29 fastapi developer jobs at 16 companies in Centreville, MD

2d
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Software Engineer Level 4
Elkridge, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
9+ YOEActive TS/SCI with CI polygraph, backend development, data engineering, API development, Python, FastAPI, PostgreSQL, Elasticsearch, and high-performance integrations experience.
Python, FastAPI, PostgreSQL, Elasticsearch, SQL
2w
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Full Stack Developer
Fort Meade or Columbia
$150k-$190k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
8+ YOEBachelor's degree in a technical discipline or equivalent experience, 8 years of software development, production APIs, Django/Flask/FastAPI, Docker, Kubernetes, Helm, CI/CD, databases, Git, Jira, and Confluence.
Django, Flask, FastAPI, Docker, Kubernetes, Helm, CI/CD, SQL, NoSQL, PostgreSQL, MySQL, Elasticsearch, MongoDB, Git, Jira, Confluence
3mo
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Full Stack Developer
Suitland, Maryland, United States
$104k-$159k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
2+ YOE2+ years as a Full Stack Developer; backend Python (Flask/Django/FastAPI); frontend JS (React/Vue); databases SQL/PostgreSQL; cloud deployment AWS/Azure/GC; Git; TS/SCI clearance.
Python, Flask, Django, FastAPI, JavaScript, React, Vue.js, HTML, CSS, SQL, PostgreSQL, AWS, Azure, Google Cloud, Git, Jira, Confluence
1mo
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Full Stack Developer
Suitland, Maryland, United States
HybridFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
5+ YOEActive TS/SCI clearance,5+ years software development,Python backend (Django/FastAPI),React/Next.js frontend,PostgreSQL,AW S,Terraform,Keycloak/OIDC/SAML/CAC-PIV,STIG/FIPS secure development,GitLab CI/CD,DevSecOps and AI-assisted tooling.
Django, FastAPI, Python, React, Next.js, PostgreSQL, AWS, Aurora, EKS, Kubernetes, Helm, S3, IAM, VPC, KMS, Terraform, Keycloak, OIDC, SAML, CAC-PIV, Pydantic, GitLab CI/CD, Git, SAST, DAST, SCA, SBOM, AI-assisted development tools, STIG, FIPS
2w
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Sr Software Engineer - Columbia, MD
Columbia, Maryland, United States
$129k-$229k/yr HybridFull Time
IAMUS Consulting
IAMUS Consulting: Provider of specialized cybersecurity and IT engineering services.
SME-level full-stack engineer with expertise in React, Python (FastAPI/Django), AWS, containerization, Kubernetes, secure development, and technical leadership for DoD/IC programs.
React, JavaScript, TypeScript, Python, FastAPI, Django, AWS, Docker, Kubernetes, Terraform, Ansible, GitOps
2d
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Automation Developer - Service Enablement
Lanham, Maryland, United States
OnsiteFull Time
AST SpaceMobile
AST SpaceMobileNASDAQ: ASTS: Space-based cellular broadband network for standard mobile devices.
4+ YOEBachelor's degree in a relevant computing field, 4+ years of automation development, strong Python skills, and experience with telecommunications, satellite, embedded, RF, CI, APIs, AI agents, and test systems.
Python, REST APIs, Git, Jenkins, GitLab CI, FastAPI, React, PostgreSQL, InfluxDB, AWS ECS/Fargate, Amazon S3, Microsoft SharePoint, Graph, Jira, SCPI/TCP, HTTP/XML, SNMP, SSH, Claude Code, Cursor, GitHub Copilot, Model Context Protocol (MCP)
3w
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AI Developer
Washington or Fort Meade
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years building production-grade software (Python, TypeScript, or Java) with APIs and data services; experience with LLMs/RAG/agentic workflows, MLOps/DevSecOps, cloud data foundations (AWS), and event-driven integrations; Secret clearance and HS diploma/GED required.
Python, TypeScript, Java, FastAPI, Flask, REST, GraphQL, SQL, AWS, Kafka, NATS, RabbitMQ
1mo
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Mid-Level Full Stack Developer
Suitland, Maryland, United States
$170k-$190k/yr HybridFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
5+ YOEActive TS/SCI clearance, 5+ years development experience, strong Python/Django backend skills, React/Next.js frontend experience, PostgreSQL and AWS proficiency, Terraform and GitLab CI/CD experience, B.S. in STEM.
Python, Django, FastAPI, ASGI, Pydantic, React, Next.js, PostgreSQL, Amazon Aurora, AWS, EKS, Kubernetes, S3, IAM, VPC, KMS, Terraform, GitLab CI/CD, GitLab, Keycloak, OIDC, SAML, JWT, Helm
1mo
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Frontend Software Engineer — Secure Mission Systems
United States or Laurel
RemoteFull Time
Rackner
Rackner: Builds cloud-native software and AI systems for government agencies.
4+ YOE4+ years software development experience, proficiency with React and TypeScript, API integration, unit/integration testing, secure SDLC practices, Git, and a bachelor\u0002s in computer science or related field.
React, TypeScript, Cesium, CesiumJS, OpenShift, Kubernetes, GitLab, FastAPI, Flask, Python, Git
2d
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GenAI Python Systems Engineer-Director
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Fort Worth or Greensboro or Hartford or Houston or Grand Rapids or Indianapolis or Irvine or Jacksonville or Kansas City or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or United States or New York City or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$155k-$410k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
10+ YOEBachelor's degree and 10 years of experience required. Requires Python, SQL, relational database, FastAPI, AI/LLM, cloud storage, data warehouse/lake, and cloud IAM expertise.
Python, SQL, FastAPI, AWS Certified Solutions Architect, AWS Data Engineer, Google Professional Cloud Architect, GCP Data Engineer, Microsoft Azure Solutions Architect Expert, Azure Data Engineer Associate, Snowflake Core, Snowflake Databricks Data Engineer Associate, IAM
1mo
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Junior Software Engineer (Frontend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
3+ YOEActive TS/SCI with Poly required; 3+ years software engineering with a Bachelor\u0002s degree (or 7+ years without). Strong frontend skills with JavaScript/TypeScript, HTML, CSS, modern frameworks (React/Angular), DB familiarity, Docker, Git, and Linux; US residency required.
JavaScript, TypeScript, HTML, CSS, React, Angular, PostgreSQL, SQLite, MySQL, Docker, Git, Linux, FastAPI, Spring Boot, Vue.js, Java, Python, Bash, PowerShell, Elasticsearch, MongoDB, CI/CD, GitLab CI, Kubernetes, Ansible, AWS
3mo
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Machine Learning Application Engineer
College Park, Maryland, United States
$80k-$110k/yr OnsiteFull Time
University of Maryland
University of Maryland: Public research university providing undergraduate and graduate degree programs.
Bachelor's degree in CS/Engineering or related field; 2+ years experience; ML/NLP/vision skills; PyTorch/scikit-learn; CI/CD; ability to obtain security clearance.
PyTorch, scikit-learn, SciPy, Docker, FastAPI, React, PostgreSQL, MongoDB, ElasticSearch, pgvector, Git CI/CD, Docker-based deployment
2mo
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AI & Decision Engineer
Laurel, Maryland, United States
$100k-$245k/yr HybridFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Bachelor's in CS/CE/EE/Applied Math/Data Science, experience building production or prototype LLM/generative-model applications, proficiency in Python and a modern web/backend framework, relational DB experience, hands-on with RAG/LLM agents/vector DBs, strong communication, active Secret clearance and U.S. citizenship required.
Python, FastAPI, Flask, Django, PostgreSQL, SQL, Retrieval-Augmented Generation (RAG), Qdrant, ChromaDB, Hugging Face Transformers, Hugging Face TRL, TRL, LangChain, Llama, Mistral, AWS, SageMaker, Prefect, MLflow, React, GPT-4
3mo
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Principal Full Stack Software Engineer
Laurel, Maryland, United States
$200k-$280k/yr OnsiteFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
12+ YOEActive or reinstateable TS/SCI with Polygraph; US citizenship; 12 years experience or 4 additional years with BS; strong Python, JavaScript/TypeScript React; Linux; big data; able to work with customers.
Python, JavaScript, TypeScript, React, AWS, FastAPI, Angular, Spring Boot, Pandas, Spark, DuckDB, Polars, Linux
3mo
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Linux Security Engineer
Essex Junction or Annapolis Junction or Alexandria
$102k-$152k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Expertise in Linux security, configuration management tools, scripting, and container orchestration; ability to obtain Public Trust clearance.
Ansible, Chef, Puppet, SaltStack, Docker, Podman, Kubernetes, ECS/EKS, Fargate, Singularity, Python, Flask, Django, FastAPI, Twistlock, Falco, Clair, New Relic, Nagios
3w
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Senior Forward Deployed Engineer
Owings Mills, Maryland, United States
$130k-$150k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
12+ YOE12+ years software/data engineering experience delivering AI/GenAI/LLM/RAG/agentic solutions; strong Python, AWS, EM production skills; experience with embeddings, vector DBs, LangChain-family tools and enterprise integrations.
Anthropic Claude, Amazon Bedrock, Python, FastAPI, Flask, LangChain, LangGraph, LlamaIndex, AutoGen, RAG, Lambda, API Gateway, Step Functions, ECS, EKS, S3, IAM, KMS, CloudWatch, CloudTrail, CI/CD, MCP servers
5d
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Computer Scientist (Job #731)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Defense Acquisition Support Services
Defense Acquisition Support Services: Provides systems engineering and technical assistance to defense agencies.
8+ YOERequires 8+ years of experience, a bachelor's degree in computer science, computer engineering, data science, or related field, active DoD security clearance, and DoD software development experience.
React, React Native, HTML, JavaScript, TypeScript, eCharts, D3, Power BI, Python, FastAPI, SQL, SQLite, Vantage, Foundry
4d
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SIGINT Analyst
Fort Meade, Maryland, United States
$78k-$176k/yr OnsiteFull Time, Part Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Requires 7+ years of SIGINT analysis, 2+ years of electronic warfare, DoD and IC database knowledge, analytical skills, HS diploma/GED, and active TS/SCI clearance with polygraph willingness.
Python, SQL, FastAPI, JavaScript, React, Node.js, Apache Kafka, Parquet, Airflow, Pandas, Pyspark, SQLAlchemy