213 junior software developer jobs at 106 companies in Aberdeen, MD

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Junior Software Engineer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOE3 years software development, strong Python, production apps, AI concepts, Kafka/Elasticsearch, bachelor’s in technical field.
Python, Kafka, Elasticsearch, PydanticAI, LangGraph, DeepAgents
3mo
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Junior Software Developer
Annapolis Junction, Maryland, United States
$139k-$179k/yr OnsiteFull Time
Intelliforce
Intelliforce: Provides engineering and technical solutions for the intelligence community.
7+ YOETop Secret clearance with polygraph; US citizenship; 7 years software engineering experience; BS in CS or related field; cloud/big data exposure; experience with data/workflow systems.
Hadoop, Hive, Pig, HDFS, MapReduce, JSON, BSON, HBase, Accumulo
1mo
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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
2w
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Junior Software Developer
Annapolis Junction, Maryland, United States
$55k-$106k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
2+ YOE2+ years Python and Java development, IDA/Ghidra plugin/script experience, x86 assembly, testing with JUnit/Pytest, familiarity with LLM inference tooling (Langchain, Langchain4j), grpc, Agile experience, BS in Computer Science related field, willingness to obtain security clearance.
Python, Java, IDA, Ghidra, x86 Assembly, JUnit, Pytest, Langchain, Langchain4j, Embedding Stores, MCP Servers, gRPC
4d
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Junior Software Engineer
Hanover, Maryland, United States
$110k-$140k/yr OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
0+ YOEBachelor's in computer science or related (or 4 years experience), TS/SCI with Full Scope Polygraph, no prior software experience required; familiarity with modern languages, tools, and cloud platforms.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Microsoft 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
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
3w
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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 Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
3+ YOE3+ years software engineering with a technical Bachelor's (or 7+ years experience), strong Java and Spring Boot skills, MongoDB or similar DB experience, and automated testing experience; active TS/SCI with poly required.
Java, Spring Boot, MongoDB, Apache Kafka, Linux, Vue.js
4d
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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
2mo
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Software Engineer I
Fort Meade or Annapolis Junction
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOETS/SCI with polygraph; BS in STEM; 7+ years software engineering or 5+ years with degree; Python, JavaScript, JSON, CSS; REST services; MongoDB, Elasticsearch; Docker; GitLab, Jira; full-stack; AI-assisted development; eager junior developer
Python, JavaScript, JSON, CSS, MongoDB, Elasticsearch, Docker, GitLab, Jira, REST, FASApi, Golang, Protobuf, React, SASS/LESS, Leaflet
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
4d
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Associate Software Developer
West Chester, Pennsylvania, United States
HybridFull Time
Venerable
Venerable: Manages and optimizes legacy variable annuity business blocks.
1+ YOE1+ years professional experience in AI/ML and micro-service systems; proficiency with AWS services, Python, C#, ML libraries, and enterprise software development practices.
SageMaker, Lambda, EC2, S3, EFS, SNS, SQS, EventBridge, Kinesis, Aurora, DynamoDB, RDS Proxy, Glue, Athena, Redshift, AWS Step Functions, AWS CodePipeline, Python, TensorFlow, PyTorch, scikit-learn, C#, PowerShell, SQL, JavaScript, UML, Docker, Git, GitHub, Jenkins, Bamboo, TeamCity, SpecFlow, Cucumber, Protobufs, Thrift, Avro, JSON, ODBC, Kafka, Angular, React
4d
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Jr. Software Engineer
Annapolis Junction, Maryland, United States
$90k-$120k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
0+ YOE0-2 years experience with at least one programming language; bachelor’s degree in CS/Systems or 4 years relevant experience; TS/SCI with polygraph required; familiarity with software development, CI/CD, databases, cloud, and containerization.
Java, Python, C++, JavaScript, Spring, Hibernate, React, Angular, Vue.js, Django, Flask, STL, Qt, Boost, Git, Jenkins, PostgreSQL, MySQL, Oracle, ElasticSearch, MongoDB, AWS, Docker, Kubernetes
1mo
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Junior Developer
Annapolis Junction, Maryland, United States
$77k-$128k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
1+ YOEBachelor's in IT-related field and 1+ years software development experience. Must have active TS/SCI with polygraph. Proficiency in Python, Git, SQL, HTML/CSS/JavaScript; experience with Docker, Ansible, React, and unit testing frameworks.
Python, React.js, Docker, Ansible, Git, pytest, JavaScript, TypeScript, SQL, PostgreSQL, MySQL, SQLite, HTML5, CSS3, Docker Compose, GitLab CI, Jest, Vue.js, Angular, Node.js, AWS, Azure, GCP, Linux
4d
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Software Development Engineer
Laurel, Maryland, United States
$100k-$245k/yr HybridFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
2+ YOEBS (required) or MS in CS/CE/EE/Math or related, 2+ years software development, strong knowledge of C++ or Java in Linux/Unix, ability to obtain Interim Secret/Secret clearance, U.S. citizenship.
C++, Java, Linux, Unix
3mo
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Software Engineer
Annapolis Junction, Maryland, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
2+ YOE12+ MgmtBachelor's in CS (or equivalent experience), US citizenship with active TS/SCI + FSP clearance, ServiceNow platform administration/development experience and certification, 2+ years IT application experience (up to 15+ for senior levels), proficiency with HTML, CSS, JavaScript, AngularJS, JSON, REST/SOAP.
ITOM, ITSM, HRSD, CSM, Service Portal, ServiceNow, ServiceNow Platform, HTML, CSS, JavaScript, AngularJS, JSON, REST, SOAP, FOSS
1mo
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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
2w
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2440AS - Software Engineer I
Aberdeen, Maryland, United States
$75k-$98k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEBachelors in computer science or similar, 1-5 years software programming experience, proficiency in Java/C/C++/Python/JavaScript, experience with backend/microservices/web development, strong communication and documentation skills, current DoW clearance required.
Java, C/C++, Python, JavaScript, Node.js, Vue.js, Windows, Linux, Android, UML
2w
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Junior Cloud Software Engineer (AI/ML) - TS/SCI w/ Poly
Annapolis Junction, Maryland, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
4+ YOEUS citizen able to obtain TS/SCI with polygraph; 4+ years software development experience (or bachelor's in CS/related); experience with NoSQL (HBase, Accumulo, Big Table), Java/C/C++; software integration and testing experience; preferred AWS and CKAD certifications.
HBase, Accumulo, Big Table, Java, C, C++, AWS, Kubernetes
2w
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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