30 fastapi developer jobs at 17 companies in Folcroft, PA
3d
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Senior Forward Deployment Engineer
New York City or San Francisco or Princeton
RemoteFull Time
9+ YOERequires 9+ years of software engineering experience, expertise in full-stack development, data architecture, React, JavaScript/TypeScript, Python, FastAPI, PostgreSQL, Redis, PySpark, AWS, and technical leadership.
React, JavaScript, TypeScript, Python, FastAPI, PostgreSQL, RDS, Aurora, Redis, PySpark, Kestra, AWS, EKS, Kubernetes, GitHub Copilot, Cursor, LLM
1mo
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Lead Software Engineer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; building high-volume, low-latency transactional systems; microservices with Java/Spring Boot and Python (FastAPI/Flask); AWS services experience; SQL/RDBMS proficiency; agile/SCRUM and experience with AI-assisted development tools.
Java, Python, Spring Boot, FastAPI, Flask, S3, DynamoDB, ECS, EKS, RDS, Lambda, ALB, NLB, GitHub Copilot, Claude, Splunk, Dynatrace, Grafana, RDBMS, SQL, JDBC, Databricks
2mo
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AI Engineer
Broomall, Pennsylvania, United States
$175k-$190k/yr RemoteFull Time
3+ YOEBachelor's degree or equivalent; 3–5 years building production AI/ML systems or full-stack applications; Python, FastAPI, SQL, AWS, RAG, semantic search, testing, and code review experience.
LangChain, LangSmith, Agentcore, RAG, GraphRAG, Neo4j, Neptune, Python, AWS Glue, Amazon S3, SQL, Cypher, SPARQL, OpenSearch, FastAPI, MLflow, Amazon CloudWatch, PyTorch, TensorFlow, scikit-learn, Claude, GPT, AWS CloudFormation, AWS Bedrock, Codex, Terraform, Docker, Kubernetes
2mo
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AI Lead Developer
Exton, Pennsylvania, United States
OnsiteFull Time
10+ YOE10+ years software engineering (4+ years in AI/GenAI), strong Python with FastAPI/Flask, experience with LangChain/LangGraph/AutoGen/ADK/MCP, RAG and vector DBs, cloud (AWS/Microsoft Azure/GCP), Docker/Kubernetes, Redis, Kafka, and AI productionization.
ADK, AutoGen, Chroma, Claude, Docker, FAISS, FastAPI, Flask, GCP, Gemini, Hugging Face, Kafka, LangChain, LangGraph, MCP (Model Context Protocol), Microsoft Azure, Microsoft Azure AI Search, Microsoft Azure OpenAI, OpenAI, Pinecone, Python, Redis, Spark, Weaviate, CI/CD, AWS
1mo
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Senior AI Engineer
Seattle or Cambridge or Princeton or Madison
$138k-$183k/yr OnsiteFull Time
5+ YOEBachelor's degree,5+ years building and scaling cloud-native AI applications,proficiency in Python/FastAPI or TypeScript/Node,AWS experience,LLM/agent integration,CI/CD and infra-as-code knowledge.
AWS, Claude, LangSmith, Python, FastAPI, TypeScript, Node, LangGraph, Claude Agent SDK, LangChain, PydanticAI, Anthropic, OpenAI, Gemini, Grok, AWS Bedrock, Terraform, AWS CDK, CloudFormation, GitHub, Claude Code, Codex, Gemini CLI, Cursor, Windsurf, GitHub Copilot, LangSmith, promptfoo
1mo
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Senior AI Engineer
Seattle or Madison or Princeton or Cambridge
$138k-$183k/yr OnsiteFull Time
5+ YOE5+ years building cloud-native AI applications integrating LLMs, agents, retrieval, and workflows; strong Python/FastAPI or TypeScript/Node skills; AWS experience; knowledge of secure, observable, production AI patterns.
Python, FastAPI, TypeScript, Node, LangGraph, Claude Agent SDK, LangChain, PydanticAI, MCP, FastMCP, Anthropic, OpenAI, Gemini, Grok, AWS Bedrock, AWS, Terraform, AWS CDK, CloudFormation, GitHub, LangSmith, promptfoo, Claude Code, Codex, Gemini CLI, Cursor, Windsurf, GitHub Copilot
1mo
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Senior Applied AI Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
7+ YOE7+ years software engineering experience; strong Python and backend API skills; experience with FastAPI, PostgreSQL, distributed systems, AWS, containerization, CI/CD, and observability; bachelor's degree preferred.
Python, FastAPI, PostgreSQL, AWS, EC2, ECS/Fargate, Lambda, RDS, S3, IAM, CloudWatch, Docker, CI/CD, React, TypeScript, Snowflake, Databricks, OpenSearch, Elasticsearch, Infrastructure as Code (IaC), Agentic AI
1w
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SOFTWARE ENGINEER I
Camden, New Jersey, United States
$80k-$95k/yr OnsiteFull Time
1+ YOERequires 1–3 years of software development experience, Python, web frameworks, relational databases and SQL, APIs, cloud platforms, communication, analytical skills, and teamwork.
Python, FastAPI, Flask, React, PostgreSQL, SQL, Microsoft Azure, Azure Function Apps, Azure App Services, Azure Batch Processing, Snowflake, Azure Blob Storage, REST APIs, Git, CI/CD, Agile
1w
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SOFTWARE ENGINEER I
Camden, New Jersey, United States
$85k-$100k/yr OnsiteFull Time
1+ YOERequires 1–3 years of software development experience, Python, modern web frameworks, relational databases and SQL, cloud platforms, APIs, strong communication, and analytical problem-solving skills.
Python, FastAPI, Flask, React, PostgreSQL, Microsoft Azure, Azure Function Apps, Azure App Services, Azure Batch Processing, Snowflake, Azure Blob Storage, REST APIs, Git, CI/CD, ETL, SQL
2mo
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AI Engineer
Broomall, Pennsylvania, United States
$175k-$190k/yr RemoteFull Time
3+ YOEBachelor's or equivalent,3+ years building production AI/ML systems,experience with LangChain/LangSmith,Python,FastAPI,AWS,S3,SQL,RAG/semantic search,graph databases;U.S. residency and background checks required.
LangChain, LangSmith, Agentcore, Neo4j, Neptune, Python, AWS Glue, S3, OpenSearch, FastAPI, SQL, MLflow, CloudWatch, PyTorch, TensorFlow, scikit-learn, Claude, GPT, AWS Bedrock, Codex, Terraform, Docker, Kubernetes, CloudFormation, Cypher, SPARQL
2w
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Senior AI Engineer
Princeton, New Jersey, United States
HybridFull Time
4+ YOEMaster's or bachelor's in CS or related; 4+ years ML experience with production LLM systems; strong Python, FastAPI, HuggingFace, MLOps, vector DBs, cloud (Azure/AWS/GCP), and DevOps practices.
FastAPI, MLOps, Azure OpenAI, GPT-4, GPT-4 Vision, Langfuse, Celery, asyncio, Python, SQL, Pydantic, PySpark, Scala, MLFlow, Pinecone, Weaviate, Chroma, HuggingFace, Keras, TensorFlow, PyTorch, LangChain, LlamaIndex, Docker, Azure DevOps, GitHub Actions, Kubernetes, Azure Key Vault, Azure Blob Storage, Azure Container Registry
3w
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Associate Director, IT Senior Engineer
Princeton, New Jersey, United States
$169k-$253k/yr OnsiteFull Time
10+ YOE10+ years in AI/ML platform engineering with cloud AI experience, Python and FastAPI/Flask proficiency, experience with agentic AI frameworks, CI/CD/IaC, containerization, and regulated-compliant production deployments.
Dataiku, Azure AI, OpenAI, Azure AI/ML, Cognitive Search, AWS Bedrock, AgentCore, Comprehend, SageMaker, Snowflake Cortex, LangChain, LangGraph, AutoGen, Semantic Kernel, Model Context Protocol (MCP), Python, FastAPI, Flask, Docker, OpenSearch, Pinecone
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
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
5d
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Full Stack Engineer
New York City or United States or Raleigh-Durham or Atlanta or Philadelphia
$150k-$300k/yr HybridFull Time
Senior-level experience shipping production web applications, strong TypeScript and backend skills, API and data modeling experience, cloud deployment, CI/CD, ML integration, and excellent communication.
Next.js, TypeScript, Python, FastAPI, CI/CD
1w
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Senior Engineer, Full Stack Engineering
New York City or Princeton or Waltham
$128k-$192k/yr HybridFull Time
8+ YOERequires 8+ years building production software, technical leadership, React, TypeScript, JavaScript, Python, Django, AI/ML, cloud platforms, Docker, CI/CD, databases, testing, and monitoring experience.
AWS, Azure, GCP, Lambda, ECS, Kubernetes, React, React Native, Redux, Zustand, TypeScript, JavaScript, LangGraph, LangChain, LlamaIndex, AWS Bedrock, OpenAI APIs, Python, Django, REST, GraphQL, asyncio, FastAPI, Docker, Git, Jenkins, Artifactory, OAuth, JWT, SSO, RDBMS, NoSQL, Jest, Pytest, Selenium, Webpack, Vite, CloudWatch, Sentry, Langfuse, WebRTC, WebSockets, Server-Sent Events
1w
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Senior Advanced AI Research Engineer
Mountain View or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$123k-$338k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science, computer engineering, or related field; 5+ years Python or Node.js/TypeScript and AI/ML systems experience; research-to-production expertise preferred.
Python, Node.js, TypeScript, FastAPI, asyncio, Kubernetes, OpenTelemetry, Microsoft Excel
1w
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Senior Advanced AI Research Engineer
Mountain View or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years with Python and/or Node.js/TypeScript, and 5+ years with AI/ML systems. Research-to-production experience preferred; Kubernetes, databases, tracing, and async Python are bonuses.
Python, Node.js, TypeScript, FastAPI, asyncio, Kubernetes, OpenTelemetry, CI
1d
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Automation & Process Improvement Engineer
Philadelphia or Pennsylvania or New Jersey or New York or Ambler or India or Medellín
HybridFull Time
4+ YOERequires 4+ years in process automation, integrations, or software; Python, APIs, SQL, AI/LLM and agent development experience; process improvement, troubleshooting, production support, and cross-functional communication skills.
Python, API, SQL, AWS, Snowflake, FastAPI, Streamlit, React, Cursor, Claude, Copilot, LLM
1mo
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Slalom Flex (Project Based)- ML Ops Engineer
Philadelphia, Pennsylvania, United States
$80-$100/hr HybridFull Time
5+ YOEBachelor's/Master's in a quantitative field,5+ years ML engineering/MLOps experience,Python and ML framework proficiency,Azure Databricks and MLflow experience,CI/CD and containerization skills,enterprise production deployment experience.
Scikit-learn, PyTorch, TensorFlow, FastAPI, Flask, MLflow, Apache Spark, Delta Lake, Databricks, Unity Catalog, Feature Store, Git, Docker, Azure Data Lake Storage Gen2 (ADLS), Azure Key Vault, Azure Monitor, Azure DevOps, GitHub Actions
2mo
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Senior Python Development Lead
Philadelphia, Pennsylvania, United States
OnsiteFull Time
15+ YOE5+ Mgmt15+ years in data engineering/software development; Python/Django; ETL pipelines; data visualization; Agile; Linux; security; leads 5-6 juniors
Python, Django, SQL, Bash, JavaScript, Plotly Dash, D3.js, AG Grid, Apache Airflow, FastAPI, Linux, Git, CI/CD
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