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Junior Python Developer Jobs in Leonardtown, MD, US
130+ junior python developer jobs from 84 companies hiring in Leonardtown, MD, US.
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Junior Developer
Rosslyn, Virginia, United States
OnsiteFull Time
0+ YOEEntry-level software developer with 0–3 years of experience; strong foundation in programming; basics of Python, Java, or C#; familiar with Agile/Scrum; good communication and documentation skills; willingness to learn; Azure Dev/Cert preferred.
Python, Java, C#, Agile, Scrum, Azure, Microsoft Certified: Azure Developer Associate
2mo
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Junior CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
1+ YOEBachelor's degree or 4 years of related experience; 1 year programming in Assembly, C, C++, Java, Perl, or Python; 1+ year development in Windows/.NET or UNIX environments.
Python, C, C++, Java, Perl, Assembly, PowerShell, Bash, Visual Studio, .NET, Git, IDA Pro, Ghidra, OllyDbg
2w
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Junior Software Engineer
Fort Belvoir, Virginia, United States
OnsiteFull Time
Bachelor's in CS/Engineering or related field; US citizenship and ability to obtain/maintain a secret clearance; Java, C++, or Python; knowledge of SDLC; strong problem-solving and teamwork; up to 25% travel.
Java, C++, Python
2w
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Junior Software Developer, Hypervelocity/C++
Dahlgren, Virginia, United States
$90k-$110k/yr OnsiteFull Time
2+ YOEBS in computer science or related field or equivalent experience; 2+ years experience; active SECRET clearance; Valid Real ID driver license; willingness to travel locally; experience in C++ (1+ years) with Python and Java; familiarity with development tools.
C++, Python, Java, Podman/Docker, JFrog, JUnit, Jenkins, Git, GitLab, JIRA, Bitbucket, Confluence
2mo
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AWS Connect Developer - Junior
Washington, District of Columbia, United States
HybridFull Time
2+ YOEJunior AWS Connect Developer with 2 years Python and AWS experience; US Citizenship; Public Trust; hybrid in DC; Terraform preferred.
Python, AWS, Lambda, S3, DynamoDB, Git, GitLab, Terraform
1mo
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Junior Software Engineer
Annapolis Junction, Maryland, United States
$95k-$105k/yr OnsiteFull Time
Bachelor’s degree or equivalent experience; basic programming knowledge; familiar with Git; strong problem-solving and communication skills.
Git, Java, Python, JavaScript, C#
1w
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Cleared Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOEActive TS/SCI clearance with Full Scope Polygraph; 3+ years of experience; bachelor's degree in a technical discipline; experience with Python, JavaScript, or Java; familiarity with databases and version control; strong communication.
Python, JavaScript, Java, Databases, Git
1w
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Software Engineer, Junior
McLean or Alexandria
$55k-$126k/yr OnsiteFull Time
2+ YOETwo+ years in software development with React/Angular/Python; OO, REST/microservices; AI systems knowledge; ability to obtain Secret clearance; Bachelor's degree.
React, Angular, Python, REST, Microservices, MLflow, Kubernetes, Docker, Jenkins, SQL, NoSQL, AWS
6d
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Junior Software Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
2+ YOEBS/MS in CS/Software Eng; 2+ years experience or MS; proficient in Java, Python, Golang; web tech HTML/CSS/JS and frameworks (Angular, Vue, React); Agile, Git, CI/CD; strong documentation.
Java, Python, Golang, HTML, CSS, JavaScript, Angular, Vue, React, Git, CI/CD, Docker, Kubernetes, PostgreSQL, MySQL, Redis, MongoDB
5d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Bachelor's in CS or related field or 4 years software engineering exp; TS/SCI with Poly; Agile; Jira/Confluence; Git; Java/C++/Python; Postgres.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, Docker, Kubernetes, Nginx, HAProxy, Elastic Stack
2mo
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Junior RF Electrical Engineer - Poly Req'd
Herndon or Washington or Quantico
OnsiteFull Time
0+ YOEBachelor's in Electrical Engineering; MATLAB/Python proficiency; RF propagation modeling; electronics testing; briefing and reporting.
MATLAB, Python, spectrum analyzers, signal generators, voltage meters, continuity testers
2mo
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Junior RF Electrical Engineer - Poly Req'd
Washington or Quantico or Herndon
OnsiteFull Time
Bachelor's in Electrical Engineering; MATLAB/Python; RF propagation and spectrum analysis; testing electronics; briefing and presenting to technical/non-technical audiences.
MATLAB, Python, Spectrum Analyzer, Signal Generator, Voltmeter, Network Tester, RF testing equipment
2mo
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Junior Cloud DevSecOps Engineer
Washington, District of Columbia, United States
HybridFull Time
0+ YOEAssociate degree or equivalent in cybersecurity/IT; 0-2 years IT/cybersecurity; familiarity with Azure and AWS; basic knowledge of Entra ID, IAM, MFA, networking; US citizenship and ability to obtain security clearance.
Microsoft Azure, Amazon Web Services, Microsoft Entra ID, Microsoft Defender for Cloud, Azure Policy, Terraform, ARM, CloudFormation, PowerShell, Python, Bash, Microsoft Sentinel, AWS Security Hub, GuardDuty, IAM
2w
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Data Engineer (Junior)
Arlington, Virginia, United States
$72k-$75k/yr OnsiteFull Time
3+ YOEBachelor's degree with at least 3 years relevant experience; Python experience (Pandas/Polars/Scikit-Learn); knowledge of data structures/algorithms; willing to travel domestically and internationally; able to work with diverse stakeholders.
Python, Pandas, Polars, Scikit-Learn, Power BI
1w
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Junior Data Engineer
McLean or Arlington
OnsiteFull Time
3+ YOEBachelor’s degree; 3 years data engineering/ETL with SQL/Python; experience with connectors; ability to obtain/maintain federal clearance; strong communication.
SQL, Python, R, ETL/ELT, Collibra, Alation, Azure Purview, AWS Glue
2mo
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Junior RF Electrical Engineer - Poly Req'd
Washington or Quantico or Herndon
OnsiteFull Time
Bachelor's in Electrical Engineering; proficiency in MATLAB/Python; RF propagation and spectrum analysis; testing with test equipment; ability to brief technical/non-technical audiences.
MATLAB, Python, Spectrum Analyzers, Signal Generators, Voltage Meters, Network and Cable Continuity Tests
2w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteInternship, Full Time
0+ YOEC/C++, JavaScript, Java, Python software development; 0+ years experience; US citizenship.
Python, Java, C/C++, Rust, JavaScript, TypeScript
4d
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Junior RF Analyst
Springfield or Chantilly
OnsiteFull Time
Master’s with 1 year experience or Bachelor’s with 2 years, or no degree with 4 years; TS/SCI clearance with adjudicated polygraph; RF/EMI concepts and test experience; ability to develop plans and analyze results.
MATLAB, Python, Excel
2w
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Software Developer
Welcome, Maryland, United States
$75k-$102k/yr OnsiteFull Time
0+ YOE0-5 years software engineering experience; Linux environment proficiency; Java, Go, JavaScript, C/C++, Python knowledge.
Java, Go, JavaScript, C/C++, Python, Linux, Red Hat Enterprise Linux (RHEL), Docker, Kubernetes, Podman, Git, Bitbucket, Jira, HTML, CSS, React, REST, JSON, WildFly
2w
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Game Simulation Developer Intern
Fredericksburg, Virginia, United States
OnsiteInternship
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
0+ YOEPursuing a Bachelor's or Master's in CS/Game Development/Software Engineering; experience with C#/C++/Python/JavaScript; familiarity with Unity or Unreal; strong problem solving; team, independent work; photo editing.
Unity, Unreal Engine, C#, C++, Python, JavaScript, Adobe Photoshop, Adobe Illustrator, Git
2mo
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Associate Software Engineer
Arlington or Mount Laurel
$72k-$114k/yr OnsiteFull Time
0+ YOE0–2+ years backend development; BS in a related field; proficient in Python/Java/C++/C#; ability to travel; knowledge of SDLC; APIs and databases; distributed systems; security practices.
Python, Java, C++, C#
4d
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Application Developer
Tampa or Cleveland or Sarasota or Arlington or Nashville or Milwaukee or Dearborn or Orlando or Charlotte
OnsiteFull Time
0+ YOEBachelor's in computer science, IT, software engineering, or related field; foundational programming experience; basic knowledge of C#/.NET, JavaScript/TypeScript, Python; introductory Azure and Power Platform concepts; APIs, databases, Git; strong teamwork and willingness to learn.
C# / .NET, JavaScript / TypeScript, Python, Azure, Power Platform, APIs, Databases, Git, Azure DevOps
1w
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Software Engineer
Fort Meade, Maryland, United States
$70k-$190k/yr OnsiteFull Time
0+ YOETS/SCI clearance with poly, 3 years experience with B.S. in technical discipline or 4 additional years equivalent experience; strong Python; production apps; AI concepts; streaming data; multi-model integrations.
Python, PydanticAI, Langgraph, DeepAgents, Apache Kafka, Elasticsearch, APIs, data sources
2w
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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
1mo
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Software Engineer
Tampa or Fort Belvoir
OnsiteFull Time
3+ YOEUS citizen; active secret clearance with ability to obtain TS/SCI; bachelor’s in CS/IS or related field with 3–6 years of experience; proficiency in Java/C#/Python/JS/TS; Git; REST/microservices; team collaboration; strong communication.
Java, C#, Python, JavaScript, TypeScript, Git, RESTful APIs, microservices, CI/CD, Docker, Kubernetes, Databases
23h
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Software Development Engineer I
Washington or Reston or San Diego or San Francisco 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
$37-$59/hr HybridFull Time
1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.
Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript
1w
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Associate Software Engineer
Annapolis Junction, Maryland, United States
$176k-$226k/yr OnsiteFull Time
0+ YOEEntry-level software engineer with TS/Poly, US citizenship, CS degree or equivalent, and experience in AI/ML, AWS, C++, Python, or Golang.
Terraform, AWS, C++, Python, Golang, GPU-Enabled Applications, Large-Scale Streaming Data Analytics
1mo
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AI Engineer Intern
United States or Oklahoma or Texas or Missouri or Colorado or Washington or Virginia or Wyoming or Utah or Maine or New York or Ohio or Florida or Washington
$25/hr RemoteInternship
0+ YOEMS student in CS/Data Science/SE/Applied Math; shipped AI product experience; Python proficient; LLM framework experience; SQL/Pandas; strong software engineering; strong written communication.
Python, LangChain, LlamaIndex, OpenAI API, Anthropic API, Haystack, SQL, Pandas
1w
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AWS Geospatial Software Engineer
Springfield or Chantilly or McLean or Reston
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years software with cloud-first development; 5+ years backend (Java, Python, Go, C++), frontend (JavaScript/TypeScript/HTML/CSS); 3+ years geospatial data processing and spatial algorithms; 3+ years AWS services and cloud-native patterns; 3+ years Infrastructure as Code; containerization experience; TS/SCI with polygraph; Bachelor's degree.
Java, Python, Go, C++, JavaScript, TypeScript, HTML, CSS, AWS, ECS, EKS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, Terraform, CloudFormation, CDK, Docker, Kubernetes
1d
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Technical Solutions Engineer - Entry Level
Washington or Knoxville
OnsiteFull Time
1+ YOEBachelor's degree in Information Science or related STEM field; 1–3 years in data analytics, modeling, scripting, software development, or technical solution delivery; eligible for SECRET clearance.
Python, SQL, GitHub
1w
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AI/ML Engineer - Remote or Hybrid in MN/DC/NJ
Minneapolis or Washington or Basking Ridge
$73k-$130k/yr HybridFull Time
1+ YOE1+ years software engineering; Python/Java; AI/ML; AWS; API/CI/CD; security and monitoring.
Python, Java, AWS, CI/CD, APIs, Containerization, No-code/low-code platforms
2mo
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Software Engineer Intern
Alexandria, Virginia, United States
$20/hr OnsiteFull Time, Internship
0+ YOECurrently enrolled in undergraduate or graduate program; experience with AWS, GCP, or Azure; Python programming; git; Office; strong communication; able to work in fast-paced team.
Amazon Web Services, Google Cloud Platform, Microsoft Azure, Git, GitHub Copilot, Terraform
1mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
US citizenship required; active TS/SCI with Full Scope Polygraph; residency within 50 miles of Chantilly, VA; 100% onsite daytime; full-time; security clearance required.
Java, JavaScript, Bash, Python, AWS, Solr, Elasticsearch, Spring Boot, RESTful APIs, Linux, JIRA, GitHub
2mo
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Data Engineer III
Washington, District of Columbia, United States
$120k-$130k/yr RemoteFull Time
5+ YOEBachelor’s degree and 5+ years experience; proficient with data ingestion systems, cloud databases, and visualization; strong Python/Spark; data modeling, ETL, and distributed computing; mentor junior engineers.
Python, Apache Spark, ETL, Data Modeling, AWS, Databricks, SAS
2mo
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Forward Deployed Software Engineer - Tactical Edge
Washington, District of Columbia, United States
$135k-$200k/yr OnsiteFull Time
Active US security clearance (Top Secret) or willingness to upgrade; strong software engineering background; experience with containers and orchestration; proficient in Python/Java/JavaScript/Bash; comfortable collaborating with customers; willingness to travel ~25%.
Docker, Podman, OpenShift, Kubernetes, Python, Java, Bash, JavaScript, Go, Linux, Networking, On-premise infrastructure
1mo
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Senior Consultant, Full Stack Engineer - Digital & Insights in United States, District of Columbia, Washington
Washington, District of Columbia, United States
$77k-$118k/yr HybridFull Time
3+ YOE3+ years in distributed systems, full stack web development, and client-facing technical work.
Terraform, Docker, Kubernetes, AWS, Python, Spark, React, AI/ML platforms
1mo
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Cloud Engineer
Arlington, Virginia, United States
HybridFull Time
1+ YOEBachelor's degree or equivalent; 1-2 years AWS experience; US citizen with Public Trust clearance; Docker and Python; CloudFormation; ECS/Fargate; IAM; CloudWatch; X-Ray.
AWS CloudFormation, ECS, ECR, IAM, VPC, Docker, Python, AWS Parameter Store, Secrets Manager, CloudWatch, X-Ray
1w
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Infrastructure Engineer - Early Career
Torrance or Washington
$77k-$104k/yr OnsiteFull Time
0+ YOE0-2 years in infrastructure/DevOps; Linux, networking; Terraform; Git; Python/Go/Bash; strong communication.
Terraform, Kubernetes, Vault, AWS, Git, Prometheus, Grafana, CI/CD, Python, Go, Bash
1w
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Engineer I, Data Platforms
Washington, District of Columbia, United States
$97k-$108k/yr RemoteFull Time
1+ YOEBachelor’s degree in IT/CS/Engineering; 1+ years in Python/SQL; data management and cloud-native tech knowledge; DevOps/Git; APIs; object-oriented data environments; collaborative, eager to learn.
Python, SQL, Git, APIs, Cloud, Data Management, Object-Oriented Programming
1mo
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Research Engineer I
Arlington, Virginia, United States
HybridFull Time
0+ YOEMaster’s degree in Computer Science, Engineering, or related field; 0-3 years experience; proficiency in Python, C++, Golang; Linux; VLAN/VXLAN; networking and IT protocols; containerization preferred.
Python, C++, Golang, Linux, VLAN, VXLAN, Mellanox switches, SDN, Ansible, Bash, Nagios, Prometheus, SNMP, BGP, SSH, TLS, iptables, NFS, Docker
HiringCafe market data
Junior 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
130+
Hiring companies
84
Fresh sample
54% new in 30d
Salary visibility
66% show pay
Companies appearing in this market
Booz Allen HamiltonAmentumInnovative Defense TechnologiesSpace Ground System SolutionsPatriot Group InternationalUnitedHealth GroupAmerican Society of Clinical OncologyPalantir
Work location mix in visible results
Onsite: 41Hybrid: 15Remote: 3