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2,004 mid level software engineer jobs at 574 companies in Vienna, VA

1mo
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Mid-Level Software Engineer
Fort Meade, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
12+ YOEMid-level software engineer with strong Python, production-scale systems, and AI workflow experience.
Python, Apache Kafka, Elasticsearch, PydanticAI, Langgraph, DeepAgents
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3mo
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Mid-Level Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Redhorse
Redhorse: Delivering data insights and technology solutions to government agencies.
3+ YOEMid-level software developer with 3+ years in AWS, web apps, and classified IC systems; TS/SCI with FS Poly; BS in CS/IT/IS; familiar with Agile, CI/CD, and security standards.
AWS, AngularJS, JavaScript, Java, HTML, CSS, Kubernetes, Terraform, Docker, Confluence, Jira
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1mo
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Mid-Level React Developer
Annapolis Junction or Columbia
$150k-$200k/yr HybridFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
6+ YOEMid-level React/Java/Spring Boot developer with TS/SCI poly; 6+ years exp; strong React, Java, REST APIs; Camunda/Pega a plus.
React, Java, Spring Boot, Camunda, Pega, Oracle, REST, SQL
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2mo
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Mid Level Software Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
BlackSea Technologies
BlackSea Technologies: Designs and manufactures autonomous maritime vessels and defense hardware.
3+ YOE3-7 years software engineering, strong C++, distributed systems, robotics/autonomy, AI-assisted development tools; APIs and networking experience.
C++, MAVLink, Protobuf, DDS, CAN, TCP/IP, serial, OpenAI Codex, Claude Code
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Mid Level Forward Deployed Software Engineer
Arlington, Virginia, United States
RemoteFull Time
PVM
PVM: Specialized services firm implementing Palantir technology for government agencies.
3+ YOEMid-level software engineer with 3+ years of experience; Python/TypeScript/Java; Palantir Foundry experience; government/defense environment familiarity.
Palantir Foundry, Python, TypeScript, Java, Foundry Workshop, Ontology
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3w
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Software Engineer Mid Level
Annapolis Junction, Maryland, United States
$200k-$275k/yr OnsiteFull Time
Integrity Technology Consultants
Integrity Technology Consultants: Provides engineering and management consulting solutions to US national security.
7+ YOETS/SCI with Full-Scope Polygraph, ~7+ years software engineering experience, bachelor’s in computer science or related (or 4 extra years experience), strong software design and testing skills.
Apache AirFlow, Python, Apache Spark, Trino, Kubernetes
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2mo
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Mid-Level Software Engineer
Fairfax or Lexington
$90k-$180k/yr OnsiteFull Time
Riverside Research
Riverside Research: Independent non-profit performing scientific research for national security.
8+ YOESecret clearance; 8-10 years software Eng; ML/AI with Python/Java/C++; ML libraries; cloud; Agile; Git.
Python, Java, C++, TensorFlow, PyTorch, Scikit-learn, Git, AWS, Azure
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Mid-Level Software Engineer
Washington, District Of Columbia, United States
$145k-$190k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
10+ YOETop Secret/SCI clearance required; 10 years software development experience; OOP and multi-INT background; strong documentation and collaboration skills.
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2mo
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Mid-level Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
6+ YOESix+ years in software development with at least four years in Java; Oracle PL/SQL; experience with Windows, UNIX/Linux; TS/SCI with poly clearance.
Java, Oracle PL/SQL, JDBC, Linux, Camel, JMS, Hadoop, REST, SOAP, ExtJS, OSGi, Aries Blueprint, Tibco, ActiveMQ, Oracle, Accumulo, Eclipse IDE
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3mo
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Software Engineer - Mid Level
Annapolis Junction, Maryland, United States
$132k-$165k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
7+ YOEActive TS/SCI with Polygraph; Java; Agile; Jira/Confluence; AWS; Elasticsearch; Springboot; Kafka; Hibernate/JPA; development of web/mobile software; documentation.
Java, Jira, Confluence, React, CGI, Visual Basic, HTML, XML, AWS, Elasticsearch, Springboot, Kafka, Hibernate/JPA
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Mid-Level Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
Fantom Corporation
Fantom Corporation: Provides specialized IT, engineering, and cybersecurity services for federal agencies.
7+ YOERequires full MD polygraph clearance and onsite work in Hanover, MD. Bachelor's in CS (or equivalent), 7+ years software engineering experience, strong Java/Python/SQL skills, experience with large datasets and real-time systems.
Java, Python, SQL, MATLAB
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2mo
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Software Engineer (Mid-Senior level)
Baltimore, Maryland, United States
OnsiteFull Time
Davis Unlimited Information Technologies
Davis Unlimited Information Technologies: Provides IT consulting and systems engineering for government agencies.
5+ YOE5+ years in software engineering; Java; SQL; REST; AWS/GCP/Azure; Docker; IaC (Terraform/Ansible); React; strong problem-solving and teamwork.
Java, SQL, REST, AWS, Docker, Terraform, Ansible, React
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Mid-Level Software Developer
Washington, District of Columbia, United States
RemoteFull Time
Fusion Technology
Fusion Technology: Provider of IT services and solutions for government agencies.
3+ YOE3+ years software development experience; Java, Spring Boot; REST/SOAP; front-end basics; Elasticsearch/OpenSearch; Oracle SQL; Maven; Git/Bitbucket; AWS/Jenkins/Jira/containers (nice to have).
Java, Spring Boot, REST, SOAP, HTML, JSP, Servlets, Elasticsearch, OpenSearch, Oracle SQL, Maven, Git, Bitbucket, AWS, Jenkins, Jira, Docker, Kubernetes, NIEM XML
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1mo
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Mid-level Software Engineer
Dahlgren, Virginia, United States
$92k-$135k/yr OnsiteFull Time
SimVentions
SimVentions: An employee-owned technology that develops software and automated testing solutions for defense customers.
5+ YOEUS citizen with active Secret clearance, 5+ years professional software experience, Bachelor's in a STEM field required. Strong Python and C++ skills, Git/GitLab, CI/CD/DevSecOps experience, JIRA/Confluence familiarity.
Python, C++, Git, GitLab, CI/CD, DevSecOps, JIRA, Confluence, Redhat Linux, Docker, Jenkins, Rust
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1mo
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Mid-level Software Engineer
Dahlgren, Virginia, United States
$92k-$135k/yr OnsiteFull Time
SimVentions
SimVentions: Provides engineering and technology services for defense customers.
5+ YOEUS citizen with active Secret clearance or clearance-eligible, Bachelor’s in STEM, minimum 5 years software experience, proficiency in Python and C++, experience with Git/GitLab, CI/CD, Docker, Jenkins, Redhat Linux, JIRA and Confluence.
Python, C++, Git, GitLab, JIRA, Confluence, Redhat Linux, Docker, Jenkins, Rust, CI/CD, DevSecOps
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4w
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Mid-Level Software Developer
Laurel, Maryland, United States
$150k-$200k/yr OnsiteFull Time
SITEC
SITEC: Provides specialized IT and engineering services to government agencies.
6+ YOEActive TS/SCI with Polygraph; bachelor's in a technical discipline (or 10 years' experience); 6+ years software development experience; experience with JavaScript frameworks, RESTful endpoints, Linux, and MongoDB.
JavaScript, Linux, MongoDB, AWS, GitLab, GitLab runners, Docker
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2mo
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Software Engineer - Mid Level
Annapolis Junction, Maryland, United States
$105k-$185k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
7+ YOEBachelor's in engineering/CS (or 4 yrs experience), 7+ years SWE experience, active TS/SCI with polygraph, Linux development proficiency, coding in Python, C++, Java, or JavaScript required.
Linux, Python, C++, Java, JavaScript, GitLab, GitHub, Jira, Confluence, Software-Defined Radio (SDR)
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3mo
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Mid-Level Software Engineer
Columbia, Maryland, United States
$115k-$190k/yr OnsiteFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
7+ YOEActive TS/SCI with polygraph; US citizenship; 7+ years SWE experience; Bachelor in Computer Science or related field; 4 years additional SWE experience may substitute for degree; works well independently and on a team; strong communication.
Robot Framework, React, Java, C++, Python
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2mo
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Mid Level Software Engineer
Hanover, Maryland, United States
$160k-$190k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
7+ YOESeven+ years Java; Spring/Javascript; JSP/Servlet; JEE; REST; Tomcat; TS/SCI with Poly; BS CS; 7 years experience; leadership not required.
Java, Spring, JavaScript, JSP, Servlet, JEE, REST, Tomcat, Linux, Git, Subversion, SVN, Confluence, UML, Perl, Oracle, MySQL, PL/SQL
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2mo
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Mid-Level Software Engineer
Annapolis Junction, Maryland, United States
$102k-$190k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
7+ YOESeven to fourteen years SWE experience; Bachelor's in CS; Top Secret/SCI with Polygraph; strong Java and Python; SDLC with Agile; cloud and ML/AI experience preferred.
Java, Python, GitLab, Jenkins, Maven, Jira, Confluence, AWS, Azure, Google Cloud, Docker, Kubernetes, Apache Spark, Hadoop, ML/AI
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