79 python and java developer jobs at 29 companies in Washington, DC
3w
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Java Full Stack Engineer with Python and AWS
Plano or Raleigh or Reston or Richardson or Tempe
OnsiteFull Time
Proficiency in Java, Python and AWS; experience with Spring, Angular, AWS core services and CI/CD; bachelor's degree or equivalent; strong communication and SDLC experience.
Java, Python, AWS, EC2, SNS, SQS, Lambda, CloudWatch, Spring, Spring Boot, Angular, GitLab, Terraform
1mo
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Software and Systems Integration Engineer
Dahlgren, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years developing/integrating/testing software systems; proficiency with Python, Go, Java, C#, or C++; experience with APIs, databases, Git, Linux; TS/SCI clearance and Bachelor's in a STEM field required; travel up to 25%.
Python, Go, Java, C#, C++, Git, Linux, Docker, Kubernetes, CI/CD
4w
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Secure Systems Research and Development Engineer
Reston or Annapolis Junction or State College
$92k-$201k/yr HybridFull Time
0+ YOEBachelor's in Engineering/Science required; experience 0–5+ years depending on level. Requires software/system engineering, embedded/cloud development, Windows/*NIX administration, programming in C/Java/Python, cybersecurity testing knowledge, and active Secret clearance; U.S. citizenship required.
C, Java, Python, Ansible, JIRA, Confluence, Arduino, STM32, Raspberry Pi, Oscilloscope, SpecAns, SDR
2mo
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Full Stack Developer with Cloud and DevOps Experience
Bethesda, Maryland, United States
$98k-$163k/yr OnsiteFull Time
5+ YOEFull stack developer with cloud and DevOps experience; skilled in Python/Django, Java Spring Boot, Node.js; AWS, MongoDB, Selenium; CI/CD; NIH security requirements.
Python, Django, FastAPI, Java, Spring Boot, Quarkus, Node.js, Express, NestJS, React, Angular, AWS, MongoDB, PostgreSQL, Oracle, MySQL, Selenium, Git, GitHub Actions, Jenkins, Docker, Kubernetes, Terraform, AWS CloudFormation, OAuth2.0, SSO, USWDS, NIH security
2mo
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Software Developer II (Kubernetes and Integration Specialist)
Manassas or Chantilly or Virginia
$69k-$166k/yr OnsiteFull Time
2+ YOEActive DoD Secret clearance, 2+ years software development experience (Bachelor's) or 0–2 with Master's; Kubernetes/Docker, Python/C++/Java/Go, REST APIs, CDI familiarity, local to Northern Virginia with ~10% travel, ability to integrate software into naval systems.
Kubernetes, Docker, Python, C++, Java, Go, REST APIs, microservices, composable and disaggregated infrastructure (CDI)
1mo
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Principal Solutions Developer , Prototyping and Customer Engineering (PACE)
Boston or Austin or Arlington or Seattle or New York or Herndon or Chicago or San Francisco or Dallas
$183k-$284k/yr OnsiteFull Time
15+ YOE15+ years technical experience, bachelor's in CS/engineering/math (or equivalent), expertise in cloud architecture and CXO engagement, experience developing end-to-end solutions, programming with Python/JavaScript/Go/.Net/Java, EMR of distributed systems.
Python, JavaScript, Go, .Net, Java, AWS
2w
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Lead Data Engineer - Data Publication and Transformation
Richmond or McLean
$179k-$205k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years application development, 2+ years big data, 1+ year cloud experience; proficiency in Python/Java/Scala, distributed data tools, SQL/NoSQL, UNIX/Linux, Agile practices.
Java, Scala, Python, Golang, AWS, Microsoft Azure, Google Cloud, Redshift, Snowflake, MapReduce, Flink, EMR, Kafka, Spark, MySQL, PostgreSQL, DynamoDB, SQL, UNIX, Linux
1mo
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Software and Systems Integration Engineer
Dahlgren, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years developing/integrating/testing software systems; proficiency with Python/Go/Java/C#/C++; Git and Linux experience; TS/SCI clearance; bachelor's degree in a STEM field; up to 25% travel.
Python, Go, Java, C#, C++, Git, Linux, APIs, databases, messaging systems, Docker, Kubernetes, CI/CD, DT&E
1d
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Developer – Ops and Sustainment
Arlington, Virginia, United States
OnsiteFull Time
4+ YOEBachelors in CS/IT or related, 4+ years software development experience, API and integration experience, familiarity with identity (Okta, OAuth, OIDC, SAML), database and SQL skills, Git experience, U.S. citizenship and ability to obtain Public Trust/Secret clearance.
Okta, OAuth, OpenID Connect, SAML, Java, C#, .NET, JavaScript, TypeScript, Python, SQL, Git, GitHub, GitLab, Azure DevOps, AWS, Microsoft Azure, Google Cloud Platform, ServiceNow, SharePoint, Power Platform
1mo
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Automation and Analytic Modeling Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in a technical field, 9+ years supporting intelligence/defense/GEOINT programs, TS/SCI clearance, experience with analytic modeling, automation of collection/PED workflows, and scripting in Python, R, MATLAB, or Java.
Python, R, MATLAB, Java
3w
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Cloud Data and AI Engineer, Professional Services
Reston, Virginia, United States
$127k-$183k/yr OnsiteFull Time
3+ YOEUS citizen required; Bachelor\u0002s or equivalent; 3+ years software development (Python, Java, C++, etc.); experience implementing data and AI solutions including LLMs; EM/DB knowledge; active Secret clearance; willing to travel up to 30%.
Python, Java, C++, Golang, Large Language Models (LLMs), RDS, Aurora, ElastiCache, CloudSQL, AlloyDB, Datastore, Bigtable, ETL, ELT, Google Cloud Platform
2mo
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NLM Bioinformatics Specialist and Developer (SME) I - III
Bethesda, Maryland, United States
$90k-$135k/yr OnsiteFull Time
4+ YOESME I-III with Python, ML/NLP, biomedical informatics; experience in software development and data analytics.
Python, Java, C++, R, JavaScript, SQL, MATLAB, NLP, ML, DL, SDLC, OWASP, US-CERT
1mo
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Automation and Analytic Modeling Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in a technical field, 9+ years supporting intelligence/defense/GEOINT programs, TS/SCI clearance, experience with analytic modeling, automated workflows, scripting (Python, R, MATLAB, Java), and machine learning/data engineering.
Python, R, MATLAB, Java
2w
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Automation and Analytic Modeling Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in a technical discipline,9+ years supporting GEOINT/defense/intelligence programs,experience with analytic modeling,automation workflows,and scripting (Python,R,MATLAB,Java);US citizenship and active TS/SCI plus polygraph required.
Python, R, MATLAB, Java
2w
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Test and Integration Engineer
Denver or Sterling
$63k-$130k/yr HybridFull Time
3+ YOEU.S. citizen with TS/SCI clearance (or ability to obtain),3+ years in software testing/QA/DevOps,knowledge of CI/CD,containerization,Kubernetes,Linux,ability to read code (Java/Python),and strong analytical and communication skills.
GitLab, Helm, Kubernetes, Karate, Gherkin, Jenkins, GitLab CI, ArgoCD, Terraform, Dagger, Grafana, Kibana, Prometheus, Elasticsearch, AWS, Bash, Python, PostgreSQL, Redis, GitHub Copilot, ChatGPT
1mo
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Software and AI/ML 2026
Bethesda or Maryland
$60k-$106k/yr OnsiteFull Time
Design, develop, and test software and AI/ML solutions; experience with Java, .NET, C/C++, Python; agile development and collaboration with data scientists; government clearance may be required.
Java, .NET, SharePoint, Embedded C/C++, Python, C++, Linux, Windows, macOS
1mo
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(USA) Systems and Infrastructure Engineer III, Information Security
Herndon or Bentonville
$108k-$216k/yr OnsiteFull Time
2+ YOE3–5 years engineering experience (SRE/platform/infrastructure) or equivalent; experience with CLM/PKI/TLS; proficiency in Java, Python, or Go; familiarity with observability, cloud (GCP or Azure), and containerized environments.
Java, Python, Go, GCP, Azure, PKI, TLS, SSH
5d
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Lead Software Developer- Onsite at Fort Belvoir, VA (Top Secret/SCI and CI Poly is Required)
Fort Belvoir, Virginia, United States
OnsiteFull Time
8+ YOE3+ MgmtActive TS/SCI with CI Polygraph, Bachelor's degree in CS or related,8+ years software development,3+ years technical leadership,proficiency in Python/Java/C++/JavaScript,Git,Docker,Kubernetes,SQL/NoSQL,Agile,secure coding.
Python, Java, C++, JavaScript, Git, Docker, Kubernetes, SQL, NoSQL
1mo
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Guidance, Navigation, and Control (GN&C) Engineer
Greenbelt, Maryland, United States
$80k-$120k/yr OnsiteFull Time
Bachelor's in aerospace/physics/astronomy or equivalent, GN&C experience with spaceflight hardware, MATLAB/SQL/Java/Python skills, strong analytical and communication skills, US citizenship and ability to obtain Public Trust clearance, 24x7 on-call support.
MATLAB, SQL, Java, Python, Git, Jira
1w
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Cloud Software and Support Engineer - Early Career
Hanover or United States
$69k-$142k/yr HybridFull Time
3+ YOEBA/BS in CS or related,3+ years cloud software engineering experience,proficiency with Go/Python/Java/Node.js/Bash,knowledge of AWS and identity tools,ability to work East Coast business hours,eligible for DoD clearance.
Go, Python, Java, Node.js, Bash, JSON, YAML, Windows, Linux, AWS, EC2, VPC, IAM, AWS Workspaces, Okta, Active Directory, SSO, MFA, Jira, GitLab, Argo, Jenkins, RDBMS, NoSQL, SQL, Kubernetes, OpenShift
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