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Senior Fastapi Jobs in Plainfield, IL (NOW HIRING)

Cna

Senior AI Software Engineer

Chicago, IL · Hybrid

$72K - $141K/yr

Strong programming skills in Java, Python, TypeScript,FastAPI, Spring Boot for APIs and services. * Experience using AI-enabled development tools such as GitHub Copilot, Claude Code, Cursor, and MCPs.

CNA

Senior AI Software Engineer

Chicago, IL · On-site

$72K - $141K/yr

Strong programming skills in Java, Python, TypeScript, FastAPI, Spring Boot for APIs and services. * Experience using AI-enabled development tools such as GitHub Copilot, Claude Code, Cursor, and ...

ShyftOff

Senior Full Stack Engineer

Chicago, IL · On-site

FastAPI Data : PostgreSQL Cloud: ECS, EC2, Lambda, RDS, S3 Tools: n8n, Cursor, Github Copilot, ChatGPT Why ShyftOff This is a chance to join a fast-growing startup building a category-defining ...

Excel Sports Management

Data Engineer

Chicago, IL

$100K - $115K/yr

You will work alongside senior engineers and analysts to ingest, transform, and deliver trustworthy ... Experience building APIs or services to expose data (FastAPI, Flask, or similar). * Experience with ...

Excel Sports Management

Data Engineer

Chicago, IL

$100K - $115K/yr

You will work alongside senior engineers and analysts to ingest, transform, and deliver trustworthy ... Experience building APIs or services to expose data (FastAPI, Flask, or similar). * Experience with ...

Excel Sports Management

Data Engineer

Chicago, IL · On-site

$100K - $115K/yr

You will work alongside senior engineers and analysts to ingest, transform, and deliver trustworthy ... Experience building APIs or services to expose data (FastAPI, Flask, or similar). * Experience with ...

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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 Aug 15, 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.

Is senior FastAPI in high demand?

Senior FastAPI developers are in high demand due to the framework's popularity for building fast, scalable APIs with Python. Companies seek experienced professionals skilled in asynchronous programming, RESTful API design, and deployment with tools like Docker and Kubernetes, making this a valuable skill set in the current job market.

Do any big companies use FastAPI?

Several large companies and tech organizations use FastAPI for building high-performance APIs due to its speed and ease of use. Notable examples include Microsoft, Uber, and Netflix, which leverage FastAPI alongside other modern Python frameworks for scalable backend development.

What is the salary of a senior Fastapi developer?

The salary of a senior Fastapi developer typically ranges from $100,000 to $150,000 annually, depending on experience, location, and company size. Strong knowledge of Python, RESTful APIs, and cloud deployment can influence compensation levels.

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 job categories do people searching Senior Fastapi jobs in Plainfield, IL look for?

The top searched job categories for Senior Fastapi jobs in Plainfield, IL are:

What cities near Plainfield, IL are hiring for Senior Fastapi jobs?

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

Senior Fastapi jobs near you

Senior AI Software Engineer

Cna

Chicago, IL • Hybrid

$72K - $141K/yr

Full-time

Re-posted 24 days ago

Job description

You have a clear vision of where your career can go. And we have the leadership to help you get there.At CNA, we strive to create a culture in which people know they matter and are part of something important, ensuring the abilities of all employees are used to their fullest potential.

Individual contributor responsible for designing, building, and operationalizing AI-driven solutions that integrate seamlessly into enterprise systems. This role combines hands-on engineering, architecture, and governance, ensuring AI solutions are scalable, secure, compliant, and aligned with business objectives.

JOB DESCRIPTION:

Essential Duties & Responsibilities

Performs a combination of duties in accordance with departmental guidelines:

  • Design and build enterprise AI applications using LLMs, prompt workflows, RAG, and agent-based patterns

  • Evaluate model quality, latency, cost, safety, and business effectiveness

  • Implement responsible AI controls, observability, and governance for production AI systems

  • Partner with architects, product owners, and business teams toidentifyand scale high-value AI use cases

  • Convert prototypes into production-ready, reliable applications

  • Enable automation of repeatable business processes using AI

  • Develop APIs and microservices to expose AI capabilities

  • Integrate AI solutions with enterprise platforms (claims, document systems, data platforms)

  • Ensure scalability, resiliency, and cost optimization

  • Implement test automation (unit, integration, end-to-end)

  • Apply secure coding practices (OAuth, JWT, secrets management)

  • Mentor engineers and guide AI best practices

  • Collaborate with business units, IT, and vendors

  • Evaluate emerging AI technologies and recommend solutions

May perform additional duties as assigned.

Reporting Relationship

Typically Director or above

Skills, Knowledge & Abilities

  • Strong programming skills in Java, Python, TypeScript,FastAPI, Spring Boot for APIs and services.

  • Experience using AI-enabled development tools such as GitHub Copilot, Claude Code, Cursor, and MCPs.

  • Experience with RAG (Retrieval-Augmented Generation) pipeline architecture and development.

  • Experience with agentic system design for multi-step automation (single-agent and multi-agent), including orchestration, state and memory patterns, tool integration, and safe autonomy controls (permissions, approvals, and auditability).

  • Experience with Google Cloud Platform (GCP), including services such as GKE, Cloud Storage, PostgreSQL, Pub/Sub, Secret Manager,BigQuery, and Vertex AI.

  • Advanced knowledge of designing and building integration platforms, APIs, and web services.

  • Experience with CI/CD automation using tools such as Docker, GKE, GitHub, and GitHub Actions.

  • Strong analytical, problem-solving, and communication skills

  • Experience with SQL/NoSQL data stores (modeling and query optimization)

  • Automated testing experience (unit and integration)

  • Working knowledge of React and front-end fundamentals (components, state, and API integration)

  • Strong understanding of SRE and observability fundamentals (logs, metrics, traces) and how to use them to diagnose distributed system behavior

  • In-depth knowledge of the system development life cycle and of system and application development technology alternatives.

  • Experience working in high-performing Agile teams

  • Excellent communication and interpersonal skills, with the ability to work effectively with peers, IT management and staff, and internal and external business partners and clients.

  • Preferred insurance industry knowledge.

Education & Experience

  • Bachelor's degree in computer science or related discipline, or equivalent work experience.

  • Typically, a minimum of 7 years of systems analysis and application development experience, including 3+ years of experience building AI solutions.

  • Applicable certifications preferred.

#LI-KJ1 #LI-HYBRID

In certain jurisdictions, CNA is legally required to include a reasonable estimate of the compensation for this role. In District of Columbia, California, Colorado, Connecticut, Illinois, Maryland, Massachusetts, New York and Washington, the national base pay range for this job level is $72,000 to $141,000 annually.Salary determinations are based on various factors, including but not limited to, relevant work experience, skills, certifications and location. CNA offers a comprehensive and competitive benefits package to help our employees - and their family members - achieve their physical, financial, emotional and social wellbeing goals. For a detailed look at CNA's benefits, please visitcnabenefits.com.


CNAutilizesAI-enabled technology during the recruiting process. For more information, please visitourcareers page.


CNA is committed to providing reasonable accommodations to qualified individuals with disabilities in the recruitment process. To request an accommodation, please contactleaveadministration@cna.com

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