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Java Python Developer Jobs in Frederick, MD, US
1,300+ java python developer jobs from 310+ companies hiring in Frederick, MD, US.
2mo
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Senior Software Engineer (Hybrid) - 27020 (Columbia, MD, Maryland, United States)
Columbia, Maryland, United States
$138k-$200k/yr HybridFull Time
9+ YOE9+ years backend software engineering; proficient in Java, Python, or Go; experience with Trino, Kubernetes, Airflow, and PostgreSQL; strong problem-solving and collaboration skills; willingness to work hybrid in Columbia, MD.
Java, Python, Go, Trino, Kubernetes, Airflow, PostgreSQL, Keycloak, REST APIs, CI/CD
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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DevOps Engineer
Washington, District of Columbia, United States
$110k-$150k/yr OnsiteFull Time
8+ YOETop Secret/SCI clearance; BS in CS/ENG/IS; 8+ years DevOps and software development; 8+ years infra automation; Ansible, Terraform; AWS; Jenkins/GitLab; Docker, Kubernetes; Python or Java; full lifecycle engineering; strong problem solving.
Ansible, Terraform, Amazon Web Services, Jenkins, GitLab, Docker, Kubernetes, Python, Java
6d
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C3 AI Engineer
McLean, Virginia, United States
$140k-$190k/yr OnsiteFull Time
8+ YOE8+ years total, 5+ years AI/ML; strong Python; experience with C3 AI Platform; cloud and security; mentorship and collaboration.
Python, Java, TypeScript, C3 AI Platform, Docker, Kubernetes, Cloud platforms, APIs, RAG, Embeddings, Vector stores, CI/CD
1mo
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Full Stack Developer
Bethesda, Maryland, United States
OnsiteFull Time
3+ YOEMid-level full stack developer with 3+ years in UI/UX, backend, AWS, IaC, Docker/Kubernetes; TS/SCI poly clearance required.
React, Java, Python, Go, SQL, MongoDB, PostgreSQL, Oracle, MySQL, AWS, CDK, Terraform, CloudFormation, Docker, Kubernetes, ECS, SQS, SNS, RDS, DynamoDB, IAM
2mo
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2908 Software Integration Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
8+ YOEActive Secret clearance; 8-10 years systems engineering; Agile; DevSecOps tools; scripting; Java stack; strong communication.
JIRA, Confluence, Bamboo, Jenkins, Python, Bash, Java, Spring MVC, jQuery, Thymeleaf, AJAX, Bootstrap, CSS
1w
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Senior Systems Engineer
Washington, District of Columbia, United States
$93k-$125k/yr OnsiteFull Time
0+ YOETop-Secret clearance; full-stack development (Python/Java/.NET); SQL; APIs; data linking; dashboards; Agile; O&M; secure coding; Bachelor's degree or equivalent with up to 8 years experience.
Python, Java, C#, SQL, REST APIs, Jira, Data visualization, Data modeling, Graph concepts
4d
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Senior Signals Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
7+ YOEBachelor's degree in CS or related field; 7+ years as Signals Software Engineer with RF focus; C++/Java; Linux exposure; signal processing.
C++, Java, Linux, Python, Git, ClearQuest, Trac, Subversion, Matlab, SIMULINK
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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Enterprise Integration Developer
Baltimore, Maryland, United States
$94k-$148k/yr RemoteFull Time
1+ YOEMaster’s degree in Computer Science or IT; 1+ year experience in integrations using Java/Python/R, Mulesoft/OIC/Boomi; document and deploy integration solutions.
Java, Python, R, Mulesoft, OIC, Boomi, Oracle SOA
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
13h
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Senior Application Engineer - Oracle ERP-PVM & Ivalua VenDoor
Vienna, Virginia, United States
$131k-$180k/yr HybridFull Time
7+ YOEBachelor or Master in CS/IS or related; 7+ years software development; Oracle Cloud (HCM/ERP-PVM) and Ivalua; REST/SOAP integrations; OCI; Git/GitHub Actions; API design; Java/JavaScript/SQL; Agile; strong problem solving.
Oracle Cloud, Oracle Integration Cloud (OIC), Oracle Visual Builder, Ivalua VenDoor, REST, SOAP, SFTP, OCI, Git, GitHub Actions, APIs, Java, JavaScript, HTML, CSS, PL/SQL, BI Publisher, OTBI, OAF, APEX, Unix Shell, Python, XML, JSON
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; knowledge of federal financial, accounting, procurement processes; 1-3 years in systems development and automated financial systems analysis; 1 year developing bots using RPA tools; strong communication and analytical skills.
UiPath, Automation Anywhere, BluePrism, Kofax, SQL, NoSQL, C#, Visual Basic, Python, Javascript, Java, .NET, REST APIs
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 process knowledge; 1-3 years in systems development or automated financial analysis; 1 year developing RPA bots with UiPath/Automation Anywhere/Blue Prism/Kofax; strong analytical and communication skills.
UiPath, Automation Anywhere, Blue Prism, Kofax, SQL, NoSQL, C#, VB, Python, JavaScript, Java, .NET, REST APIs
2mo
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Evergreen: Staff Software Engineer - (Lead Developer)
Washington, District of Columbia, United States
$140k-$157k/yr RemoteFull Time
10+ YOEBachelor's degree and 10+ years of engineering experience; expert-level in at least one stack; remote position; full stack development.
Full Stack, Java, JavaScript, React, Node.js, Python
2w
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JOIN OUR TEAM - Web Scraping Engineer - On-Site (U.S. Citizen - Active Secret Clearance)
Arlington, Virginia, United States
$95k-$105k/yr OnsiteFull Time
3+ YOEU.S. citizen with active secret clearance; local to Arlington, 3+ years web scraping; proficient in Python and Java; knowledge of HTML/CSS/JS, APIs, databases; BS/BA in CS or related IT (experience can substitute).
Python, Java, BeautifulSoup, Scrapy, Selenium, HTML, CSS, JavaScript, APIs, JSON, XML, SQL, Cloud
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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Software Developer, Senior (TS/SCI)
Arlington, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI clearance required; 10+ years software development; master’s degree or related certifications.
Java, Python, C#, JavaScript, TypeScript, REST, Power BI, Power Automate, AWS, CI/CD, DevSecOps
2w
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AI Solution Engineer – Platform
Huntsville or Washington
$90k-$175k/yr HybridFull Time
4+ YOE4+ years data/ML engineering, Python/SQL, cloud data platforms, DevOps, and TS/SCI clearance eligibility.
Python, SQL, Java, Scala, Go, PostgreSQL, Snowflake, Neo4j, Amazon Neptune, REST APIs, Docker, Kubernetes, Git, GitHub Actions, GitLab CI, Jenkins, Terraform, CloudFormation, Pulumi, D3.js, Plotly, Terraform, Pulumi, Kubernetes
1mo
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Software Engineer (Hybrid)
Alexandria, Virginia, United States
HybridFull Time
4+ YOEUS citizen; SECRET clearance; BS in software engineering or computer science; 4+ years of hands-on software development; experience with CI/CD, distributed systems, networking, embedded software.
C++, Java, Python, .NET, SQL, MySQL, Oracle, GitLab, Docker, Kubernetes, FPGA interfaces, SDR, USRP, HackRF, BladeRF
1mo
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Data Engineer III
Columbia, Maryland, United States
$113k-$128k/yr RemoteFull Time
8+ YOEPublic trust clearance required; 8+ years data engineering/software development; 4+ years in Python/Java/cloud data pipelines; BS in CS/IS/Engineering or 10 years IT alternative; strong data architecture and governance skills; English proficiency.
Spark, Hadoop, MySQL, PostgreSQL, Apache Airflow, AWS Redshift, RDS, EMR, EC2, Spark-Streaming, Storm, Scala, Java, Python, GitHub, Jira, Confluence
7h
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Backend Developer (St. Louis, MO / Springfield, VA)
Alexandria or Springfield or St. Louis
$75k-$200k/yr OnsiteFull Time
3+ YOEBackend service/API development, REST APIs, cloud/on-prem deployments, containerization, and security for geospatial platforms.
Python, JavaScript, Node.js, Java, Docker, Kubernetes, ArcGIS Enterprise, REST APIs, CI/CD, Scripting, Infrastructure as Code
10h
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Tech Consulting - Full-Stack Java Developer - Senior - Multiple Locations (Los Angeles, CA, US, 90017-5418)
Los Angeles or New York City or Hoboken or San Francisco or San Jose or Seattle or Boston or Chicago or St. Louis or Philadelphia or Dallas or Houston or Irvine or San Diego or Portland or Denver or Minneapolis or Nashville or Phoenix or Pittsburgh or McLean or Atlanta or Charlotte or Detroit or Columbus or Cleveland or Akron or Miami
$103k-$188k/yr HybridFull Time
3+ YOE3+ years software engineering; Bachelor's in CS or related field; proficient in at least one modern backend language; full-stack experience; REST APIs; React/Angular or similar; Git; cloud familiarity; travel up to 25%.
Python, Java, JavaScript, TypeScript, React, Angular, Git, Node.js, Spring, .NET, Docker, Kubernetes, REST APIs
1w
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Software Engineers
Annapolis Junction or Fort Meade
OnsiteFull Time
Develop, maintain, and optimize software systems; analyze performance; design databases; work with Java/C/C++, Python; exposure to web stacks; TS/SCI clearance.
Java, JavaScript, C, C++, Python, Angular, Docker, Kubernetes, Unix/Linux, MongoDB, Express, React, Node, Go, Vue.js, REST, SOAP, Spring, Hibernate
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
2w
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Senior Cloud Software Engineer
Annapolis Junction, Maryland, United States
$200k-$280k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Polygraph clearance; U.S. citizenship; 6+ years software development; cloud development certifications; strong communication; independent and team work.
NiFi, DataXplorer, GMAE, Java, Python, Scala, Pig, MapReduce, Spark, XML, CSV, JSON, AWS, Kubernetes
7h
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GeoPlatform Cloud Engineer
Washington, District of Columbia, United States
$120k-$160k/yr RemoteFull Time
5+ YOE5+ years cloud engineering and geospatial technologies; experience managing cloud resources; proficiency in Python/Java; AWS/Azure/GCP; geospatial tools.
AWS, Azure, Google Cloud Platform, Terraform, CloudFormation, ARM templates, Geospatial tools, ArcGIS, GeoServer, OpenLayers, PostgreSQL, PostGIS, Python, Java
1mo
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Full Stack Developer - TS/SCI with Polygraph Required
Washington, District of Columbia, United States
$165k-$185k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph required; 5+ years software development; full-stack development experience; strong SQL and databases; Git/git workflows; able to work with government requirements.
C#, Java, Python, Go, JavaScript, TypeScript, React, SQL, Git, Tableau, Oracle, SQL Server, MySQL, DynamoDB, Postgres, MongoDB
3mo
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Software Engineer, DevSecOps
Ashburn, Virginia, United States
$130k-$180k/yr OnsiteFull Time
12+ YOE12+ years in software engineering with 3+ years in architecture/leadership; strong backend (Java/Python/Node.js) and frontend (React/Next.js); distributed systems; Docker/Kubernetes; AWS/GCP; CI/CD; DevSecOps; mentoring.
Docker, Kubernetes, AWS, GCP, Terraform, Pulumi, CloudFormation, GitHub Actions, GitLab, Junit, PyTest, Jest
1mo
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Senior Software Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
11+ YOESenior software engineer with strong experience in Jupyter Notebooks, Java MapReduce, Python PySpark; ML/analytics focus; experience with Jira/Confluence/GitLab; TS/SCI with Polygraph clearance; Bachelor's +11 years or equivalent.
Jupyter, Java MapReduce, Python PySpark, Confluence, Jira, GitLab
3mo
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Product Security Engineer
New York City or Washington, D.C. or Boston
$175k-$210k/yr OnsiteFull Time
6+ YOE6+ years in application security or related, strong cloud and software security skills, proficient with security tools, coding in Java/Python/C++, and cloud architectures.
Burp Suite, OWASP ZAP, Python, TypeScript, Java, C++, CloudFormation, Terraform, AWS, GCP, Azure
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
1w
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Sr. Data Engineer
McLean, Virginia, United States
$137k-$255k/yr RemoteFull Time
7+ YOESenior data engineer with 7+ years experience; SQL and Snowflake; data loading/transformation; security; data modeling; ontology; Python/Java; US security clearance; independent and collaborative; distributed team.
SQL, Snowflake, Python, Java
2mo
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Mid Back End Developer (TS/SCI)
San Antonio or Fort Meade
OnsiteFull Time
7+ YOEBachelor’s degree; 7+ years in software development; TS/SCI clearance; AWS, Kubernetes, Red Hat Linux; REST APIs; CI/CD; Jenkins; GitLab; databases.
AWS, Kubernetes, Red Hat Linux, Docker, Python, Java, GitLab, Jira, Maven, Packer, Ansible, Exodus, RDS, Postgres, OpenJDK, Luna
1mo
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Full-Stack Developer - Mid-Senior, TS/SCI with CI Poly - $150K-$200K + 15% 401k
Fairfax, Virginia, United States
$150k-$200k/yr OnsiteFull Time
5+ YOEMid-Senior full-stack developer with TS/SCI clearance and CI poly, 5+ years in full-stack dev, containerization ( Docker/Kubernetes ), Rust/JS/Python/Java, Linux, CI/CD, strong communication.
Docker, Kubernetes, Helm, Rust, Relational databases, Git, GitLab, CI/CD
4w
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SIMULATION & DIAGNOSTICS DEVELOPER
Greenbelt, Maryland, United States
$170k-$190k/yr HybridFull Time
12+ YOEUS citizenship; extensive software development lifecycle experience; embedded software; TCP/UDP networking; DTN protocols; Linux/VxWorks RTOS; C/C++/Java; testing and documentation; familiarity with Git/JIRA/GitHub.
C, C++, Java, XML, JSON, Linux, RTOS (VxWorks), Git, JIRA, GitHub, Python, TCP, UDP, DTN, NASA standards
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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Front-End Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time, Contract
Tiber Technologies: Providing specialized engineering and security services for federal missions.
U.S. citizen with active clearance and polygraph; bachelor’s in computer science, engineering, or related field; front-end development experience.
Svelte, TypeScript, Java, MongoDB, Python
2mo
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Senior, AI Platform Engineer
New York City or Louisville or Dallas or Washington or Tampa or Boston
$141k-$194k/yr HybridFull Time
5+ YOE5+ years in software engineering with distributed systems; Python or Java; Cloud experience (GCP preferred); Docker/Kubernetes; CI/CD; observability; healthcare regulatory knowledge.
Docker, Kubernetes, Terraform, Pulumi, Python, Java, PostgreSQL, MySQL, MongoDB, Redis, Cassandra, Google Cloud Platform
1mo
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Lead Data Engineer – Financial Data, Compliance & Business Intelligence
Chicago or Washington or Sarasota or Hartford or Costa Mesa or San Jose or Atlanta or Boston or Cleveland or Columbus or Dallas or Fort Lauderdale or Fort Wayne or Grand Rapids or Indianapolis or Los Angeles or Miami or New York City or Oak Brook Terrace or Sacramento or San Francisco or South Bend or Tampa or Houston or Austin
$111k-$226k/yr OnsiteFull Time
3+ YOE3+ years ETL development; experience with Bank Secrecy Act/AML regulations; consulting experience; strong ETL/EDW skills; Python/Java; cloud data warehousing (Azure/AWS/Snowflake); excellent communication and teamwork.
ETL tools, Python, Java, Azure, AWS, Snowflake
HiringCafe market data
Java Python Developer Jobs market signals in Frederick, 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
1,300+
Hiring companies
310+
Fresh sample
59% new in 30d
Salary visibility
66% show pay
Companies appearing in this market
Envision Innovative SolutionsGliaCell TechnologiesSAICSteampunkLMIMillennial SoftwareArtera Technologiesgeocgi
Work location mix in visible results
Onsite: 41Hybrid: 14Remote: 6