78 fastapi developer jobs at 43 companies in Illinois
1mo
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
3w
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Senior GenAI/Python Engineer
Chicago, Illinois, United States
$90k-$130k/yr OnsiteFull Time
8+ YOE5+ years advanced Python development, 1.5+ years production GenAI/LLM experience, FastAPI and async orchestration, vector DB/RAG and SQL knowledge, cloud experience (Azure/AWS/GCP).
Python, typing, pytest, Git, CI/CD, Docker, OpenAI, Azure OpenAI, Anthropic, Bedrock, LangChain, LangGraph, LlamaIndex, Pydantic, JSON schema, embeddings, pgvector, Pinecone, Weaviate, OpenSearch, Snowflake, FastAPI, Flask, Django, SQL, Azure, AWS, GCP, Confluence
2w
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Platform Engineer
Atlanta or Austin or Chicago or Dallas or Houston
$70k-$85k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent practical experience, 2+ years building backend services or APIs, and proficiency with Python, FastAPI, Postgres, Redis, Docker, Kubernetes, Terraform, and GitHub Actions.
Microsoft Graph, Microsoft SharePoint, Azure Blob Storage, FastAPI, Postgres, Alembic, Redis, OpenTelemetry, Datadog, Helm, Kubernetes, Azure Kubernetes Service (AKS), Terraform, env0, Terraform Cloud, GitHub Actions, Cloudsmith, Docker, JWT, RBAC, OIDC/SAML, Entra ID, Azure AD, Wiz, Python, Pydantic, pytest, Ruff, mypy, uv, MLflow, Cursor, GitHub Copilot, Portkey, Azure Key Vault
2mo
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AI/ML Engineer (Senior Associate) - Remote
Chicago or Toronto or United States or Canada
$130k-$160k/yr RemoteFull Time
3+ YOE3+ years AI/ML development experience, Bachelor’s in CS/Engineering/Data Science, proficiency in Python, familiarity with scikit-learn/PyTorch/TensorFlow/OpenAI APIs, cloud platforms (Azure, AWS) and Docker, API development experience (FastAPI/Flask).
Python, scikit-learn, PyTorch, TensorFlow, OpenAI APIs, LangGraph, AutoGen, CrewAI, FastAPI, Flask, Azure, AWS, Docker, vector databases, Azure Machine Learning, AWS SageMaker, Google AI/ML services, MLOps, CI/CD, MCP
2mo
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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
3mo
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AI Engineer
Oak Brook, Illinois, United States
$83k-$111k/yr OnsiteFull Time
4+ YOE4+ years AI/ML development; 2+ years GenAI production; Python; FastAPI; LangChain; Azure OpenAI; AI agents; enterprise deployment.
Python, FastAPI, LangChain, Azure OpenAI, ChatGPT, LlamaIndex, LangGraph, Snowflake, Azure Databricks, RAG, APIs, FastAPI
2mo
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Software engineer, generative AI
San Francisco or New York City or Seattle or Austin or Chicago or London
$112k-$304k/yr HybridFull Time
3+ YOEMinimum 3 years software engineering experience with strong Python production experience; experience building generative AI/LLM applications, vector DBs (Pinecone, Weaviate, pgvector), microservices, cloud (AWS/GCP/Azure), Docker/Kubernetes, FastAPI/Asyncio, and PostgreSQL.
Python, Pinecone, Weaviate, pgvector, Docker, Kubernetes, FastAPI, Asyncio, PostgreSQL, Claude, Cursor, GitHub Copilot, React, TypeScript, AWS, GCP, Azure, LLMs, RESTful APIs, IAM, SSO, SAML, OAuth, OIDC, RBAC
2mo
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Platform Software Engineer
Oak Brook, Illinois, United States
$160k-$170k/yr OnsiteFull Time
Proficiency in Python, REST API design, FastAPI and React, cloud deployment on Microsoft Azure, containerization (Docker/Kubernetes), MS SQL, Git, CI/CD and IaC (Terraform/Bicep/ARM), healthcare standards (EDI X12, HL7, FHIR) and HIPAA security.
Python, Selenium, OpenCV, FastAPI, React, RESTful APIs, EDI (X12), HL7 (v2/v3), FHIR (R4), Microsoft Azure, Microsoft App Services, Microsoft Azure Functions, Microsoft Logic Apps, Microsoft Azure SQL, Microsoft Key Vault, Microsoft Entra ID, Microsoft Azure Monitor, Microsoft Azure DevOps, GitHub Actions, Terraform, Bicep, ARM templates, Microsoft SQL Server, Docker, Kubernetes, Git, OCR, NLP, RBAC
2mo
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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
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Senior Full Stack Engineer - AI (Chicago, IL, US)
Chicago, Illinois, United States
$140k-$150k/yr HybridFull Time
5+ YOE5+ years software engineering experience; bachelor's degree preferred; experience with React, Java micro-services, Kafka, AWS data services, Python (PySpark, Pandas, FastAPI), SQL, Airflow, Snowflake, data governance tools, and designing REST/GraphQL APIs.
React, micro-frontend, micro-services, Java, Kafka, CI/CD, Python, PySpark, Pandas, FastAPI, SQL, SQL Server, PostgreSQL, AWS Glue, AWS Lambda, Amazon S3, Amazon DynamoDB, Airflow, Snowflake, Iceberg, Delta Lake, Collibra, Alation, Starburst, REST, GraphQL, GitHub Copilot, Claude Code, Amazon Q, Cursor, Azure Blob storage, Azure Functions, MCP
4d
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Senior Software Engineer, Gen AI
Chicago or Peoria or Irving
$113k-$183k/yr OnsiteFull Time
5+ YOERequires 5+ years of software development experience, 3+ years developing Python or Go applications, OOP, Gen AI architectures, AWS, CI/CD, Git, and cross-functional project experience.
Python, Go, GitHub Actions, AWS, CloudFormation, LangChain, LangGraph, Semantic Kernel, Crew.ai, FastAPI, Apache Airflow, Git, SageMaker Studio, Lambda, API Gateway, RDS
5d
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Staff Software Engineer: Growth Engineering
United States or Hawaii or California or New York City or Seattle or Washington or Texas or Connecticut or Illinois or Massachusetts or New Hampshire or New Jersey or Oregon or Rhode Island or Vermont or Alabama or Alaska or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Mexico or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Utah or Virginia or West Virginia or Wisconsin or Wyoming
$137k-$203k/yr RemoteFull Time
8+ YOERequires 8+ years of software development experience, 2+ years of full-stack web development, and expertise with Python, JavaScript/TypeScript, React, React Native, APIs, databases, technical leadership, and mentoring.
Python, Django, Flask, FastAPI, aiohttp, GraphQL, REST, React, React Native, TypeScript, Redux, Vite, PostgreSQL, Redis, Docker, Amazon Web Services (AWS), ECS, RDS, CloudFront, SQL, bash, SSO SAML, OIDC, JWT, AI, LLM
3mo
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Senior Software Engineer
Chicago, Illinois, United States
$153k/yr RemoteFull Time
5+ YOERequires advanced Python development, relational/vector databases, cloud services, and AI/ML concepts with REST APIs and CI/CD.
Python, FastAPI, Flask, REST API, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, Pandas, Plotly, Matplotlib, AWS, S3, RDS, API Gateway, Lambda, Redis, SQS, Celery, Git, CI/CD, GraphQL, OpenAI, Anthropic, MistralAI, UML
1w
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Software Engineer, Backend
New York City or San Francisco or California or Colorado or Florida or Idaho or Illinois or Maine or Maryland or Nevada or New Jersey or New York or North Carolina or North Dakota or Pennsylvania or Rhode Island or Tennessee or Texas or Virginia or Washington
$160k-$240k/yr OnsiteFull Time
6+ YOE6+ years of software development; proficiency in Python, REST APIs, SQL, TypeScript, React, AWS, distributed systems, testing, CI/CD, and AI/LLM applications.
TypeScript, React, Next.js, Python, FastAPI, REST, AWS Lambda, AWS, SQL, pytest, CI/CD, AI, LLMs
6d
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Quantum Integrations Engineer
Chicago, Illinois, United States
$145k-$170k/yr HybridFull Time
BS or MS in a related technical field, strong production software experience, APIs and system integrations expertise, cloud/distributed/HPC familiarity, backend development, and collaborative partner-facing engineering skills.
Python, C++, Rust, Go, Java, Julia, RESTful services, RPC frameworks, SDKs, FastAPI, Flask, Django, gRPC, PostgreSQL, SQLAlchemy, AWS, GCP, Azure, Docker, Kubernetes, CI/CD, Codex, Cirq, Qiskit, PennyLane, CUDA-Q, React, JavaScript, HTML/CSS, Superstaq
6d
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Senior Full-Stack Developer - AI
Farmers Branch or Idaho or Arkansas or Texas or Georgia or Montana or Iowa or Wisconsin or Oregon or Washington or New York or District of Columbia or Connecticut or Nebraska or Rhode Island or Tennessee or Kentucky or Ohio or West Virginia or Maryland or Massachusetts or South Carolina or Missouri or Utah or Arizona or South Dakota or Pennsylvania or New Hampshire or Vermont or Minnesota or New Mexico or Michigan or California or Maine or North Dakota or Kansas or Indiana or New Jersey or Nevada or Louisiana or Mississippi or Oklahoma or Alabama or Virginia or Scottsdale or Illinois or North Carolina or Colorado or Florida or Wyoming or Delaware
$83k-$222k/yr HybridFull Time
7+ YOERequires 7+ years software development, 5+ years scalable microservices and REST APIs, 3+ years Python and messaging systems, 2+ years technical leadership, cloud, CI/CD, Git, containers, and orchestration experience.
Java, Spring Boot, React, REST APIs, JPA, Python, FastAPI, Flask, Kafka, RabbitMQ, ActiveMQ, AWS SQS/SNS, LangGraph, LangChain, GCP, GKE, Cloud Run, Cloud Build, IAM, Jenkins, GitHub Actions, Argo, GitHub, GitLab, Docker, Kubernetes, MongoDB Atlas, Claude, OpenAI, Gemini, Vertex AI
2mo
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Forward Deployed Engineer
Chicago or Denver or Houston or Minneapolis or New York City
$116k-$223k/yr OnsiteFull Time
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
4d
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Senior Software Engineer, Gen AI
Chicago or Peoria or Irving
$113k-$183k/yr OnsiteFull Time
5+ YOERequires 5+ years of software development, 3+ years with Python or Go, OOP, Gen AI architectures, AWS, CI/CD, software testing, communication, and complex project coordination.
Python, Go, GitHub Actions, AWS, CloudFormation, LangChain, LangGraph, Semantic Kernel, Crew.ai, Large Language Models (LLMs), FastAPI, Apache Airflow, Git, SageMaker Studio, Lambda, API Gateway, RDS
2w
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Software Engineer (Cloud & Backend)
Dublin or London or Singapore or Hyderabad or New York City or Chicago or Fort Worth or Switzerland or South Africa or Slovenia or United Arab Emirates
HybridFull Time
5+ YOE5+ years in software engineering; 3+ years in AWS cloud engineering, Python backend development, and CI/CD pipeline management. Experience with databases, AWS architecture, Lambda, and API Gateway required.
Python, Django, Flask, FastAPI, PostgreSQL, MySQL, MongoDB, Amazon Web Services (AWS), AWS Lambda, Amazon API Gateway, Amazon S3, Amazon RDS, Amazon DocumentDB, Amazon DynamoDB, Amazon SQS, Amazon SNS, Amazon EC2, Terraform, GitLab, CI/CD
1mo
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Senior Software Engineer, Treasury (Ruby/Python)
Chicago, Illinois, United States
$175k-$275k/yr OnsiteFull Time
Senior generalist engineer with experience in Python or Ruby, full-stack development, relational data modeling, GitOps/Kubernetes, job orchestration (Airflow/Prefect) and partnering with business stakeholders.
Python, Ruby, FastAPI, Rails, Kubernetes, GitOps, CI/CD, Airflow, Prefect
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