18 fastapi developer jobs at 8 companies in Baldwin, WI

2mo
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Technical Solutions Developer (AI & Systems)
Saint Paul, Minnesota, United States
$70k-$115k/yr OnsiteFull Time
Independent Natural Food Retailers Association
Independent Natural Food Retailers Association: A technology delivering AI-enabled web applications and data solutions for retailers
3+ YOE3-5 years software development; strong backend with Python, Django/DRF or FastAPI; frontend with JavaScript (Vue); experience with AI tools; code evaluation and documentation skills.
Python, Django, Django REST Framework, FastAPI, Vue, Git, CI/CD, SQL, PostgreSQL, NoSQL
2w
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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
4w
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Senior AI/ML Software Engineer - Remote
Eden Prairie or Minneapolis or Washington or United States
$120k-$215k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOEB.S. in computer science or related field; 5+ years software engineering experience with 3+ years operating production ML systems; expert Python; FastAPI; Kubernetes, Docker, Helm; MLOps practices including deployment, versioning, and monitoring.
Python, FastAPI, Kubernetes, Docker, Helm, AzureML, DataBricks, Azure Kubernetes
1w
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Software Engineer
Minneapolis or Boston
$73k-$130k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
4+ YOEBachelor's degree and 4+ years software experience (2+ years Gen AI). Full-stack development with Python or Java, RESTful APIs, production operations/support, CI/CD with GitHub Actions, experience with ServiceNow, Splunk, Datadog, and LLM/Gen AI frameworks.
Python, Java, FastAPI, Spring Boot, GitHub Actions, ServiceNow, Splunk, Datadog, AWS SDK, OpenAI SDK, RESTful APIs
1mo
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Software Engineer (Python / React)
Minneapolis, Minnesota, United States
$115k-$145k/yr HybridFull Time
Solution Design Group
Solution Design Group: Designs and develops custom software and digital product strategies.
5+ YOE5+ years professional experience; strong Python backend and React frontend skills; experience with APIs/microservices, cloud (AWS/Azure/GCP), CI/CD and DevOps; AI-assisted development tools experience preferred.
Python, Django, Flask, FastAPI, React, JavaScript, TypeScript, RESTful APIs, Microservices, GraphQL, Serverless Architectures, AWS, Azure, GCP, CI/CD, Docker, Kubernetes, Apache Kafka, RabbitMQ, PostgreSQL, MongoDB, Agile, SCRUM, TDD, Git, Atlassian Suite, Claude Code, Codex, GitHub Copilot
2w
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Forward Deployed Engineer
Chicago or Denver or Houston or Minneapolis or New York City
$116k-$223k/yr OnsiteFull Time
Spaulding Ridge
Spaulding Ridge: Global advisory and cloud technology implementation firm.
7+ YOE7+ years consulting or related experience; strong Snowflake architecture, SQL, data modeling, ELT/ETL, dbt, full-stack development (Python, JavaScript/TypeScript), API/integration experience, client advisory and team leadership.
Snowflake, Snowpark, dbt, Fivetran, Boomi, MuleSoft, Workato, Matillion, Apache Airflow, Sigma, Microsoft Power BI, Tableau, Looker, Omni, JavaScript, TypeScript, React, Next.js, Node.js, Python, FastAPI, Flask, .NET, Java, SQL, Git, CI/CD, Streamlit, Cortex, Apache Iceberg, Microsoft Fabric, REST, JSON, OAuth, ELT, ETL, iPaaS
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
1mo
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Lead Software Engineer – Python/React
Eagan or Frisco or Brooklyn or Toronto
$118k-$220k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
7+ YOE7+ years web development; backend focus (Python) with frontend capability; experience building production systems; strong API and distributed systems experience; leadership and collaboration skills.
Python, FastAPI, Django, Flask, APIs, Microservices, React, TypeScript, Next.js, Tailwind CSS, Pydantic, Cloud infrastructure
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
3d
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Senior Software Engineer
Eagan or Frisco or Toronto
$102k-$190k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOEBachelor's/Master's in CS or related,5+ years backend/API engineering,mastery of Python,API design,distributed systems,operational ownership,on-call experience,EM and CI/CD practices.
Python, FastAPI, Pydantic, AWS, Datadog, GitHub Actions, Vespa, Claude Agent SDK, MCP (Model Context Protocol), Terraform, ECS, Kubernetes, Apigee, Langfuse, Promptfoo, OpenSearch, Elasticsearch
4w
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Senior Software Engineer
United States or Minneapolis or San Francisco
$92k-$164k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
6+ YOE6+ years software experience including 3+ years Gen AI; 4+ years full‑stack with Python or Java and REST APIs; 4+ years DevOps/CI-CD with GitHub Actions and production support; experience with Service Now, Splunk, Datadog.
Python, Java, FastAPI, Spring Boot, GitHub Actions, Service Now, Splunk, Datadog, AWS SDK, OpenAI SDK
1mo
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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
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
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
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Lead Software Engineer - Remote
Minneapolis or Washington or United States
$113k-$193k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
10+ YOEBachelor's in CS/Engineering, 10+ years tech experience, 8+ years software/data engineering with Scala, Python, PySpark; experience with Databricks, orchestration, big data, LLMs/GenAI and cloud (Azure preferred).
Scala, Python, PySpark, Databricks, ADF, Airflow, Hadoop, MapReduce, HDFS, Spark, Kafka, Docker, Kubernetes, MySQL, NoSQL, GitHub, Jenkins, JUnit, Langchain, LangGraph, RAG, Vector DB, Azure Open AI, MCP Server, Agents, LangFuse, FastAPI, Flask, Node.js, React, Angular, TypeScript, HTML/CSS, UAIS, Azure
1mo
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Lead AI/ML Engineer-Remote Nationwide or Hybrid in MN/DC
Boston or Minneapolis or Washington or United States
$146k-$250k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
3+ YOEBachelor's+6 yrs or Master's+4 yrs or PhD+3 yrs in AI/ML engineering; 3+ yrs hands-on ML/Generative AI and production Python; 2+ yrs RAG/vector DB experience; MLOps on Azure/AWS; GitHub and CI/CD experience.
Python, FastAPI, REST, RAG, LangChain, LangGraph, vector databases, Databricks, PySpark, Spark, Azure, AWS, GitHub, CI/CD, MLOps, LLMs
1mo
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Data Engineer
St. Paul, Minnesota, United States
$102k-$131k/yr HybridFull Time
Accelint
Accelint: Provides AI-driven autonomous systems for national security missions.
2+ YOEBachelor’s in CS/Engineering or related field; 2-5 years with Airflow and Spark; containerization (Kubernetes/Docker/Helm); DoD/domain experience preferred.
Apache Airflow, Apache Spark, Kubernetes, Docker, Helm, ETL, Data Warehousing, AWS S3, PostgreSQL, TypeScript, Express, FastAPI
1mo
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Sr Machine Learning Engineer - Marketing and Corporate Systems (ML Ops)
Brooklyn Park, Minnesota, United States
$98k-$176k/yr HybridFull Time
Target
TargetNYSE: TGT: Operates a chain of general merchandise stores and supermarkets.
3+ YOE3+ years in end-to-end ML development, production deployment, Python programming, and ML frameworks.
Python, PyTorch, TensorFlow, xgboost, scikit-learn, ONNX, GCP Vertex AI, Azure ML, Sagemaker, Spark, Ray, TensorFlow Distributed, TorchServe, FastAPI, Hadoop, Kafka, Hive
1mo
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Automation Specialist
Bloomington, Minnesota, United States
$65k-$95k/yr OnsiteFull Time
ISG
ISG: Multidisciplinary architecture, engineering, and environmental design services firm.
Strong PowerShell and Microsoft Windows skills, experience with AWS (EC2, Lambda, ECS, S3), Docker, CI/CD, GitHub, REST APIs, and integrations; Python and FastAPI preferred. Excellent communication and problem-solving skills.
PowerShell, Microsoft Windows, Python, FastAPI, REST API, AWS, EC2, Lambda, ECS, S3, Docker, GitHub, GitHub Actions, AWS CodePipeline, Unanet ERP, Unanet CRM, ArcGIS, QuestCDN, OAuth2, MSAL, JWT