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Java Python Developer Jobs in Saint James, MD, US
290+ java python developer jobs from 100+ companies hiring in Saint James, MD, US.
1mo
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Senior Software Development Engineer - US Federal
McLean or Reston
$164k-$246k/yr OnsiteFull Time
8+ YOESecurity clearance TS/SCI w/ CI Poly; 8+ years in UML/Web app/SaaS; OO languages Java/Python/C#/C++; 8+ years designing/developing business apps; agile experience; JSON/REST/GraphQL; design patterns.
JSON, REST, GraphQL, UML, Java, Python, C++, C#
1mo
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Senior Software Engineer (Big Data)
Herndon, Virginia, United States
OnsiteFull Time
TS/SCI clearance with polygraph preferred; BS in CS/Engineering or related field; strong full stack development; big data tech (Hadoop, Spark, Kafka); Java/Python/C#; APIs and microservices; strong problem-solving; able to work independently (IC)
Java, Python, C#, Hadoop, Apache Spark, Kafka, APIs, Microservices, REST
6d
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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
1w
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Software Engineer/ Full Stack Developer
Chantilly, Virginia, United States
OnsiteFull Time
Experience with big data tech (Spark/PySpark); Solr/Elasticsearch; data quality analysis; RegEx; Java, JavaScript, Bash, Python; AWS; Java 8+; Jira and GitHub; Spring Boot; REST APIs; Linux (CentOS); middleware/backend development; TS/SCI clearance.
Spark, PySpark, Solr, Elasticsearch, RegEx, Java, JavaScript, Bash, Python, AWS, Spring Boot, REST, Linux, CentOS, Jira, GitHub
1mo
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Software Engineer SME
Herndon, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years backend software/platform experience; strong Java, Ansible/Python, Postgres/MySQL/MariaDB, Linux, AWS; microservices and RESTful APIs; cloud deployment; containerization; Git workflows; TS/SCI with Poly clearance required; BSCS or equivalent.
Java, Ansible, Python, PostgreSQL, MySQL, MariaDB, Linux, AWS, Git, GitLab, GitHub
2w
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
4+ YOE4+ years in data engineering, software development, or programming; strong SQL; Python or Java; Big Data experience; RESTful APIs; ETL; Linux.
Python, Java, SQL, JDK, J2EE, EJB, JDBC, Spring, Apache Airflow, RESTful APIs, ETL, Linux
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
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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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
23h
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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
5d
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Software Engineer SME (TS/SCI with Poly Required)
Dulles, Virginia, United States
$187k-$318k/yr OnsiteFull Time
15+ YOE15+ years in software engineering; TS/SCI with poly; US citizenship; BA/BS; experience with Java/Spring, Python, React, databases, AWS.
Java, Spring, Spring Boot, Spring Security, Python, JavaScript, TypeScript, React, Elasticsearch, PostgreSQL, MySQL, PL/SQL, AWS, Git, Jenkins, CI/CD, REST APIs, MQ, Service Bus
1mo
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Staff Engineer Software
Dulles, Virginia, United States
OnsiteFull Time
12+ YOEBachelor's with 12 years or Master 10 years or PhD 7 years; active DoD Top Secret clearance; strong experience in C/C++, Java, Python; Docker/Kubernetes; Linux; CI/CD; Agile; prior leadership.
C/C++, Java, Python, Docker, Kubernetes, Linux, Jenkins, GitLab
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
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
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 Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Java, Spring Boot, AWS backend; DevSecOps; Scrum; REST APIs; EC2, Git, Jenkins, CloudFormation; XML/JSON/YAML; team collaboration.
Java, Spring, AWS, Git, Jenkins, Rundeck, CloudFormation, REST API, Docker, Kubernetes, Python, Elasticsearch, Kibana, XML, JSON, YAML, IAM, Zero Trust, EC2
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
3mo
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Jr Level Software Developer
Columbia, Maryland, United States
$94k-$144k/yr OnsiteFull Time
7+ YOESecurity clearance with poly required; 7+ years as a software engineer or 4+ years with degree substitution; BS in CS or related field, or equivalent experience; strong Java, REST, Agile, Git, and IDE skills.
Java, REST, Agile, Atlassian tools, Git, IntelliJ, Eclipse, Kotlin, Mongo, Spring, Spring Boot, Python, Kubernetes, NiFi, RabbitMQ
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
1w
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Senior Engineer-5
Bethesda, Maryland, United States
$105k-$215k/yr HybridFull Time
4+ YOE4+ years software development; strong experience with C#, Java, TypeScript, JavaScript, Python, or Golang; microservices architecture; cloud (AWS, GCP, Azure); DevOps; security; CI/CD; containers (Docker, Kubernetes).
Python, C#, TypeScript, JavaScript, Java, Golang, Docker, Kubernetes, Terraform, Azure, AWS, GCP
1mo
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DevOps Engineer
Herndon or Springfield
OnsiteFull Time
DevOps engineer with Kubernetes, Linux/Windows, Java development, TS clearance, US Citizenship.
Kubernetes, Docker, Jenkins, Git, Python, Java, ArcGIS, Linux, Windows
2w
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Senior Full Stack Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOESenior full stack developer with 10+ years of software development, AI/ML exposure, and ability to lead modernization efforts.
Java, Python, Node.js, JSP, Tomcat, jQuery, SQL, ETL, APIs, CI/CD, Cloud
1mo
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Missionforce - Associate Forward Deployed Engineer (FDE), Public Sector
Washington or Herndon
$96k-$177k/yr HybridFull Time
3+ YOE3-7 years software engineering or systems integration; CS background; proficiency in JavaScript/Java/Python/Apex; hands-on delivery of production solutions; AI/LLM experience; data integration/APIs; secure environment experience; travel 25-50%; US citizenship with security clearance.
JavaScript, Java, Python, Apex, Salesforce Platform, Data Cloud, LLMs, AI/ML
1w
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Knowledge Graph Engineer
Reston or Somerville
$140k-$170k/yr HybridFull Time
2+ YOE2–5 years software engineering; Python and at least one typed language; graph databases; SQL; cross‑team collaboration
Python, Java, Go, TypeScript, ArangoDB, Neo4j, TigerGraph, JanusGraph, NetworkX, SQL, BigQuery, Cloud Run, GCP
1mo
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Software Engineer (Salesforce)
Sterling, Virginia, United States
OnsiteFull Time
5+ YOE5+ years Salesforce development, full-stack, AWS DevOps, Kubernetes, CI/CD, GitHub, Health Cloud; TS/SCI with poly required.
Salesforce, Apex, Visualforce, JavaScript, Python, Java, AWS, Kubernetes, GitHub, CI/CD, Serverless, Health Cloud
1w
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AI Full Stack Engineer – Agentic Systems & Ontology
Bethesda or Grand Prairie or King of Prussia or Littleton or Moorestown or Orlando
$109k-$217k/yr RemoteFull Time
Full-stack development with Python and JS frameworks; knowledge graphs and ontologies; LLM/GenAI experience; cloud and on-prem; US citizenship; degree in CS/IT/Engineering/AI/ML or related.
Python, Java, C++, Go, JavaScript, React.js, Angular, REST, OpenAPI, JSON-Schema, GitOps, Cloud, AWS, RDS, PostgreSQL, Bedrock, EC2, S3, Knowledge Graphs, Ontologies, KG tools, Pydantic AI, LangChain, LangGraph, Terraform, Ansible, CI/CD, GitLab, Jenkins, Kubernetes, OpenShift, Vector Databases, Semantic Search, RDF, OWL, SPARQL, Ontop
2mo
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Application Developer I
Rockville, Maryland, United States
$65k-$82k/yr OnsiteFull Time
2+ YOEBachelor's in related field or equivalent experience; 2+ years in application/software development; strong coding skills; experience with Google Suite, MS Office, Mac OS and Windows; prior grocery retail exposure; detail-oriented with good communication; able to manage changing priorities.
Java, JavaScript, HTML, CSS, SQL, Python, Machine Learning frameworks, Prompt engineering, Google Workspace, Microsoft Office, Mac OS, Windows OS
2mo
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Cloud Computing Engineer
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOETS/SCI clearance with Polygraph; Bachelor's degree or equivalent in CS/CIS/CE; 10+ years software development experience; strong cloud, AWS, and security expertise; proficient in Java, Python, TypeScript; Unix/Linux; DevSecOps; RBAC; Agile experience.
AWS, S3, EC2, KMS, Lambda, MSK, SageMaker, Docker, Kafka, Kubernetes, Java, Python, TypeScript, Terraform, Cypher / Neo4j, RBAC, OAuth, Unix / Linux, MFA
2w
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Staff Software Developer (TS/SCI)
Herndon, Virginia, United States
$113k-$188k/yr OnsiteFull Time
5+ YOEUS citizen with TS/SCI clearance and CI poly, BS in CS/SE/IS or related, 5+ years software development, backend focus.
Java, Python, JavaScript, Spring Boot, Docker, Kubernetes, OpenShift, Rancher, Jenkins, Helm, Bash, Git, Bitbucket, Gradle, OpenSearch, Elasticsearch, PostgreSQL, Kibana
18h
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Software Developer in Test (SDET)
Ashburn, Virginia, United States
RemoteFull Time
10+ YOEStrong programming in C#, Java, or Python; experience in software testing; familiar with SDLC/Agile; US citizenship and Public Trust clearance; remote work.
Selenium, TestNG, JUnit, QTP, LoadRunner, GitHub Actions, JIRA, SQL, JMeter, Gatling
1mo
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Senior Software Developer - Clearance Required
Reston or Joint Base Anacostia-Bolling
HybridMultiple Commitments Available
6+ YOE6+ years in distributed software development; frontend tech stack (Vue, JavaScript, TypeScript); backend services; Agile; TS/SCI clearance preferred.
Vue, JavaScript, TypeScript, React, Angular, Linux, Git, Jira, Confluence, Artifactory, APIs, Relational databases, NoSQL, Agile, Security-focused development, CI/CD, Python, Java, Docker, Kubernetes, OpenShift, Jenkins, Keycloak, OAuth2, JWT, SonarQube, OWASP ZAP, Fortify, CI/CD pipelines, AWS, Azure, CI/CD
2mo
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Eng Sr Prin II - SW
Herndon, Virginia, United States
$147k-$249k/yr HybridFull Time
16+ YOE16+ years software development; Java and C#; React/Node/TypeScript/.NET; cloud environments; DevOps tools; Python or PowerShell; Windows and Linux; strong stakeholder collaboration.
Java, C#, React, Node.js, TypeScript, .NET, Jira, GitHub, Jenkins, Python, PowerShell, AWS, Azure, Google Cloud, Oracle, Windows, Linux
3w
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Lead Software Engineer - Gov Cloud
Reston, Virginia, United States
$130k-$195k/yr OnsiteFull Time
Secure, scalable software development; cloud automation; DevOps; Azure-focused; cross-functional communication.
Terraform, Ansible, ARM, Azure DevOps, C#, ASP.NET, Java, JavaScript, Python, Docker, AKS, Azure Functions, PowerShell, Bash, JSON, YAML
2w
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Jr DevSecOps Engineer
Reston, Virginia, United States
$70k-$100k/yr OnsiteFull Time
2+ YOE2+ years in DevOps/DevSecOps; hands-on AWS (CloudFormation, IaC); NIST 800-53; Zero Trust; Docker/Kubernetes; Python/Java; Linux; AI-assisted tooling; on-site Reston, VA; US citizen.
AWS, CloudFormation, Infrastructure as Code, CI/CD, Jenkins, GitHub Actions, Docker, Kubernetes, Python, Java, Bash, SAST, DAST, container scanning
1mo
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Modeling & Simulation Software Engineer
Chantilly or El Segundo
$117k-$176k/yr OnsiteFull Time
6+ YOEBachelor’s or graduate degree in CS, Software Engineering, Electrical Engineering, Physics, or related field; 6+ years of software engineering experience; strong Java and multi-threaded systems experience; hardware-software interfaces and physics-based simulation experience; willingness to obtain a U.S. government security clearance.
Java, Python, C, C++, Fortran, JSON, XML, Matlab
3w
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Platform Engineer Intern - Hybrid
Herndon, Virginia, United States
HybridInternship
0+ YOEPursuing a Bachelor’s or Master’s in CS/IT or related field; strong IAM knowledge; experience with Microsoft Entra ID, Azure B2C, or AWS IAM; scripting in Python/Java/Go.
Microsoft Entra ID, Azure B2C, AWS IAM, Python, Java, Go, GitHub, Terraform, PowerShell
1mo
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Systems Engineer
Fairfax or Ashburn
HybridFull Time
Bachelor's degree in a technical field; experience with software requirements, design, and Agile; strong communication; eligibility for public trust clearance.
C++, Java, Python, RHEL
HiringCafe market data
Java Python Developer Jobs market signals in Saint James, 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
290+
Hiring companies
100+
Fresh sample
52% new in 30d
Salary visibility
53% show pay
Companies appearing in this market
BAE SystemsGoogleLockheed MartinNorthrop GrummanThe Aerospace CorporationVantorWorkdayArcfield
Work location mix in visible results
Onsite: 54Hybrid: 19Remote: 6