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Java Python Developer Jobs in Leonardtown, MD, US
420+ java python developer jobs from 170+ companies hiring in Leonardtown, MD, US.
2w
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Data Engineer (VA, Quantico)
Quantico, Virginia, United States
OnsiteFull Time
10+ YOETen years IT experience with at least six years in data engineering; strong SQL and coding skills; cloud experience; DoD/DoN or law enforcement familiarity preferred.
SQL, Python, Java, R, Scala, AWS, Azure, GCP
2mo
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Payload Operations Engineer
Lanham, Maryland, United States
OnsiteFull Time
0+ YOEBachelor’s in engineering or STEM; 0–2 years experience; satellite payload experience preferred.
Git, Jira, Confluence, Java, Python, MATLAB, C
3w
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Principal Test Engineer
Annapolis Junction, Maryland, United States
$200k-$280k/yr OnsiteFull Time
20+ YOEActive TS/SCI with Polygraph; 20 years SE experience; US citizenship; Bachelor’s in a related field; strong testing and automation skills.
Cucumber, Selenium, Python, Java, HTML, CSS, JavaScript, SQL
2mo
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Systems Support Engineer
Washington, District of Columbia, United States
$90k-$140k/yr OnsiteFull Time
5+ YOE5+ years in technical support/engineering; BS in CS/Engineering; strong communications; SQL/MS SQL Server; hardware, software, networking; travel required.
JIRA, Confluence, Splunk, SQL Server Management Studio, Microsoft Server, TCP/IP, PowerShell, Java, Tomcat, MSSQL, C#, C++, Python, HTML, JSON, XML
3mo
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Cloud Engineer- Data/AI Focused
Rochester or Charlotte or Nashville or New York City or Washington or Philadelphia or Atlanta
HybridFull Time
1+ YOE1-3 years cloud experience, AWS cert or ability to obtain, SQL and at least one programming language, basic data engineering, familiarity with AWS data services, Git, and IaC concepts.
AWS, Glue, Lambda, Step Functions, EMR, RDS, Aurora, Redshift, DynamoDB, S3, SQL, Python, Java, Git, Terraform, Infrastructure as Code
1mo
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US E-GPS Consulting Services-AWS Cloud Engineer-AI&E/HCI-PDM-640872
Washington, District of Columbia, United States
$81k-$134k/yr OnsiteFull Time
2+ YOEBachelor’s degree; Top Secret clearance; 2+ years AWS cloud development; 2+ years cloud solutioning; onsite in Washington, DC; US work authorization
Git, Docker, Kubernetes, Python, Java, JavaScript, Node.js
1mo
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Senior Director, Software Engineering
Philadelphia or Alexandria or Ann Arbor
HybridFull Time
10+ YOE5+ Mgmt10+ years in technology leadership with cross-functional teams; 10+ years software engineering; Bachelor's in CS or related field; Proficient in Java and Python.
Java, Python, XML, HTML, XSLT, XML Schema, XQuery, XPath, PDF, TIFF, Angular, Talend, Pentaho, Databricks, Spark, EMR, Hive, Microservices, SOAP, REST, JavaScript, Node.js, AWS, AMQ, JMS, Spring Boot, PostgreSQL, MySQL, SQL Server, Oracle, ETL, SaaS, NL P, ML, AI
1w
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Senior Manager - Software Engineering
Seattle or Arlington or Ridley Park or El Segundo or Saint Louis
HybridFull Time
10+ YOE3+ Mgmt10+ years software engineering; 3+ years in leadership; 10+ years building distributed cloud-native systems; 10+ years full-stack development (React, Spring Boot, Node.js, DBT, Git, etc); 5+ years agile; experience with C/C++, Python, Java, or Ada.
React, Spring Boot, Node.js, DBT, Git, C, C++, C#, Python, Java
2mo
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Mid-Level Software Engineer
Annapolis Junction, Maryland, United States
$175k-$190k/yr OnsiteFull Time
7+ YOESeven years of experience as a software engineer; Bachelor's degree in Computer Science or related discipline; ability to obtain TS/SCI w/ Polygraph clearance.
Java, Python, Git, IntelliJ, Eclipse, Maven, Spring Boot, Flask, Kubernetes, Docker, Containerd, AWS, Kafka, Flink, MongoDB, ArangoDB, Redis, PostgreSQL, ElasticSearch
3w
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Kafka & SIEM Integration Engineer
Quantico, Virginia, United States
$125k-$145k/yr OnsiteFull Time
7+ YOEBachelor's/Master's in engineering/computer science; 7+ years in systems administration; DoD 8570 IAT II certs; DoD 8570 CSSP Infrastructure; DoD SECRET eligibility.
Linux, SQL, KQL, Confluent Kafka, SSL/TLS, Java, Python, Go, Node.js, Avro, JSON Schema, Confluent Schema Registry
4w
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Machine Learning Engineer - Secure AI Lab
Pittsburgh or Arlington
OnsiteFull Time
Bachelor’s in CS/ML or related field with 8+ years experience; or MS with 1+ year; or PhD with 2+ years. Onsite in Pittsburgh, PA or Arlington, VA. Ability to obtain security clearance. Up to 25% travel.
TensorFlow, PyTorch, Torch, Caffe, Python, C/C++, Java
4w
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Sr Software Engineer - Platform Data Query
San Diego or Santa Barbara or Dallas or New York City or Chicago or San Francisco or Washington DC or Denver
$138k-$173k/yr RemoteFull Time
5+ YOEExperience operating and scaling data pipelines with Iceberg, Trino, Kafka, Flink, and cloud data lakes.
Apache Flink, Kafka, Trino, Iceberg, AWS Glue, AWS S3, AWS Athena, Python, Ruby, Java, JavaScript, C#, SQL
1w
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Professional Services - Sr. Solutions Engineer (SE) for Embedded Systems
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOESenior technical consultant with 5+ years in systems engineering, cloud/infrastructure, embedded/real-time, strong troubleshooting, security-focused, able to travel; U.S. citizenship with clearance preferred.
C++, Python, Go, Java, Git, JIRA, CI/CD, Linux, Virtualization, Containerization, Infrastructure as Code, Automation
2mo
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Delivery Engineering Lead
Washington, District of Columbia, United States
$235k-$255k/yr OnsiteFull Time
10+ YOE3+ Mgmt10+ years software engineering; 3+ years engineering leadership; deployment automation expertise; strong Go/Python/Java skills; AI tooling experience; DevOps and IaC (Terraform, Ansible); stakeholder management.
Go, Python, Java, Terraform, Ansible, GitHub Copilot, Claude Code
2mo
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Software Engineers - LEVEL 0 - FULLY CLEARED with POLYGRAPH REQUIRED
Fort Meade, Maryland, United States
$100k-$285k/yr OnsiteFull Time
4+ YOEUS citizenship, TS/SCI with active polygraph, Bachelor's in CS or related, 4+ years SWE experience, lifecycle engineering experience.
Java, Python, Git, Shell, Nexus, Maven, JavaScript, HTML/CSS, JUnit, Docker, Kubernetes, OpenShift, GitLab CI, Spring Framework, Hibernate, MySQL
3mo
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Staff Site Reliability Engineer, Kubernetes w/ active TS/SCI
Washington DC, District of Columbia, United States
HybridFull Time
5+ YOESenior/Staff SRE with Kubernetes, Linux, Terraform/AWS, TS/SCI clearance; on-site travel in DC area.
Kubernetes, Helm, Linux, Go, Python, Bash, Ruby, AWS, Terraform, CloudFormation, Docker, Java, Apache, Tomcat
1w
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Associate AI Security Resident
Washington or San Francisco or Santa Monica or Pittsburgh or Boston
$90k-$177k/yr HybridFull Time
1+ YOETechnical security/engineering background; leadership experience; programming in Python/Java/C/C++; threat modeling; strong communication; policy analysis; collaboration; MS Office.
Python, Java, C/C++, Threat modeling, MS 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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Development Chief / Technical Architect
Arlington, Virginia, United States
HybridFull Time
10+ YOEBA/BS or 5 years experience; moderate security clearance; 10+ years leading technical software and system solutions; software architecture expertise; Agile experience; strong leadership and communication; web and API development experience.
Java, JavaScript, Git, SQL, Python, Angular, React, Vue, AWS, Microsoft C#, Angular 2
1w
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E T Consultant
Washington, DC, District of Columbia, United States
OnsiteContract
5+ YOEMaster’s degree with 5 years of experience or Bachelor’s with 7+ years in software development; strong Java, Python, Bash; Spring Framework; DevOps (ADO); Angular/Node.js; UML; Oracle SQL; SDLC; UML and design experience; good communication.
Java, Python, Bash, Spring, Spring Boot, Spring Data, ADO, Angular, Node.js, JavaScript, HTML, Oracle SQL, PL/SQL, UML, Eclipse, IntelliJ, CI/CD, version control
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
1w
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Summer Intern Software Engineering, CloudOps
Washington, District of Columbia, United States
OnsiteFull Time
0+ YOEPursuing CS/SE with knowledge of data structures, algorithms; experience with Java, Python, JavaScript/TypeScript, Go, Ruby, or SQL; familiar with Git; cloud concepts (AWS, Azure, or GCP); containerization/CI/CD; databases; strong problem solving; collaboration.
Docker, AWS CDK, CloudFormation, Datadog, GitHub, Jenkins, CodePipelines, ECS, Load Balancers
1mo
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Applied Mathematician/Analyst
Dahlgren, Virginia, United States
OnsiteFull Time
5+ YOEBachelor’s in math/physics; 5+ yrs in applied math; modeling, analytics, ML; software development
Python, Java, C/C++, MATLAB, R, JavaScript, Ada
1w
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Senior Manager - Software Engineering
Seattle or Arlington or Ridley Park or El Segundo or Saint Louis
$221k-$320k/yr HybridFull Time
10+ YOE3+ Mgmt10+ yrs software engineering; 3+ yrs leadership; 10+ yrs distributed cloud-native systems; 10+ yrs full-stack (React, Spring Boot, Node.js, DBT, Git); 5+ yrs agile; 10+ yrs languages (C, C++, C#, Python, Java, Ada).
React, Spring Boot, Node.js, DBT, Git, AWS, Palantir Foundry
2mo
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CNO Analyst/Programmer Level 1
Annapolis Junction or Hanover
$135k-$150k/yr OnsiteFull Time
TS/SCI with Polygraph; Bachelor's in CS/IS/Network Engineering or equivalent; IAT Level 2 Certification; multiple experience options for education.
C, C++, Java, Perl, Python, Assembly, Visual Studio, .NET, UNIX, Makefiles
4d
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Senior All Source Analyst
Suitland, Maryland, United States
$100k-$125k/yr OnsiteFull Time
12+ YOE12+ years in all-source intelligence analysis; TS/SCI clearance; Master’s degree or BS with 17 years experience; strong analytical and technical skills.
Python, Java, HTML, SQL, Tableau
5d
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2026 Aerospace Rising Star Programs
El Segundo or Chantilly or Arlington or Huntsville or Colorado Springs or Albuquerque or Houston
OnsiteFull Time
Undergrad/graduate internship program; 10 weeks full-time, on-site; ability to obtain security clearance; US citizenship; current transcripts.
C, C++, Python, HTML, Java
1mo
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Neo4j Database Administrator Mid-Senior Level #2069
Springfield, Virginia, United States
OnsiteFull Time
3+ YOEMaintain and optimize Neo4j environments; Cypher query development; data modeling and security.
Neo4j, APOC, Cypher, Kubernetes, Helm, Prometheus, Grafana, GDS, Python, Java
3w
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DSCA Data Architect Senior - 28235 (Arlington, VA, Remote, United States)
Arlington, Virginia, United States
$135k-$155k/yr RemoteFull Time
5+ YOEDesign, develop, and govern enterprise data architectures; ensure auditable data flows; implement data strategies; collaborate with stakeholders; active Secret clearance.
SQL, Python, Java, AWS GovCloud, Azure Government, Spark, Hadoop, ERwin, Visio, NoSQL, RDBMS, ETL/ELT
1mo
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Advisory Architect, TTS (Software)
Chicago or Boston or Dallas or Los Angeles or Minneapolis or New York or San Francisco or Seattle or Washington, D.C.
HybridFull Time
6+ YOEBachelor’s degree or equivalent; 6+ years software development; tech due diligence experience; Agile/Lean; cross‑functional collaboration; 30%+ travel; US work authorization.
C#, Java, Python, SDLC, Agentic AI/LLMs
1w
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Digital Wargaming Development Intern
Dumfries, Virginia, United States
OnsiteInternship
0+ YOEPursuing undergrad/grad in engineering, math, physics, CS, stats, or OR; adaptable to tech; interested in military problems; coding experience; U.S. citizen able to obtain security clearance.
Python, Java, R, SQL, PL/SQL, C++
HiringCafe market data
Java Python Developer Jobs market signals in Leonardtown, 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
420+
Hiring companies
170+
Fresh sample
53% new in 30d
Salary visibility
38% show pay
Companies appearing in this market
BoeingBowheadSoftware Engineering InstituteWest MonroeAdventure Technology ServicesAppFolioAptivAST SpaceMobile
Work location mix in visible results
Onsite: 21Hybrid: 11Remote: 2