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Java Python Developer Jobs in Rockville, MD, US
1,400+ java python developer jobs from 320+ companies hiring in Rockville, MD, US.
1mo
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Software Engineer-Multiple Levels (DT-0/1/2)
Annapolis Junction, Maryland, United States
$170k-$230k/yr OnsiteFull Time
7+ YOEC++, Java, Linux; Python/JavaScript; Git/GitLab; Agile; 7+ years; BS in related field or 11 years experience in lieu.
C++, Java, Linux, Python, JavaScript, Git, GitLab, VSCode, Eclipse, Jira, Confluence
1d
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CUAS SW Engineer
United States or Summit Point
$88k-$155k/yr RemoteFull Time
5+ YOE5+ years' software engineering experience; Bachelor's in CS/engineering/math or related field or equivalent; active Secret clearance; Java; APIs; AI/ML; Python/C++; Docker; Git; Agile tooling.
Java, APIs, Ansible, Docker, React, Git, CMake, Confluence, JIRA, Python, C++, AI/ML
1w
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Hybrid Software Reverse Engineer - FUTURE NEED
Vienna, Virginia, United States
$43-$96/hr OnsiteFull Time
US citizen; ability to obtain government security clearance; Bachelor's in CS/CE/EE/Math/Physics; read assembly; proficient in C/C++/Java/Python; knowledge of Java and low-level languages; strong communication and teamwork.
IDA Pro, Python, MongoDB, Neo4j, C, C++, Java, C#
1w
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Cloud Software Engineer CSWE2 - 27151
Hanover, Maryland, United States
OnsiteFull Time
Experience with DevOps, ElasticSearch, NiFi, Python, Java/Spring Boot, and Angular.
Python, Java/Spring Boot, Angular, Elastic Search, NiFi, DevOps
1mo
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UX Engineer / Front-End Engineer – TAK (ATAK/WinTAK)
Chantilly, Virginia, United States
OnsiteFull Time
3+ YOE3-5 years UX/UI development; experience with ATAK/WinTAK/TAK Server; strong Java and front-end skills; API/data stream integration; TS clearance (TS/SCI preferred).
Java, React, Angular, Vue, Kotlin, Python, GitLab, ATAK, WinTAK, TAK Server
1mo
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Advisor Software Engineer (AWS)
Reston or Plano
$155k-$209k/yr HybridFull Time
6+ YOE6+ years Java development; AWS and AI/ML exposure; strong design/architecture; Angular; stakeholder collaboration; mentoring; observability and SDLC expertise.
Java, Angular, Python, AWS, TensorFlow, PyTorch
1mo
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Software Engineer (Data Management)
Linthicum Heights, Maryland, United States
HybridFull Time
7+ YOESeven years SWE experience; TS/SCI with polygraph; BS in CS or related; strong analytics, Pig/PySpark; Python/Java/Scala; Agile experience.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
1mo
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Cyber Software Developer
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEActive TS/SCI clearance; 3+ years cyber software development; mobile OS programming in C/C++, Python, Java, or Swift; experience building cyber tools for offensive/defensive missions.
IDA Pro, Ghidra, Frida, Windbg, Git, CI/CD
8h
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Staff Software Engineer, Defense and Consulting Engineering
Reston or New York
$207k-$300k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent; 8 years software development; 5 years full-stack across backend (Java, Python, Go, C++) and frontend (JavaScript/TypeScript, HTML/CSS); 5 years testing/launching software; 3 years design/architecture.
Java, Python, Go, C++, JavaScript, TypeScript, HTML, CSS
1mo
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Signals Software Engineer
Annapolis Junction, Maryland, United States
$63-$77/hr OnsiteFull Time
4+ YOEExperience in RF signal processing software (detectors, demodulators, protocol processors); translate requirements to design; develop in C++/Java on Linux; RF concepts; TS/SCI clearance with polygraph.
C++, Java, Python, MATLAB, SIMULINK, Eclipse, Google Protocol Buffers, Git, Subversion, GNU Radio
1d
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Software Engineer Level 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
14+ YOETS/SCI with Polygraph clearance required; 14+ years SWE experience; BS in CS or 4 years equivalent experience; Zabbix, Python and Java in Linux environment.
Python, Java, Zabbix, Linux
1mo
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AI Solution Engineer-Platform
Huntsville or Washington
HybridFull Time
4+ YOEProficient in Python/SQL with back-end language (Java/Scala/Go); experience with data pipelines, ML production, cloud analytics, REST APIs, graph DBs; CI/CD, DevOps, and containerization.
Python, SQL, Java, Scala, Go, PostgreSQL, Snowflake, Neo4j, Amazon Neptune, Git, Docker, Kubernetes, Terraform, CloudFormation, Pulumi, GitHub Actions, GitLab CI, Jenkins, CI/CD, Docker/Kubernetes, infrastructure-as-code, unit testing, REST APIs, Plotly, D3.js, Terraform, Pulumi, AWS GovCloud
1w
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Cleared Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOEActive TS/SCI clearance with Full Scope Polygraph; 3+ years of experience; bachelor's degree in a technical discipline; experience with Python, JavaScript, or Java; familiarity with databases and version control; strong communication.
Python, JavaScript, Java, Databases, Git
2mo
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Junior Software Engineer
Baltimore, Maryland, United States
OnsiteFull Time
Bachelor’s degree in Computer Science or Information Systems; experience with Python, Java, C++, Ruby, or JavaScript; experience leading all SDLC phases; data integration experience; ability to gather requirements and work with users; available for non-traditional hours.
Python, Java, C++, Ruby, JavaScript, SQL, AWS S3, AWS Lambda, AWS SQS, Django, R
2mo
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Entry-Senior Software Engineer- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$95k-$230k/yr OnsiteFull Time
Software engineer with Java, Python, Git; containerization; CI/CD; Agile; Spring, Hibernate, MySQL; BS in CS or related, 4 years exp may substitute
Java, Python, Git, Shell, Maven, JavaScript, HTML, CSS, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring, Hibernate, MySQL, Web Services, Vaadin
5d
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Test Automation Engineer (ACWS)
Arlington or United States
RemoteFull Time
3+ YOE3-5 years QA/test automation; Tosca Tricentis and FitNesse expertise; scripting in Java/Python/C#; Git; SDLC/Agile; DoD Secret clearance; US citizenship; BS degree in a relevant field.
FitNesse, Tosca Tricentis, Java, Python, C#, Git
2w
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Forward Deployed Engineer
Austin or Remote or Reston
HybridFull Time
6+ YOE6+ years in software/data/ML; degree in CS/Engineering/Math/Physics/Data Science; hands-on with AI/ML and LLM frameworks; production systems; multi-cloud; containerization; Python/Java/TypeScript; travel 25–75%; client collaboration.
PyTorch, Hugging Face, LangChain, vLLM, Docker, Kubernetes, Python, Java, TypeScript
2w
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Forward Deployed Engineer
Reston, Virginia, United States
HybridFull Time
5+ YOEBachelor’s degree in CS/Engineering or equivalent; 5+ years in software engineering, cloud architecture, and deployments; strong cloud experience (GCP/AWS/Azure); full-stack proficiency (Python, TypeScript, Go, Rust, or Java); Docker/Kubernetes; US Citizen.
Kubernetes, GKE, Docker, Python, TypeScript, Go, Rust, Java, Google Cloud, AWS, Azure
2mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
14+ YOESenior software engineer with cloud architecture, data visualization, Python/Java, and leadership experience; TS/SCI clearance with polygraph; Bachelor's degree in CS or related field plus 14 years of experience; experience with MySQL/PostgreSQL and web-based server applications.
Python, Java, MySQL, PostgreSQL, Linux, Web-based server applications, Data visualization
1mo
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Software Engineer (Mid level - Clearance Required) - (US - Remote)
Reston or United States
$81k-$139k/yr RemoteFull Time
3+ YOEActive Top Secret clearance; 3+ years software engineering; US citizenship; remote US with occasional travel; experience with Java/Python/JavaScript; Agile; DoD/government experience.
Java, Python, C#, JavaScript, React, Angular, AWS, Azure, GovCloud, CI/CD, DevOps, APIs, Databases
2w
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Junior Palantir / Maven Product Engineer
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree in CS/Engineering/Data Science or related field; 1–3 years software/data engineering; Python/Java/Go/TypeScript; cloud infra AWS/Azure/Kubernetes; secure environments; Secret clearance; TS/SCI eligibility.
Python, Java, Go, TypeScript, AWS, Azure, Kubernetes
2w
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Staff Software Developer (TS/SCI)
Herndon, Virginia, United States
$92k-$195k/yr OnsiteFull Time
5+ YOEUS citizen with TS/SCI clearance and CI poly; BS in CS/Software Eng; 5+ years backend software dev; Java/Python/JS; REST APIs with Spring Boot; Docker/Kubernetes/OpenShift; Jenkins/Git/Helm; Linux scripting; on-site in Herndon, VA.
Java, Python, JavaScript, Spring Boot, Docker, Kubernetes, OpenShift, Rancher, Jenkins, Git, Bitbucket, Gradle, Bash, Shell, OpenSearch, Elasticsearch, Keycloak, Fluent Bit, Cesium, PostgreSQL
3w
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Senior Software Engineer (Partial Telework)
Annapolis Junction, Maryland, United States
$170k-$230k/yr HybridFull Time
7+ YOEActive TS/SCI with polygraph; 7+ years experience with a master's degree or 9+ years with a bachelor's; US citizenship; strong Java/Spring Boot, AWS, Python; ability to work in partial telework environment.
Java, Spring Boot, AWS, Python, Git, Maven, GitLab, Kubernetes, Docker, Ansible
2w
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AI/ML Software Developer - Top Secret
Tysons, Virginia, United States
$90k-$135k/yr OnsiteFull Time
2+ YOEActive Top Secret clearance; Bachelor’s in computer science or related field; minimum 2 years of relevant experience; JavaScript/Java/Python and OO programming; strong data structures and algorithms; experience with LLM tools.
JavaScript, Java, Python, Object-Oriented Programming, LLM tools
1mo
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Application Developer / Software Engineer
Washington or Fairfax
HybridFull Time
4+ YOEMid-level application developer with 4–6 years of experience, SDLC expertise, on-site or hybrid work in the DMV area, strong skills in web and enterprise app tech; AI/ML preferred.
ASP.NET, C#, Python, Java, C/C++, HTML, XHTML, XML, XSLT, CSS, JavaScript, SQL, SQL Server, Oracle, MarkLogic, Visual Studio, Git, CI/CD pipelines, .NET Framework, SharePoint, Microsoft Power Platform, IIS, SQL Reporting, ETL, AI, ML
1mo
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Data Engineer (AWS, Azure, GCP)
Reston, Virginia, United States
HybridFull Time
Experience delivering solutions on a major cloud platform; strong data engineering and pipeline development; SQL, Python/Java; knowledge of cloud services.
AWS, Azure, GCP, SQL, Python, Java, R, C#, C++, Docker, Kubernetes, Git, Spark, Databricks, Kafka, Kinesis, Hadoop, Lambda, EMR, Snowflake, Redshift, Aurora, Presto, BigQuery, Oracle, Jenkins
1mo
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Software Developer
Washington, District of Columbia, United States
$65k-$102k/yr HybridFull Time
7+ YOEBachelor's in computer science/engineering or related field; 7+ years experience; 3+ years programming/data management; proficient in Python, Power BI, SQL, Office; ability to obtain Interim Secret clearance; US citizen.
Python, Power BI, Microsoft Office, SQL, C, C#, Java
5d
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Software Engineer Full Stack & Application Development II (Full Time) – United States
San Jose or New York or Boston or Knoxville or Austin or Milpitas or Alpharetta or Raleigh (RTP) or Maynard or Fulton or Dallas or Atlanta or Hillsboro
HybridFull Time
0+ YOEBackend in Python/C++/Java; frontend JS/TS; REST/GraphQL/gRPC; SQL/NoSQL; cloud familiarity (AWS/Azure/GCP).
Python, C++, Java, JavaScript, TypeScript, REST, GraphQL, gRPC, SQL, NoSQL, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Ansible, CloudFormation, GitHub Actions, Jenkins, CircleCI, Grafana, Prometheus, Splunk, React, Angular, Vue
2mo
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Full Stack Software Engineer (TS/SCI with CI poly)
Springfield, Virginia, United States
$113k-$188k/yr OnsiteFull Time
5+ YOEUS citizen with TS/SCI clearance and CI poly; BS in Computer Science or related field; 5+ years of software development experience; proficient in Java, Python or C++; Linux; cloud architectures (AWS); NoSQL (Elastic, MongoDB); Git, Eclipse, Maven.
Java, Python, C++, Linux, AWS, NoSQL (Elastic, MongoDB), Git, Eclipse, Maven
1mo
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Forward Deployment Software Engineer
Reston, Virginia, United States
$200k-$288k/yr HybridFull Time
7+ YOE7+ years in distributed systems; container orchestration; IaC (Terraform/Pulumi); CS fundamentals; Java/C++/Golang/Python; public cloud experience; TS/SCI with Polygraph clearance; US citizenship; advanced degree in CS.
Terraform, Pulumi, Kubernetes, Cloud Platforms (AWS, Azure, GCP), Java, C++, Go, Python
2w
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Software Engineer II, AI
Washington, District of Columbia, United States
$144k-$160k/yr RemoteFull Time
Bachelor's degree in IT/CS/Engineering; 2+ yrs Generative AI; 3+ yrs cloud (AWS); 4+ yrs DevOps; 2+ yrs agentic systems; 3+ yrs distributed cloud-native; 4+ yrs programming (Python/Java/Rust/SQL/Node.js).
AWS, GitHub, Bitbucket, AWS CloudFormation, AWS Lambda, AWS EKS, S3, LangGraph, Python, Java, Rust, SQL, Node.js
2w
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Senior NetIQ Engineer
Suitland-Silver Hill, Maryland, United States
HybridFull Time
5+ YOE5+ years in Directory Services with NetIQ eDirectory/IDM; Java/C++ development; Python/Perl/Linux scripting; REST/JSON/SOAP; SQL databases.
NetIQ eDirectory, NetIQ IDM, LDAP, REST, SOAP, Java, ECMAScript, Python, Perl, Shell, XML, XSLT, SQL, PostgreSQL, Oracle, SQL Server, PowerShell, Bash, Linux
5d
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Sr. Software Engineer/Developer
Washington, District of Columbia, United States
$135k-$234k/yr OnsiteFull Time
5+ YOEBS in Engineering or CS with 10-12 years' experience; MS 8-10 years; PhD 5-7 years; DoD TS/SCI clearance; proven software development experience; multiple languages; Linux front-end/back-end; DevOps tools; strong communication and collaboration.
Java, Python, C++, JavaScript, Ruby, Motif, Linux, Git, Jira, Docker, Kubernetes, CI/CD
3w
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Sr. Software Engineer - TS/SCI CI Poly Required
Washington, District of Columbia, United States
OnsiteFull Time
Tesla Laboratories: Provides engineering, cybersecurity, and environmental services to federal agencies.
Active TS/SCI clearance with CI Polygraph required; experience with Java, Groovy, Grails, Python, PL/SQL, JavaScript, CSS, HTML; Oracle DB; Tomcat; GIS tools.
Java, Groovy, Grails, Python, PL/SQL, JavaScript, CSS, HTML, Oracle, Tomcat, GeoServer, OpenLayers, XML, JSON, IBM Watson Explorer, Elasticsearch
3w
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Software Developer
Dahlgren, Virginia, United States
HybridFull Time
5+ YOEFive years of professional software development experience; Agile experience; DoD exposure a bonus; security clearance required; BS in CS/Engineering or related field; CISSP/Security+ preferred.
C/C++, C#, .NET, Java, Python, Amazon Web Services, PHP, Data Science (coding), WPF, MVC
2w
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Sr. Software Engineer II (6520)
Tysons Corner, Virginia, United States
$142k-$195k/yr OnsiteFull Time
7+ YOEBachelor's degree in CS/IT/Engineering or equivalent; Secret clearance; 7+ years IT; 6+ years full stack with AWS; 3+ years Go/Python/Java/JavaScript/React/Angular/TypeScript/NextJS; IL6+ AWS; strong data, security, and deployment experience.
AWS, Python, Go, Java, JavaScript, React, AngularJS, TypeScript, NextJS, DevSecOps
3d
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Cleared Software Engineer
Chantilly, Virginia, United States
$69k-$116k/yr OnsiteFull Time
Bachelor's degree or equivalent experience; strong software development fundamentals; experience with Java, Scala, Python, or Golang; Kubernetes, Docker, AWS; CI/CD tooling; willingness to work extended hours.
Java, Scala, Python, Golang, Kubernetes, Docker, AWS, CI/CD, Kafka, NiFi, Gitlab CI/CD, ArgoCD, CircleCI, Jenkins
3mo
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Android Mobile Application Developer (TS/SCI w POLY)
McLean, Virginia, United States
$100k-$175k/yr OnsiteFull Time
3+ YOE3+ years software development; Android NDK; C and Python; Git; OS internals; TS/SCI w POLY clearance.
Android, Android NDK, Git, C, Python, Java
2mo
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Software Engineer- AI
Herndon or Cincinnati or North Carolina or Georgia or Texas or New Jersey or Pennsylvania or Illinois or District of Columbia or Maryland or Ohio or Florida or South Carolina or Colorado or Indiana
HybridFull Time
2+ YOE2+ years hands-on software engineering; shipping full systems; proficient in Angular/TypeScript, .NET/C#, Python, Java; 1+ year cloud-native (Azure); comfortable across stack; regulated environments experience.
Angular, TypeScript, .NET/C#, Python, Terraform, Bicep, Azure Gov, CI/CD
11h
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Software Engineer
Annapolis Junction, Maryland, United States
$100k-$185k/yr OnsiteFull Time
Applied Network Solutions: Providing cybersecurity and network engineering services for government agencies.
4+ YOEActive TS/SCI clearance with polygraph; experience in Python, Spark, C++, data analytics; CS degree with extensive relevant experience.
Python, Spark, C++, Rust, Java, C, Docker, Kubernetes, Ansible, Linux
HiringCafe market data
Java Python Developer Jobs market signals in Rockville, MD, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
1,400+
Hiring companies
320+
Fresh sample
55% new in 30d
Salary visibility
63% show pay
Companies appearing in this market
ArcfieldCipher Tech SolutionsEverWatchGliaCell TechnologiesGoogleLegatoParsonsSunayu
Work location mix in visible results
Onsite: 58Hybrid: 21Remote: 4