261 junior software engineer jobs at 134 companies in Fallston, MD

2mo
Save
Mark Applied
Hide
Junior Software Engineer
Annapolis Junction, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
0+ YOEEntry-level software engineer with Python proficiency, production experience, and understanding of AI concepts and streaming data pipelines.
Python, Apache Kafka, Elasticsearch, PydanticAI, Langgraph, DeepAgents, APIs, Software development tooling
6d
Save
Mark Applied
Hide
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 in Computer Science or equivalent experience; U.S. citizenship and active Top Secret/SCI with Full Scope Polygraph; no prior experience required; strong software engineering fundamentals.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, VS Code, Windows, Unix, Linux, macOS, JIRA, Confluence, GitHub, ServiceNow, Spring, Angular, Bootstrap, Oracle, MySQL, MongoDB, Maven, Jenkins, Docker, Kubernetes, Git, SVN, CVS, AWS, Azure, Google Cloud
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Junior Software Engineer
Laurel, Maryland, United States
$85k-$120k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
Active Top Secret/SCI clearance with polygraph required; Bachelor's in a technical discipline (or 4 years experience); experience with production systems, Python, Kubernetes, AWS, CI/CD, and cloud/container concepts; strong communication skills.
AWS, Kubernetes, Python, CI/CD, Infrastructure as Code (IaC), retrieval augmented generation (RAG)
5d
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
Junior Software Engineer (Clearance Sponsorship)
Annapolis Junction, Maryland, United States
$94k-$127k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
0+ YOERequires 0+ years of related experience, application and software development skills, Java, Linux, Python, U.S. citizenship, and Top Secret SCI with polygraph clearance.
Java, Linux, Python
4w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Software Engineer II
Wilmington, Delaware, United States
OnsiteContract
CTG
CTG: Provides IT services and digital transformation solutions to businesses.
5+ YOE5+ years software development with Angular and .NET, C#, Azure, DevOps and CI/CD experience; strong SOLID and testing practices; ability to lead modernization and mentor junior developers.
Angular, .NET Framework, .NET Core, C#, Web APIs, Entity Framework Core, Microsoft SQL Server, Azure, DevOps, CI/CD, GitLab, ASP.NET Web Forms, PrimeNG, Kendo UI
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Software Engineer I
Hartford or Atlanta or Cockeysville or Saint Paul
$99k-$163k/yr OnsiteFull Time
Travelers
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
2+ YOEBachelor's in computer science or STEM (or equivalent), minimum 2 years software engineering experience, strong OOP and SDLC knowledge, problem-solving and communication skills, eagerness to learn Salesforce, authorized to work in the U.S.
Salesforce
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
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
1mo
Save
Mark Applied
Hide
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