22 fastapi developer jobs at 16 companies in Patchogue, NY
2mo
Save
Mark Applied
Hide
Senior Software Engineer - Product
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
React, React Native, Python, FastAPI, AWS, Azure, Google Cloud Platform, CI/CD
1mo
Save
Mark Applied
Hide
Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
1mo
Save
Mark Applied
Hide
Lead AI Engineer
Birmingham or Chicago or Fort Lauderdale or New York
$151k-$196k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience; 3+ years building and deploying production ML solutions; 3+ years Python, frontend development experience; proficiency in DB schema design and cloud/distributed systems; experience with Flask/FastAPI.
Python, SQL, Flask, FastAPI, OneStream
2mo
Save
Mark Applied
Hide
Lead Software Engineer (Python, LLM) - AskGartner
Irving or Stamford
$116k-$170k/yr HybridFull Time
Expert-level Python; backend services; FastAPI; AWS/Azure; SageMaker Pipelines; Pytest; PostgreSQL; Pandas; Git.
Python, Python FastAPI, AWS, Azure, AWS SageMaker Pipelines, pytest, Git, PostgreSQL, Parquet, JSON, CSV, Pandas, LangGraph, LangChain, OpenAI, Anthropic, Google, Locust, JMeter, AWS Athena, AWS S3, IAM, Splunk, AWS Secrets Manager, PySpark, Docker, Kubernetes, Terraform, OpenSearch, RAG systems, Cache technologies
2w
Save
Mark Applied
Hide
Senior AI Engineer
White Plains or United States
$85k-$105k/yr HybridFull Time
5+ YOE5+ years software engineering experience with ≥1 year building/operating AI/ML production systems; hands-on LLM, RAG, agent orchestration, Python, FastAPI, Databricks, AWS experience; governance and observability skills.
Claude Code, OpenAI Codex, GitHub Copilot, Claude, OpenAI Codex, Gemini, AWS ECS, AWS AgentCore Gateway, AWS AgentCore Harness, Databricks, LangChain, LangGraph, FastAPI, Docker, AWS SAM, Terraform, LangSmith, Weights & Biases, Dynatrace, OpenTelemetry, PyTorch, scikit-learn, GitHub Workflow
1w
Save
Mark Applied
Hide
Backend Software Engineer - Assistant Vice President
Greenwich or New York City
$130k-$170k/yr HybridFull Time
6+ YOEDegree in software engineering,6+ years web application development,experience with Python/Scala/Node.js,knowledge of relational/NoSQL modeling,testing and SSO familiarity.
Scala, Ruby, Node.js, Python, FastAPI, ZIO, Scala Test, ZIO Test, PyTest
2mo
Save
Mark Applied
Hide
AI Engineer
Plano or Purchase or Chicago
$94k-$156k/yr OnsiteFull Time
6+ YOEBachelor in CS/AI/ML or equivalent; 6-8 years software lifecycle; ML/LLM/agent systems; Python/Java; production-grade AI delivery; strong evaluation and automation.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana
1mo
Save
Mark Applied
Hide
Gen AI / Agentic AI Developer (Brooklyn, NY, US)
Brooklyn or New York City or Charlotte or Chicago or Atlanta
$80k-$106k/yr HybridFull Time
Hands-on Python development and GenAI experience; familiarity with LLMs, RAG, agentic frameworks (e.g., LangChain, LangGraph, AutoGen), vector DBs, cloud deployment, Docker/Kubernetes, CI/CD, and LLMOps/tooling.
Python, LangChain, LangGraph, AutoGen, CrewAI, Semantic Kernel, LlamaIndex, OpenAI, Azure OpenAI, AWS Bedrock, Anthropic Claude, Gemini, Llama, Mistral, OpenSearch, Pinecone, FAISS, Chroma, Weaviate, Milvus, Azure AI Search, pgvector, FastAPI, Flask, REST APIs, microservices, Docker, Kubernetes, CI/CD, LangSmith, MLflow, Phoenix, Ragas, TruLens, Arize, OpenTelemetry, AWS SageMaker, GCP Vertex AI
2mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Staff Full Stack Engineer
Santa Monica or Brooklyn or New York City or United States
$190k-$220k/yr HybridFull Time
Senior full-stack engineer with strong backend/API skills, product instincts, AI tool fluency, and experience building data-heavy services and integrations.
APIs, Python, FastAPI, React, TypeScript, React Router, Remix, PostgreSQL, SQLAlchemy, GCP
2mo
Save
Mark Applied
Hide
AI Engineer
Plano or Purchase or Chicago
$94k-$156k/yr HybridFull Time
6+ YOEBachelor’s in CS/AI/ML or equivalent experience; Master’s preferred. 6-8 years in software life cycle; strong ML/LLM/agent experience; Python/Java; distributed systems; ML tooling; productionization.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, GPU utilization, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana, Microservice architectures, Memory architectures, Vector DBs
3d
Save
Mark Applied
Hide
10101 - Data Engineer
Long Island City or Queens or New York or New Jersey or Connecticut
$125k-$128k/yr HybridFull Time
3+ YOERequires 3+ years with Python, SQL databases, models, and data lake platforms; 2+ years with cloud technologies; undergraduate degree or certificate in a relevant quantitative or computing field.
Python, SQL, Azure, Docker, Azure Container Apps, Azure App Service, Azure Synapse, Databricks, FastAPI, Django, Flask, Azure Data Factory, Airflow
1mo
Save
Mark Applied
Hide
Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
3+ YOE3+ years backend/full-stack engineering with expert Python and strong TypeScript/React skills; experience building REST/GraphQL APIs, Django/DRF, Celery/Temporal, PostgreSQL, MCP protocol familiarity, and cloud (AWS/GCP).
Model Context Protocol (MCP), REST, GraphQL, Python, TypeScript, JavaScript, Django, Django REST Framework (DRF), React, React-Admin, FastAPI, Celery, Temporal, Pydantic, httpx, pytest, Node.js, PostgreSQL, Snowflake, WebSockets, SSE, OAuth2, JWT, OpenAPI, Swagger, Redoc, AWS, GCP, Lambda, Cloud Run, S3, GCS, Docker, GitHub Actions, Flowise, LangChain, Claude, Anthropic, GA4, Meta, Google
1mo
Save
Mark Applied
Hide
Staff Machine Learning Engineer (24649)
Long Island City, New York, United States
$119k-$197k/yr OnsiteFull Time
5+ YOEBS/BA or equivalent experience, 5+ years across software engineering/ML/data science (3+ with grad degree). Strong Python, production-grade service design, LLM/agentic systems, Google Cloud, SQL/NoSQL, and mentorship experience.
Python, Google Cloud, Vertex AI, Cloud Run, BigQuery, Firestore, Pub/Sub, FastAPI, Model Context Protocol (MCP), SQL, NoSQL
1w
Save
Mark Applied
Hide
Backend Engineer_AI Gateway
Englewood Cliffs or Plano
$11k/mo OnsiteContract
Deep expertise in async Python and network programming, cloud infrastructure, container orchestration, streaming data, security gateways, IAM/SSO, observability, and CI/CD.
asyncio, aiohttp, anyio, WebSocket, SSE, TLS, HTTP/2, HTTP/3, gRPC, FastAPI, Pydantic, Docker, AKS, EKS, GKE, Istio, Envoy, Redis Streams, RabbitMQ, Kafka, PostgreSQL, PgBouncer, HashiCorp Vault, NGINX, Terraform, GitHub Actions, GitLab CI, CASB, DLP, WSS, Azure AD, Entra ID, Okta, SAML 2.0, OIDC, SCIM, Azure OpenAI, Datadog, Prometheus, Grafana, Azure Monitor
3d
Save
Mark Applied
Hide
Technical Analyst, AI Solutions, AVP
Alpharetta or Purchase
$85k-$120k/yr OnsiteFull Time
6+ YOERequires 6+ years in software development, technical analysis, solution delivery, or data integration; Python, SQL, AI solutions, APIs, Agile, DevOps, governance, and a bachelor's degree.
SQL, Python, APIs, Kubernetes, FastAPI, Flask, LangChain, LangGraph, RAG, Azure, Snowflake, Microsoft Power BI, Tableau, Dataiku, CI/CD, DevOps, ETL, LLMs, vector databases, enterprise search, relational databases, source control tools, RPA
3d
Save
Mark Applied
Hide
Technical Analyst, AI Solutions, AVP
Alpharetta or Purchase
$85k-$120k/yr OnsiteFull Time
6+ YOERequires 6+ years in software development, technical analysis, solution delivery, or data integration; Python, SQL, APIs, AI solutions, Agile, DevOps, and a bachelor's degree or equivalent experience.
Generative AI, LLMs, RAG, SQL, Python, APIs, Kubernetes, FastAPI, Flask, LangChain, LangGraph, vector databases, enterprise search, Azure, Snowflake, Tableau, Power BI, Dataiku, DevOps, CI/CD, source control tools, RPA
1mo
Save
Mark Applied
Hide
Data Scientist
Long Island City, New York, United States
$126k/yr HybridFull Time
3+ YOE3+ years Python, SQL, ML model development; 2+ years cloud and container experience; experience with data lake analytics (Azure Synapse/Databricks); undergraduate degree in a related quantitative field required.
Python, SQL, Azure, Azure Synapse, Databricks, Docker, Azure Container Apps, Azure App Service, Azure Data Factory, Airflow, FastAPI, Django, Flask
Explore Jobs