242 junior software engineer jobs at 129 companies in Aberdeen Proving Ground, MD

4d
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Junior Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
Bachelor's degree in Computer Science or related discipline required, or four years of software engineering experience substitution. No demonstrated experience required. Active Top Secret/SCI with Full Scope Polygraph required.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, VS Code, Windows, Unix, Linux, macOS, Atlassian Suite, JIRA, Confluence, GitHub, ServiceNow, Spring, Angular, Bootstrap, Oracle, MySQL, MongoDB, Maven, Jenkins, Docker, Kubernetes, Git, SVN, CVS, AWS, Azure, Google Cloud
2d
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Software Developer - iOS - Junior
Columbia, Maryland, United States
$144k-$147k/yr OnsiteFull Time
ACKtive Engineering Solutions
ACKtive Engineering Solutions: Provides specialized engineering and consulting services for government clients.
1+ YOERequires US citizenship, active TS/SCI clearance, and 1+ year of iOS software engineering experience. Native iOS, embedded development, vulnerability research, and reverse-engineering tool experience required.
iOS, IDA Pro, Ghidra
1mo
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Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
U.S. citizen with active clearance and polygraph required. Bachelor's in computer science, engineering, or related field required. Proficiency in Java, Python, PySpark, and experience with big-data frameworks (Hadoop, MapReduce, Pig), ETL, JSON/BSON.
Java, Python, PySpark, Pig, MapReduce, JSON, BSON, Hadoop, ETL
1mo
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Junior Software Data Engineer
Fort Meade or Jessup
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
0+ YOETS/SCI with polygraph required. Bachelor's in CS/Engineering/Math + 2 years software engineering OR Master's/PhD with 0 years OR 6 years experience with HS. Experience with prompt engineering and retrieval-augmented generation (RAG).
Prompt Engineering, retrieval-augmented generation (RAG), AI/ML frameworks, LLMs
1w
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Junior Software Engineer
Laurel, Maryland, United States
$85k-$195k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
3+ YOERequires a bachelor's degree in a relevant technical field, 3 years of software development experience, strong communication skills, occasional travel, U.S. citizenship, and eligibility for Secret clearance.
object-oriented programming
2mo
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Junior Software Developer
Annapolis Junction or Columbia
$130k-$150k/yr OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
3+ YOEActive security clearance with polygraph; bachelor\u0002s in a technical discipline (or 7 years' experience) with 3 years software development; front-end experience with JavaScript, Node.js, AngularJS/Angular, Vue.js; documentation experience.
JavaScript, Node.js, AngularJS, Angular, Vue.js, Elastic Search, MongoDB, AWS, Git, EngineX
1w
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Junior Software Engineer
Jessup, Maryland, United States
$84k-$180k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
0+ YOEBS in CS/CE/IT required,0–4 years experience,proficiency in C,C++,Python,experience with Artifactory,Docker,Terraform,Ansible,Packer,Jenkins/Bamboo,understanding of hardware,active TS/SCI with polygraph required.
C, C++, Python, C#, Java, Artifactory, Docker, Terraform, Ansible, Packer, Jenkins, Bamboo
1w
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Junior 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.
3+ YOETS/SCI with polygraph, 3 years experience (or BS in technical discipline or 4 additional years), proficiency in Python/OO, familiarity with LLMs, UI/UX, cloud, containers, Kubernetes, CI/CD, and SRE practices.
Python, LLMs, OpenWebUI, AWS, Kubernetes, Helm, Argo CD, Docker
1mo
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Junior Software Engineer (Frontend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
3+ YOEActive TS/SCI with Poly clearance; 3+ years software engineering with a Bachelor’s in a technical discipline (or 7+ years experience); strong JavaScript/TypeScript, HTML, CSS; React/Angular; relational DBs; Docker, Git, Linux.
JavaScript, TypeScript, HTML, CSS, React, Angular, PostgreSQL, SQLite, MySQL, Docker, Git, Linux, FastAPI, Spring Boot, Vue.js, Java, Python, Bash, PowerShell, Elasticsearch, MongoDB, GitLab CI, Kubernetes, Ansible, AWS
1mo
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Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
3+ YOE3+ years software engineering experience with strong Java and Spring Boot skills, RESTful services, MongoDB/NoSQL experience, automated testing, and TS/SCI with poly clearance required.
Java, Spring Boot, MongoDB, Vue.js, Apache Kafka, Linux
1mo
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Junior Software Data Engineer
Fort Meade, Maryland, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
2+ YOEBachelor's in engineering/CS/math + 2 years software engineering (or Master's/PhD with 0 years, or 6 years experience with HS diploma); experience with prompt engineering and RAG; active TS/SCI with polygraph required.
Prompt Engineering, retrieval-augmented generation (RAG), LLMs
1mo
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Junior Software Engineer Level 0 - Polygraph Required Annapolis Junction
Annapolis Junction, Maryland, United States
HybridFull Time
Anthem Engineering
Anthem Engineering: Developing software and system solutions for government intelligence missions.
Entry-level software engineer with experience in one or more languages (Java, JavaScript, TypeScript, Python), familiarity with Git, software development principles, and strong communication and problem-solving skills.
Java, JavaScript, TypeScript, Python, Git
1mo
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Software Engineer I
Hartford or Atlanta or St. Paul or Hunt Valley
$99k-$163k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
2+ YOEBachelor's in computer science or related STEM (or equivalent), 2+ years software engineering experience, strong OOP and SDLC knowledge, problem-solving, collaboration, and eagerness to learn Salesforce.
Salesforce
1d
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Embedded Software Engineer
Baltimore, Maryland, United States
$88k-$131k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBachelor’s degree in computer science, engineering, or related STEM field; 2+ years in C/C++, real-time embedded software, and full software lifecycle; U.S. citizenship; Secret clearance and SAP eligibility.
C, C++, VxWorks, Linux, Microsoft Visual Studio, MATLAB, Coverity, SonarQube, Clockwork, Atlassian, Kubernetes, Model Based Engineering, DevSecOps, Agile
1mo
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Software Engineer, Level 0 (AE26061234C)
Annapolis Junction, Maryland, United States
$87k-$93k/yr OnsiteFull Time
Advantage Engineering & IT Solutions
Advantage Engineering & IT Solutions: Provides technical engineering and IT services for government agencies.
0+ YOEBachelor's in CS/Software Engineering (or 4 years equivalent), Top Secret/SCI with polygraph required, no prior professional software engineering experience required; on-site SCIF work.
1mo
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Junior Software Developer (Active TS/SCI + Poly)
Fort Meade, Maryland, United States
OnsiteFull Time
Aperio Global
Aperio Global: Develops cybersecurity, AI, and intelligence software for government missions.
2+ YOEBachelor's degree (or equivalent) + 2+ years experience; experience with Java, Python, PySpark, Hadoop, MapReduce, ETL, Pig, JSON/BSON; strong problem-solving and collaboration; active TS/SCI with Polygraph required.
Java, Python, PySpark, Hadoop, MapReduce, ETL frameworks, Pig, JSON, BSON
1mo
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Software Engineer Level 0
Fort Meade, Maryland, United States
$50k-$120k/yr OnsiteFull Time
T-Rex Solutions
T-Rex Solutions: IT modernization and cybersecurity for the federal government.
0+ YOETS/SCI with full-scope polygraph required. Bachelor's degree in CS/Software Engineering or related (or 4 years' experience). Java and Git familiarity; microservices, databases, cloud, containers preferred.
Java, Git, GDAL, GeoTools, AWS, Docker, Kubernetes
2mo
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Jr. Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
TS/SCI with poly required. Proficiency in Python and C++; experience with Java, Mongo, Kubernetes, and JS desirable. Ability to analyze requirements, debug software, and develop scalable mission systems.
Python, C++, Java, Mongo, Kubernetes, JS
2mo
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Software Engineer - Junior - FULLY CLEARED with POLYGRAPH REQUIRED
Fort Meade or Maryland or Virginia or Colorado or Texas or Utah or Florida or Hawaii
$100k-$125k/yr OnsiteFull Time
Constellation Technologies
Constellation Technologies: Provides technical services and cyber solutions for government agencies.
2+ YOEUS citizen with active TS/SCI clearance and polygraph; 2+ years relevant experience; Bachelor’s in computer science or related; proficiency in Java and Python; experience with PySpark, Hadoop ecosystem, MapReduce, JSON/BSON, JavaScript, Jupyter Notebooks, NiFi, Elasticsearch, and MongoDB.
Python, Java, C++, JavaScript, PySpark, Spark analytics, Jupyter Notebooks, GHOSTMACHINE, MapReduce, ETL, Pig, JSON, BSON, Hadoop, NiFi, Elasticsearch, MongoDB, Query Time Analytics, Red Hat Enterprise Linux, AWS
1mo
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Software Developer
Annapolis Junction, Maryland, United States
$64k-$128k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
1+ YOEBachelor's in CS/CE or related, 1+ years programming experience in C/C++ and Python, strong OS and network internals knowledge, Top Secret/SCI + Full Scope Poly, familiarity with binary analysis tools and software security.
Python, C, C++, Java, Windows, Linux, IDA Pro, Ghidra, ASLR, DEP, ARM, RISC, PPC