2,474 junior developer jobs at 882 companies in Thurmont, MD
2mo
Save
Mark Applied
Hide
Junior Application Developer
Annapolis Junction or Columbia
$140k-$190k/yr HybridFull Time
3+ YOEActive TS/SCI with Polygraph; Bachelor in CS/Software Eng/IS plus 3 years of software dev; Master’s plus 1 year; 4-year substitution option; Python, Django, Docker, AWS, Java, JavaScript, ReactJS/Vue.js; Agile experience.
Python, Django, Docker, AWS, Java, JavaScript, ReactJS, Vue.js, PostgreSQL, HTML, CSS
2mo
Save
Mark Applied
Hide
Junior Software Engineer
Annapolis Junction, Maryland, United States
$70k-$190k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Junior Developer
Annapolis Junction, Maryland, United States
$77k-$128k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Junior Data Integration Developer
McLean, Virginia, United States
HybridFull Time
1+ YOEBachelor's in CS/SE/IS or related field; 1–2 years backend/API integration; REST APIs; AWS; JS/TS; Docker/Kubernetes; Git/CI/CD.
REST API Development, AWS Cloud Services, JavaScript/TypeScript, React/Angular/Vue.js, Docker & Kubernetes (EKS), AWS Lambda / API Gateway, Data Transformation & Validation, CI/CD Pipelines, Git Version Control
2mo
Save
Mark Applied
Hide
Junior Network Engineer
Sterling, Virginia, United States
OnsiteFull Time
1+ YOE1+ years network administration; degree in CS/EE/CE; strong understanding of networking protocols; scripting with Python/Bash; CI/CD experience; routing tech (OSPF/BGP/EIGRP/EVPN); IT performance and security monitoring; excellent communication.
LDAP, SAML, OAuth 2.0, SSH, SFTP, SCP, SNMPv3, Netflow, SMTP, Python, Bash, CI/CD, TCP/IP, traffic analysis, TAPs, traffic brokers, OSPF, BGP, EIGRP, EVPN, SDLC, systems engineering, IT performance management, IT operations, operational monitoring, security monitoring, KPI
2d
Save
Mark Applied
Hide
Junior Developer
Reston, Virginia, United States
$80k-$95k/yr HybridFull Time
3+ YOERequires 3+ years of software development experience, modern languages/frameworks, version control, AWS and CI/CD familiarity, U.S. citizenship, communication skills, and ability to obtain government clearance.
AWS, CI/CD
1w
Save
Mark Applied
Hide
Java Developer Junior
Ashburn, Virginia, United States
$80k-$120k/yr HybridFull Time
2+ YOE2+ years Java/JEE development, bachelor’s in CS or related, experience with cloud/AWS serverless, microservices using Spring, DBMS and NoSQL, Unix familiarity, and ability to obtain public trust.
Java, J2EE, JEE, Spring, Spring Boot, Eclipse, VS Code, Atlassian, HTML, CSS, JavaScript, Angular, React, React-Native, NodeJS, Oracle, PostgreSQL, MongoDB, JDBC, JPA, Hibernate, DynamoDB, AWS Lambda, S3, SQS, Elasticache, Docker, Konvoy, Kubernetes, Jenkins, Gitlab, Unix, Linux
3w
Save
Mark Applied
Hide
Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
2mo
Save
Mark Applied
Hide
Junior Cloud Engineer (Hybrid)
Herndon, Virginia, United States
$80k-$95k/yr HybridFull Time
2+ YOEHands-on with Microsoft 365 and Azure; device management, client onboarding, cloud setup; basic migration concepts; strong documentation and communication; security clearance required.
Microsoft 365, Azure, Intune, SharePoint, Purview, Defender, Entra ID, PowerShell
3w
Save
Mark Applied
Hide
Junior Appian Developer
Reston, Virginia, United States
$90k-$110k/yr RemoteFull Time
0+ YOEU.S. citizen with 0–3 years Appian or application development experience; Appian Associate certification within 6 months; CompTIA Security+ within 30 days; active Tier 2 background investigation within 18 months; foundational SQL, REST, and Appian knowledge.
Appian, SQL, REST, Python, Java, JavaScript, Git, CI/CD
3d
Save
Mark Applied
Hide
Junior Engineer
Herndon, Virginia, United States
OnsiteFull Time
U.S. citizenship, active or in-process government clearance, programming experience in Python, JavaScript, Java, or C++, Linux and Bash familiarity, and some machine learning knowledge.
Python, JavaScript, Java, C++, Linux, Ubuntu, Bash, Agile, Scrum
1mo
Save
Mark Applied
Hide
Junior Software Engineer
Reston, Virginia, United States
$90k-$122k/yr HybridFull Time
2+ YOE2+ years software development experience, BS in Computer Science or equivalent, proficiency in C/C++/Rust and Python, Linux, CI/CD and infrastructure automation (Terraform, Ansible, Puppet, OpenStack), strong CS fundamentals and communication skills.
Terraform, Ansible, Puppet, OpenStack, Jenkins, Groovy, GitHub, Python Behave, Cucumber, C, C++, Rust, Python, Linux, tcpdump, Docker, Kubernetes
1mo
Save
Mark Applied
Hide
Junior Fullstack + AI Developer
Tysons, Virginia, United States
OnsiteFull Time
0+ YOE0–2 years software development experience; familiarity with modern frontend frameworks, backend development (Python/Node.js/Java), REST APIs, relational/NoSQL databases; interest in AI/ML and LLMs; strong communication and problem-solving.
React, Vue, Angular, Python, Node.js, Java, PostgreSQL, MongoDB, PyTorch, TensorFlow, Hugging Face, LangChain, OpenAI APIs, Git, AWS, Azure, Google Cloud, Docker
2mo
Save
Mark Applied
Hide
Junior Field Applications Engineer
Reston, Virginia, United States
OnsiteFull Time
0+ YOEB.S. in Electrical Engineering or related field; 0-3 years experience; U.S. person; strong desire to learn; basic networking; ESD awareness; willingness to travel.
RF concepts, Spectrum analyzers, Test equipment, Networking basics
1mo
Save
Mark Applied
Hide
Junior Full Stack Developer
Sterling, Virginia, United States
OnsiteFull Time
0+ YOE0–2 years software development experience; eligible for security clearance; basic knowledge of HTML5, CSS3, JavaScript (ES6+), a front-end framework (React/Angular/Vue.js), a back-end technology (.NET/Node.js/Java Spring Boot/Python), REST APIs, SQL/NoSQL, and Git.
HTML5, CSS3, JavaScript (ES6+), React, Angular, Vue.js, Node.js, .NET, Java, Java Spring Boot, Python, REST APIs, SQL Server, MySQL, PostgreSQL, Git
4d
Save
Mark Applied
Hide
Junior Software Engineer
Laurel, Maryland, United States
$85k-$195k/yr OnsiteFull Time
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
5d
Save
Mark Applied
Hide
Junior IT Software Engineer
McLean, Virginia, United States
$70k-$110k/yr HybridFull Time
Technical bachelor's degree, Design Intelligence experience, cloud experience, Git, PowerShell/Python/C#, strong writing, and attention to detail required; 1–2 years software development preferred.
Microsoft Azure, Logic Apps, PowerShell, Azure Functions, C#, SaaS, Entra ID, SCIM, GitHub, GitLab, Bitbucket, AWS, GCP, Python, REST APIs, JSON, webhooks, Graph API
1mo
Save
Mark Applied
Hide
Junior Software Developer - TS/SCI
Herndon or Chantilly
$88k-$155k/yr OnsiteFull Time
2+ YOETop Secret/SCI required. Bachelor’s degree in EE/CS/CE or related, 2+ years software development experience, proficiency with Python and C/C++, Linux, Git; experience with AWS, Docker, Kubernetes, and ML frameworks preferred.
Python, C/C++, Linux, Git, Amazon Web Services (AWS), Docker, Kubernetes, PyTorch, TensorFlow, X-Midas, OpenCV, Keras, Qt/PyQt, Android, GitLab CI/CD, CUDA
4d
Save
Mark Applied
Hide
Junior Software Engineer (Clearance Sponsorship)
Annapolis Junction, Maryland, United States
$94k-$127k/yr OnsiteFull Time
0+ YOE0+ years of related experience; skills in Java, Linux, Python, application development, and software development. U.S. citizenship and Top Secret SCI with Polygraph clearance required.
Java, Linux, Python
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
Explore Jobs