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4,373 senior software developer jobs at 891 companies in Ashburn, VA

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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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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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2mo
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Senior Software Developer - IT
Silver Spring, Maryland, United States
$83k-$97k/yr OnsiteFull Time
General Conference of Seventh-day Adventists
General Conference of Seventh-day Adventists: World headquarters managing the Seventh-day Adventist Church administration.
Senior Java developer with Spring, REST, open-source tech, SDLC, and architectural leadership; mentoring and collaboration required.
Java, Spring, REST, Git, Open Source
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2mo
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Senior Software Developer
Washington, District of Columbia, United States
$155k-$165k/yr OnsiteFull Time
Municipal Securities Rulemaking Board
Municipal Securities Rulemaking Board: Regulates the municipal securities market to ensure market integrity.
7+ YOE7+ years software development; frontend in JavaScript/React/TypeScript; Python backend; AWS (Lambda, API Gateway, AppSync, DynamoDB, RDS, CloudFormation); REST/GraphQL APIs; CI/CD; SQL; testing.
AWS, Lambda, API Gateway, AppSync, DynamoDB, RDS, CloudFormation, REST, GraphQL, SQL, CI/CD, Git
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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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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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1mo
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Software Developer, Senior
Potomac or United States
OnsiteFull Time
Kepora
Kepora: A technology developing software solutions for government and commercial customers.
5+ YOEU.S. citizenship and active TS/SCI clearance with full scope polygraph required; senior-level software development experience, agile development, system modernization, mentoring and possible team supervision.
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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.
7+ YOESeven years in software development; two years in SIGINT; TS/SCI with poly; front-end web development with JavaScript/React; Hadoop/HDFS; distributed storage; Windows/Linux; ability to guide juniors.
JavaScript, React, Hadoop, HDFS, C, C++, Linux, Windows, SOA, Web Services
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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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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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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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2mo
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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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Senior Software Engineer (JAVA)
Fort Meade, Maryland, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: N/A
15+ YOE15+ years in software development with JAVA; Bachelor's in CS or related; Spring/Hibernate; Angular; strong OO design; able to work independently.
Java, Spring, Hibernate, Angular
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3mo
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Senior Software Developer
Rockville or Tysons Corner
$113k-$188k/yr HybridFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
6+ YOEMinimum 6 years full-stack development (Python and React); 3+ years databases; Docker; AWS; REST/JSON; CI/CD; mentoring.
React, TypeScript/JavaScript, Python, Docker, AWS, GitHub Actions
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3mo
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Senior Software Engineer-iOS
Bethesda or United States
$110k-$199k/yr HybridFull Time
Marriott International
Marriott InternationalNASDAQ: MAR: Operates and franchises a global network of hotels and resorts.
6+ YOE6+ years software dev; 5+ years iOS native app development; Swift/SwiftUI; AI-assisted tooling; strong comms; undergraduate degree or equivalent
Swift, SwiftUI, Combine, XCTest, XCUITest, CI/CD, Git, JIRA, Jenkins, Dynatrace
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2mo
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HP100 Senior Scientific Software Developer
Greenbelt, Maryland, United States
OnsiteFull Time
ADNET Systems
ADNET Systems: Provider of information systems and scientific research services to government agencies.
10+ YOESenior software developer with 10 years of scientific programming; Linux; languages: IDL, HTML, Fortran, C, Java, JavaScript, Python; able to obtain Tier 1 background investigation; US citizenship or permanent residency.
IDL, Fortran, C, Java, JavaScript, Python, HTML, Linux, Git
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2mo
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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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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
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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3mo
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Senior Software Engineer
Columbia or Minneapolis or Charlotte
$98k-$146k/yr HybridFull Time
Computershare
ComputershareASX: CPU: Global provider of financial administration and shareholder management services.
5+ YOE5+ years web development; React; Java; Spring; SQL; REST/SOAP; UI/UX; Agile; cloud platforms
React, Java, Spring, JSP, Hibernate, SQL, Oracle, SQL Server, REST, SOAP, OpenShift, Azure
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