18 fastapi developer jobs at 12 companies in Walden, NY
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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
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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
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Senior Research Engineer - Experimental Engineering
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
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
2mo
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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
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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
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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
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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
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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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Senior Front-End & FHIR Interoperability Engineer
Parsippany, New Jersey, United States
$135k-$180k/yr HybridFull Time
6+ YOE6+ years software engineering experience building React/TypeScript front-ends, hands-on SMART on FHIR and EHR integrations, FHIR R4 and OAuth2/PKCE knowledge, CDS Hooks experience, and HIPAA/PHI familiarity.
React, JavaScript, TypeScript, FHIR R4, SMART on FHIR, CDS Hooks, USCDI v3, OAuth 2.0 with PKCE, EHR, EMR, Python, FastAPI, REST APIs, PostgreSQL, Microsoft Azure, Azure DevOps, CI/CD
2w
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Sr. Software Engineer, LIMS
Ramsey or Fort Myers
HybridFull Time
5+ YOEBachelor's in CS or equivalent,5+ years software development (Java),LIMS and lab system experience preferred,proficiency with .NET,Java,Spring,Python,SQL/NoSQL,US work authorization required.
SAPIO LIMS, LabVantage, CDS, ELN, SDMS, .Net, Java, Spring, Spring Boot, Python, Flask, Django, FastAPI, RESTful APIs, microservices, PostgreSQL, MySQL, SQL, NoSQL
2mo
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Senior Python Engineer - Applications Development Sr Programmer Analyst - C12 - RUTHERFORD
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
8+ YOE8+ years large-scale application development; 5+ years Python and PySpark for enterprise ELT/ETL; experience with Databricks, Kafka, microservices, containerization, CI/CD, SQL, data modeling, and agentic AI integrations.
Python, FastAPI, PySpark, Kafka, Databricks, Google ADK, Google Flash 2.5, Devin.AI, GitHub Copilot, MCP, YAML, JSON, Spring Boot, Starburst, OpenShift, Kubernetes, CI/CD, Cloudera, AWS, Azure, GCP, SQL, Angular, React JS, Docker
2mo
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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
2mo
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Senior AI Engineer
Plano or Purchase or Chicago
$111k-$185k/yr HybridFull Time
8+ YOELead design and delivery of production-grade agent capabilities across cloud and edge environments; architect scalable agent systems; drive evaluation and integration patterns.
Python, Java, FastAPI, Kubernetes, Docker, MLflow, Prometheus, OpenTelemetry, Grafana, Kafka, gRPC, Redis, LangChain, LangGraph, CrewAI, Tempor al, Mem0
2mo
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Senior AI Engineer
Plano or Purchase or Chicago
$111k-$185k/yr HybridFull Time
8+ YOESenior AI Engineer with 8+ years in software lifecycle, ML/AI, and production-grade agent systems; strong Python/Java, distributed systems, and ML Ops experience.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana, Temporal, MEM0, Temporal Agentic Memory, Graph and Vector DBs
1mo
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Principal Solutions Architect
Parsippany, New Jersey, United States
$135k-$200k/yr HybridFull Time
10+ YOE5+ Mgmt10+ years software engineering experience, 5+ years in principal/architect roles; hands-on with Python/FastAPI, React, PostgreSQL, and Azure; strong distributed systems, API design, and leadership skills.
React, JavaScript, TypeScript, Python, FastAPI, PostgreSQL, Microsoft Azure, Azure Cache for Redis, Azure Queue Storage, Azure Service Bus, Azure Monitor, Application Insights, Log Analytics, Azure DevOps, CI/CD, EMR/EHR, SMART on FHIR, HL7/FHIR
1w
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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
4d
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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
4d
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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
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