29 senior fastapi developer jobs at 15 companies in Pennsauken, NJ
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
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
4w
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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
2w
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Senior AI Software Engineer
New Brunswick, New Jersey, United States
$102k-$137k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience with 2+ years building production-grade AI/LLM applications; strong Python and FastAPI skills; experience with multi-agent orchestration, RAG, vector databases, semantic search, and integrating LLMs with enterprise systems.
LLMs, Retrieval-Augmented Generation (RAG), LangGraph, CrewAI, Semantic Kernel, Model Context Protocol (MCP), Python, FastAPI, Azure AI Document Intelligence, Azure, AWS, Google Cloud
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GenAI Python Systems Engineer –Senior Manager
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 Spartanburg 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 Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
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 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
2w
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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
1w
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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
3d
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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
2d
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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
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
4d
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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
1w
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GenAI Sr. Developer and Lead
Somerset or Jersey City
$63k-$100k/yr HybridFull Time
10+ YOE10+ years software development experience, including 3+ years in enterprise AI/ML or Generative AI; strong Python, AWS, LLM, agentic AI, API, cloud security, and stakeholder leadership experience.
Amazon Bedrock, Python, LangChain, LangGraph, Retrieval-Augmented Generation (RAG), AWS Lambda, Amazon ECS, AWS Fargate, AWS Step Functions, Amazon EventBridge, AWS Identity and Access Management (IAM), Amazon S3, Docker, FastAPI, CloudWatch, LangSmith, OpenTelemetry, PostgreSQL, Amazon DynamoDB, GitHub, Jenkins
2d
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Full Stack Application Developer
Blue Bell or United States or Canada
RemoteContract
5+ YOERequires 5+ years of application development experience, strong Java and Python skills, web application and REST API experience, database knowledge, Git, Agile methods, and strong analytical and communication skills.
Java, Python, RESTful APIs, Git, Spring Boot, Spring Framework, FastAPI, Flask, Django, React, Angular, Vue.js, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud Platform, GitHub Actions, Azure DevOps, Jenkins, GitLab CI, Test-Driven Development (TDD), Kafka, RabbitMQ, Terraform, OAuth2, JWT, Prometheus, Grafana, Datadog, Splunk
3w
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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
3w
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Slalom Flex (Project Based)- ML Ops Engineer
Philadelphia, Pennsylvania, United States
$80-$100/hr HybridFull Time, Contract
5+ YOE5+ years MLOps or ML engineering experience; Bachelor's or Master's in a quantitative field; strong Python and ML framework skills; experience with Azure Databricks, MLflow, CI/CD, Docker, and cloud ML operations.
Scikit-learn, PyTorch, TensorFlow, FastAPI, Flask, MLflow, MLflow Model Serving, Azure Databricks, Apache Spark, Delta Lake, Unity Catalog, Feature Store, Azure DevOps, GitHub Actions, Git, Docker, Azure Data Lake Storage Gen2 (ADLS), Azure Key Vault, Azure Monitor
1mo
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AI Solutions Architect
Kennett Square or Pennsylvania
HybridFull Time
5+ YOEBachelor's in CS/IS/Engineering or equivalent, 5+ years in solutions/enterprise architecture, experience with Azure cloud services, Python, C#/.NET, TypeScript/React, OAuth2/OIDC, LLM integration patterns, CI/CD (GitHub Actions), and strong communication.
Onyx, Python, FastAPI, Azure, App Service, Functions, Cosmos DB, Blob Storage, C#, .NET, PostgreSQL, TypeScript, React, OAuth 2.0, OpenID Connect (OIDC), GitHub Actions, CI/CD, large language model (LLM)