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84 jr developer jobs at 42 companies in Frederick, MD

2mo
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Jr. Backend Developer
Vienna, Virginia, United States
OnsiteFull Time
Chenega Corporation
Chenega Corporation: Provides professional government, defense, and facility support services.
1+ YOEBachelor's degree in computer science, engineering, GIS, or related technical field; 1+ year backend experience; Python/Node.js; REST APIs; ArcGIS Enterprise; containerization; TS/SCI clearance.
Python, Node.js, Java, REST APIs, ArcGIS Enterprise, Docker, Kubernetes
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1mo
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Jr. Systems Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
0+ YOEBachelor's degree in engineering or related field; no experience required for engineering degree, or degree plus 1 year experience; TS/SCI with Full Scope Poly clearance.
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2mo
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Cloud Software Engineer Jr. - TS/SCI w/Poly
Annapolis Junction, Maryland, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOEActive TS/SCI with current poly; 5 years software development; BS in CS or related field may substitute for 2 years; Java development; Git or GitLab.
Java, Git, GitLab, REST APIs, JSON, MongoDB, Docker, Kubernetes, AWS, Jenkins, GitLab CI/CD, Jira, Confluence, React, Vue.js
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3mo
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Jr. Drupal Developer
Falls Church, Virginia, United States
OnsiteFull Time
CTAC
CTAC: Systems integrator providing IT solutions for government agencies.
2+ YOEExperience with Drupal development, module/theme development, LAMP stack, Linux/Unix, PHP, MySQL, JavaScript; ability to obtain Public Trust clearance.
Drupal, PHP, MySQL, Linux/Unix, JavaScript, LAMP
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1mo
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Jr Salesforce Developer
Herndon or United States
RemoteFull Time
BDR Solutions
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
3+ YOEBachelor's in IT/Information Systems (or 5 years' experience), 3+ years' experience, Salesforce Admin & Developer certs required, proficient in Apex, Visualforce, LWC, SOQL/SOSL, JavaScript, MuleSoft, Copado, APIs, and Agile/SAFe; U.S. citizenship and clearance eligibility required.
Apex, Visualforce, Lightning, Lightning Web Components, SOQL, SOSL, JavaScript, SOAP, REST, MuleSoft, Copado, Salesforce, SharePoint, JAWS, Microsoft Azure, OWASP, GitHub, SSDT, MS SSRS
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3w
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Jr DSP Developer
Hanover, Maryland, United States
OnsiteFull Time
Fantom Corporation
Fantom Corporation: Provides specialized IT, engineering, and cybersecurity services for federal agencies.
4+ YOEMust be fully cleared with a recent MD polygraph, willing to work onsite in Hanover, MD. Requires a bachelor's in a technical field (or equivalent), 4+ years developing DSP algorithms, 4+ years with C++, Python, and Linux, strong DSP and RF experience, and strong communication skills.
C++, Python, Linux, Java, SQL
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3mo
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Jr. Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
3+ YOEThree years of software development experience; bachelor’s degree in a technical field; ability to obtain security clearance.
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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
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3w
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Jr Developer II
Windsor Mill or Clarksburg
$90k-$110k/yr RemoteFull Time
RELI Group
RELI Group: Provides professional IT and management services to government agencies.
3+ YOE3–5 years enterprise software engineering experience; proficiency with AWS (EC2, Lambda, RDS, DynamoDB), React, CI/CD, Agile/SAFe; familiarity with Bitbucket and Jira; active Secret clearance and U.S. work authorization required.
AWS, EC2, Lambda, RDS, DynamoDB, React, Bitbucket, Jira, CI/CD, SAFe, Agile
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1mo
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JR Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Probity
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
Master's degree in Computer Science, Information Systems, Engineering or equivalent; strong Python, Java/Scala, SQL; Hadoop/Spark; cloud data platforms; Docker/Kubernetes/Airflow; Agile experience; active Top Secret/SCI clearance with Polygraph.
Python, Java, Scala, SQL, Hive, Hadoop, Spark, AWS Glue, Google Cloud Dataflow, Azure Data Factory, Docker, Kubernetes, Airflow
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1w
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Jr. Web Developer
Herndon, Virginia, United States
OnsiteFull Time
Hathiant
Hathiant: Federal contractor providing AI-driven IT and digital solutions.
2+ YOEBachelor's in CS or equivalent with ~2 years' experience; experience with AWS CI/CD (CodeCommit/CodeBuild/CodePipeline), Git, Bash, PHP/CodeIgniter, MySQL, JavaScript, IIS, PowerShell; knowledge of Section 508, POA&M, peer review, and pipeline tuning.
AWS CodeCommit, AWS CodeBuild, AWS CodePipeline, AWS CI/CD Services, Git, Bash, PHP, CodeIgniter, MySQL, JavaScript, IIS, PowerShell
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1w
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Jr DevOps Engineer
Springfield or St. Louis
FieldFull Time
Abile Group
Abile Group: Provides IT, cybersecurity, and program management services to government agencies.
2+ YOETS/SCI clearance with CI poly, Bachelor's in CS/Engineering or equivalent, 2+ years experience, container platform experience (Kubernetes/Docker/OpenShift), GitLab, Python/Bash/Shell, CI/CD, network and on-prem infrastructure knowledge.
Kubernetes, Docker, OpenShift, GitLab, Python, Bash, Shell, Helm, Jira, Confluence
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1w
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Jr. Vantage Developer - Clearance Required
Tysons, Virginia, United States
OnsiteFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
3+ YOE3+ years front-end development experience with data visualization, Palantir Foundry experience, proficiency in HTML5/CSS/JavaScript/Python, EMR not mentioned, active Secret clearance required, leadership or mentorship experience preferred.
Palantir Foundry, HTML5, CSS, JavaScript, Python, D3.js, Plotly, Recharts, React.js, pandas, numpy, R, Shiny, Git, CI/CD, Storybook, OpenAI, Anthropic Claude, LangChain
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1w
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Jr. Vantage Developer - Clearance Required
Tysons, Virginia, United States
OnsiteFull Time
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
3+ YOEBachelor's or equivalent, 3+ years front-end development experience with data-visualization and data science workflows, proficiency in HTML5/CSS/JavaScript/Python, React.js, Palantir Foundry experience preferred, active Secret clearance required.
HTML5, CSS, JavaScript, Python, R, React.js, Palantir Foundry, D3.js, Plotly, Recharts, pandas, numpy, Git, Storybook, OpenAI, Anthropic Claude, LangChain, CI/CD
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3mo
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Jr Level Software Developer
Annapolis Junction or Columbia
$94k-$144k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
7+ YOERequires poly clearance; 7+ years software engineering or 4+ years with degree; BS CS or related; strong Java/JavaScript/Python; Agile; microservices; CI/CD; cloud knowledge.
Java, JavaScript, Python, Docker, Docker Compose, Kubernetes, Jenkins, GitHub, GitLab, Jira, Confluence, AWS, PostgreSQL, NoSQL, Go, Rust, C++, Vue, MinIO, Clickhouse, Graphite, ETL, Microservices, Full stack
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2mo
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Jr Data Integration Developer
Silver Spring, Maryland, United States
$90k-$110k/yr HybridFull Time
Science and Technology Corporation
Science and Technology Corporation: Provides scientific, engineering, and technical services to government agencies.
1+ YOEBachelor's degree; 1–2 years web app and backend microservices; AWS; REST APIs; JavaScript/TypeScript; React/Angular/Vue; Docker/EKS; HTML/CSS; Git and CI/CD.
AWS, API Gateway, S3, DynamoDB, CloudFront, Lambda, Docker, EKS, React, Angular, Vue.js, HTML5, CSS3, Git, CI/CD
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1mo
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390 - Jr. Software Engineer
Fort Meade or Linthicum
$103k-$115k/yr OnsiteFull Time
ARSIEM
ARSIEM: Provides cybersecurity and software engineering to government agencies.
2+ YOEBachelor's degree plus 2 years (or equivalent) experience; active TS/SCI with polygraph and U.S. citizenship required; proficiency in Java, Python, PySpark, ETL, Pig, MapReduce, JSON, BSON, and Hadoop; analytics and SIGINT data experience preferred.
Java, Python, PySpark, ETL, Pig, MapReduce, JSON, BSON, Hadoop, Large Language Models (LLM)
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1mo
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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
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3w
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Jr. AI Prompt Engineer
Ashburn or United States
RemoteFull Time
Ignite IT
Ignite IT: Provides digital transformation and cloud solutions to federal agencies.
U.S. citizen with bachelor's degree or equivalent; experience applying AI tools and designing prompts for generative AI; strong analytical, communication, and requirements-gathering skills; ability to support AI adoption and training.
n8n, Make.com, Zapier, LangFlow, APIs
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3d
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Jr. Software Developer
Alexandria, Virginia, United States
$75k-$98k/yr OnsiteFull Time
Space Ground System Solutions
Space Ground System Solutions: Provides engineering services for satellite ground systems and space missions.
1+ YOEUS citizen eligible for DoD TS/SCI, BS in CS/SE/CE, 1+ year professional experience, proficiency in Python/Go/Java/Node.js/C/C++, Linux, containers and Kubernetes, strong debugging and communication skills.
Python, Go (Golang), Java, JavaScript, Node.js, C, C++, Linux, Docker, Kubernetes, NATS.io, Protobuf, React, Vue, Terraform, Ansible, Prometheus, Grafana
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