158 flask jobs at 74 companies in Washington, DC

3mo
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Software Engineer-TS/SCI with Poly
Linthicum Heights, Maryland, United States
$113k-$238k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOETS/SCI with poly, Python, Django/Flask, REST, MongoDB/MariaDB, backend/middleware, microservices
Python, Django, Flask, MongoDB, MariaDB, REST, Microservices, JSON, Docker, AWS
2mo
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Senior Database Engineer with Poly
Hanover, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
10+ YOEBachelor’s degree and 10+ years of database experience; TS/SCI with Poly clearance; MongoDB/MariaDB; Django/Flask; REST/microservices.
MongoDB, MariaDB, Django, Flask, REST, Microservices, AWS, Docker, IDEs, JSON, XML, Jira, Confluence, Git, Agile
1mo
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Senior Database Engineer with Poly
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
10+ YOEBachelor's degree and 10+ years database experience, TS/SCI with Poly clearance required, proficiency with MongoDB or MariaDB, experience with Django/Flask, REST and microservices.
MongoDB, MariaDB, Django, Flask, REST, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git
1mo
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Software Engineer 1
Herndon or Potomac
OnsiteFull Time
Kepora
Kepora: A technology building software solutions for mission-focused customers.
U.S. citizenship and active TS/SCI with Full Scope Polygraph required. Proficiency in Python, Django or Flask, MongoDB or MariaDB, REST endpoint development, and microservice design.
Python, Django, Flask, MongoDB, MariaDB, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git
3mo
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Full Stack Engineer
Herndon, Virginia, United States
$117k-$243k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
7+ YOE7+ years of software development experience; Python, Java, C++; Docker, Django, Flask, or Apache; bachelor's degree in a technical field; active TS/SCI clearance.
Python, Java, C++, Docker, Django, Flask, Apache
2mo
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Full Stack Web Developer
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEB.S. in CS or related, active TS/SCI clearance, 5+ years web development, strong React.js and TypeScript skills, backend experience with Flask/Express.js, Python, PostgreSQL, and Git.
React.js, Flask, Express.js, Python, HTML5, CSS3, TypeScript, JavaScript, PostgreSQL, Git, GitLab CI/CD, Docker, WebSockets, Tailwind CSS, SQLAlchemy, Prisma, Drizzle, Tanstack Tools, Redis, AWS, Azure, GCP
3mo
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Database Engineer 3
Linthicum, Maryland, United States
$200k-$230k/yr OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
10+ YOEActive TS.SCI w FSP through MD; 10+ years DBE experience; Python; MongoDB or MariaDB; Django or Flask; REST endpoints; microservices; experience with databases and cloud environments.
MongoDB, MariaDB, Python, Django, Flask, REST, Microservices, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON serialization, XML serialization, Jira, Confluence, Git, Agile
1mo
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Python Web Application Developer
Tysons Corner or Falls Church
$32-$45/hr HybridFull Time
IntelliDyne
IntelliDyne: Provides IT consulting and technology solutions to government agencies.
5+ YOE5+ years Python development, Flask experience, web app deployment and security, authentication and certificate management, REST API and database integration, Git, strong debugging and communication skills.
Python, Flask, Microsoft Entra ID, HTML, CSS, JavaScript, REST APIs, OAuth, SSO, PostgreSQL, SQL Server, MySQL, Git, Azure, AWS, IIS, NGINX, Apache, Docker, Linux, Windows, CI/CD
2w
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Full Stack Developer
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
5+ YOE5+ years Python experience, familiarity with Flask/Django/FastAPI, SQL/ORM, JavaScript/TypeScript front-end frameworks, unit/integration testing, containerized AWS deployments, and security clearance eligibility.
Python, Flask, Django, FastAPI, SQL, SQLAlchemy, JavaScript, TypeScript, CSS, React, Angular, Vue, Docker, Kubernetes, AWS, RESTful APIs
1mo
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Python Web Application Developer
Tysons Corner or Falls Church
HybridFull Time
IntelliDyne
IntelliDyne: Provides IT solutions and consulting services to government agencies.
5+ YOE5+ years Python development, Flask experience, web app deployment and security, authentication and certificate management, REST APIs, relational DBs, Git, HTML/CSS/JavaScript, strong debugging and communication skills.
Python, Flask, Microsoft Entra ID, HTML, CSS, JavaScript, REST APIs, PostgreSQL, SQL Server, MySQL, Git, Azure, AWS, IIS, NGINX, Apache, Docker, Linux, Windows, CI/CD
2w
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Generative AI Engineer (Clearance Required)
Arlington, Virginia, United States
HybridFull Time
InterImage
InterImage: Provides IT modernization and cybersecurity services to federal government agencies.
5+ YOEActive Top Secret clearance, 5+ years software development, 2+ years Generative AI/ML, strong Python, experience with LLMs, Azure, containerization, FastAPI/Flask, Git and CI/CD, and distributed systems.
Python, GPT, Llama, Claude, Mistral, FastAPI, Flask, Microsoft Azure, Microsoft Azure OpenAI Service, Azure Kubernetes Service (AKS), Azure Functions, Azure Storage, Microsoft Azure AI Search, Azure Machine Learning, Azure AI Foundry, Azure Cognitive Services, Docker, Kubernetes, Git, CI/CD, DevSecOps, LangChain, LangGraph, Semantic Kernel, LlamaIndex, Pinecone, Milvus, pgvector, Chroma, Model Context Protocol (MCP), Terraform, Bicep
1mo
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Senior Software Architect
Washington or Sarasota or Miami or New York City or Toronto or Longboat Key
$165k-$190k/yr OnsiteFull Time
Rumble
RumbleNASDAQ: RUM: Video sharing platform and cloud infrastructure provider.
Expert-level Python backend development; experience with FastAPI or Flask, SQLAlchemy, RESTful APIs, OAuth2/OpenID Connect, distributed systems, PostgreSQL/MySQL, Docker, Kubernetes, Git-based CI/CD, and architectural leadership.
Python, FastAPI, Flask, SQLAlchemy, Jinja2, OAuth2, OpenID Connect, PostgreSQL, MySQL, Docker, Kubernetes, Git, Go, React, TypeScript, OpenStack, Ceph, Odoo, Pytest
1mo
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Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
7+ YOEActive TS/SCI with polygraph required; 7+ years backend development experience with Python, RESTful APIs, Django/Flask, Docker, MariaDB/MongoDB; experience with Git, Jira, Confluence; strong troubleshooting and communication skills.
Python, Django, Flask, MariaDB, MongoDB, JSON, XML, Docker, Git, Jira, Confluence, AWS
2w
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Full-Stack Software Engineer
Reston, Virginia, United States
$165k-$195k/yr HybridFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
Experience building full‑stack applications with Python/Flask and front-end JavaScript; containerization with Docker on RHEL-family Linux; integrating on-device AI/ML and vector store workflows; TS/SCI clearance preferred.
Python, Flask, JavaScript, HTML, CSS, Docker, Rocky Linux, RHEL, Ollama, ChromaDB, all-MiniLM, Whisper, faster-whisper, Apache Tika, Dublin Core, ClamAV, YARA, Git
1mo
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26-1106: Full Stack Python Developer - Herndon, VA
Herndon, Virginia, United States
OnsiteFull Time
Navitas Business Consulting
Navitas Business Consulting: Provides digital transformation and IT solutions for government agencies.
5+ YOE5+ years software engineering with Python and web app development; experience with Flask/FastAPI, cloud-native delivery (Docker/Kubernetes), CI/CD, Databricks/Spark, search/graph platforms, and modern front-end frameworks.
Python, Flask, FastAPI, Databricks, Spark, Elasticsearch, Neo4j, Docker, Kubernetes, Git, React, Angular, Vue, CI/CD, LLMs, RAG
2mo
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Software Engineer 1 (API)
Linthicum Heights, Maryland, United States
$52-$107/hr OnsiteFull Time
Wyetech
Wyetech: Provides professional engineering services for government and commercial sectors.
7+ YOEU.S. citizenship and Top Secret/SCI clearance with appropriate polygraph required; 7 years SWE experience; Bachelor’s in Computer Science (or 4 additional years of SWE experience); strong Python, Django/Flask, ReST, and database skills.
Python, Django, Flask, MariaDB, MongoDB, PostgreSQL, ReST, JSON, XML, Swagger, AWS, Docker, Visual Studio Code, Jira, Confluence, Git
3w
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Sr Managers, Software Eng Full Stack
Bethesda, Maryland, United States
$261k-$275k/yr HybridFull Time
T-Mobile
T-MobileNASDAQ: TMUS: Provides wireless voice, data, and mobile internet services.
5+ YOEMaster's with 5 years (or Bachelor's with 7 years) in CS or related; experience building full-stack solutions with Python (Django/Flask), cloud (AWS/GCP), mobile and web stacks; proven people leadership and cross-functional management.
Python, Django, Flask, AWS, Google Cloud Platform, JavaScript, Objective-C, Swift, Ruby, Kotlin, Java, PostgreSQL, MySQL, MongoDB, DynamoDB, Elasticsearch, Xcode, Android Studio, Angular, AngularJS, Angular CLI, TypeScript, Angular Material, ESLint, Karma, Jasmine, Git, Gitlab CI, Jira, Confluence, Jira Dashboards, Jira Plan, Jira Automations
1mo
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Senior Python Developer
Washington or Virginia or Maryland
$90k-$130k/yr OnsiteFull Time
Tripoint Solutions
Tripoint Solutions: Providing technology modernization and data services to federal agencies.
5+ YOEBachelor's in CS or related, 5+ years Python development, experience with Django/Flask, REST APIs, PostgreSQL, Git, Unix/Linux, AWS/Cloud platforms, Jupyter Notebooks; U.S. citizenship and eligibility for Federal Public Trust required.
Python, Django, Flask, Jupyter Notebook, Git, PostgreSQL, Unix/Linux, HTML, JavaScript, Docker, Kubernetes, AWS, Cloud Foundry, Heroku, ServiceNow, UiPath
4d
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Development Lead
Raleigh or Atlanta or Dallas or Richmond or Tysons Corner or Charlotte
$125k-$200k/yr HybridFull Time
Cherry Bekaert
Cherry Bekaert: Provides accounting, tax, and business advisory services to organizations.
7+ YOE2+ MgmtBachelor's or equivalent experience,7+ years software development with 2+ years lead experience; full-stack with React, Next.js, TypeScript, Python, Flask; REST/OpenAPI, SQL, Docker, CI/CD, DevSecOps, Agile; mentoring and technical leadership.
React, Next.js, TypeScript, Python, Flask, OpenAPI/Swagger, SQL, Docker, CI/CD, SAST, OWASP Top 10
2mo
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Sr. Software Engineer, TS/SCI w/poly
Laurel, Maryland, United States
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
14+ YOEActive TS/SCI clearance with polygraph; 14+ years software engineering; Bachelor’s in Computer Science or related field, or 4 years experience in lieu of degree; strong JavaScript, Flask/Django/Spring Boot; data pipelines; collaboration and communication.
JavaScript, TypeScript, React, Solid, jQuery, Flask, Django, Spring Boot, D3, SVG, Canvas, WebGL, WebGPU