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4,135 senior software engineer jobs at 852 companies in Chantilly, VA

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Senior Software Engineer
Arlington or San Diego or Woburn
$139k-$180k/yr HybridFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
5+ YOESenior software engineer with strong C++, Python/MATLAB, RT real-time systems, security clearance eligibility.
C++, Python, MATLAB, CI/CD, Windows, Linux
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Software Engineer, Senior
Fort Meade, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
14+ YOESenior full-stack developer with experience in C++, JavaScript, and Python; TS/SCI clearance with polygraph; 14+ years of software engineering experience or 18+ years in lieu of degree.
C++, JavaScript, Python
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3mo
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Senior Software Engineer, Growth
Boston, Massachusetts, United States
$148k-$222k/yr OnsiteFull Time
Klaviyo
KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.
Senior software engineer with full-stack experience, focus on onboarding and user experience, data-driven, AI-aware, leadership and mentoring responsibilities.
HTML, TypeScript, JavaScript, React, Python, Django, MySQL, Cassandra, RabbitMQ, Redis, AWS, Terraform, Ansible, Packer
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Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
Expedition Technology
Expedition Technology: Delivering advanced machine learning and signal processing for defense.
8+ YOE8+ years backend software engineering; cloud deployments in cleared environments; Top Secret/SCI clearance; AWS expertise; DevOps; containerization; CI/CD; CloudFormation.
AWS, Docker, Kubernetes, CloudFormation, Lambda, ECS Fargate
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$189k-$243k/yr OnsiteFull Time
Intelliforce
Intelliforce: Provides engineering and technical solutions for the intelligence community.
8+ YOETop Secret clearance with Full Scope Polygraph; US citizen; 8+ years software engineering; BS or higher in Computer Engineering or Computer Science; 3 years in SIGINT/IA/IT domains; strong Java/Spring, REST, SQL, Linux, Agile.
Java, Spring, Spring Boot, REST, PostgreSQL, SQL, Linux, CI/CD, Agile, Jira, Redmine, Docker, Kubernetes
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Senior Software Engineer
Austin or New York or Washington or United States
OnsiteFull Time
Sand Technologies
Sand Technologies: Develops industrial AI and digital twin solutions for enterprise operations.
5+ YOE5+ years in software engineering; CS/SE degree; backend (Django/Node), frontend (React/JS); cloud infra; APIs; data systems; 50-75% travel; not remote.
React, JavaScript, Django, Node.js, SQL, CI/CD, AWS, Azure, GCP
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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
8+ YOEBachelor's degree, 8+ years software engineering; 3+ years in SIGINT/IA/IT; TS/SCI with polygraph clearance; Java middleware experience; JMS knowledge; data processing; CEP and stream processing; Redis; Linux.
Java, JMS, Apache Camel, CEP, STORM, Redis, Linux
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Senior Software Engineer (Leadership) 2026-0138
Chantilly, Virginia, United States
OnsiteFull Time
Acclaim Technical Services
Acclaim Technical Services: Provides language and intelligence services to U.S. federal agencies.
10+ YOE4+ MgmtSenior software engineer with leadership experience; TS/SCI clearance with polygraph; 10+ years in software/data/platform engineering; 4+ years leading a major technical service area; strong admin/control-plane design.
Java, Linux, Vue.js, Consul, Nomad, Vault
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1mo
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Software Engineer, Senior
Fort Meade, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOESenior back-end software engineer with 5+ years in software development; experience with Java and Springboot, Elastic, Agile methodologies, TS/SCI with polygraph required; Bachelor's in Computer Science preferred (14+ years experience alternative).
Elastc, Java, Springboot, JavaScript, SQL, Python, Node.js, Groovy, Scala, NiagraFiles (NiFi), Spring Cloud, Spring Core, Spring Data, CI/CD, Linux
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Senior AWS Software Engineer (Partial Telework)
Annapolis Junction, Maryland, United States
$180k-$260k/yr HybridFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
14+ YOESenior AWS software engineer with TS/SCI w/ polygraph, 14+ years of software engineering, BS in CS or related, US citizenship.
AWS
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Senior Software Engineer
Washington or Boston
$129k-$194k/yr OnsiteFull Time
Recorded Future
Recorded Future: Provides AI-driven threat intelligence to protect organizations from cyberattacks.
Strong Python, distributed systems, cloud platforms, AI/ML, LLMs, autonomous agents, senior IC.
Python, AWS, GCP, Azure, Jira, Git, LLMs, AI agent tooling
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4mo
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Senior Software Developer
Tysons, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
10+ YOEBachelor’s degree in Computer Science, Computer Information Systems, Computer Engineering, or related field; 10+ years of software development; Linux, AWS, Java, PHP, HTML/CSS/JavaScript, MySQL; IAM/Security tooling.
Linux, AWS, Apache Web Server, Apache Tomcat, Java, PHP, HTML, CSS, JavaScript, MySQL, VS Code, Bash
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2mo
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Senior Software Engineer (Scala)
Washington, District of Columbia, United States
$175k-$195k/yr HybridFull Time
Quantifind
Quantifind: AI-driven platform for financial risk and fraud detection.
5+ YOE5+ years as a software engineer; expertise in Scala/Java, distributed systems, Spark; experience with Kubernetes, REST microservices, and data pipelines.
Scala, Java, Apache Spark, HDFS, Iceberg, Airflow, MapReduce, Kubernetes, REST, PostgreSQL, Memcached, Redis
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Senior Software Engineer
Reston, Virginia, United States
OnsiteFull Time
NVR
NVRNYSE: NVR: Constructs residential properties and provides mortgage and settlement services.
5+ YOE5+ years in software development; Dynamics 365 CRM; .NET, C#, SQL; Azure; strong teamwork and problem-solving.
Microsoft Dynamics 365 CRM, NET, C#, SQL, Azure, REST APIs
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1w
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Senior Software Engineer
Hanover, Maryland, United States
$90k-$140k/yr OnsiteFull Time
Systek
Systek: Provides systems engineering and technical assistance for defense agencies.
10+ YOE10 years of DoD software engineering experience (substitutions allowed), active DoD Top Secret/SCI clearance required, Master's preferred in CS/IS/Software Engineering, strong software design, development, and testing skills.
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1mo
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Senior Software Engineer
Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$130k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOE3+ years software development; strong Python; Azure cloud; on-call production support; must be a U.S. Person; ability to obtain security clearance.
Python, Azure, Git, CI/CD, Docker, Kubernetes, TypeScript, Java, Bash, Rust, Node.js
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2mo
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Senior Software Engineer
Jessup, Maryland, United States
$125k-$270k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
8+ YOEBachelor's degree or equivalent; 8-12 years in application software; TS/SCI with Polygraph; strong Java backend; React; RESTful APIs; Docker/Podman; Kubernetes; microservices.
Docker, Podman, Kubernetes, Java, React, RESTful APIs, MongoDB, ArangoDB, Redis, PostgreSQL, AWS
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1mo
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Senior Software Engineer
Quantico, Virginia, United States
OnsiteFull Time
Redhorse
Redhorse: Delivering data insights and technology solutions to government agencies.
6+ YOEActive TS/SCI clearance; BS in CS/CE/SE/EE/Info Security; 6+ years software/ops; 4+ years in CNO; 2+ years automation (Python/Bash/PowerShell/Ansible); Linux admin; Git/Jira/GitLab; Docker/Podman; leadership; able to work independently.
Python, Bash, PowerShell, Ansible, Linux (Ubuntu, Rocky Linux), Git, Jira, GitLab, Docker, Podman, Docker Compose
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1w
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Senior Software Engineer
Washington, District of Columbia, United States
$68-$113/hr OnsiteFull Time
PEMCCO
PEMCCO: Provides IT and engineering services for government transportation systems.
10+ YOEMaster's degree in a technical discipline, 10+ years software engineering experience, advanced software architecture knowledge, lifecycle and testing experience, ability to obtain security clearance.
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3mo
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Senior Software Engineer (Auth & Identity)
Vienna or Remote
$100k-$155k/yr HybridFull Time
Clear Fracture
Clear Fracture: Automating data orchestration with an agentic AI engineering platform.
4+ YOEBackend-focused senior engineer for authorization and identity systems; 4+ years in auth, RBAC/ABAC, OAuth/OIDC/SAML; multi-tenant, distributed systems; cloud experience.
Python, Go, Java, OAuth 2.0, OIDC, SAML, AWS, Azure, GCP
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