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1,005 senior software developer jobs at 236 companies in Winchester, VA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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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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3mo
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Senior Software Developer
Chantilly, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOETS/SCI with Polygraph; Security+ cert; 5+ years IT/Software development; JavaScript and ServiceNow expertise; Agile/Scrum; BSIT/IT field preferred; strong communication.
ServiceNow, JavaScript, REST APIs, UI Policies, UI Actions, Client Scripts, Glide, Agile/SCRUM
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3mo
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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 software engineering; Python expert; TS/SCI with CI poly; Bachelor's in CS/EE or equivalent; cloud; DevSecOps; Linux; AI/ML interest.
Python, Docker, Kubernetes, Linux, Cloud, CI/CD workflow
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2w
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Senior Software Developer
Herndon, Virginia, United States
HybridFull Time
Synertex
Synertex: Provider of intelligence support and IT services for government.
5+ YOE5+ years software development experience, bachelor's in CS or related, proficiency in object-oriented design, REST APIs, client-side development, SQL/T-SQL and SSIS; TS/SCI with CI polygraph required.
JavaScript, jQuery, Angular 4, Ajax, HTML5, XML, SQL, T-SQL, SSIS, REST
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3mo
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Senior Software Engineer
Vienna or Baltimore or Washington
HybridFull Time
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
5+ YOE5+ years with Microsoft Power Platform; active U.S. Secret clearance; Navy DoN Flankspeed experience; design, develop, and secure low-code solutions; strong stakeholder collaboration.
Power Platform, Dataverse, Power Apps, Power Automate, Power BI, Azure, SQL, SharePoint, JavaScript, TypeScript, PowerShell
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2mo
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Senior Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
12+ YOEActive TS/SCI with poly; BS + 12+ years; multiple languages (Java, Spring Boot, Angular/Typescript) and AWS; full stack development; DevOps tools knowledge; experience in EC2 and Linux command line.
Java, Spring Boot, Angular, TypeScript, AWS, Git, Jenkins, Selenium, Rundeck, RH Linux, EC2
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2w
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Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
6+ YOE6+ years software development experience, 3+ years with legacy enterprise systems, proficiency with Git and Python, experience with microservices, APIs, cloud platforms; TS/SCI with polygraph required.
Git, Python, Java, JavaScript, React, Angular, NodeJS, AWS, Azure, Google Cloud Platform
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1mo
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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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2w
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Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOE6+ years software development experience, 3+ years with legacy enterprise systems, experience with microservices, APIs, Git, and basic programming (Python); TS/SCI clearance with polygraph required; HS diploma or GED required.
Python, Java, JavaScript, React, Angular, NodeJS, Git, AWS, Azure, Google Cloud Platform
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6d
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Senior Software Developer
Frederick or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOEU.S. citizen eligible for Public Trust,8+ years software development with Java and/or NodeJS,Angular,REST API design,cloud (AWS/Azure),Git/GitHub,unit/integration testing,healthcare/EDI experience preferred,Bachelor's in CS/Engineering.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams, Electronic Data Interchange X.12 (EDI), XML, JSON
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3mo
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Senior Software Engineer (Lead) - Terminal Software
Carlsbad or Germantown
$168k-$265k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
10+ YOE1+ MgmtBachelor’s or Master’s in Computer Science or Computer Engineering; 10+ years in embedded software design and development with C/C++/Rust; 10+ years Linux in embedded env; Linux networking stack and kernel drivers; OO development; CICD/DevOps; strong analytical and communication skills; US citizenship or permanent residency.
C/C++, Rust, Linux, Kernel drivers, CI/CD, DevOps
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1w
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Senior Software Engineer
El Segundo or Chantilly
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOETop Secret/TS-SCI clearance with polygraph, Bachelor’s degree, 5+ years software development experience, strong Python and front-end (Angular/TypeScript/JavaScript) skills, experience with AWS and infrastructure tooling.
AWS, Python, Angular, Typescript, JavaScript, Docker, Kubernetes, CI/CD Pipelines
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2mo
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Senior Software Developer Engineer, AWS Compliance & Security Assurance
Herndon, Virginia, United States
$168k-$227k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOE5+ years software development, 5+ years programming, 5+ years leading design/architecture, mentoring or tech lead experience
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1w
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Software Engineer, Senior
Herndon, Virginia, United States
$165k-$220k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
9+ YOEActive Top Secret clearance, 9+ years software development (7+ with MS), expert Python, experience with scientific/sensor data processing, ML workflows, Git-based source control, and strong communication skills.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, OpenCV, SciPy, C, C++, MATLAB, Java, Rust
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2mo
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Software Developer, Senior
Herndon, Virginia, United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEU.S. person required and must be able to obtain Top Secret/SCI with polygraph. Minimum 6 years software development experience; Bachelor's in CS/Information Security or equivalent. Proficiency with .NET (C#, WPF/XAML, C++), ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS/Azure, GitHub, Jira, Jenkins, Confluence, and Microsoft PowerBI.
.NET, C#, WPF/XAML, C++, ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service (STS), DataHound, Microsoft PowerBI
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3mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Edgesource Corporation
Edgesource Corporation: Providing mission-ready national security and IT solutions.
Active TS/SCI clearance; senior software engineering experience; .NET Core; cloud-first modernization; Agile development
NET Core, C#, JavaScript, TypeScript, Angular, Python
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1w
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Senior Software Engineer
El Segundo or Chantilly
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEActive TS/SCI with polygraph required, Bachelor's degree,5+ years software development experience, proficiency with Python, front-end (Angular, Typescript, JavaScript), AWS, Docker/Kubernetes, CI/CD; strong architecture and leadership skills.
AWS, Python, Angular, Typescript, JavaScript, Docker, Kubernetes, CI/CD Pipelines
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2mo
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Senior Software Engineer, Intelligence Systems
Reston, Virginia, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Proficient in Python; strong software testing, networking knowledge, Wireshark; active secret security clearance.
Python, Wireshark, Networking, Test Automation, Firmware Utilities
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2mo
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Senior Software Engineer
Herndon or Herndon or North America
OnsiteFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
11+ YOEBachelor’s or Master’s preferred; 11+ years relevant experience; Python with 2+ years network automation; CI/CD/DevOps; Ansible/NSO; NetBox; PyATS/Jenkins; Yang; Cisco IOS/XR/NX-OS; AWS; Docker.
Python, Ansible, NSO, NetBox, PyATS, Jenkins, Yang, Cisco IOS, Cisco IOS XR, NX-OS, Junos, AWS, Docker, Podman
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2mo
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Senior Software Engineer
Herndon or Columbia
HybridFull Time
Clarity Innovations
Clarity Innovations: Provides software and data engineering for national security missions.
2+ YOETS/SCI with CI poly, BS in a technical field, strong Kubernetes, Docker, Linux, IaC (Terraform), Git, and collaboration skills.
Docker, Podman, Kubernetes, Terraform, Git, GitHub, GitLab, Linux
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