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541 mid level software engineer jobs at 207 companies in Aberdeen, MD

2mo
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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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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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3mo
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Mid Software Engineer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEBachelor's in CS or related field with 5 years experience, or 8 years experience; Python, C++, Java, C#; software development lifecycle; US citizenship and SECRET clearance.
Python, C++, Java, C#, Git, CI/CD, Docker
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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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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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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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4w
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Mid-Level Software Engineer
Columbia, Maryland, United States
$180k-$225k/yr HybridFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
14+ YOEActive Top Secret (TS/SCI) clearance with polygraph, Bachelor's in a technical field (or 4 years experience substitution), 14 years software development experience, web app development, Git/GitLab, Docker, Kubernetes, CI/CD experience.
Git, GitLab, Docker, Kubernetes, Docker-compose
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1mo
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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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6d
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Software Engineer Mid Level
Fort Meade or Annapolis Junction
$170k-$200k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
14+ YOEActive security clearance with poly required; 14 years SWE experience or bachelor's (5+ yrs substitution). Must work in Annapolis Junction/Fort Meade, MD. Skills: Python, Atlassian, Git, IntelliJ/Eclipse; virtualization experience. Desired: Kotlin, Spring/Spring Boot, Kubernetes, Java, REST.
Python, Atlassian, Git, IntelliJ, Eclipse, Kotlin, Spring, Spring Boot, Kubernetes, Java, REST
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2mo
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Software Quality Engineer (Mid-Level or Senior)
Ridley Park, Pennsylvania, United States
$107k-$177k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
3+ YOEBachelor's degree in engineering/science and 3+ years in software quality; experience with SDLC, QA processes, and audits.
Git, Jira, Collaborator, Bitbucket, Beyond Compare, DevOps, SDLC, Agile, AS9115, DO-178, MIL-STD-882E, QMS
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1mo
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Mid-level Software Developer (DevOps)
Linthicum, Maryland, United States
$137k-$147k/yr OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
7+ YOEActive TS/SCI with FSP required, 7 years software development, Linux (CentOS 7/Red Hat 8) admin, Docker, Python scripting, AWS/C2S, GitLab and Ansible pipelines, NiFi; Elasticsearch preferred.
Linux, CentOS 7, Red Hat 8, Docker, Python, AWS, C2S, GitLab Pipeline, Ansible Pipeline, NiFi, Elasticsearch
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4w
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Software Engineer, Mid
McLean or Annapolis Junction
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years software development experience; 3+ years with C#, web dev (HTML, JavaScript, Angular), Git, and relational databases; Secret clearance and Bachelor’s degree required; DevOps, container, and cloud experience preferred.
C#, HTML, JavaScript, Angular, Git, SQL Server, PostgreSQL, MySQL, Docker, Podman, Azure
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3mo
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Software Engineer Level 3
Fort Meade, Maryland, United States
$225k-$240k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
12+ YOEActive TS/SCI with Polygraph; Bachelor's in Computer Science/Engineering or related field; 12+ years software engineering; strong Angular experience; complex/data-intensive/realtime app development; SDLC knowledge; system design and testing; able to work independently or in a team.
Angular
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