778 senior fastapi developer jobs at 437 companies in United States
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Senior Full-Stack Developer (React + Python/FastAPI)
Jersey City or Dallas or Tampa
$75k-$150k/yr HybridFull Time
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
2mo
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Senior Software Engineer, Lab Software
Cambridge, Massachusetts, United States
$144k-$210k/yr OnsiteFull Time
5+ YOESenior backend-focused software engineer with 5-8+ years of experience building large-scale systems; full-stack development; Python, FastAPI, React, TS, SQL/NoSQL; cloud, AWS, Kubernetes; collaboration with scientists.
React, TypeScript, Tailwind, FastAPI, SQL, NoSQL, Python, Pydantic, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions, Airflow, Prefect, Temporal, Dagster
2mo
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Senior Application Engineer
Seattle or Madison or Princeton or Cambridge Crossing
$138k-$183k/yr OnsiteFull Time
5+ YOE5+ years in software/cloud engineering; AWS-native; Python/FastAPI; TypeScript/Node; CI/CD; experience with LLM/agentic AI; MCP/FastMCP; security, IAM, VPC; knowledge of data stores.
Python, FastAPI, TypeScript/Node, AWS, Terraform, AWS CDK, CloudFormation, LangGraph, LangChain, PydanticAI, OpenAI, Anthropic, Gemini, AWS Bedrock
3mo
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Senior Backend Engineer (Python)
San Francisco, California, United States
$175k-$250k/yr RemoteFull Time
4+ YOE4+ years building production back-ends in Python; real-time streaming; AWS/GCP/Azure; PostgreSQL/Redis; FastAPI/asyncio; HIPAA security.
Python, FastAPI, asyncio, WebRTC, WebSockets, gRPC, AWS, GCP, Azure, Kubernetes, Kafka, SQS, Pub/Sub, Terraform, PostgreSQL, Redis, OpenTelemetry
2mo
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Senior Software Engineer (AI)
United States or Canada
$185k-$225k/yr RemoteFull Time
5+ YOE5+ years backend software, Python (FastAPI/Flask/Django), AI/LLM systems, databases, cloud (AWS), Docker/Kubernetes, CI/CD, observability, ownership and communication.
Python, FastAPI, Flask, Django, AWS, Docker, Kubernetes, CI/CD, RAG pipelines, AI SDKs, Cursor, Augment
2w
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Senior Engineer
Santa Clara, California, United States
$120k-$150k/yr OnsiteFull Time
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
2mo
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Senior Backend Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
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
2w
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Senior Developer
Atlanta, Georgia, United States
OnsiteFull Time
Experience designing and delivering Generative AI and full-stack solutions; strong programming in JavaScript, Python, Java, or C#; familiarity with React, FastAPI, Node.js, cloud, containers, Git, and LLM integrations.
React, FastAPI, Node.js, Anthropic, OpenAI, Azure OpenAI, Claude Desktop, Claude CLI, Claude Code, Cursor, Microsoft Copilot, Google Gemini, Tableau, Microsoft PowerBI, AWS, Azure, Google Cloud, Docker, Kubernetes, Git, JavaScript, Python, Java, C#
2mo
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Senior Staff Software Engineer
United States
$155k-$194k/yr OnsiteFull Time
10+ YOE10+ years in software engineering; expert Python (FastAPI/Django); REST APIs; SQL (PostgreSQL/MS SQL); cloud (GCP/AWS); leadership of technical squads; AI/SDLC tooling experience.
Python, FastAPI, Django, Angular, Typescript, REST API, PostgreSQL, MS SQL, OAuth2, JWT, GCP, AWS
1w
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Senior Software Engineer
Framingham, Massachusetts, United States
HybridFull Time
7+ YOE7+ years software development experience; bachelor's in CS/EE or related; proficiency in distributed systems and AWS; Python and FastAPI/Nuxt/Celery experience; mentoring and strong communication.
AWS, Python, FastAPI, Nuxt, Celery, MQTT
3mo
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Senior Software Engineer, AI
El Segundo or United States
$153k-$170k/yr RemoteFull Time
7+ YOESenior software engineer with 7+ years of experience in Python/Typescript, AI agent frameworks, and production-grade systems.
Python, TypeScript, FastAPI, Docker, LangGraph, LangChain, CrewAI, LlamaIndex, Chroma, Milvus, Weaviate, Qdrant
3w
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Senior Software Engineer
United States
$160k-$180k/yr RemoteFull Time
6+ YOE6+ years software development, strong Python and backend API experience, FastAPI, containerized AWS deployments, SQL/ Postgres, testing and system design; Bachelor's in CS or equivalent experience.
Python, FastAPI, Vue.js, PostgreSQL, Redis, Docker, Kubernetes, OpenAPI, AWS, UML
1mo
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Senior Software Engineer
New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Maine or Maryland or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Utah or Wisconsin
$165k-$185k/yr RemoteFull Time
8+ YOE8+ years backend experience with modern Python stack, leadership experience, proficiency in Postgres/SQLAlchemy, AWS, Terraform, FastAPI, React/TypeScript, observability, and familiarity with AI-assisted development.
Python, FastAPI, Pydantic, PostgreSQL, SQLAlchemy, Alembic, Temporal, Redis, AWS RDS, AWS S3, AWS SQS, AWS DynamoDB, AWS ECS, AWS IAM, Terraform, React, TypeScript, Claude Code
1mo
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Senior Senior Backend Engineer - Python
United States
$165k-$215k/yr RemoteFull Time
6+ YOE6+ years backend development with expert Python (3.12+), async, FastAPI, Pydantic v2; experience with distributed systems, durable workflow orchestration (Temporal preferred), testing and observability; strong communication and mentoring skills.
Temporal, pydantic-ai, ReAct, Claude, Python, FastAPI, Pydantic v2, pytest, syrupy, GitLab CI/CD, Octopus Deploy, New Relic APM, Playwright, structlog
2mo
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Senior Software Engineer
Chicago, Illinois, United States
$153k/yr RemoteFull Time
5+ YOERequires advanced Python development, relational/vector databases, cloud services, and AI/ML concepts with REST APIs and CI/CD.
Python, FastAPI, Flask, REST API, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, Pandas, Plotly, Matplotlib, AWS, S3, RDS, API Gateway, Lambda, Redis, SQS, Celery, Git, CI/CD, GraphQL, OpenAI, Anthropic, MistralAI, UML
2mo
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Senior Python Developer (Lead)
Washington, District of Columbia, United States
RemoteFull Time
7+ YOE7+ years software development, strong Python 3.x experience, FastAPI/Flask/Django, REST API design, Agile and CI/CD/DevSecOps experience, leadership experience, eligible for Public Trust clearance.
Python 3.x, FastAPI, Django, Flask, AWS, Azure, Google Cloud Platform, Docker, Kubernetes
2mo
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Senior Backend Developer- Dallas, TX
Dallas, Texas, United States
$40k-$142k/yr OnsiteFull Time
Photon: Provider of technology solutions.
Strong backend development in Python/Java, AWS, microservices, databases, and CI/CD; experience with Terraform or CloudFormation.
Python, Java, AWS, Django, Flask, FastAPI, Spring Boot, Jakarta EE, Lambda, EC2, ECS, EKS, S3, RDS, DynamoDB, SQS, SNS, PostgreSQL, MySQL, Redis, MongoDB, Git, Docker, Kubernetes, Maven, Pytest, JUnit, VPC, API Gateway, OAuth2, JWT, IAM, Terraform, CloudFormation
2mo
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Senior Software Engineer - Front End Developer
Home, Virginia, United States
$91k-$178k/yr RemoteFull Time
5+ YOESenior front-end engineer with 5+ years exp, BS in Software Engineering/CS, US citizenship, ability to obtain Secret clearance.
HTML, CSS, JavaScript, React, Vue, Angular, Next.js, Vite, Webpack, Rollup, TailwindCSS, CSS-in-JS, styled-components, RBAC, RESTful APIs, WebSockets, Pub/Sub, Python, FastAPI, SQL, Redis
3w
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Senior Software Engineer
Austin, Texas, United States
HybridFull Time
5+ years software development, 2+ years architecture experience, Bachelor’s in CS or equivalent, proficiency with Python (FastAPI,Pydantic,NumPy,Pandas), React, Node.js, GraphQL, cloud (AWS), data platforms (Snowflake, Airflow), strong design and leadership skills.
Python, FastAPI, Pydantic, NumPy, Pandas, React, Node.js, GraphQL, AWS, Snowflake, Airflow
1mo
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Senior Software Engineer, Platform
United States or Canada
$160k-$190k/yr RemoteFull Time
5+ YOE5+ years full-stack experience with Python (FastAPI/Django/Flask), React, PostgreSQL, AWS; strong fundamentals in data structures, algorithms, API and database design; prior senior IC/tech lead experience and US/CA work authorization.
Python, FastAPI, Django, Flask, React, PostgreSQL, Redis, AWS, ML, NLP, LLM
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