16,738 senior developer jobs at 2,782 companies in Greenbelt, MD
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Senior Web Developer
Arlington, Virginia, United States
$140k/yr OnsiteFull Time
Senior web developer skilled in .NET, Vue3, JavaScript, HTML/CSS, SQL/Oracle, Git; full-stack SPA development; experience across requirements, design, implementation, operations, and maintenance.
.NET, Vue.js, JavaScript, HTML, CSS, Bootstrap, SQL, Oracle, Git, AWS, React, Angular
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
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Senior Software Developer - IT
Silver Spring, Maryland, United States
$83k-$97k/yr OnsiteFull Time
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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Senior React Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
12+ YOESenior full-stack developer proficient in React and Java/Spring Boot; experience migrating legacy systems; ability to work with Camunda and Pega workflows; strong REST APIs and Oracle/SQL skills.
React, Java, Spring Boot, Camunda, Pega, Oracle, SQL, REST API
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Senior Vice President, Developer Enablement
O'Fallon or Arlington or New York City or Purchase
OnsiteFull Time
Senior leadership role overseeing developer enablement and related strategy.
3mo
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Senior Software Engineer
Washington or Boston
$129k-$194k/yr OnsiteFull Time
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 Developer
Washington, District of Columbia, United States
$155k-$165k/yr OnsiteFull Time
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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HP100 Senior Scientific Software Developer
Greenbelt, Maryland, United States
OnsiteFull Time
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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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
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 iOS Engineer
McLean, Virginia, United States
OnsiteFull Time
5+ YOE5+ years mobile development; Swift and SwiftUI expertise; modular, testable iOS architecture; mentoring; strong communication.
Swift, SwiftUI
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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
1mo
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Software Developer, Senior
Potomac or United States
OnsiteFull Time
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.
2mo
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Senior Engineer – Middleware
Bethesda, Maryland, United States
$126k-$215k/yr HybridFull Time
3+ YOEBachelor's degree in Computer Science; 3+ years as a Software Engineer; 3+ years in networking; 2+ years with Red Hat, JBOSS, MQ, Tomcat or Apache; Linux and Windows Server experience.
Red Hat, JBoss, MQ, Tomcat, Apache Web Server, Linux, Windows Server
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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
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Senior Software Engineer (JAVA)
Fort Meade, Maryland, United States
OnsiteFull Time
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
3mo
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Software Developer, Senior
Fort Meade, Maryland, United States
$87k-$198k/yr OnsiteFull Time
14+ YOESenior full-stack software developer with Java/JavaScript in Linux; experience across back-end/front-end, agile development; TS/SCI with polygraph; bachelor's in CS with 14+ years experience or 18+ years without degree.
Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Python, Lua, NGINX
3mo
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Senior Infrastructure Engineer
College Park, Maryland, United States
$135k-$216k/yr OnsiteFull Time
12+ YOESenior-level infrastructure engineer with 12+ years in system engineering/prototype development; active TS/SCI w/ Polygraph; multiple technical certs; on-site near College Park, MD.
3mo
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Senior Software Developer
Annapolis Junction, Maryland, United States
$203k-$260k/yr OnsiteFull Time
12+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; 12 years of relevant experience with a technical degree; alternative 4 extra years experience in lieu of degree; experience across UI, backend, DevOps; React/Vue/Angular; Python scripting; REST with Spring Boot and Python; Postgres/SQLite; GitLab CI/CD.
React, Vue, Angular, Python, Spring Boot, REST, Postgres, SQLite, GitLab CI/CD
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Senior Software Developer
Washington, District of Columbia, United States
OnsiteFull Time
10+ YOEMinimum 10 years designing systems, debugging, code reviews, and architectural decisions; proficient in Angular, C#, .NET, SQL, HTML, Bootstrap, CSS, JavaScript, and Less; Bachelor's in Computer Science.
Angular, C#, .NET, SQL, HTML, Bootstrap, CSS, JavaScript, Less
3mo
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Senior Front End Developer
Vienna, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS/Math/GIS or STEM; 5+ years web front-end development; HTML5, CSS3, TypeScript, JavaScript; React/Angular/Vue; scalable, high-availability systems; TS/SCI with SCI eligibility.
HTML5, CSS3, TypeScript, JavaScript, React, Angular, Vue, Docker, Kubernetes, CI/CD, Git, Esri GIS, Azure, AWS, GCP
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