1,499 fastapi developer jobs at 696 companies in United States

1mo
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Senior Full-Stack Developer (React + Python/FastAPI)
Jersey City or Dallas or Tampa
$75k-$150k/yr HybridFull Time
DTCC
DTCC: Global post-trade market infrastructure for the financial services industry.
6+ YOE7+ years full-stack experience with React, Python/FastAPI, SQL, Docker, and cloud; strong design, performance, security, and mentoring skills.
React, Python, FastAPI, SQL, Snowflake, Docker, Nginx, AWS EC2
5h
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Backend Engineer (Python/FastAPI)
Austin or United States
$200-$300/hr RemoteContract
Turing
Turing: AI research accelerator and intelligent talent cloud platform.
3+ YOE3+ years of software engineering experience; strong Python and JavaScript expertise including React and Node.js; production deployment, architecture, debugging, code review, and communication skills required.
Python, FastAPI, JavaScript, React, Node.js, C, C++, Java, Rust, Go
3w
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ETL Developer
Maryland, United States
OnsiteFull Time
Infinite Computer Solutions
Infinite Computer Solutions: Global provider of digital engineering and IT services.
5+ YOEBachelor's degree and 5+ years in data engineering or ETL development. Requires advanced Python, PySpark, and SQL, FastAPI, cloud platforms, databases, REST APIs, and data pipeline experience.
Python, PySpark, Apache Spark, SQL, MongoDB, Elasticsearch, Snowflake, Microsoft SQL Server, FastAPI, OpenAPI, Swagger, OAuth2, JWT, AWS, Amazon S3, Google Cloud Platform (GCP), Google Cloud Storage (GCS), CI/CD
2mo
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Software Developer
McLean, Virginia, United States
OnsiteFull Time
Easy Dynamics Corporation
Easy Dynamics Corporation: Woman-owned IT services delivering cybersecurity, cloud, identity, and risk-management solutions to U.S. federal agencies.
3+ YOE3+ years software development experience, Bachelor's in Engineering or related field required; strong Python backend (FastAPI, Pydantic, SQLAlchemy), React/TypeScript frontend, SQL experience, testing and CI/CD familiarity.
Python 3, FastAPI, Pydantic, SQLAlchemy, SQLite, PostgreSQL, Microsoft SQL Server, Alembic, React, TypeScript, Vite, Material UI, React Router, React Hook Form, Zod, pytest, Playwright, GitHub Actions, npm, uv, Docker, Bicep, PowerShell, Git, GitHub, Node.js, ESLint, Prettier, Ruff, Pyright
3mo
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Senior Backend Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
Hedra
Hedra: Generative-media lab providing video, image, and audio creation tools for creators and businesses.
5+ YOE5+ years backend development with Python, FastAPI/Pydantic; Kubernetes/EKS; relational databases; AWS stack; building scalable services.
Python, FastAPI, Pydantic, Kubernetes, EKS, PostgreSQL, Redis, S3, DynamoDB, AWS
1mo
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Senior Engineer
Santa Clara, California, United States
$120k-$150k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
6+ YOEExpertise in Python or Java, full-stack development (Next.js/React/TypeScript), GraphQL and FastAPI backend, prompt engineering and GenAI tooling, cloud deployment on AWS/Azure, and bachelor's degree or equivalent.
Python, Java, Ariadne(GraphQL), appoloClientGraphQL, FastAPI, Next.js, React, TypeScript, Javascript, GitHub Copilot, Amazon Code Whisperer, GPT-4, Claude, Llama, AWS Lambda, S3, EC2, SageMaker, Azure Functions, Blob Storage, Azure OpenAI Service
2w
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Senior Developer
Hyderabad or New York City
OnsiteFull Time
New York Stock Exchange
New York Stock Exchange: U.S. stock exchange serving public companies, investors, and trading firms through listings, equity trading, and market data.
5+ YOE5+ years in software development and 2+ years in GenAI or NLP; proficiency in Python, FastAPI, asyncio, Hugging Face, OpenAI APIs, LangChain, vector databases, and MLflow.
LangChain, Pinecone, Weaviate, MLflow, Docker, Kubernetes, Python, FastAPI, asyncio, Hugging Face, OpenAI APIs, ChatGPT, GitHub Copilot, Microsoft Teams, CI/CD, RAG
1w
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Software Engineer Level 4
Elkridge, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Federal technology provider supporting national security and intelligence missions.
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
2mo
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Full Stack Developer
McLean, Virginia, United States
HybridFull Time
TechnoMile
TechnoMile: N AI-enabled cloud-software provider helping government contractors manage growth, contracts, compliance, and security.
Bachelor's preferred; proficiency with Python, FastAPI/Django, React, PostgreSQL/MySQL, Docker, CI/CD, cloud platforms; strong debugging, communication, and AI-assisted development skills.
Python, FastAPI, Django, React, JavaScript, TypeScript, PostgreSQL, MySQL, Docker, GitHub Actions, Jenkins, Git, Claude, Cursor, ChatGPT, GitHub Copilot, AWS, Azure, Google Cloud Platform, Redis, Kafka, Elasticsearch, Kubernetes
1w
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Lead Software Developer
United States
RemoteFull Time
Quantiphi
Quantiphi: AI-first digital engineering helping enterprises solve complex business problems with artificial intelligence, cloud, and data engineering.
5+ YOERequires 5+ years in full-stack or backend development, expertise in Python, FastAPI, ReactJS, PostgreSQL, testing, GCP, SDLC, cloud-native architecture, and AI/ML integration, plus a related bachelor's degree.
Python, FastAPI, ReactJS, PostgreSQL, Pytest, Vitest, GCP, Cloud Run, GKE, App Engine, Cloud SQL, Secret Manager, AWS, Git
1mo
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Software Engineer
Toronto or New York City
RemoteFull Time
Meow
Meow: Private fintech providing business banking, corporate cards, payments, and treasury tools for startups and global businesses.
1+ YOE1-4 years full-stack web development experience; proficiency with TypeScript, React, Python/FastAPI, Postgres, AWS; experience with APIs, state machines, and customer-facing iteration.
TypeScript, React, Python, FastAPI, Postgres, AWS
2w
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Python Software Engineer
Blumenau or Australia or India or Morocco or Portugal or Romania or Spain or United Kingdom or United States or Vietnam
RemoteFull Time
Mindera
Mindera: AI-enabled consulting and software engineering building scalable digital systems for global clients.
Strong Python and FastAPI development, Azure cloud infrastructure, Terraform, AKS/Kubernetes, Docker, networking, data pipelines, AI applications, and fluent English communication skills.
Python, FastAPI, Azure, WAF, CDN, Terraform, AKS, Kubernetes, Docker, Kafka, Kinesis, CI/CD, LLM
2w
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Full Stack Developer (16906)
Tennessee, United States
OnsiteTemporary, Full Time
Oak Ridge National Laboratory
Oak Ridge National Laboratory: Government-owned, contractor-operated U.S. Department of Energy multiprogram research laboratory serving national energy, security, and scientific missions.
5+ YOERequires 5+ years of professional software development experience and proficiency in JavaScript, Python, SQL, FastAPI, frontend frameworks, state management, and PostgreSQL; communication skills required.
JavaScript, Python, SQL, FastAPI, Angular, React, Vue, Pinia, PostgreSQL, Vuetify, TypeScript, GraphQL, Microsoft Word, Adobe PDF, Rich Text Format (RTF), HTML
6d
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Senior Software Engineer – TeamUp
Wayne or Austin or United States
$140k-$160k/yr RemoteFull Time
TeamUp
TeamUp: Vertically focused SaaS provider helping salons, pet-care, recreation, fitness, and other small businesses manage operations and payments.
5+ YOERequires 5+ years of Python backend development with Django/FastAPI, REST APIs, Vue, JavaScript/TypeScript, SQL, relational databases, asynchronous programming, task queues, and AI-assisted development.
Python, Django, FastAPI, Vue, JavaScript, TypeScript, SQL, MySQL, Celery, Claude Code, Cursor, GitHub Copilot, AWS, Docker, Kubernetes, Kafka, Pinia, Vite, Nuxt
1mo
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Allvue/Python Developer
United States
OnsiteFull Time
IntelliBee
IntelliBee: IT services and staffing provider delivering enterprise integration and professional services to business clients.
Must have financial domain experience, proficiency with Python and Allvue API integrations, experience with Django/FastAPI/Zope REST Framework, ETL development, document parsing (PDF/Excel), MySQL/SQL, and data serialization (JSON/XML).
Allvue API, Python, Django, FastAPI, Zope REST Framework, MySQL, SQL, JSON, XML
1mo
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Full Stack Developer
Washington or Ashburn or Manassas
HybridFull Time
All Native Group
All Native Group: Tribal-owned federal contractor providing health, IT, logistics, training, and professional services to U.S. government agencies.
5+ YOE5+ years full-stack experience with Python, FastAPI, ReactJS, PostgreSQL, Docker, and AWS; CI/CD and trunk-based development; public trust clearance required; bachelor's degree or equivalent preferred.
Python, FastAPI, ReactJS, PostgreSQL, Docker, AWS, ECS, EKS, pytest, Jest, React Testing Library, OpenAPI/Swagger, CI/CD
3w
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Full Stack Developer
Fort Meade or Columbia
$150k-$190k/yr OnsiteFull Time
Visionist
Visionist: Employee-owned defense contractor providing software, analytics, and UX services for national-security missions.
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
1mo
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Full Stack Developer
Dallas, Texas, United States
$88k-$121k/yr OnsiteFull Time
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
5+ YOE5+ years software development with 5+ years Python and FastAPI; experience with Snowflake, Databricks, Apache Iceberg, Microsoft Azure, SQL, MLflow, Azure OpenAI/LLMs; bachelor's in CS/Engineering or equivalent.
Python, FastAPI, REST APIs, Snowflake, Databricks, Apache Iceberg, Microsoft Azure, SQL, MLflow, Azure OpenAI, LangChain, AKS, Git, Docker, CI/CD, Azure Functions, Azure API Management, Azure Key Vault, Azure DevOps, Kubernetes, Terraform, PySpark, OpenAI, Anthropic
1mo
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AI Engineer
Washington, District of Columbia, United States
OnsiteFull Time
Analytica
Analytica: Private federal management consulting and technology services firm serving U.S. government agencies.
4+ YOEBachelor's degree in CS/Statistics or related, 4+ years developing software/AI/ML, Python, Flask/FastAPI, JavaScript, experience with LLMs/Generative AI, and active IRS MBI clearance required.
Python, Flask, FastAPI, JavaScript, LangGraph, CrewAI, Haystack, AutoGen, Large Language Models (LLMs)
1mo
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Software Engineer - MID
Colorado Springs, Colorado, United States
$109k-$147k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
5+ YOE5+ years software development experience; proficiency with Python, JavaScript/TypeScript, Flask/FastAPI, React, Postgres, SQLAlchemy; TS/SCI clearance required; Bachelor’s in CS or related.
Python, JavaScript, TypeScript, Streamlit, React, Flask, FastAPI, Postgres, SQLAlchemy, Elasticsearch, AWS, Docker, Kubernetes, Git