748 senior software development engineer jobs at 201 companies in Winchester, VA
2w
Save
Mark Applied
Hide
Senior Software Development Engineer, Engagement Security
Herndon or Seattle
$168k-$227k/yr OnsiteFull Time
5+ YOE5+ years professional software development with programming, system design/architecture, mentoring/tech lead experience; experience with Linux, cloud platforms, AI/ML and on-call operations.
PyTorch, TensorFlow, Python, BERT, GPT-2, GPT-3, Linux, AWS
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Reston, Virginia, United States
OnsiteFull Time
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
1w
Save
Mark Applied
Hide
Software Development Engineer
Arlington or Herndon or Jessup
$120k-$200k/yr OnsiteFull Time
7+ YOEActive TS/SCI with Polygraph, 7+ years software development experience, Rust backend development, AWS and CDK familiarity, advanced networking, CI/CD pipeline development, and memory-optimized application experience.
Rust, AWS, CDK, CI/CD
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
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
1w
Save
Mark Applied
Hide
Software Development Engineer
Arlington or Herndon or Jessup
$120k-$200k/yr OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required, 7+ years software development, Rust experience, AWS and CDK familiarity, advanced networking, CI/CD pipeline development, and cloud-native architecture expertise.
Rust, AWS, CDK, CI/CD
2mo
Save
Mark Applied
Hide
Senior Software Engineer (Leadership) 2026-0138
Chantilly, Virginia, United States
OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Principal Software Development Engineer
Reston, Virginia, United States
$185k-$277k/yr HybridFull Time
9+ YOE9+ years in software engineering; Python/Go/Java; SDLC mastery; architecture and data modeling; security risk automation; leading roadmaps and mentoring.
Python, Go, Java, Git, APIs, Data pipelines, ETL/ELT, SRS, PoCs
1w
Save
Mark Applied
Hide
Software Development Engineer
Arlington or Herndon or Jessup
$120k-$200k/yr OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required, 7+ years software development experience, Rust and AWS experience, strong networking knowledge, CI/CD and cloud architecture skills.
Rust, AWS, CDK, CI/CD
1w
Save
Mark Applied
Hide
Software Development Engineer
Philadelphia or Reston
OnsiteFull Time
5+ YOE5+ years building and operating distributed backend systems, experience with GraphQL/REST APIs, Python/Go/Java/C++, relational or NoSQL databases, containerized deployments and CI/CD; Bachelor's preferred; must be authorized to work in the US (no sponsorship).
GraphQL, REST, PostgreSQL, Python, Go, Java, C++, Docker, Kubernetes, MLOps, CI/CD
2mo
Save
Mark Applied
Hide
Senior ServiceNow Software Development Engineer (Risk & Security)
Chantilly, Virginia, United States
$104k-$218k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance with poly, bachelor's or advanced degree, 5+ years experience, ServiceNow GlideScripting/JavaScript/Ajax, CMDB knowledge, security data integration.
GlideScripting, JavaScript, Ajax, CMDB, ServiceNow, REST, SOAP, MID Servers, Scripted REST APIs, Flow Designer, Integration Hub, ATF
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOEAbility to obtain government security clearance, 10+ years software engineering experience, mastery of modern software design and SDLC, strong troubleshooting and systems analysis skills.
CA-IDMS, Microsoft SQL Server, Oracle DBMS, C, C++, Java, Ruby on Rails, Visual Basic, SIMULA, IBM Rational Rose XDE, Apache Struts, HTML, JavaScript, LoadRunner
2mo
Save
Mark Applied
Hide
Senior Software Engineer (Herndon, VA, US, 20171)
Herndon, Virginia, United States
HybridFull Time
5+ YOESenior software engineer with 5+ years experience; proficiency in Java/C#, Docker, Kubernetes/OpenShift; API design; SQL/NoSQL; Linux; OO design; MVC/JDBC; Spring/Hibernate; strong communication.
Java, C#, Docker, Kubernetes/OpenShift, REST, gRPC, SQL, NoSQL, EF Core, Dapper, Spring, Hibernate, JDBC
1mo
Save
Mark Applied
Hide
Senior Software Developer
Herndon, Virginia, United States
HybridFull Time
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
1w
Save
Mark Applied
Hide
Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years software development experience, legacy enterprise and microservices experience, Agile, Python and Git familiarity, TS/SCI clearance with polygraph required.
Python, Java, JavaScript, React, Angular, NodeJS, AWS, Azure, Google Cloud Platform, Git
1w
Save
Mark Applied
Hide
Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years software development; 3+ years with legacy enterprise systems; experience with microservices, APIs, Git; HS diploma/GED; TS/SCI clearance with polygraph required.
Python, Java, JavaScript, React, Angular, NodeJS, Git, AWS, Azure, Google Cloud Platform
3w
Save
Mark Applied
Hide
Senior Software Engineer
El Segundo or Chantilly
$172k-$232k/yr OnsiteFull Time
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
4w
Save
Mark Applied
Hide
Software Engineer, Senior
Herndon, Virginia, United States
$165k-$220k/yr OnsiteFull Time
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
3w
Save
Mark Applied
Hide
Senior Software Engineer
El Segundo or Chantilly
$172k-$232k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Senior Software Engineer – Administrative Services Lead
Reston, Virginia, United States
HybridContract
10+ YOEBachelor's in CS/related field; 10+ years in software/platform engineering; RBAC/identity management; Linux; distributed systems; TS/SCI clearance; travel willingness.
Java, Consul, Nomad, Vault, Kubernetes, Linux
1mo
Save
Mark Applied
Hide
Senior Software Engineer- Application Development
San Diego or Reston
$138k-$187k/yr RemoteFull Time
Design and lead full-stack, cloud-native web applications; strong skills in Java/JavaScript/Python, front-end frameworks, containers, CI/CD, cloud platforms, and collaboration with clients and cross-functional teams.
HTML, CSS, JavaScript, Java, Python, Node.js, Angular, React, Docker, Kubernetes, CI/CD, Git, AWS, Microsoft Azure, Google Cloud
Explore Jobs