Python Developer Jobs in Leonardtown, MD, US

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Python Developer

Lexington Park, Maryland, United States

$55k-$126k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

Software development experience with Python/JavaScript/Scala; ability to obtain Secret clearance; HS diploma or GED; desirable ML/AI knowledge.

Python, JavaScript, Scala, AI/ML tools

1mo

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1mo

Python Developer (Cybersecurity)

Dahlgren, Virginia, United States

OnsiteFull Time

TMC Technologies: Provides engineering and IT services to government and defense clients.

Develop software and security tools using Python; ability to obtain Secret security clearance; Bachelor's in Computer Science or Cybersecurity; on-site at NSWC Dahlgren.

Python

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Python Engineer, Agentic AI

Washington or Philadelphia

$121k-$181k/yr HybridFull Time

ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.

2+ YOEProficient in Python with backend focus, testing, and Agile collaboration; experience with AI agent workflows and RESTful services.

Python, Git, CI/CD, pytest, REST APIs, FastAPI, Docker, Asyncio

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Python Developer

Washington, District of Columbia, United States

OnsiteFull Time

CapgeminiEuronext Paris: CAP: Provides global business and technology transformation consulting services.

3+ YOE3+ years in data and automation engineering with Python; 3+ years SQL; 2+ years cloud platforms (Databricks, Airflow, AWS); U.S. Citizenship; able to obtain security clearance.

Python, Databricks, Apache Airflow, AWS Lambda, S3, SQL

2mo

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2mo

Python / AI Engineer

Washington, District of Columbia, United States

OnsiteFull Time

CognizantNASDAQ: CTSH: Provides information technology consulting and business process outsourcing services.

3+ YOEDesign, develop, and deploy AI solutions using cloud architectures and LLMs; lead projects; implement NLP, ML, and generative AI; ensure security and governance.

Python, TensorFlow, PyTorch, LangChain, LangGraph, Google Cloud, Azure, Azure Functions, Azure API Management, Azure Service Bus, Logic Apps, Azure Storage, Azure Cognitive Services, Azure Cosmos DB, Azure Data Factory, Databricks, Azure Data Lake, Splunk, AppInsights, Agentic AI

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Software Engineer - Python

Annapolis Junction, Maryland, United States

OnsiteFull Time

Interclypse: Provides software engineering and cybersecurity solutions for government agencies.

Develop Python/FastAPI middleware; build pipelines; implement REST API; ensure testing; participate in Agile sprints; documentation.

Python, FastAPI, REST API, Git, Agile, DevSecOps, Axway, Windows NAS, SQL, UAT

2mo

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2mo

Python / AI Engineer

Washington, District of Columbia, United States

OnsiteFull Time

CognizantNASDAQ: CTSH: Provides IT consulting, digital transformation, and business process outsourcing.

3+ YOEDegree in Computer Science, Data Science, AI or related field; 3-5 years AI development; strong Python; experience with NLP, generative AI, cloud, and LLM integrations.

Python, TensorFlow, PyTorch, LangChain, LangGraph, Google Cloud, Azure, OpenAI, Databricks, Azure Cognitive Services, Cosmos DB, Azure Data Factory

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Software Engineer (Python/Django)

Arlington, Virginia, United States

RemoteFull Time

Allocore: Cloud platforms for government loans, grants, and fraud prevention.

3+ YOE3+ years Python/Django; design and build scalable web apps; APIs with DRF; async processing; PostgreSQL; AWS/GCP/Azure; code reviews; occasional travel to DC area; U.S. citizenship for clearance.

Python, Django, Django REST Framework, Celery, PostgreSQL, AWS, GCP, Azure, Git, CI/CD

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Software Engineer III (Python)

Washington, District of Columbia, United States

$165k-$180k/yr OnsiteFull Time

TruistNYSE: TFC: Offers personal banking, business lending, and investment management services.

Proficient in Python with hands-on AWS, GitLab CI/CD, containerized apps, Terraform/CloudFormation; IaC with security; cloud infrastructure automation; English fluency; onsite in Washington DC; visa sponsorship not provided.

Python, GitLab, AWS, Terraform, CloudFormation, Wiz, ECS, EKS, EC2, S3, CloudTrail, CloudWatch, CloudFront, VPC

1mo

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1mo

SME Full Stack Developer - Java/Python , Clearance Required

Ashburn, Virginia, United States

HybridFull Time

SourceFly: We provide IT services and workforce solutions to government clients.

5+ YOE5+ years’ full-stack development with Java/Python; security clearance (Secret); government/military domain experience.

Java, Python, Spring Boot, Docker, Kubernetes, REST, React, Angular, Vue.js, Jenkins, Gitlab CI, Harness, gRPC, RabbitMQ, Kafka, AWS, PostgreSQL, Oracle, Elasticsearch, Solr, Hadoop, Spark

2mo

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2mo

AI/ML Engineer - Python/GenAI/.Net/C# - Remote

Minneapolis or Washington D.C.

$73k-$130k/yr RemoteFull Time

UnitedHealth GroupNYSE: UNH: Sells health insurance and provides diversified healthcare services.

3+ YOE3+ years Python; 2+ years C#/ .NET; cloud (Azure) experience; 1+ year Terraform; 1+ year GitHub Actions; database design; undergraduate degree or equivalent.

Python, C#, .NET, SQL, FastAPI, Azure, Terraform, GitHub Actions, LangChain, LangGraph, APIs, LLMs

1mo

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1mo

Software Engineer/Developer

Quantico or Gainesville

OnsiteFull Time

Redhorse: Delivering data insights and technology solutions to government agencies.

3+ YOETS clearance, BS in CS/CE or related field, 3+ years software development, proficiency in C#/C++/Java/Python, scripting (Bash/PowerShell/Perl).

C/C++, C#, Java, Python, Bash, PowerShell, Perl, Docker, Kubernetes, AWS, Azure, GCP, Wireshark, tcpdump, IDAx, HexRays, OllyDbg

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Engineer

Washington, District of Columbia, United States

$100k-$135k/yr OnsiteFull Time

The Atlantic: Publishes a magazine and digital journalism on politics and culture.

4+ YOE4+ years full-stack software development; 2+ years full-stack web development; JS/TS and Python; cloud (AWS or GCP); containers; CI/CD.

JavaScript, TypeScript, Python, AWS, GCP, Docker, Terraform, React, Django, GraphQL, CI/CD

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Software Developer / Integration Engineer / INT Engineer - Active Secret Clearance

Washington, District of Columbia, United States

$160k-$185k/yr HybridFull Time

Riptide Technology: Provides specialized IT engineering services to government defense agencies.

5+ YOESoftware development, integration engineering, Python, AGILE, Linux, Docker/Podman, network modeling, and security clearance.

Python, Docker, Podman, Docker Compose, Git, Jenkins, Confluence, Jira, Artifactory, Linux, VMs, gRPC, REST

1mo

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1mo

AWS Developer/Integration Engineer

Arlington, Virginia, United States

OnsiteFull Time

rockITdata: Provides AI-driven decision engineering and cloud modernization services.

4+ YOE4+ years serverless AWS development; Python/Node.js; Salesforce and data integration; FedRAMP GovCloud experience; BA/BS in CS or related field.

AWS Lambda, API Gateway, Kinesis, S3, DynamoDB, CloudWatch, Python, Node.js, Salesforce APIs, LWC, Bedrock, Lex, Verint, CloudFormation, CDK, Terraform

1mo

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1mo

Senior Developer

Rosslyn, Virginia, United States

OnsiteFull Time

ActioNet: Provides IT modernization and cybersecurity services to government agencies.

7+ YOELead design and development of software; 7–12 years in software development; proficient in Python, Java, or C#; Agile, Scrum, and SAFe; strong leadership and API integration; cloud and big data experience preferred.

Python, Java, C#, Agile, Scrum, SAFe, Cloud, Big Data, API development, Microservices

1mo

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1mo

Mid Level Developer

Rosslyn, Virginia, United States

OnsiteFull Time

ActioNet: Provides IT modernization and cybersecurity services for government agencies.

3+ YOE3–7 years software development; Bachelor's in CS/IT; Python/Java/C#; Agile/Scrum/SAFe; RESTful APIs; databases; security standards.

Python, Java, C#, REST, APIs, SQL, NoSQL, Agile, Scrum, SAFe, Cloud

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Senior Software Developer

Fort Belvoir, Virginia, United States

OnsiteFull Time

Applied Research Associates: Provides scientific research and engineering solutions for complex problems.

6+ YOESenior software developer with 6-10 years of experience in software development; strong Java, Python, web tech, cloud, containers; Agile leadership; TS/SCI upgrade path.

HTML, CSS, JavaScript, Angular, Python, Java, Golang, Vue, React, AWS, Azure, GCE, Docker, Kubernetes, Helm, CI/CD, SQL, NoSQL, Postgres, MySQL, Redis, MongoDB

2mo

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2mo

Software Engineer

Washington, District of Columbia or New York or Remote

$100k-$130k/yr HybridFull Time

Slate: Online magazine and podcast network providing news and analysis.

Experience in full stack web development, JavaScript/Python, scaling content, and publishing workflows.

Node.js, Vue.js, Python, Django, Redis, Postgres, React Native, Docker

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Systems Engineer 1 (Travel Required) - RF/Python

Annapolis Junction, Maryland, United States

$130k-$270k/yr OnsiteFull Time

Captivation Software: Provides specialized software engineering for the intelligence and defense communities.

1+ YOETop Secret/SCI clearance with polygraph; US citizen; bachelor’s in Engineering; 1 year systems engineering; Python and VBA; RF/EMI testing experience; knowledge of RF tools and test documentation.

Python, Visual Basic for Applications, RF testing equipment, Network analyzer, Spectrum analyzer, Oscilloscope

1mo

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1mo

Software Developer

Dahlgren, Virginia, United States

OnsiteFull Time

Technical Intelligence Solutions: Provides specialized engineering and cloud solutions for defense missions.

3+ YOE3+ years in software development; OO programming in Python/Go/C#/Java; version control; CI/CD (GitLab); containerization; PowerShell/Bash automation; HS diploma or GED.

Python, Go, PowerShell, Bash, Git, DOTNET, C#, Java, JavaScript, SQL, Linux, Windows, Docker, Kubernetes, Rancher, PostgreSQL, MySQL, SQL Server, MongoDB, jQuery, d3, React, Vue, AWS, Azure, APIs

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Software Developer

Springfield, Virginia, United States

OnsiteFull Time

ManTech: Provides technology solutions for defense and intelligence agencies.

8+ YOE3+ MgmtSenior software developer with 8+ years’ experience, leadership 3+ years, strong Python/Java/C++/JavaScript, secure coding, Agile/Scrum, Git, cloud, containers, SQL/NoSQL.

Python, Java, C++, JavaScript, Git, Docker, Kubernetes, SQL, NoSQL, Agile, Scrum

1mo

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1mo

Software Engineer Level 4

Annapolis Junction, Maryland, United States

OnsiteFull Time

Base-2 Solutions: Delivers engineering and technology services for national security.

Backend developer with data engineering and API development; Python, FastAPI, PostgreSQL, Elasticsearch; TS/SCI with CI Poly.

Python, FastAPI, PostgreSQL, Elasticsearch

1mo

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1mo

Software Developer – Mid (Team 04)

Washington, District of Columbia, United States

$135k-$150k/yr OnsiteFull Time

AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.

5+ YOETop-Secret clearance, 5+ years of software development experience, Bachelor's degree or equivalent, strong backend development in Java/JavaScript/Go/Python/.NET, experience with frameworks and agile development.

Java, JavaScript, Go, Python, .NET, Spring, Nodejs, NestJS, Gin, Hibernate, Struts, Git, CI/CD, AWS, Jira, Confluence, Splunk, SAFe

2mo

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2mo

Senior CNO Developer

Arlington, Virginia, United States

$144k-$216k/yr OnsiteFull Time

Two Six Technologies: Sells cybersecurity software and research for national security.

5+ YOESenior CNO Developer with Top Secret/SCI clearance, 5+ yrs exp, Python/C/C++, OS internals, networking, reverse engineering, embedded systems, and PoC development.

Python, C, C++, WinDbg, GDB, Binary Ninja, Ghidra, Wireshark, Linux, Embedded systems, Firmware analysis

1mo

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1mo

Software Developer

Springfield, Virginia, United States

$118k-$201k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.

3+ YOEBachelor’s degree in CS/IS/Engineering; at least 3 years development experience; proficiency in Python, Java, Perl, Angular, HTML/CSS, XML, Tomcat/Solr, Oracle, Postgres; experience in cloud and REST APIs.

Python, Java, Perl, Angular, HTML, CSS, XML, Apache Tomcat (Solr), Alfresco, Oracle, Postgres, REST APIs, AWS

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Agile Developer, Cyber & Data Resilience

Washington, District of Columbia, United States

OnsiteFull Time

Kroll: Provides global risk and financial advisory solutions.

12+ YOESenior Agile Developer with Java Spring Boot, Python, AWS; TS/SCI with FS Poly; 12+ years of software development; on-site SCIF at Fort Meade, MD.

Java, Spring Boot, Python, AWS, REST API, Kubernetes, Docker, GitLab, Maven, Ansible, Cypress, Cucumber, OpenSearch, ElasticSearch, MongoDB, DynamoDB, OAuth/OIDC, GitOps, CloudWatch, Lambda, Step Functions

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Software Engineer / Front End Developer - Washington D.C

Washington, District of Columbia, United States

$104k-$156k/yr OnsiteFull Time

M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.

5+ YOE5+ years in software architecture and enterprise front-end development; Angular/Angular Material; experience with IoT, REST APIs, Python; GCP; secure SDLC; DevSecOps; Agile.

Angular, Angular Material, Python, REST APIs, Linux/UNIX, Docker, Kubernetes, GCP, GitHub CI/CD, Jenkins, SonarQube

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Senior AI Developer

Salt Lake City or Washington, District of Columbia

HybridFull Time

Cicero Group: Provides data-driven strategy and management consulting services.

5+ YOE5+ years of software development; 2+ years AI/ML; Azure OpenAI/Azure AI Foundry; Python; production-grade AI delivery; ability to work with client-facing teams.

Azure OpenAI Service, Azure AI Foundry, Python, LangChain, LangGraph, Copilot Studio, Power Platform

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Summer 2026 Software Developer Internship

Annapolis Junction, Maryland, United States

$26-$35/hr OnsiteInternship, Full Time

GDITNYSE: GD: Delivers IT and mission services to government agencies.

0+ YOEC/C++, JavaScript, Java, Python software development; 0+ years experience; US citizenship.

Python, Java, C/C++, Rust, JavaScript, TypeScript

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AI/ML Software Developer

Arlington, Virginia, United States

HybridFull Time

InterImage: Provides IT modernization and cybersecurity services to federal government agencies.

Strong Python experience, full-stack development, database design (SQL/NoSQL), data pipelines, familiarity with LLMs, API development, and CI/CD practices.

Python, REST API, GraphQL, SQL, NoSQL, CI/CD, Linux

2mo

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2mo

Mid-Level Developer

Suitland-Silver Hill or United States

RemoteFull Time

Ignite IT: Provides digital transformation and cloud solutions to federal agencies.

4+ YOE4–7 years software development; strong Python; AWS Cloud Native; APIs/microservices; serverless/containerized architectures; Postgres; Agile Scrum; US citizenship.

Python, AWS, PostgreSQL, Docker, Serverless, CI/CD, Git, S3, Lambda, ECS/Fargate, EventBridge, SQS, SNS, Aurora, Cloud, REST APIs

1mo

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1mo

Embedded Developer Level 1

Annapolis or Fort Meade

OnsiteFull Time

Adaptic: Software and systems engineering services for government defense agencies.

5+ YOETS/SCI with Polygraph; Bachelor's degree; 5+ years embedded development; C/C++ and Python; low-level programming in Windows/Linux/RTOS; full lifecycle involvement.

C, C++, Python, RTOS, VxWorks, uC/OS, Windows, Linux

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Sr. Developer w/Analytics

Crystal City or United States

$100k-$150k/yr RemoteFull Time

Applied Information Sciences: Delivers cloud transformation and software engineering services to organizations.

5+ YOE5+ years software development experience with analytics; strong Python, SQL, data warehouses/lakes, Spark/Databricks, Elasticsearch; DHS Public Trust eligibility; US citizenship.

Python, SQL, PostgreSQL, Oracle, Data Warehouses, Data Lakes, Apache Spark, Databricks, Elasticsearch

1mo

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1mo

Principal Software Architect (Python)

Washington or Sarasota or Miami or Toronto

$160k-$195k/yr HybridFull Time

RumbleNASDAQ: RUM: Video sharing platform and cloud infrastructure provider.

Expert-level Python development; RESTful APIs; OAuth2/OpenID Connect; relational DBs; distributed systems; Docker/Kubernetes; GitHub/CI/CD; strong communication and mentorship.

Python, FastAPI, SQLAlchemy, Jinja2, Flask, Gunicorn, GitHub, GitHub Actions, CI/CD, Docker, Kubernetes, OpenAPI, OAuth2, OpenID Connect, PostgreSQL, MySQL, RESTful APIs, Swagger

2mo

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2mo

AWS Connect Developer - Junior

Washington, District of Columbia, United States

HybridFull Time

Blue Rose Consulting Group: Provides IT and human capital consulting for government agencies.

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

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Full Stack AI Developer

Arlington, Virginia, United States

$95k-$115k/yr HybridFull Time

Enterprise Knowledge: Strategic consulting for enterprise knowledge and information management.

1+ YOEFull Stack AI Developer with 1-3 years software development, backend Python and frontend React/JS, AI/NLP, RAG pipelines, SQL, Git, Agile.

Python, Java, JavaScript, TypeScript, React, SQL, Git, Docker, AWS, Azure, GCP, LangChain

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Software Engineer

Arlington or United States

$70k-$150k/yr RemoteFull Time

DocMe360: Delivering digital strategy and clinical AI solutions for government.

5+ YOE5–8+ years software development; healthcare domain experience; Agile; Python, React, FastAPI; REST APIs; CI/CD/DevSecOps; strong problem solving and communication.

Python, React, FastAPI, REST APIs, CI/CD, DevSecOps, VistA RPC, MUMPS, VistA, EHR

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AI/ML Engineer - Python / Agentic AI - Remote Nationwide or Hybrid in MN/DC

Minneapolis or Washington D.C.

$99k-$176k/yr HybridFull Time

UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.

3+ YOE3+ years Python, 2+ years ML on cloud, Terraform, CI/CD, SQL, API development; degree or equivalent experience.

Python, LangGraph, LangChain, FastAPI, Azure, SQL, Terraform, GitHub Actions, LLMs, Cloud