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Java Python Developer Jobs in Charles Town, WV, US
830+ java python developer jobs from 180+ companies hiring in Charles Town, WV, US.
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RPA Developer (Robotic Process Automation, Associate)
Arlington, Virginia, United States
$122k-$131k/yr HybridFull Time
7+ YOE7+ years relevant experience; federal financial/business processes knowledge; 1-3 years in systems development; 1 year RPA bot development; strong analytical and communication skills.
UiPath, Automation Anywhere, Blue Prism, Kofax, SQL, NoSQL, C#, Visual Basic, Python, JavaScript, Java, .NET, REST APIs
3w
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Machine Learning Engineer - Secure AI Lab
Pittsburgh or Arlington
OnsiteFull Time
8+ YOEExperience in machine learning, AI, software engineering; on-site work in Pittsburgh or Arlington; ability to work with government sponsors and ensure secure AI.
TensorFlow, PyTorch, Torch, Caffe, Python, C++, Java, ETL, data pipelines
3w
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Site Reliability Engineer
Frederick, Maryland, United States
OnsiteFull Time
6+ YOE6+ years in DevOps/SRE with monitoring; 4+ years Linux; IaC on cloud; CI/CD; Python/Bash; AI/DevOps; containers; security basics.
Prometheus, Grafana, ELK, Splunk, Terraform, Ansible, Chef, Puppet, Jenkins, GitHub Actions, Docker, Kubernetes, Python, Bash, PowerShell, Node.js, Java, .NET Core, SQL, NoSQL
1w
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Systems Integration Engineer
Reston, Virginia, United States
OnsiteFull Time
1+ YOEActive TS/SCI with CI Poly; onsite in Reston, VA; strong Linux, Python; NiFi, Grafana; REST APIs; 8570 IAT Level 2; ability to work independently or in a team.
Python, Bash, PowerShell, Java, JavaScript, HTML, CSS, Linux, Grafana, Apache NiFi, Ansible, Active Directory, MongoDB, PostgreSQL, Oracle DB, Visio
2w
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Senior Full Stack Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOE10+ years software development; AI/ML exposure; Bachelor's in CS/IT/Engineering; strong troubleshooting, architecture, DevOps, security, and communication skills.
Java, Python, JSP, Node.js, jQuery, Tomcat, SQL, ETL, AI/ML, Git, CI/CD, DevOps, Cloud
1w
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Systems Integration Engineer (Government)
Reston, Virginia, United States
$108k-$190k/yr OnsiteFull Time
1+ YOETS/SCI with polygraph, bachelor’s degree or 1 year experience, Linux CLI, Python, strong troubleshooting, ability to work independently or in a team, 8570 compliance.
Python, Bash, PowerShell, Java, JavaScript, HTML, CSS, Apache NiFi, Grafana, Ansible, Active Directory, VMware, Nutanix, Oracle DB, MongoDB, PostgreSQL, MySQL, REST APIs, Linux, Windows Server
6d
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Health Data Engineer - Mid
Tysons, Virginia, United States
$91k-$116k/yr OnsiteFull Time
5+ YOE5+ years data engineering experience; healthcare data experience preferred; strong SQL/NoSQL, ETL/ELT, cloud platforms, Python/Scala; HIPAA knowledge.
SQL, PostgreSQL, MongoDB, Snowflake, Redshift, BigQuery, Databricks, Apache Spark, Apache Airflow, Talend, NiFi, AWS, Azure, Google Cloud, AWS Glue, S3, Athena, Python, PySpark, Java, Scala, Docker, Kubernetes, Tableau, Power BI
2w
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Senior Systems Engineer
Bethesda, Maryland, United States
$160k-$235k/yr HybridFull Time
12+ YOEBS in Engineering or related field with 12+ years in software development or systems engineering; active Top Secret/SCI with polygraph; agile, MBSE; leads scrum.
Gitlab, JIRA, Confluence, MBSE, Python, Java, React, Linux, Red Hat, CentOS, Oracle Linux, Jenkins, Bamboo, MVC, SQL
2mo
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26-1084 - Full Stack Software Engineer - Herndon, VA
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEMid level full stack engineer with 3+ years, strong React/Node.js, Spring Boot, AWS, Docker/Kubernetes, SQL/NoSQL, and Secret clearance.
React, Node.js, Spring Boot, Java, Python, SQL, NoSQL, Oracle, PostgreSQL, Aurora, DynamoDB, Docker, Kubernetes, AWS, Git, Jenkins, Unix Bash, Angular, Bootstrap, REST APIs, Cloud Compute
3w
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AI/ML Data Architecture Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
3+ YOEBachelor's in CS/IS/CE; 3 years experience; DoD Secret Clearance; data warehousing, APIs, databases, prototyping.
Atlassian Tool Suite, Git, Linux, C++, Java, Python, Kafka, Spark, Iceberg, OpenMetadata, Ranger, Ceph, S3, MinIO, Parquet, REST, Nessie, Druid, Trino, Metabase, MLLib, Superset, Kubernetes, RKE2, Helm, AI/ML APIs, SparkML
17h
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Senior IT Associate-Software Technical Lead (Contingent)
Bethesda, Maryland, United States
$114k-$135k/yr HybridContract
10+ YOE10+ years in software development; full-stack exp; TypeScript/Python/React/Vue; APIs with Java/Node.js; Docker/Kubernetes; Agile/DevOps.
TypeScript, Python, React, Vue.js, Java, Node.js, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI
2w
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Awesome Full Stack Software Engineer (2+ years - Senior Level)
Arlington or Reston
HybridFull Time
2+ YOE2+ years professional experience; proficient in at least one OO language; MVC framework experience; relational DB; Linux; HTTP/REST/HTML/CSS/JS.
Java, Python, C#, C++, Spring, Django, Flask, Rails, MySQL, PostgreSQL, SQLite, Linux, HTTP, REST, HTML, CSS, JavaScript, React, Angular, Vue.js, Bootstrap, Less, Elasticsearch, MongoDB
2mo
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Senior AI/ML Modeling, Simulation & Analysis Engineer (Part-Time)
Chantilly or Springfield
OnsitePart Time
Active TS/SCI clearance; MS in Computer Science, AI/ML, Computer Vision, or related STEM; experience in AI model verification, validation, and evaluation; AI Assurance and Explainable AI; proficiency in Python, C++, MATLAB, R, or Java; experience with AI/ML modeling and automation.
Python, C++, MATLAB, R, Java
1w
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Senior Systems Engineer - TS/SCI
Bethesda, Maryland, United States
$131k-$237k/yr OnsiteFull Time
12+ YOESenior Systems Engineer with 12+ years in software development or systems engineering; TS/SCI clearance with polygraph; BS degree or equivalent; leadership of scrum teams; MBSE experience.
Gitlab, JIRA, Confluence, MBSE, Python, Java, React, Linux, Jenkins, Bamboo
8h
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Application Security Engineer (Veracode) — Federal DevSecOps
Fairfax or United States
RemoteFull Time
6+ YOE6+ years IT experience; 3+ years SAST/DAST; 2+ years coding in Python/Java/.NET/C#; 3+ years designing enterprise security controls; US citizenship and Public Trust suitability.
Veracode, Burp Suite Enterprise, GitHub Actions, Dependabot, Contrast (IAST), Selenium, EntraID, OWASP ZAP
4d
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Cybersecurity Engineer, Senior Manager
San Antonio or Arlington
$164k-$225k/yr HybridFull Time
Bachelor’s in CS/Cybersecurity; leadership experience; strong knowledge of NIST/CMMC and STIGs; expert Linux security; architect and lead secure infra.
Linux, RHEL, NIST, CMMC, STIGs, CI/CD, Docker, AWS, VMware, Proxmox, Java, Golang, Python, NodeJS, SAST tools
2mo
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Lead DevOps Engineer
McLean or Memphis or Dallas
HybridFull Time
5+ YOE1+ MgmtFive years of technology experience; four years with CI tools (GitLab preferred); four years automating delivery; three years Kubernetes; three years AWS; scripting in Bash; on-call reliability support; hybrid role near Memphis, Dallas, or McLean.
Kubernetes, AWS, GitLab, Bamboo, Docker, Terraform, Groovy, Shell, Python, Java, JavaScript
2w
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Sr Operations Research Analyst/ Sr Systems Engineer (Onsite)
Arlington, Virginia, United States
$96k-$182k/yr OnsiteFull Time
5+ YOEBachelor's in STEM and 5+ years of relevant experience; U.S. citizenship; secret security clearance requirement; Python/Shell/Perl; DoD operations analysis/wargaming; ability to obtain/maintain interim secret clearance.
Python, Shell, Perl, C/C++, Java
3w
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Full Stack Developer w/Ruby on Rails
Vienna, Virginia, United States
$112k-$130k/yr RemoteFull Time
3+ YOE3+ years of experience; full stack dev with frontend and backend tech; Ruby on Rails experience; Agile; strong communication; Git; AWS knowledge preferred.
HTML, CSS, JavaScript, React, Ruby, Java, Python, Oracle, PostgreSQL, Git, GitHub, GitLab, Bitbucket, AWS
1w
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Sr Engineer, Machine Learning Engineering
Bellevue or Atlanta or Herndon or Overland Park
$127k-$229k/yr OnsiteFull Time
5+ YOESenior ML engineer with LLM deployment experience; 5+ years end-to-end ML pipelines; 3+ years MLOps; cross-functional collaboration.
Python, R, Java, Scala, Go, PyTorch, TensorFlow, LangChain, Hugging Face, GPT-4, transformers
2d
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Software Testing Principal
Bethesda, Maryland, United States
RemoteFull Time
10+ YOEStrong programming in C#, Java, or Python; proven track record on complex software projects; experience in manual and automated testing; Agile/Scrum and SDLC knowledge.
C#, Java, Python, Selenium, TestNG, JUnit, QTP, LoadRunner, CI/CD, GitHub Actions, JIRA, Bugzilla, JMeter, Gatling, SQL, AWS, Azure
2mo
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Sr. ETL/SQL Engineer
McLean, Virginia, United States
$110k-$150k/yr OnsiteFull Time
8+ YOE8+ years ETL/SQL, database design, SQL tuning, data security; able to obtain government clearance; Bachelor's in CS/IS/Engineering or equivalent.
Java, Python, C#, JavaScript, AWS, Azure, Git, Jira, Jenkins, Docker, Kubernetes
4d
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Senior Principal Software Engineer
New York City or Boston or Atlanta or Arlington or Miami or O'Fallon or San Francisco
$212k-$407k/yr HybridFull Time
Senior technical leadership; cloud-native platforms; distributed systems; real-time AI/ML inference; API design; data pipelines; MLOps; strong communication.
Java, Go, Python, AWS, Azure, GCP, Distributed Systems, Microservices, APIs, Data Pipelines, MLOps, Real-time Inference
1w
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DevOps Cloud Engineer (Herndon, VA, US)
Herndon, Virginia, United States
OnsiteFull Time
DevOps/cloud infrastructure expert with GCP, Kubernetes, CI/CD, GitOps.
Google Cloud Platform, Kubernetes, Terraform, ArgoCD, GitHub, GitHub Actions, Node.js, Go, Python, Java
2w
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Automated Tester
Fairfax, Virginia, United States
OnsiteFull Time
5+ YOE5+ years software testing, 2+ years automated testing; Selenium/Cypress/Playwright; QA/SDLC/Agile; CI/CD; Git; languages: JavaScript/Python/Java/C#
Selenium, Cypress, Playwright, Azure DevOps, Git, GitHub Actions, Jenkins, CI/CD, JavaScript, Python, Java, C#
2w
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Information Systems Security Engineer (ISSE)
Lorton or Falls Church
OnsiteFull Time
7+ YOE7+ years in cybersecurity, IT, or systems engineering; SAPs experience; strong RMA and risk quantification; excellent communication.
Java, Python, Ruby, C++, Linux (RedHat/RHEL/CentOS), OWASP ZAP, BurpSuite, Fortify, Checkmarx, Docker, EC2, Twistlock, ACAS/Nessus, ISSEP, CISSP, CCSP, DITSCAP, DIACAP
3w
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Associate Machine Learning Engineer - Secure AI Lab
Pittsburgh or Arlington
OnsiteFull Time
3+ YOEBachelor's in CS/stats/ML/EE with 3+ years experience; or MS with 1+ year; or PhD in a related field. Willing to work onsite in Pittsburgh, PA or Arlington, VA.
TensorFlow, PyTorch, Torch, Caffe, Python, C/C++, Java
1mo
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UICC Engineering Intern (Dulles, VA, US)
Dulles, Virginia, United States
OnsiteInternship
0+ YOECurrent college student pursuing a Bachelor's or Master's in computer science/engineering; 2 years completed. Proficient in C++, Java, Python, C#; experience with SQL databases; proficient with Microsoft Office; good written and verbal communication; able to work independently.
C++, Java, Python, C#, SQL, MySQL, Microsoft Office
1w
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Senior DevOps Engineer - Build / Environment Manager
Arlington, Virginia, United States
HybridFull Time
10+ YOESenior DevOps and Cloud Engineering with 10+ years of experience; strong AWS expertise; lead DevOps function; CI/CD, infrastructure as code, security, observability; collaboration across teams.
GitHub Actions, Terraform, AWS CDK, Serverless Stack (SST), Ansible, CloudFormation, Docker, Kubernetes, Cloudflare, Prometheus, Grafana, Nagios, ELK Stack, Python, PowerShell, JavaScript, Java, Git
1mo
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Genomics Computational Systems Biologist
Frederick, Maryland, United States
$140k-$160k/yr OnsiteFull Time
5+ YOEMaster's degree in biomedical science, bioinformatics, math, or computer science; 5+ years experience; HPC, Linux, scripting; NGS data analysis; Python/Perl/Shell/R/C++/Java; U.S. citizen; Tier 1 background check; travel.
HPC, Linux, Python, Perl, Shell, R, C++, Java, Next Generation Sequencing, Oxford Nanopore, Illumina, Pipeline automation, Bioinformatics tools
1mo
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Computer Science Teacher - Upper School
Bethesda, Maryland, United States
$70k-$100k/yr OnsiteFull Time
Teach Upper School CS to grades 9-12; develop and implement CS curriculum; bachelor’s degree; experience teaching programming (Python, JavaScript, Java); collaborate across grades.
Python, JavaScript, Java
3mo
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Principal Software Engineering Architect, Information Security
Reston or Chicago or Greenwood Village or Boca Raton or New York or White Plains
$169k-$281k/yr HybridFull Time
10+ YOE10+ years in software development, architecture, and DevOps; cloud-native and hybrid security solutions; IaC tools; strong Python/Go/Java/C#/C++; security SDLC; analytics and telemetry.
AWS, Azure, GCP, Terraform, CloudFormation, Harness, Python, Go, Java, C++, C#, Power BI, ElasticSearch, Snowflake, Kafka, AirFlow
6h
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Software Development Intern
McLean, Virginia, United States
HybridInternship
0+ YOEPursuing a Bachelor’s or Master’s degree in CS/SE/Data Science; basic ML concepts; proficient in at least one language (Python preferred); familiarity with ML libraries; strong problem-solving and teamwork.
Python, Java, C++, TensorFlow, PyTorch, scikit-learn, Pandas, Matplotlib, Git, AWS, Azure, GCP
1d
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Intelligence Management Specialist
Reston, Virginia, United States
OnsiteFull Time
3+ YOEActive TS/SCI clearance with CI poly; 3+ years in knowledge sharing, information systems integration, and SharePoint development; experience with Java, Python, JavaScript, HTML/CSS; data visualization in Tableau/Power BI.
SharePoint, Java, Python, JavaScript, HTML, CSS, Tableau, Power BI
3w
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GIS Analyst/Sr. GIS Programmer – Towson, MD
Falls Church, Virginia, United States
HybridFull Time
5+ YOEFive years+ in development using Java/.NET, JavaScript, HTML, C#, Python; ArcGIS Server and related ArcGIS tech; SQL/SSRS; strong problem solving and communication.
ArcGIS Server, ArcGIS API for JavaScript, ArcGIS Web AppBuilder, ArcGIS ModelBuilder, ArcGIS Mobile, CityWorks, Visual Studio 2010, ArcObjects SDK, SQL, SSRS, Oracle, SQL Server, Python, C#, JavaScript, HTML
1mo
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Principal Applied ML Researcher (Agentic Systems & Applied AI Platform)
Seattle or McLean
$230k-$300k/yr HybridFull Time
12+ YOELead ML/LLM strategy; 12+ years in production ML; strong Python and systems skills; enterprise AI delivery.
Python, Java, C++, Cloud, Containerization, APIs
1mo
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Principal Applied ML Researcher (Agentic Systems & Applied AI Platform)
Seattle or McLean or United States
$230k-$300k/yr RemoteFull Time
12+ YOE12–15+ years in ML; Python plus systems languages; deep ML/LLM, prompt engineering, multi-agent orchestration; experience shipping enterprise AI; production ML lifecycle; regulated deployments; strong technical leadership.
Python, Java, C++, APIs, Cloud platforms, Docker, Kubernetes, LLMs, Agent orchestration, Memory management
2mo
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Intern (Application Development)
Reston, Virginia, United States
$19-$23/hr RemoteFull Time
Pursuing a degree in Computer Science, Software Engineering, Information Systems or related field; strong communication and technical writing; team collaboration; detail-oriented; able to work independently.
HTML, CSS, JavaScript, .NET, Python, C#, Java, Node.js, Okta, OAuth 2.0, OpenID Connect, Azure DevOps, Git, AWS, GitHub Copilot, Cursor
1mo
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BioInformatics Analyst
Silver Spring, Maryland, United States
OnsiteFull Time
3+ YOEMasters in bioinformatics or related field; 2-3 years NGS data analysis; software development lifecycle experience; programming in R, Python, SQL; HPC experience; knowledge of biomedical ontologies; strong communication.
R, PHP, JavaScript, Perl, Python, SQL, Shell Scripting, Java, HPC, SLURM, Linux, macOS, Windows, UMLS, RxNorm, SNOMED CT
2mo
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Director, Software Implementation Teams Lead – Corporate Platform Application
Centreville or London or Columbia
HybridFull Time
7+ YOE2+ MgmtLead platform modernization, migration, and consolidation; manage engineering teams; ensure reliability and security of enterprise platforms.
Java, C#, Python, Go, TypeScript
HiringCafe market data
Java Python Developer Jobs market signals in Charles Town, WV, 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
830+
Hiring companies
180+
Fresh sample
68% new in 30d
Salary visibility
45% show pay
Companies appearing in this market
TransUnionCarnegie Mellon UniversityKarsun SolutionsKBRRTXSyms Strategic GroupAbsolute Business Solutions CorpAlpha Omega
Work location mix in visible results
Onsite: 26Hybrid: 15Remote: 6