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Senior Fastapi Jobs in Plainfield, IL (NOW HIRING)

Northern Base

Senior GenAI/Python Engineer

Chicago, IL · Remote

$124K - $167K/yr

Hiring Alert | Senior GenAI/Python Engineer Location: Chicago, IL (Remote) Employment Type ... FastAPI / Flask / Django * Async Python * Parallel LLM & API Orchestration * SQL & Large Analytical ...

PB consulting

Senior AI Solutions Architect

Itasca, IL · On-site

We are seeking a Senior AI Solutions Architect to lead the architecture and development of scalable ... Design and develop scalable Python APIs and microservices using FastAPI, Flask, or similar ...

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All JobsFastapi JobsSenior Fastapi JobsSenior Fastapi Jobs in Plainfield, IL

Senior Fastapi information

See Plainfield, IL salary details

$24.4K

$78.3K

$159.4K

How much do senior fastapi jobs pay per year?

As of Sep 5, 2026, the average yearly pay for senior fastapi in Plainfield, IL is $78,256.00, according to ZipRecruiter salary data. Most workers in this role earn between $40,400.00 and $100,400.00 per year, depending on experience, location, and employer.

What is the difference between Senior Fastapi vs Backend Developer?

AspectSenior FastapiBackend Developer
Primary FocusBuilding APIs with Fastapi frameworkDeveloping server-side logic across various frameworks
Required SkillsPython, Fastapi, async programming, REST API designPython, multiple frameworks (Django, Flask, Fastapi), database management
Work EnvironmentTech companies, startups, cloud-based projectsVaried industries, enterprise and startup environments
CertificationsPython certifications, Fastapi experiencePython certifications, general backend development certifications

Senior Fastapi specialists focus specifically on building high-performance APIs using the Fastapi framework, often requiring expertise in async programming and REST API design. Backend Developers have a broader scope, working across multiple frameworks and technologies to develop server-side logic. While both roles require Python skills, Senior Fastapi roles are more specialized, whereas Backend Developers have a wider range of tools and responsibilities.

What are popular job titles related to Senior Fastapi jobs in Plainfield, IL?

For Senior Fastapi jobs in Plainfield, IL, the most frequently searched job titles are:

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Cities near Plainfield, IL with the most Senior Fastapi job openings:

Senior Fastapi jobs near you

Senior GenAI/Python Engineer

Northern Base

Chicago, IL • Remote

$124K - $167K/yr

Full-time

Re-posted 2 days ago

Job description

Hiring Alert | Senior GenAI/Python Engineer

Location: Chicago, IL (Remote)
Employment Type: Full-Time
Experience Required: 7–9 Years
Visa Type: USC / GC Only

Must-Have Skills:
  • Advanced Python Development
  • Production-Grade Python Coding
  • GenAI / LLM Application Development
  • OpenAI / Azure OpenAI / Anthropic / AWS Bedrock
  • Agentic AI Development
  • LLM-Powered Agents
  • LangChain / LangGraph / LlamaIndex
  • Intent Classification
  • Agentic Extraction & Multi-Step Orchestration
  • Function Calling & Tool Use
  • Prompt Engineering
  • Structured LLM Output
  • JSON Schema & Pydantic
  • RAG & Vector Search
  • Embeddings & Chunking
  • Hybrid Search & Reranking
  • Entity Resolution & Fuzzy Matching
  • Confidence Scoring & Disambiguation
  • Vector Databases: pgvector / Pinecone / Weaviate / OpenSearch
  • FastAPI / Flask / Django
  • Async Python
  • Parallel LLM & API Orchestration
  • SQL & Large Analytical Datasets
  • Azure / AWS / GCP
  • Pytest & Test Automation
  • Git & CI/CD
  • Docker
  • Guardrails & Validation
  • GenAI Evaluation & Regression Testing
Preferred Experience:
  • 5+ years of advanced professional Python development
  • 1.5+ years of hands-on production GenAI / LLM application development
  • Experience building domain-specific agents and agentic workflows
  • Experience developing natural-language-to-structured JSON payload pipelines
  • Strong experience with structured output enforcement and JSON schema validation
  • Experience implementing retry, repair, validation, and error-handling strategies for LLM outputs
  • Experience designing RAG and semantic search solutions
  • Experience with entity resolution, fuzzy matching, confidence thresholds, and disambiguation
  • Experience building FastAPI-based microservices
  • Experience with asynchronous Python and parallel API/LLM calls
  • Experience developing evaluation harnesses, test sets, and regression frameworks
  • Experience with metadata/catalog services and entitlement-aware data access
  • Experience collaborating with platform, data, service, and product teams
  • Strong experience with code reviews, design discussions, and production readiness reviews
  • Excellent technical documentation skills including Confluence, ADRs, sequence diagrams, and flow diagrams
  • Strong communication and stakeholder collaboration skills
Education:

Bachelor’s Degree in Computer Science, Information Technology, Engineering, or related field preferred.

Tech Stack:

Python | GenAI | LLM | OpenAI | Azure OpenAI | Anthropic | AWS Bedrock | LangChain | LangGraph | LlamaIndex | Agentic AI | RAG | Vector Search | Embeddings | Pinecone | pgvector | Weaviate | OpenSearch | FastAPI | Async Python | Pydantic | JSON Schema | Function Calling | Prompt Engineering | Guardrails | Pytest | Git | CI/CD | Docker | SQL | Azure | AWS | GCP