2,231 senior developer jobs at 494 companies in Hagerstown, MD
3mo
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Application Developer Senior
Germantown or Chicago or Nashville or Washington
$91k-$185k/yr HybridFull Time
10+ YOESenior applications developer with Atlassian/Jira, Java/JavaScript, Azure, SQL; US citizen; willing to travel up to 25%; bachelor’s in CS or equivalent experience.
Jira, Confluence, Java, JavaScript, Azure, .NET, WebSphere, SQL, Power Platform, ServiceNow, IIS, Azure DevOps
2mo
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Senior Cloud Platform Engineer
Sterling, Virginia, United States
HybridFull Time
6+ YOESenior cloud platform engineer with 6+ years IT/DevOps, strong AWS/Azure, hybrid cloud, automation, security, and leadership experience.
AWS, Azure, Ansible, Terraform, Packer, GitLab CI/CD, AWS CLI, Docker, Kubernetes, CI/CD pipelines
2mo
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Senior Atlassian Developer / Admin
Germantown, Maryland, United States
OnsiteFull Time
10+ YOE10+ years in programming/web development; Jira/Confluence, Atlassian Cloud, Java/HTML/JavaScript; Identity management; mentoring; Azure; WebSphere.
Jira, Confluence Data Center, Atlassian Cloud, Java, HTML, JavaScript, JQL, Eclipse, Azure DevOps, Visual Studio, Azure App Service, Azure SQL Managed Instance
3mo
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Senior Software Engineer
Herndon or Columbia
HybridFull Time
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
3mo
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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
1w
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Senior Frontend Developer
Ashburn, Virginia, United States
$115k-$190k/yr HybridFull Time
7+ YOEExpert Java (Java 8+) developer with Spring/Microservices, ORM/SQL, web/app server and build-tool experience, CI/CD, agile tools (Jira/Confluence), and active US Top Secret suitability; mentor junior developers.
Java, Java 8, Spring, Spring Boot, Hibernate, Oracle, MySQL, Postgres, SQL, Tomcat, WildFly, WebLogic, Maven, Gradle, Bamboo, BitBucket, Git, Atlassian Jira, Confluence, Eclipse, Jupyter Notebook, Apache Zeppelin, Hadoop, Spark, Impala, Elasticsearch, Solr, AWS EC2, AWS RDS, AWS S3, Cassandra, MongoDB, DynamoDB, Jenkins, Unix, Linux, shell scripting
3w
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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
3w
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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
1w
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Software Developer, Senior
Herndon or Virginia or United States
$133k-$226k/yr OnsiteFull Time
6+ YOERequires 6+ years of software development experience, a related technical bachelor's degree or equivalent, object-oriented programming, enterprise applications, databases, testing, debugging, and software lifecycle experience.
C#, .NET, Java, Kotlin, C++, PowerShell, Microsoft Windows, IIS, Jenkins, AWS, Microsoft Azure, GitHub, Jira, Confluence
1mo
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Senior Application Developer
Denver or Springfield or Sterling or St. Louis
$75k-$158k/yr OnsiteFull Time
8+ YOEBachelor's in CS or related,8+ years software development experience,expert Java and/or Python,REST APIs,databases,CI/CD,GIT,TS/SCI clearance and polygraph willingness.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS/C2S, Git, CI/CD
1mo
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React Developer Senior
Ashburn, Virginia, United States
HybridFull Time
5+ YOEBS in CS/Engineering, 5+ years software development with 5+ years React experience; proficiency in Typescript/JavaScript, HTML/CSS/SCSS, JSON, Jest/Enzyme/React Testing Library, and browser debug tools.
React, Typescript, JavaScript, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing library, Visual Studio Code, chrome devtools
1w
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Senior Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOEActive US security clearance (TS/SCI with CI polygraph), 10+ years experience (or 15+ with BS), proficiency in Java/Python/C#, RESTful APIs, containerization, databases, Agile/DevSecOps.
Java, Python, C#, RESTful APIs, RDF, OWL, SPARQL, Docker, Kubernetes, OpenShift, CI/CD, Git
1mo
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React Developer Senior
Ashburn, Virginia, United States
$120k-$160k/yr HybridFull Time
5+ YOE5+ years React and UI development experience, BS in CS/Engineering, TypeScript/JavaScript, HTML4/5, CSS/SCSS, Jest/Enzyme/React Testing Library, experience with complex backend APIs, strong communication and critical thinking.
React, Microsoft Visual Studio Code, TypeScript, JavaScript, MVC, MVVM, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing Library, Chrome DevTools
2mo
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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
2mo
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Senior Software Developer
Herndon, Virginia, United States
OnsiteFull Time
6+ YOETop Secret/SCI with Poly, 6+ years in software development, BS in CS/Info Security or related field, proficient in .NET/C#/WPF/XAML/C++, ASP.NET Web API, HTML/CSS, Python, PowerShell; Windows apps/services/web services on IIS; AWS/Azure; GitHub/Jira/Jenkins/Confluence; STS/DataHound; PowerBI; Windows admin/troubleshooting; SDLC and IIS deployments.
.NET, C#, WPF/XAML, C++, ASP.NET Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service, DataHound, PowerBI
3mo
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Senior Database Developer
Herndon, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
5+ YOE5+ years experience; PostgreSQL/SQL; AWS; APIs; data management; Agile; TS/SCI with Poly.
AWS, PostgreSQL, SQL, Power BI, Tableau, Jira, Docker, Kubernetes, Terraform, CloudFormation
5d
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Senior Software Engineer
Herndon, Virginia, United States
$125k-$190k/yr OnsiteFull Time
4+ YOEAdvanced degree with 4+ years or bachelor's degree with 6+ years; 5–7 years backend experience, API and data pipeline development, Golang fluency, and active TS/SCI clearance.
Golang, Linux, git, Docker, AWS S3, AWS EC2
3mo
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Senior DevOps Cloud Engineer
Bethesda, Maryland, United States
$113k-$188k/yr OnsiteFull Time
10+ YOESenior DevOps Cloud Engineer with 10+ years IT experience, AWS & GCP, CI/CD, automation (Ansible, Python), IaC, AI/ML platform support, able to obtain Public Trust.
AWS, Google Cloud Platform, Ansible, Python, Bash, Jenkins, GitLab CI, GitHub Actions, Terraform, CloudFormation, CDK, GCP Deployment Manager, Docker, Kubernetes, Git
1mo
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Senior Software Engineer
Sterling, Virginia, United States
$185k-$225k/yr OnsiteFull Time
Design and develop front-end applications and back-end microservices in an agile environment; experience with cloud, containers, Kubernetes, REST, microservices, CI/CD; mentor junior teammates; active TS/SCI required.
REST, microservices, AWS, GCP, Azure, Kubernetes, containers, HTML5, CSS, SASS, Less, Stylus, Browserify, WebPack, Closure, Angular, Ember, React, Redux, Reactive, VueJS, Node.js, NPM, Linux, Subversion, Git, JIRA, Confluence, WebSockets, Svelte, Cesium, OpenLayers, Spring, Docker
1mo
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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
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