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Java Python Developer Jobs in Westminster, MD, US
1,200+ java python developer jobs from 280+ companies hiring in Westminster, MD, US.
2mo
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Sr Applications Database Engineer/Applications System Administrator
Rockville, Maryland, United States
$90k-$110k/yr OnsiteFull Time
Senior AI/ML engineer with healthcare data expertise (HL7/FHIR), cloud (AWS), Python/R/Java, GenAI, LangChain; experience with NLP/CV and HIPAA compliance.
Python, R, Java, AWS, Docker, Kubernetes, PyTorch, TensorFlow, scikit-learn, HL7, FHIR, LangChain, VectorDBs, RAG
2w
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Engineer III - Flight Dynamics Systems Development
Reston, Virginia, United States
HybridFull Time
5+ YOEBachelor’s degree in Aerospace Engineering, Computer Science, or related field; 5+ years in aerospace or satellite ground systems; active Secret security clearance or ability to obtain; strong communication and analytical skills.
Java, JavaScript, Python, Shell scripting
1mo
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Signal Processing Engineer / Computer Scientist
Washington, District of Columbia, United States
$120k-$150k/yr OnsiteFull Time
5+ YOEFive years of electromagnetic signal processing experience; RF knowledge; MATLAB, Python, Java; FPGA/VHDL/Verilog; DoD Secret clearance; Bachelor’s in engineering, mathematics, computer science, or physics; ability to lift 50 lbs; some travel.
MATLAB, Python, Java, C++, VHDL, Verilog, FPGA
2mo
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Staff Engineer, AI Core
Palo Alto or Miami or Washington or Durham or Toronto
HybridFull Time
Experience as a Staff Engineer or Senior Engineer shipping complex, large-scale consumer-facing mobile apps; strong backend and AI/ML data-pipeline experience; leadership and mentorship.
Flutter, AWS, Go, Java, Python, Clojure, Microservices, Event-driven
1mo
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Software Engineer Junior Level
Linthicum, Maryland, United States
$100k-$200k/yr OnsiteFull Time
7+ YOETS/SCI with polygraph; 7+ years SWE experience; Bachelor’s in CS or related field with 4 years’ experience substitution; strong analytics; Pig; PySpark.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
2w
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Full-Stack Developer Intern
Gaithersburg, Maryland, United States
OnsiteInternship
0+ YOECurrently enrolled in a Bachelor's or Master's program in CS/Software Engineering or related field; GPA 3.2+, proficiency in JavaScript/TypeScript, front-end framework (React/Angular/Vue), RESTful APIs, relational DB, Git; strong problem-solving and communication.
JavaScript, TypeScript, React, Angular, Vue, Node.js, Python, Java, SQL, Git, Docker, Kubernetes, AWS, Azure, Google Cloud, GraphQL, REST
4d
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Software Factory Engineer
Reston, Virginia, United States
RemoteFull Time
8+ YOEFull stack exp with modern frameworks; experience in software factory environments, CI/CD, DevSecOps, platform engineering; strong Agile; enterprise integrations (Salesforce, Drupal, Dynamics); federal/regulated context.
React, Angular, Node.js, CI/CD, DevSecOps, Git, Jira, Confluence, Salesforce, Drupal, Dynamics, USWDS, Accessibility, HTML, CSS, JavaScript, Python, Java, Ruby, SQL, NoSQL
3mo
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Principal Software Engineer
Arlington, Virginia, United States
$179k-$269k/yr HybridFull Time
10+ YOE10+ years in software engineering; 5+ years in leadership; distributed systems expertise; multiple languages; secure systems knowledge; TS/SCI eligibility.
C/C++, Go, Rust, Python, Java, Git, Jira, libp2p, PostgreSQL, SQLite, Kafka, NATS
1mo
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Junior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree required; 3+ years experience; CBP suitability eligibility; databases, web apps, and interfaces; strong communication.
Python, SQL, Java
3mo
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Frontend Lead Engineer
Richmond or Arlington
OnsiteFull Time
6+ YOE6+ years of front-end experience with modern web technologies (React, Vue, Angular); four-year CS/engineering degree; experience with REST APIs, AWS, and testing; in-person location requirement to Richmond, VA or Arlington, VA.
React, Vue, Angular, Golang, Java, Node, Python, Cypress, Playwright, AWS, Kubernetes, Postgres
1mo
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Principal Software Engineer
McLean, Virginia, United States
OnsiteFull Time
8+ YOE8+ years RESTful API experience; 5+ years frontend with React/Typescript/JavaScript; strong software design; DB experience; cloud-native; Docker/Kubernetes; TS/SCI clearance; STEM background.
Go, Java, Python, Rust, Scala, React, Typescript, Javascript, Maven, Gradle, NPM, Docker, Kubernetes, Kafka, RabbitMQ, Delta Lake, AWS, Azure, PostgreSQL, MySQL, MongoDB, Elasticsearch, Trino, DuckDB, Superset
1mo
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Senior Software Engineer
Gaithersburg, Maryland, United States
OnsiteFull Time
8+ YOEBachelor’s or Master’s degree in CS/Engineering with 6+ years (Master’s) or 8+ years (Bachelor’s); TS/SCI clearance; strong OO programming, REST, SQL, Linux; AWS, Agile.
Java, Python, REST, SQL, Linux, Docker, OpenShift, Spring Boot, PostgreSQL, Tomcat, Maven, AWS, GitLab CI/CD, JavaScript, Front-end frameworks
1w
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Full Stack Platform Engineer - Angular / Spring / Kubernetes (Top Secret Clearance Required)
Herndon, Virginia, United States
HybridFull Time
Front-end with Angular/TypeScript; back-end with Java Spring and Python; Kubernetes, Docker; Linux/RHEL; CI/CD; Git; JIRA/Confluence; active Top Secret clearance.
Angular, Spring, Kubernetes, Docker, Linux, RHEL, Git, JIRA, Confluence
2mo
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Data Engineer
Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$101k-$160k/yr HybridFull Time
3+ YOEDesign, build, and operate data pipelines and integration; leverage Azure data services; 3+ years of data engineering experience; proficient in SQL and Python.
Azure Data Factory, Azure Databricks, Azure Event Hubs, SSIS, Azure Synapse Analytics, SQL, Python, PowerShell, Java, Scala, Go
1mo
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Software Systems Engineer Senior
Aberdeen, Maryland, United States
$116k-$262k/yr OnsiteFull Time
10+ YOESenior software systems engineer with 10+ years in the software lifecycle, TS/SCI clearance, leading contractor teams, RF architectures, EW/SIGINT, and MOSA; Bachelor's in CS or Software Engineering.
Java, Python, C++, MOSA, AWS, Azure, containerization, microservices, CI/CD, Scrum, Kanban, APIs, Databases, Cybersecurity
3w
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Full Stack Engineer (Cleared)
Huntsville or McLean
HybridFull Time
Exiger: AI-powered supply chain risk and compliance management software.
4+ YOEFull stack engineer with security clearance, strong frontend and backend skills, API and data pipeline experience, and ability to deliver in fast-paced environments.
React, Angular, Vue, Python, Java, Go, REST APIs, AWS, Azure, GCP, Terraform, CI/CD, DevOps
3w
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Sr. Innovation Software Engineer
Minnetonka or Austin or Chicago or Easton or Dallas or Detroit or Hagerstown or Atlanta or Houston or Akron or Birmingham or Charlotte or Indianapolis or Pittsburgh or Cincinnati or Cleveland
$77k-$154k/yr OnsiteFull Time
8+ YOESenior software engineer with full-stack, AI-enabled solution delivery; 8-12 years of experience.
Java, Python, TypeScript/JavaScript, Vertex AI, Google Cloud
3w
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Sr Software Engineer - Platform Data Query
San Diego or Santa Barbara or Dallas or Atlanta or Chicago or San Francisco or Washington DC or Denver
$138k-$173k/yr HybridFull Time
5+ YOEExperience operating, scaling, and enhancing data pipelines with Iceberg, Trino, Kafka, Flink; strong SQL and cloud data services (AWS). 5+ years in software engineering; multi-tenant SaaS background preferred.
Trino, Apache Flink, Kafka, Iceberg, AWS Athena, AWS S3, AWS Glue, Python, Ruby, Java, JavaScript, C#, SQL
1mo
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Data Engineer
Herndon, Virginia, United States
OnsiteFull Time
2+ YOEDesign, develop, and maintain data pipelines; 2+ years in data engineering; TS/SCI with poly; Bachelor's preferred.
Python, Java, Scala, Apache Spark, Kafka, Airflow, Hadoop, Spark, AWS, Azure, GCP
1mo
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Software Test Engineer - MDFM 1645
Fort Meade, Maryland, United States
OnsiteFull Time
3+ YOE3-5 years in test automation, FE/ integration testing; experience with CNO Tools, CI/CD, and containerization.
CNO Tools, Docker, VMware, Bash, Python, Java, C, Gitlab, Atlassian Bamboo
1w
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Reverse Engineer Level 2
Fort Meade, Maryland, United States
$150k-$180k/yr OnsiteFull Time
5+ YOE5–8 years in reverse engineering or related field; Bachelor's degree in CS/Engineering or related field; experience with assembly, C/C++, C#, Java, Perl, Python; strong reverse engineering and binary analysis; OS internals analysis; familiarity with reverse engineering tools; kernel-level programming or forensics; ability to document and present fi...
IDA Pro, Ghidra, Binary Ninja, Assembly, C, C++, C#, Java, Perl, Python
5d
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Sr. Staff Data Engineer, Data Platform, CNN Digital Products & Services
New York or Atlanta or Washington
$160k-$296k/yr HybridFull Time
10+ YOE10+ years software/data engineering; 7+ years cloud; Spark/Flink; Airflow/Dagster; SQL/Java/Python/Go; Snowflake/Databricks; lead technical direction across teams.
Spark, Flink, Airflow, Dagster, Snowflake, Databricks, SQL, Java, Python, Go, Kafka, Kinesis
3w
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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
2w
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GIS Developer/Analyst (Washington DC)
Washington, District of Columbia, United States
$80k-$120k/yr HybridFull Time
5+ YOE5+ years GIS and analytics; TS/DOE Q clearance; strong Esri ArcGIS; Python/JavaScript; emergency management experience.
ArcGIS, ArcGIS Pro, ArcGIS Online, Experience Builder, StoryMaps, Python, JavaScript, C#, Java
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
1w
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CRM and Integration Developer
Washington, District of Columbia, United States
$55k-$100k/yr HybridFull Time
2+ YOEBachelor’s degree in Computer Science or related field; 2-4 years enterprise systems design, CRM development, and integration; Salesforce CRM, MuleSoft; front-end development; scripting; databases; IAM; certifications preferred.
Salesforce CRM, MuleSoft, Anypoint Platform, Workday, Oracle, SQL Server, HTML, CSS, Python, Java, JavaScript, Shell Scripting, LDAP, Shibboleth, Kerberos, REST APIs, SOAP APIs, Git, CVS, SVN
1mo
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Senior Test Engineer
Fort Meade, Maryland, United States
$115k-$140k/yr OnsiteFull Time
5+ YOEPlan, execute, and evaluate system tests across hardware, software, networking, virtualization, and cloud environments; DoD testing experience; Python and Linux skills.
Python, Linux, Suricata, Snort, Selenium, JUnit, TestNG, Java, JavaScript
1mo
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Senior Software Engineer (TS/SCI w/poly)
Fort Meade, Maryland, United States
$250k-$295k/yr OnsiteFull Time
14+ YOESenior Software Engineer with TS/SCI w/poly clearance; 14+ years software engineering or 18+ years without degree; BS in CS preferred.
Java, JavaScript, Git, SQL, Python, SDLC, UI/UX, Angular, React, Vue.js, AWS, C#, API Development
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
2mo
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Sr. Infrastructure Engineer 2 - Network
Washington, District of Columbia, United States
OnsiteFull Time
8+ YOESenior system admin with Linux/Windows, scripting (Perl/Shell/Python), network addressing, security, and server co-location experience; 8+ years IT.
Linux, Windows, Active Directory, Tomcat, JBoss, Perl, Shell, Python, IPv4/IPv6, SQL, Java
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
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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RPA Developer (Robotic Process Automation, Associate)
Arlington, Virginia, United States
$122k-$131k/yr HybridFull Time
7+ YOE7+ years of relevant experience; federal financial/business process knowledge; 1-3 years in systems development; 1 year building RPA bots with UiPath, Automation Anywhere, Blue Prism, or Kofax; strong analytical and communication skills.
UiPath, Automation Anywhere, Blue Prism, Kofax, SQL, NoSQL, C#, Visual Basic, Python, JavaScript, Java, .NET REST APIs
1d
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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
1mo
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RF Network Engineer
Aberdeen, Maryland, United States
$125k-$140k/yr OnsiteFull Time
3+ YOEBachelor's in Electrical/Computer Engineering or Computer Science; 3-5 years of relevant experience; TCP/IP networking; Windows and Linux; documentation skills; willingness to learn; knowledge of wireless technologies a plus; programming experience (Java, Python, C++) a plus; automated testing and lab equipment automation a plus.
TCP/IP, Windows, Linux, Programming (Java, Python, C++), Automated testing, Laboratory instrumentation (test equipment)
6d
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Software Engineers
Annapolis Junction, Maryland, United States
$100k-$200k/yr OnsiteFull Time
1+ YOEActive TS/SCI with POLY; software development experience; strong problem-solving skills.
C, C++, Java, Python, Software Development Tools, Databases
HiringCafe market data
Java Python Developer Jobs market signals in Westminster, 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
1,200+
Hiring companies
280+
Fresh sample
56% new in 30d
Salary visibility
52% show pay
Companies appearing in this market
IridiumBCTCarnegie Mellon UniversityDLA PiperKarsun SolutionsNubankThe MIL CorporationTwo Six Technologies
Work location mix in visible results
Onsite: 27Hybrid: 20Remote: 1