📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Limited-index browse page
Java Python Developer Jobs in Littlestown, PA, US
330+ java python developer jobs from 100+ companies hiring in Littlestown, PA, US.
2mo
Save
Mark Applied
Hide
Cleared Software Engineer - Microservices
Annapolis Junction, Maryland, United States
$185k-$230k/yr OnsiteFull Time
12+ YOE12+ years of professional experience or 10+ years with a related Master’s degree; strong Java Spring Boot, AWS, Python, CI/CD, and Agile experience.
Java, Spring Boot, Python, AWS, Lambda, Step Functions, EC2, S3, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, MongoDB, DynamoDB, Cypress, Cucumber, OSS, CloudWatch
1mo
Save
Mark Applied
Hide
362 - Sr. Analytic Engineer
Fort Meade, Maryland, United States
$191k-$214k/yr OnsiteFull Time
8+ YOEBachelor's degree +8 years or equivalent; Java/Python; Jupyter Notebooks; GHOSTMACHINE; MapReduce; TS/SCI with polygraph; US citizen
Java, Python, Jupyter Notebooks, GHOSTMACHINE, MapReduce
1mo
Save
Mark Applied
Hide
Software Engineer (All Levels)
Fort Meade, Maryland, United States
HybridFull Time
0+ YOECleared software engineers at multiple levels; active clearance and polygraph; proficiency in C/C++, Python, Java; CI/CD; cyber security tooling; malware analysis.
C/C++, Python, Java, Git, CI/CD, Jenkins, Bamboo, Docker, Terraform, Ansible, Packer, MITRE ATT&CK
3w
Save
Mark Applied
Hide
Software Engineer II *Top Secret*
Hunt Valley, Maryland, United States
$88k-$133k/yr OnsiteFull Time
2+ YOE2+ years of software development; active Top Secret clearance with ability to obtain TS/SCI; BS in Computer Science/Engineering; strong OO design; RF concepts and signal processing a plus; languages: C#, C++, Java, Python.
C#, C++, Java, Python, RF concepts, FPGA, microcontrollers, GPUs
1mo
Save
Mark Applied
Hide
Software Engineer
Baltimore, Maryland, United States
OnsiteFull Time
3+ YOEExperience with Python or Java, SQL, Kubernetes, HTML, Apache NiFi; GitLab/CI/CD; Docker; Atlassian tools; REST APIs; IAM and big data tools; TS/SCI with Polygraph clearance; degree with years of relevant experience.
Python, Java, SQL, Kubernetes, HTML, Apache NiFi, GitLab CI/CD, Docker, Jira, Confluence, Ansible
1mo
Save
Mark Applied
Hide
Software Engineer
Annapolis Junction, Maryland, United States
$200k-$225k/yr OnsiteFull Time
14+ YOEActive TS/SCI with Polygraph; 14+ years software engineering; Bachelor’s in CS/Engineering/Math/Physics; strong Java, Python, JavaScript (React); REST APIs; AWS; Docker/Kubernetes; IaC (Ansible or similar); Agile experience.
Java, Python, JavaScript, React, REST APIs, AWS, Docker, Kubernetes, Ansible, GitHub, GitLab, Jenkins
6d
Save
Mark Applied
Hide
Cloud Software Engineer, Lead Associate Top Secret/SCI w/Poly
Laurel, Maryland, United States
$146k-$234k/yr OnsiteFull Time
8+ YOE8+ years in software development; Java/C/C++, UNIX/Linux, Python; AWS, REST APIs, Angular; CI/CD; Git; Linux; strong problem solving.
AWS, Python, Java, C++, UNIX/Linux, Angular, REST, Git, CI/CD, Lambda
1mo
Save
Mark Applied
Hide
Software Engineer SWE 2
Jessup, Maryland, United States
OnsiteFull Time
14+ YOE14 years software engineering; TS/SCI with Poly; Linux; Python/C++/Java/JavaScript; Git, GitLab; Agile; Bachelor’s degree or 4 years’ equivalent experience.
Python, C++, Java, JavaScript, Git, GitLab, VS Code, Eclipse, Linux, IDE, Jira, Confluence
1d
Save
Mark Applied
Hide
Mid-Level Software Engineer
Annapolis Junction, Maryland, United States
$102k-$190k/yr OnsiteFull Time
7+ YOESeven to fourteen years SWE experience; Bachelor's in CS; Top Secret/SCI with Polygraph; strong Java and Python; SDLC with Agile; cloud and ML/AI experience preferred.
Java, Python, GitLab, Jenkins, Maven, Jira, Confluence, AWS, Azure, Google Cloud, Docker, Kubernetes, Apache Spark, Hadoop, ML/AI
2w
Save
Mark Applied
Hide
Senior Software Engineer III (Government)
Columbia, Maryland, United States
$89k-$208k/yr OnsiteFull Time
8+ YOEBachelor's degree; 8 years experience; .NET, Java, Python, C# skills; TS/SCI clearance.
.NET, ASP.NET, C#, Java, Python, Oracle
2mo
Save
Mark Applied
Hide
Software Engineer (Full-stack Developer) - FULLY CLEARED with POLYGRAPH REQUIRED
Fort Meade or Annapolis Junction or Hanover
$175k-$200k/yr OnsiteFull Time
8+ YOEUS citizen with TS/SCI clearance and polygraph; 8+ years of direct/relevant experience; bachelor's degree in computer science or related field; proficiency in Python and Java; experience with Jupyter Notebooks, GHOSTMACHINE, and data analytics tools.
Python, Java, Jupyter Notebooks, GHOSTMACHINE, Query Time Analytics, Tableau, Atlassian
2mo
Save
Mark Applied
Hide
Software Engineer Level 2
Fort Meade, Maryland, United States
$215k-$230k/yr OnsiteFull Time
14+ YOETS/SCI with poly, BS in CS/Engineering, 14 years experience; strong Java/JavaScript; Python; microservices; ETL; Docker/Kubernetes; CI/CD; GitHub/GitLab; Agile.
Java, JavaScript, Python, Docker, Docker Compose, Kubernetes, Jenkins, GitHub, GitLab, Jira, Confluence, AWS
2mo
Save
Mark Applied
Hide
Software Developer 2
Fort Meade, Maryland, United States
$160k-$190k/yr OnsiteFull Time
14+ YOEBachelor's or higher; active TS/SCI with FSP within 7 years; 14 years experience with degree or 18 years without; virtualization, Java/Kotlin, REST, Spring, Kubernetes; Python scripting; Atlassian, Git; IntelliJ/Eclipse; full-stack capabilities.
Python, Kotlin, Spring, Spring Boot, Kubernetes, Java, REST, Git, IntelliJ, Eclipse, Virtualization
3w
Save
Mark Applied
Hide
Software Engineer 2
Annapolis Junction or Hanover
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
14+ YOELinux, C++, Java, scripting (Shell, JavaScript, Bash, Python), networking, Git, Docker; 14+ years exp with software engineering or 19+ years exp in lieu of degree; US citizenship with TS/SCI poly clearance.
Linux, C++, Java, Scripting languages, Socket programming, Git, Docker, Python
1mo
Save
Mark Applied
Hide
Software Engineer 3 (IDN - 159)
Fort Meade, Maryland, United States
OnsiteFull Time
5+ YOETS/SCI w/ Polygraph; advanced degree with years of SWE experience; Linux, Bash, Python/Java, Airflow, Spark, SQL, Git; HPC and data processing skills.
Linux, Bash, Python, Java, Apache Airflow, Apache Spark, MySQL, MariaDB, PostgreSQL, Jupyter, pandas, NumPy, Git, Parquet, JSON, CSV, XML, Slurm, JIRA, Confluence
6d
Save
Mark Applied
Hide
Backend Software Engineer
Gaithersburg or Alexandria or Chantilly or St. Louis or Tucson
OnsiteFull Time
8+ YOEUS citizen; TS/SCI with poly; BS in CS/SE with 8–12 yrs (MS with 6–10); Java or Python; REST APIs; SQL; Linux; ability to work independently.
Java, Python, REST, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure, Agile
2mo
Save
Mark Applied
Hide
ME00549-Software Engineer 2
Annapolis Junction, Maryland, United States
$160k-$220k/yr OnsiteFull Time
14+ YOETop Secret/SCI clearance; Bachelor's degree and 14 years of related experience; strong experience with Java, JavaScript, Python, and full-stack data-focused technologies.
Java, JavaScript, Python, Docker, Kubernetes, Jenkins, GitHub, GitLab, Jira, Confluence, Agile
2mo
Save
Mark Applied
Hide
Military Systems Cybersecurity Software Engineer
Laurel, Maryland, United States
$100k-$195k/yr OnsiteFull Time
3+ YOEBachelor's in CS/Cybersecurity/Software Eng; 3+ years in software development; proficiency in Python/Java/C/C++; knowledge of cybersecurity and networks; ability to travel up to 10%; eligible for Interim Secret/TS/SCI clearance.
Python, Java, Golang, Rust, C, C++, Wireshark, VMware vSphere, Splunk, ELK Stack
1mo
Save
Mark Applied
Hide
MCCO Software Developer SME | Active TS/SCI CI Poly
Fort Meade, Maryland, United States
$170k-$230k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOEActive TS/SCI with CI Poly; 10+ years software development; Java, Python, C, C++, Assembly; Visual Studio; Git; Windows, Linux, macOS; AWS, Azure, GCP; Bachelor’s degree; onsite in Ft. Meade, US citizenship.
Java, Python, C, C++, Assembly, Visual Studio, Git, Windows, Linux, macOS, AWS, Azure, GCP, SDLC, Microservices, Event-Driven Design, Configuration Management
2mo
Save
Mark Applied
Hide
Back-End Developer, Senior/Mid- JCC2-JCO
Lackland Air Force Base or Fort Meade
OnsiteFull Time
7+ YOEBachelor's degree; 7-10 years in software development; backend web development; Python and PostgreSQL; RESTful API; DevSecOps; cloud experience.
Python, PostgreSQL, Jira, AWS, Kubernetes, Docker, Java, OpenJDK, Ansible, Packer, Maven, REST API, Red Hat, SQL, CI/CD
2mo
Save
Mark Applied
Hide
Software Engineer IV
Annapolis Junction, Maryland, United States
OnsiteContract
Senior-level SWE responsible for developing and maintaining complex data flows and software; requires Unix, Java, scripting, NiFi, CM tools, and TS/SCI with Poly.
Linux, Bash, Java, Python, Perl, Jira, Confluence, NiFi, Git, Shell scripting, Eclipse, Docker, Spring, Kafka, OSS, Web Services, JavaScript, C, C++, Python, Ruby
20h
Save
Mark Applied
Hide
LightGrid, LLC - Data Integration Software Developer
Odenton or Fort Meade
OnsiteFull Time
4+ YOEBachelor's in CS/Math/Physics/EE/Computer Eng or related; 4+ yrs Kafka/Java/REST/AWS/full stack; Python/Java/SQL; DoD Secret/Interim Secret clearance; DoD 8570 IAT II within 30 days.
Kafka, Elastic, Databricks, Confluent, Elasticsearch, Logstash, ksqlDB, Kafka Streams, Kubernetes, Docker, Python, Java, SQL, HTML, JavaScript, Git, Bitbucket, NiFi, UNIX, Kibana
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Senior Software Engineer
Aberdeen, Maryland, United States
$140k-$225k/yr HybridFull Time
7+ YOE7+ years software engineering experience; BS in CS/CE/EE; strong C/C++/Java/Python; CUDA; Docker; REST APIs; TS/SCI clearance; willing to travel; hybrid in Aberdeen, MD.
C, C++, Java, Python, Shell Scripting, Google Protocol Buffers, HTTP REST APIs, Docker, RPMs, CUDA
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Cloud Software Engineer CSWE2 - 27151
Hanover, Maryland, United States
OnsiteFull Time
Experience with Devops, Elastic Search, NiFi, Python, Java/Spring Boot, Angular.
Devops, Elastic Search, NiFi, Python, Java/Spring Boot, Angular
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Agile Developer 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOEActive TS/SCI with Full Scope Polygraph; Bachelor's or higher; 3 years of relevant experience (or Master’s +1); Java Spring Boot, AWS, CI/CD experience.
Java, Spring Boot, Python, AWS, REST, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, Lambda, Step Functions, S3, DynamoDB
1w
Save
Mark Applied
Hide
Software Engineer 3 - Linux/Bash/Python/Apache Airflow/SQL/Jupyter Notebook/NumPy/JSON
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteAll Commitments Available
9+ YOESenior software engineer with dataflow design, Spark-based processing, and data governance experience; security clearance required; US citizen.
Linux, Bash, Python, Java, Apache Airflow, Apache Spark, SQL, MySQL, MariaDB, PostgreSQL, Jupyter Notebook, pandas, NumPy, Parquet, JSON, CSV, XML, Git, SLURM, Jira, Confluence
5d
Save
Mark Applied
Hide
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
17h
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Senior Software Developer
Richmond or Baltimore or Nashville or Mechanicsburg or Raleigh
$105k-$145k/yr HybridFull Time
5+ YOESenior software developer with 5+ years of experience in full-stack design and geospatial applications.
SQL, C#, Java, Python, HTML, CSS, JavaScript, ASP.Net Core, Angular, React, Vue.js, Esri software
2mo
Save
Mark Applied
Hide
CNO Developer (Onsite)
Annapolis Junction or United States
OnsiteFull Time
4+ YOEBachelor’s degree and 4+ years’ experience or 8+ years in relevant field; strong programming in multiple languages; CNO tool development; US Government experience preferred.
Python, C, C++, Java, Perl, Assembly, Bash, PowerShell, Visual Studio, .NET, UNIX makefiles, IDA Pro, Ghidra, OllyDbg, Git
2mo
Save
Mark Applied
Hide
HIT Integration Developer
Woodlawn, Maryland, United States
$144k-$197k/yr OnsiteFull Time
1+ YOEExperience in IT health interoperability, APIs, and AI in healthcare; knowledge of FHIR/HL7; programming in Python/Java/JavaScript; GS-14/15 level experience.
Python, Node.js, Java, J2EE, JavaScript, SOAP/REST, XSLT, XML, JSON, Machine Learning
2mo
Save
Mark Applied
Hide
Senior Software Engineer (Hybrid) - 27020 (Columbia, MD, Maryland, United States)
Columbia, Maryland, United States
$138k-$200k/yr HybridFull Time
9+ YOE9+ years backend software engineering; proficient in Java, Python, or Go; experience with Trino, Kubernetes, Airflow, and PostgreSQL; strong problem-solving and collaboration skills; willingness to work hybrid in Columbia, MD.
Java, Python, Go, Trino, Kubernetes, Airflow, PostgreSQL, Keycloak, REST APIs, CI/CD
2mo
Save
Mark Applied
Hide
Application Developer 3
Columbia, Maryland, United States
OnsiteFull Time
12+ YOEActive TS/SCI clearance with poly; 12+ years of software engineering experience with a B.S. (or 10+ years with an M.S.); experience in C/C++, Python, Rust, Go; reverse engineering; SIGINT and CNO domains; strong problem solving.
C, C++, Python, Rust, Go, Ghidra, Java, JavaScript, Bash, Assembly, PowerShell, Perl, C#, Git, Subversion, Jira, Confluence
2mo
Save
Mark Applied
Hide
2908 Software Integration Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
8+ YOEActive Secret clearance; 8-10 years systems engineering; Agile; DevSecOps tools; scripting; Java stack; strong communication.
JIRA, Confluence, Bamboo, Jenkins, Python, Bash, Java, Spring MVC, jQuery, Thymeleaf, AJAX, Bootstrap, CSS
4d
Save
Mark Applied
Hide
Senior Signals Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
7+ YOEBachelor's degree in CS or related field; 7+ years as Signals Software Engineer with RF focus; C++/Java; Linux exposure; signal processing.
C++, Java, Linux, Python, Git, ClearQuest, Trac, Subversion, Matlab, SIMULINK
HiringCafe market data
Java Python Developer Jobs market signals in Littlestown, PA, 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
330+
Hiring companies
100+
Fresh sample
42% new in 30d
Salary visibility
63% show pay
Companies appearing in this market
ARSIEMConstellation TechnologiesEnvision Innovative SolutionsJohns Hopkins University Applied Physics LaboratoryMarkonMomentum EngineeringPeratonProSync Technology Group
Work location mix in visible results
Onsite: 83Hybrid: 8Remote: 1