18 fastapi developer jobs at 3 companies in Grass Lake, 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
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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
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Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
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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
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Principal Engineer
Eagan or Frisco or New York City or Toronto or Ann Arbor
$159k-$295k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
Expertise in cloud cost and inference optimization, FinOps practices, production LLM cost tuning, Python proficiency, and cross-team leadership; Bachelor's in CS/CE or equivalent required.
AWS, Terraform, CloudFormation, Python, FastAPI, Kubernetes
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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
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Software Developer - Virtualization and SIL Integration
Milford, Michigan, United States
HybridFull Time
General Motors
General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.
2+ YOEBSc in CS/CE/EE or related; 2+ years software engineering; strong programming in Python/C/C++/Java/Embedded C; experience with simulation, CI/CD, and teamwork.
MATLAB/Simulink, Python, C/C++, Java, Embedded C, Git, Jira, Jenkins, SQL, CI/CD, Angular, React, FastAPI, Node.js, PostgreSQL, Power BI, FMU, FMI, SSP, AUTOSAR, cloud technologies
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Principal Engineer - Partner with Customers AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Produces connected technologies and audio systems for vehicles and consumers.
8+ YOE8+ years building production software or AI-enabled applications; strong Python and LLM/Generative AI experience; familiarity with vector search, embeddings, RAG, cloud and DevOps; BS/MS or equivalent experience.
LangChain, LlamaIndex, MCP, FastAPI, Pandas, NumPy, Pydantic, Jinja2, Node.js, JavaScript, OpenAI, Azure OpenAI, AWS Bedrock, Anthropic, Meta/Llama, Mistral, Microsoft 365, Microsoft SharePoint, Microsoft Teams, Microsoft Power Apps, Microsoft Forms, Microsoft Power Automate, Salesforce, Microsoft Graph, REST, GraphQL, SQL, Elasticsearch, Pinecone, Weaviate, FAISS, Milvus, pgvector, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD
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Principal Engineer - Partner with Customers AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Designs and manufactures connected audio and automotive electronics.
8+ YOE8+ years building production software or AI-enabled applications, strong Python experience, LLM/Generative AI and vector search knowledge, cloud/DevOps and enterprise integration experience, BS/MS or equivalent.
Python, FastAPI, Pandas, NumPy, Pydantic, Jinja2, Node.js, JavaScript, OpenAI, Azure OpenAI, AWS Bedrock, Anthropic, Meta/Llama, Mistral, Microsoft 365, SharePoint, Microsoft Teams, Power Apps, Microsoft Forms, Power Automate, Salesforce, Microsoft Graph, REST, GraphQL, SQL, Elasticsearch, Pinecone, Weaviate, FAISS, Milvus, pgvector, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD, LangChain, LlamaIndex, MCP, FastAPI
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Principal Engineer
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.
Expertise in identity and access management, distributed systems, and AI/LLM integration; deep Python experience; cloud (AWS) and relational DB (PostgreSQL); strong communication and architecture ownership skills.
Python, FastAPI, PostgreSQL, AWS, Okta, Auth0, Entra ID/Azure AD, AWS Cognito, Anthropic, OpenAI, vector databases, SAML, OIDC, OAuth 2.0, RBAC/ABAC, MCP, LLMs
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Principal Engineer - Finance AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Produces connected technologies and audio systems for vehicles and consumers.
8+ YOE8+ years building production software and ML/AI systems, expertise with LLMs/agents, Python/Node.js, cloud and infra, model selection/tuning, data platforms, and partnering with Finance.
Python, FastAPI, NumPy, Pandas, scikit-learn, Pydantic, Jinja2, Node.js, PyTorch, Transformers, TensorFlow, Keras, LangChain, LlamaIndex, OpenAI, Anthropic, Meta/Llama, Mistral, AWS Bedrock, AWS, S3, EC2, Lambda, CloudWatch, Fargate, EKS, ECS, Azure, GCP, Databricks, Docker, Kubernetes, Terraform, CI/CD, Airflow, Kafka, PostgreSQL, DynamoDB, Elasticsearch, Pinecone, Weaviate, FAISS, Milvus, pgvector, Snowflake, Delta Lake, BigQuery, MS Fabric
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Principal Engineer - HR AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Produces connected technologies and audio systems for vehicles and consumers.
8+ YOE8+ years building production software or data products with ML/LLMs/Generative AI, strong Python and web/cloud skills, HR domain and governance awareness, and experience operating production AI systems.
Python, FastAPI, NumPy, Pandas, scikit-learn, Pydantic, Jinja2, Node.js, TypeScript, React, REST, GraphQL, SQL, NoSQL, Pinecone, Weaviate, FAISS, Milvus, pgvector, AWS Bedrock, Azure OpenAI, OpenAI, Anthropic, Meta, Llama, Mistral, LangChain, LlamaIndex, MCP, Docker, Kubernetes, Terraform, CI/CD, AWS, Azure, GCP, Workday, ServiceNow, Microsoft 365/Copilot, Sana AI
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Principal Engineer - Future of Engineering AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Designs and manufactures connected audio and automotive electronics.
10+ YOE10+ years delivering production-grade AI/Generative AI solutions; hands-on with LLMs, RAG, agentic AI, vector DBs, Python and cloud/DevOps; familiarity with automotive R&D toolchains and engineering processes.
Claude, Codex, GitHub Copilot, OpenClaw, n8n, OutSystems AI, LangChain, LangGraph, LlamaIndex, Semantic Kernel, AutoGen, Graph RAG, CrewAI, MCP, A2A, LangFuse, AWS Bedrock, Azure OpenAI, OpenAI, Anthropic, Meta/Llama, Mistral, Python, FastAPI, Pinecone, Weaviate, FAISS, Milvus, pgvector, Elasticsearch, OpenSearch, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD
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Principal Engineer - Future of Engineering AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Produces connected technologies and audio systems for vehicles and consumers.
10+ YOE10+ years delivering production-grade AI/Generative AI solutions for engineering toolchains; strong experience with LLMs, RAG, agentic AI, engineering processes, cloud and vector DBs; BS/MS/PhD or equivalent experience preferred.
Claude, Codex, GitHub Copilot, OpenClaw, n8n, OutSystems AI, LangChain, LangGraph, LlamaIndex, Semantic Kernel, AutoGen, Graph RAG, CrewAI, MCP, A2A, LangFuse, AWS Bedrock, Azure OpenAI, OpenAI, Anthropic, Meta/Llama, Mistral, Python, FastAPI, REST, GraphQL, Pinecone, Weaviate, FAISS, Milvus, pgvector, Elasticsearch, OpenSearch, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD
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Principal Engineer - Finance AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Designs and manufactures connected audio and automotive electronics.
8+ YOE8+ years building production software and ML/LLM systems; expertise in AI agents, RAG, vector search, model routing, governance, and production deployment; strong Python/Node.js and cloud skills.
Python, FastAPI, NumPy, Pandas, scikit-learn, Pydantic, Jinja2, Node.js, REST, GraphQL, PyTorch, Transformers, TensorFlow, Keras, LangChain, LlamaIndex, AWS Bedrock, OpenAI, Anthropic, Meta/Llama, Mistral, PostgreSQL, DynamoDB, Elasticsearch, Pinecone, Weaviate, FAISS, Milvus, pgvector, AWS, S3, EC2, Lambda, CloudWatch, Fargate, EKS, ECS, Azure, GCP, Databricks, Docker, Kubernetes, Terraform, CI/CD, Airflow, Kafka, Snowflake, Delta Lake, BigQuery, Microsoft Fabric
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Principal Engineer - HR AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Designs and manufactures connected audio and automotive electronics.
8+ YOE8+ years building production AI/ML software, strong LLM/GenAI experience, Python/TypeScript proficiency, cloud and infra knowledge, HR domain and governance awareness.
Python, FastAPI, NumPy, Pandas, scikit-learn, Pydantic, Jinja2, Node.js, TypeScript, React, REST, GraphQL, SQL, NoSQL, Pinecone, Weaviate, FAISS, Milvus, pgvector, AWS Bedrock, Azure OpenAI, OpenAI, Anthropic, Meta/Llama, Mistral, LangChain, LlamaIndex, MCP, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD, Workday, ServiceNow, Microsoft 365, Sana AI, SAP SuccessFactors
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Principal Engineer - Supply Chain AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Produces connected technologies and audio systems for vehicles and consumers.
8+ YOE8+ years building production software and ML/LLM systems; hands-on with LLMs, Python and Node.js, cloud infra, vector search, LangChain/LlamaIndex, and enterprise integrations.
LangChain, LlamaIndex, Model Context Protocol (MCP), Pinecone, FAISS, Weaviate, Milvus, pgvector, Datadog, Grafana, LangFuse, Snowflake, Delta Lake, BigQuery, Microsoft Fabric, React, Node.js, Python, Docker, Kubernetes, Terraform, CI/CD, Airflow, Kafka, PostgreSQL, DynamoDB, Elasticsearch, FastAPI, NumPy, Pandas, scikit-learn, Pydantic, Jinja2, PyTorch, Transformers, TensorFlow, Keras, AWS, AWS S3, AWS EC2, AWS Lambda, AWS CloudWatch, AWS Fargate, EKS, ECS, Azure, GCP, Databricks
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Principal Engineer - Supply Chain AI Solutions
Novi, Michigan, United States
$125k-$184k/yr HybridFull Time
HARMAN
HARMAN: Designs and manufactures connected audio and automotive electronics.
8+ YOE8+ years building production software/ML systems, hands-on LLM/GenAI, Python/Node.js, cloud and infra (AWS/Azure/GCP), experience integrating AI with enterprise supply chain systems.
LangChain, LlamaIndex, Model Context Protocol (MCP), Pinecone, FAISS, LangFuse, Datadog, Grafana, Snowflake, Delta Lake, BigQuery, Microsoft Fabric, React, Node.js, Python, REST, GraphQL, Docker, Kubernetes, Terraform, FastAPI, NumPy, Pandas, scikit-learn, Pydantic, Jinja2, PyTorch, Transformers, TensorFlow, Keras, Weaviate, Milvus, pgvector, PostgreSQL, DynamoDB, Elasticsearch, AWS, S3, EC2, Lambda, CloudWatch, Fargate, EKS, ECS, Azure, GCP, Databricks, CI/CD, Airflow, Kafka, OpenAI, Anthropic, Mistral, AWS Bedrock, Meta/Llama, SAP, SAP S/4HANA, SAP Ariba, Ivalua, OneStream, Darwin Analytics, SupplyOn, SAP Integrated Business Planning (IBP)