GitLab
GCP
Azure
AWS
Management
Jira
Agile
Apply
Top 25% payVerified live · 3 hours ago 2 months ago Long shot · 17%

Subject Matter Expert (SME) - Software Systems Engineer

$240k – $260k per year • Senior • 12+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
Apply

Two Six Technologies

twosixtech.com
twosixtech.com • HQ: Arlington, United States • National Security • Intelligence • Electronic Warfare • Cyber Warfare • 1001-5000 employees • Est. 2021 • Trust B • Hiring 58
HQ: Arlington, United States • National Security • Intelligence • Electronic Warfare • Cyber Warfare • 1001-5000 employees • Est. 2021 • Trust B • Hiring 58
Two Six Technologies is an American company formed in 2021 when the private equity firm Carlyle combined the national security business of IST Research with parts of Two Six Labs. It builds cyber capabilities, electronic warfare systems, information operations tooling and research prototypes for United States defence and intelligence customers, sitting closer to research than to traditional systems integration. Headquartered in Arlington, Virginia, it employs mostly cleared engineers and researchers, and much of its work involves turning DARPA-funded research into systems operational units can actually deploy.
Jeff Gregory · Executive Officer · decision-maker
Chris Greamo · Executive Officer, Director · decision-maker
John Backus · Director
Steve Frederick · Director
Careers mailbox is known
Verified live · 4 hours ago 3 months ago Long shot · 9%

Software Engineer

$122k – $183k per year • Middle • 3+ years exp • In office (Chantilly, Herndon, United States) • TS/SCI • Middle
Assembly
C++
Python
Assembly
OllyDbg
WinDbg
DevOps
Windows
Linux
RTOS
Cybersecurity
Ghidra
IDA Pro
+2
Apply

Freedom Consulting Group

freedomconsultinggroup.com
freedomconsultinggroup.com • HQ: Columbia, United States • Data Engineering & Migration Services • Information Security • Cloud Consulting & Migration • IT Consulting & Digital Transformation • Trust B • Hiring 92, 2 new
HQ: Columbia, United States • Data Engineering & Migration Services • Information Security • Cloud Consulting & Migration • IT Consulting & Digital Transformation • Trust B • Hiring 92, 2 new
Freedom Consulting Group is an American technology services company that works almost entirely for United States intelligence and defence customers. Its engineers build and operate cloud infrastructure, data platforms, software and cybersecurity systems inside classified environments, with a particular concentration in Amazon Web Services work for the intelligence community. Headquartered in Columbia, Maryland with offices in northern Virginia, it employs cleared staff almost exclusively, which is both the barrier to entry in its market and the constraint on how quickly it can grow.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago Visa sponsor 3 months ago Fading · 41%

Software Engineer 740

≈ $152k – $326k per year (Estimated) • In office (Chantilly, Columbia, United States) • Bachelor's Degree • English • Chinese • Spanish • Arabic
Agile
Apply
Verified live · 1 hour ago Visa sponsor 5 months ago Long shot · 16%

Applications Developer 649

≈ $134k – $297k per year (Estimated) • In office (Chantilly, Columbia, United States) • Bachelor's Degree • English • Chinese • Spanish • Arabic
Bash
Go
Node JS
JavaScript
SQL
Python
Ruby
TypeScript
Java
Python
pySpark
Java
Spring Boot
Ruby
Ruby on Rails
Node JS
Electron
Databases
Oracle
DynamoDB
ElasticSearch
Amazon Aurora
MySQL
PostgreSQL
AI/ML
NLP
NER
Spark
Frontend
Vue.js
Bootstrap
Material UI
Angular
React.js
Mobile
React Native
MVC
DevOps
Amazon EKS
AWS Lambda
Amazon EC2
Amazon CloudWatch
API Gateway
GitLab
Amazon S3
Ansible
Jenkins
GitHub
Terraform
Rest API
Windows
Git
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
Cybersecurity
Nessus
Analytics
Apache NiFi
Tableau
ETL/ELT
Management
Confluence
Jira
Scrum
Agile
+49
Apply
Machines can read this selection · checked 18:12 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.