6 fastapi developer jobs at 2 companies in Mason, MI

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Principal Engineer, CoCounsel
Eagan or Frisco or New York City or Toronto or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
Bachelor's degree (or equivalent) in CS or CE, deep Python and distributed systems experience, hands-on AI/LLM and agent experience, FastAPI/PostgreSQL/AWS familiarity, identity/IAM (SAML, OIDC, OAuth 2.0) expertise, strong communication.
Python, FastAPI, PostgreSQL, AWS, SSO, SAML, OIDC, OAuth 2.0, RBAC, ABAC, Anthropic, OpenAI, LLMs, MCP servers, vector databases, embeddings, semantic search
2w
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Staff Software Engineer – AI Platform
Eagan or Frisco or Brooklyn or Toronto or Ann Arbor or New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
$127k-$273k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOE5+ years building scalable cloud applications, deep Python and FastAPI experience, PostgreSQL and AWS experience, familiarity with LLMs/AI systems, strong distributed-systems and architecture skills.
Python, FastAPI, PostgreSQL, AWS, Vercel, OpenAI, Anthropic
2w
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Principal Software Engineer – AI Platform & Architecture
Eagan or Frisco or Brooklyn or Toronto or Ann Arbor
$159k-$340k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
8+ YOE8+ years full-stack development experience with architecture leadership; expertise in C#, .NET, cloud (AWS/Azure), Python for AI/ML, distributed systems, APIs, front-end frameworks, and strong communication skills.
C#, .NET, ASP.NET Core, SQLServer, PostgreSQL, AWS, Azure, Python, FastAPI, Vercel, OpenAI, Anthropic, Orleans, Akka, JavaScript, Typescript, HTML, CSS, Angular, React, GitHub Actions
2w
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Lead Software Engineer AI (Staff Engineer)
Eagan or Frisco or Toronto or Ann Arbor
$127k-$237k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOEBachelor's degree or equivalent, 5+ years full-stack experience building scalable cloud applications; expertise in C#/.NET, backend architecture, APIs, distributed systems, and AI integration (LLMs, OpenAI/Anthropic); front-end skills (JavaScript/Typescript, Angular/React); AWS, PostgreSQL/SQLServer, CI/CD.
C#, .NET, ASP.NET Core, FastAPI, SQLServer, PostgreSQL, AWS, Vercel, JavaScript, Typescript, HTML, CSS, Angular, React, GitHub Actions, OpenAI, Anthropic, LLMs
1mo
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Principal Engineer, AI
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Designs and manufactures connected audio and automotive electronics.
8+ YOE8+ years production software experience; Python/Node.js; ML/AI, GenAI; cloud and data storage; distributed systems; strong communication.
Python, Node.js, FastAPI, Pandas, NumPy, scikit-learn, Jinja2, AWS, Azure, GCP, Datadog, Grafana, LangFuse, LangChain, LlamaIndex, Pinecone, FAISS, DALLE, Docker, Kubernetes, Terraform, CI/CD, Airflow, Kafka, Snowflake, Delta Lake, BigQuery, MS Fabric, React, REST, GraphQL
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Principal Engineer, AI
Novi, Michigan, United States
HybridMultiple Commitments Available
HARMAN
HARMAN: Produces connected technologies and audio systems for vehicles and consumers.
8+ YOE8+ years in production software; Python/Node.js; ML/AI; cloud and infra; data & storage; observability; strong communication; BS/MS/PhD or equivalent experience.
Python, Node.js, FastAPI, NumPy, Pandas, scikit-learn, Pydantic, Jinja2, Docker, Kubernetes, Terraform, AWS, Azure, GCP, LangChain, LlamaIndex, Pinecone, FAISS, Datadog, Grafana, React, GraphQL