1,469,448open jobs
87,948companies
231,463added this week
Browse all
Salary
$131k – $237k per year
Location
In office (Chantilly)
Seniority
Senior · 12+ years exp
Visa
H-1B filings in 12 months: 50 · for this role: 24 · green card filings: 24
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 8, 2026. Leidos scores A on the Alion truth index.

Overview
Company
Impact
Profile match
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.

Leidos is seeking an Expert Software Developer for a technical development program of 200+ FTE supporting the Sponsor’s Attribute/Entitlement Services within the IDAM/ICAM space. The Software Developer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer’s mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems.

Primary Responsibilities

  • List daily duties and/or specific job responsibilities.
  • Knowledge/experience with the development of Cloudformation scripts to generate network and application
  • infrastructure in a repeatable fashion
  • Ability to write custom scripts to install and configure code in EC2 instances
  • Experience with Python.
  • Develop Java and Python applications that leverage Neo4j and Elasticsearch
  • Ability to Implement NodeJS PM2 for application monitoring and resiliency
  • Utilized SAFe agile techniques to manage workload
  • Leverage Amazon Web Services
  • Experience creating RESTful API

Required Qualifications

  • Active TS/SCI with Polygraph
  • Requires a Bachelor's degree and 12+ years' experience. Additional experience in lieu of degree.
  • Must have experience with Java, Springboot, Python and the Cloud / Amazon Web Services
  • Prior experience reading and developing solutions to customer requirements
  • Knowledge of Git, Jenkins, or Rundeck

Desired Qualifications

  • Experience with Jrandle is preferred
  • Certification - Amazon Web Services (AWS)

FIP

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

October 8, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,469,448 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Similar stack
Same company
Chantilly
≈ $128k – $234k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Boston
Python
SQL
C#
C++
C#
.NET
C++
Qt
Databases
SQLite
DevOps
Rest API
Azure
CI/CD
Windows
Cybersecurity
Least Privilege
Threat Modeling
Management
Agile
Scrum
Apply
$175k – $195k per year • Equity • In office • Full-Time • 7+ years exp • San Francisco
Go
JavaScript
Databases
PostgreSQL
AI/ML
Cursor
Claude Code
OpenAI Codex
Physical AI
Frontend
React.js
DevOps
GCP
Platform Engineering
Linux
IoT
MQTT
LoRaWAN
MicroPython
Apply
≈ $171k – $314k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • New York
Python
JavaScript
TypeScript
Node JS
Databases
PostgreSQL
Redis
AI/ML
Unstructured.io
AI Agents
Voice Agents
DevOps
Rest API
Terraform
AWS
SOAP
Cybersecurity
HIPAA
Apply
≈ $174k – $318k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • New York
JavaScript
TypeScript
Node JS
Databases
PostgreSQL
Redis
AI/ML
AI Agents
NLP
Voice Agents
Frontend
Next.js
React.js
DevOps
Terraform
CI/CD
AWS
Cybersecurity
SOC 2
HIPAA
Apply
$130k – $200k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • San Francisco
Python
JavaScript
TypeScript
Node JS
AI/ML
LLM
Frontend
React.js
Mobile
React Native
Apply
≈ $48k – $109k per year (Estimated) • In office • 5+ years exp • Katowice
Python
Go
JavaScript
Java
TypeScript
C#
Node JS
AI/ML
AI Agents
LLM Guardrails
Frontend
Vue.js
Angular
React.js
DevOps
GCP
Azure
CI/CD
Git
AWS
Docker
Kubernetes
Apply
In office • 2+ years exp • Budapest
Python
JavaScript
TypeScript
Node JS
AI/ML
LangChain
LlamaIndex
LLM
OpenAI
Anthropic
Frontend
Next.js
Angular
React.js
DevOps
Azure
AWS
Apply
Hybrid
Python
JavaScript
TypeScript
Databases
MySQL
AI/ML
Model Context Protocol
Frontend
Next.js
React.js
DevOps
Rest API
Apply
≈ $26k – $74k per year (Estimated) • Hybrid • Bucharest
Python
PowerShell
Bash
AI/ML
Red Teaming
DevOps
GCP
Azure
AWS
Windows
Cybersecurity
OWASP Top 10
Apply
Hybrid • Prague
Python
Python
FastAPI
Databases
Databricks
AI/ML
LangGraph
LangChain
LlamaIndex
Embeddings
AI Agents
NLP
Langfuse
LangSmith
RAG
OpenAI
LLMOps
Structured Outputs
LLM Guardrails
DevOps
Rest API
GCP
Datadog
Azure
Git
AWS
Apply
$154k – $278k per year • In office • TS/SCI • Full-Time • 14+ years exp • Bachelor's Degree • Annapolis Junction
JavaScript
Java
TypeScript
Java
Spring Boot
Databases
PostgreSQL
Oracle
MariaDB
Frontend
Angular
DevOps
OpenShift
Helm
Podman
Rancher
GitLab CI
CI/CD
AWS
Docker
Kubernetes
Amazon EKS
Management
Confluence
Jira
Agile
Apply
$154k – $278k per year • In office • TS/SCI • Full-Time • 8+ years exp • Bachelor's Degree • Annapolis Junction
C++
DevOps
Linux
Chips/EDA
Xilinx Vivado
Apply
$131k – $237k per year • In office • TS/SCI • Full-Time • 12+ years exp • Master's Degree • Reston
Python
JavaScript
Java
PHP
TypeScript
Node JS
Apex
Java
Maven
Databases
MySQL
DynamoDB
OpenSearch
Frontend
Vue.js
Angular
React.js
Web Components
DevOps
Rest API
CloudFormation
Jenkins
Git
AWS
Docker
AWS Lambda
Linux
Management
ServiceNow
Agile
Apply
$70k – $126k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Bethesda
JavaScript
Java
Bash
Java
Gradle
Apache Tomcat
DevOps
Windows
Management
Agile
Apply
$48k – $87k per year • In office • Public Trust • Internship • Atlantic City
Python
JavaScript
C++
AI/ML
Machine Learning
Apply
≈ $171k – $313k per year (Estimated) • Equity • In office • TS/SCI • 5+ years exp • Bachelor's Degree • Chantilly
Python
JavaScript
Node JS
Databases
ElasticSearch
DevOps
Rest API
GitHub Actions
Prometheus
GitLab CI
CI/CD
Jenkins
AWS
Docker
Kubernetes
Grafana
Linux
Management
Agile
Apply
≈ $166k – $304k per year (Estimated) • Equity • In office • TS/SCI • 5+ years exp • Bachelor's Degree • Chantilly
Python
JavaScript
C++
Python
Flask
Django
Databases
Oracle
DevOps
Git
Analytics
ETL/ELT
Management
Agile
Apply
Software Engineer 3 days ago
$130k – $260k per year • In office • TS/SCI • Full-Time • Chantilly
Python
Java
Apply
$42k per year • In office • Contractor • Chantilly
Apply
≈ $20k – $37k per year (Estimated) • In office • Full-Time • Master's Degree • Chantilly
Apply
See all jobs
This is one of many
1,469,448 more open roles from verified company boards, updated every day.