519 senior software engineer jobs at 155 companies in Halfway, MD
3mo
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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
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
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
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
6d
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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
11h
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Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
12+ YOERequires U.S. citizenship, active TS/SCI with CI polygraph, 12 years of experience with an advanced degree or 17 years with a bachelor's degree, and enterprise software development experience.
Java, Python, C#, RESTful APIs, RDF, OWL, SPARQL, Docker, Kubernetes, OpenShift, Agile, DevSecOps, Git, CI/CD
1mo
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Senior Software Engineer
Sterling, Virginia, United States
$113k-$238k/yr OnsiteFull Time
7+ YOETop Secret clearance required to start (TS/SCI required for continued employment), 7+ years software development, 4-year degree or equivalent, experience with cloud (AWS/GovCloud), Java/JavaScript/HTML/CSS, Python, DevOps tools, and mission-critical systems.
AWS C2E, GovCloud, Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular, Python, Nexus, Artifactory, Jenkins, Harbor, Docker, Git
1mo
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Senior Software Engineer
Rockville or Tysons
$112k-$203k/yr HybridFull Time
5+ YOEBachelor's in CS or related (or equivalent experience) with 5+ years experience, system design, OOP, cloud, data storage, performance tuning, DevOps/CI/CD, test automation, and software security.
DevOps, CI/CD
1mo
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Senior Software Engineer
Sterling, Virginia, United States
$113k-$238k/yr OnsiteFull Time
7+ YOE7+ years software development, 4-year degree or equivalent, Top Secret clearance to start (TS/SCI required later), experience with cloud (AWS C2E/GovCloud), Java/JavaScript/HTML/CSS/Groovy/Grails/Angular/Python, DevOps tools and containerization, Agile and BOE experience.
AWS C2E, GovCloud, Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular, Python, Nexus, Artifactory, Jenkins, Harbor, Docker, Git
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
1mo
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Senior Software Engineer
Germantown, Maryland, United States
$107k-$145k/yr OnsiteFull Time
5+ YOEBachelor's in engineering, 5+ years experience, fluency in C/C++, Linux and RTOS experience, multithreading and hardware interfacing skills, EM engineering tools (MATLAB/Python/Rust) familiarity, ability to lead technical groups, U.S. citizenship and ability to obtain DoD clearance.
C, C++, Linux, RTOS, MATLAB, Python, Rust
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
2w
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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
1d
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Senior Software Engineer
Ashburn, Virginia, United States
RemoteFull Time
5+ YOERequires 5+ years in full-stack engineering or related disciplines, a bachelor's or master's degree, U.S. citizenship, FEMA Public Trust suitability, and experience with modern web, cloud, DevSecOps, and accessibility practices.
PostgreSQL, Express.js, React, Node.js, Terraform, CI/CD, Git
1mo
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Software Developer Senior
Winchester, Virginia, United States
$150k-$190k/yr HybridFull Time
8+ YOEActive Top Secret/SCI eligibility, CI polygraph eligibility, minimum eight years professional experience, experience with AWS, C#, Java or Python, and designing scalable enterprise software.
AWS, C#, Java, Python
2mo
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Senior Software Developer
Herndon, Virginia, United States
OnsiteFull Time
6+ YOETop Secret/SCI with Poly required,6+ years software development,BS or equivalent,proficiency with .NET(C#,WPF/XAML,C++),ASP.NET MVC,HTML/CSS,Python,PowerShell,AWS,Azure,GitHub,Jira,Jenkins,Confluence,STS,DataHound,PowerBI,Windows administration.
.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
3w
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Senior Software Engineer - Top Secret
Rockville, Maryland, United States
$131k-$237k/yr OnsiteFull Time
12+ YOEBachelor's degree or equivalent experience,12+ years software engineering experience,active Top Secret clearance with TS/SCI eligibility,experience with backend microservices,distributed systems,APIs and Kubernetes.
Rust, Go, Python, TypeScript, Django, Kubernetes, Azure/C2S, git, svn, JIRA, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, LiteLLM, CPUs, GPUs, FPGAs
9h
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SENIOR EMBEDDED SOFTWARE ENGINEER
Baton Rouge or Frederick
OnsiteFull Time
5+ YOEBachelor's or master's degree in a related engineering or computer science field, 5+ years of aerospace or defense embedded software experience, strong C skills, U.S. citizenship, and ability to obtain a security clearance.
C, C++, Python, RTOS, Texas Instruments Code Composer Studio, Microsoft Visual Studio Code, Git, LDRA, PLM, PDM, ERP, MRP, Deltek Costpoint, Microsoft Office, Microsoft Teams, Microsoft SharePoint, DOORs, Visure, MPSoC, RFSoC
1mo
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Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
3+ YOE3+ years software engineering; experience with Rust or strong systems languages, TypeScript/React, Linux, Docker, CI/CD, scripting (Bash/Python); ability to debug across app, OS, and network layers.
Rust, C, C++, Go, TypeScript, React, Linux, Docker, GitLab CI, Jenkins, Bash, Python, Tauri, Ansible, Jetson, Orin, ARM64, AWS, S3, IAM, EC2, Conan
1d
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Software Engineer – Mid-Level & Senior-Level (2 Openings)
Washington or Gaithersburg
$199k/yr OnsiteFull Time
5+ YOETechnical bachelor's degree required. Mid-level requires 5+ years and senior level 7+ years of full-stack software engineering experience with enterprise applications, cloud computing, databases, APIs, security, and lifecycle management.
Java, .NET, Oracle, Microsoft SQL Server, APIs, AWS, Microsoft Azure, Kubernetes
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