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Senior Fastapi Jobs in Joliet, IL (NOW HIRING)

Senior AI Engineer

Chicago, IL · On-site

$130 - $190/hr

Summary As a Senior AI Engineer you will be a critical member in executing our AI development ... Experience with webservices and API frameworks (Flask, FastAPI, etc.). * Knowledge of distributed ...

Senior Gen AI Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

Fitch Solutions is currently seeking a Senior Gen AI Software Engineer based out of our Chicago ... Build robust production infrastructure - Develop enterprise-scale APIs (FastAPI) for deployment ...

Senior Gen AI Software Engineer

Chicago, IL

$126K - $166K/yr

Fitch Solutions is currently seeking a Senior Gen AI Software Engineer based out of our Chicago ... Build robust production infrastructure - Develop enterprise-scale APIs (FastAPI) for deployment ...

Experience with technologies such as Ansible, Django, FastAPI, Flask, Jenkins, Hashicorp Vault, Docker/Podman and Kubernetes would be beneficial * Previous experience in production management would ...

Architecting, optimizing and developing Python-based applications and APIs (FastAPI, Flask, RESTful services), including asynchronous programming and event-based architectures using cloud-native ...

Architecting, optimizing and developing Python-based applications and APIs (FastAPI, Flask, RESTful services), including asynchronous programming and event-based architectures using cloud-native ...

Experience with technologies such as Ansible, Django, FastAPI, Flask, Jenkins, Hashicorp Vault, Docker/Podman and Kubernetes would be beneficial * Previous experience in production management would ...

AI Engineer

Chicago, IL · On-site

$57 - $73.50/hr

Fitch Solutions is currently seeking a Senior Software Engineer, AI based out of our Chicago office ... Build robust production infrastructure - Develop enterprise-scale APIs (FastAPI) for deployment ...

AI Engineer

Chicago, IL · On-site

$57 - $73.50/hr

Fitch Solutions is currently seeking a Senior Software Engineer, AI based out of our Chicago office ... Build robust production infrastructure - Develop enterprise-scale APIs (FastAPI) for deployment ...

Showing results 21-40

Senior Fastapi information

See Joliet, IL salary details

$24.2K

$77.7K

$158.2K

How much do senior fastapi jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior fastapi in Joliet, IL is $77,705.00, according to ZipRecruiter salary data. Most workers in this role earn between $40,200.00 and $99,700.00 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 job categories do people searching Senior Fastapi jobs in Joliet, IL look for?

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

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

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

Infographic showing various Senior Fastapi job openings in Joliet, IL as of August 2026, with employment types broken down into 84% Full Time, 4% Part Time, 3% Temporary, and 9% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $77,705 per year, or $37.4 per hour.

Senior AI Engineer

OneStream

Chicago, IL • On-site

$130 - $190/hr

Other

Medical, Life, Retirement, PTO

Re-posted 8 days ago


Job description

If you are a job seeker with a disability and require a reasonable accommodation to apply for one of our jobs, you will find the contact information to request the appropriate accommodation by visiting the following our Accessibility Accomodation for Applicants page.

Locations

  • Hybrid
  • Travel Required : Yes
  • AI & Operational Analytics
  • Full-Time
  • Requisition #: SENIO004296
Location

Hybrid, United States

Employment Type: Full-Time

Additional variable compensation and benefits may apply. Total compensation is based on experience, skills, and location using objective, job-related criteria.

This role requires the candidate to work from one of the following OneStream office locations: Birmingham, MI, Fort Lauderdale, FL, New York, NY, or Chicago, IL.

Summary

As a Senior AI Engineer you will be a critical member in executing our AI development initiatives within the OneStream platform. The AI Product and Engineering team is focused on bridging the gap between AI research and AI products, bringing tangible and quantifiable value to our end users.

Your primary function will involve overseeing the entire lifecycle of AI and software subsystems—from defining requirements and designing systems to project planning and implementation. This critical role is instrumental in enhancing our AI capabilities, directly impacting our products\' performance and scalability across various markets.

In this position, you will also play a key leadership role, collaborating with cross-functional teams including Solution Engineering, AI Delivery, and Cloud Engineering. Your expertise will not only drive innovation but also mentor and guide other engineers, ensuring high-quality deliverables and promoting a culture of excellence.

Primary Duties and Responsibilities

  • Lead the design and development of scalable, high-performance applications and services using a variety of front-end and back-end technologies.
  • Design software subsystems and lead the project management and timely execution.
  • Use Python and SQL to build AI systems and functionality.
  • Troubleshoot and debug issues across the full stack, from the user interface to the database layer.
  • Lead technical design sessions to decompose and design complex systems and interfaces, ensuring they meet both technical and user requirements.
  • Lead code reviews, provide technical guidance, and mentor junior engineers.
  • Plan out product releases at a strategic and tactical implementation level for the rest of the team.

Required Education and Experience

  • BachelorsDegree or similar work experience.
  • CS/DS/EE/CE Degree or similar experience.
  • 3-5 Years experience building and deploying production-level machine learning solutions or similar experience.
  • 3-5 Years of Python (or similar experience).
  • Proficiency in Database schema design.
  • Proficiency of distributed systems and cloud-based computing.

Preferred Education and Experience

  • Experience with webservices and API frameworks (Flask, FastAPI, etc.).
  • Knowledge of distributed systems and cloud-based computing.

Knowledge, Skills, and Abilities

  • Quick learner who can understand and self-teach new technologies.
  • Ability to multi-task and prioritize ongoing activities based on importance.
  • Writes code using timeless software design patterns (dependency injection, volatility decomposition, etc.).
  • Adaptable to changes in technology and the business environment.
  • Strong ability to analyze problems, trace them to their core causes, and effectively address them in a systematic manner.
  • Excellent verbal and written communication skills, capable of mentoring junior engineers and leading project teams.
  • Proficient organization skills to lead and deliver complex projects on schedule.
  • Capable and comfortable effectively presenting in front of your peers.
  • Comfortable engaging and presenting to C-level executives from time to time.

Who We Are

OneStream is how today’s Finance teams can go beyond just reporting on the past and Take Finance Further by steering the business to the future. It’s the only enterprise finance platform that unifies financial and operational data, embeds AI for better decisions and productivity, and empowers the CFO to become a critical driver of business strategy and execution. Our vision is to be the AI operating system for modern finance, digitizing core financial functions and empowering the CFO to become a critical driver of business strategy.

Why Join The OneStream Team

  • Transparency around corporate structure, salary, and benefits.
  • Core value of customer success.
  • Variety of project work (not industry-specific).
  • Strong culture and camaraderie.
  • Multiple training opportunities.

Benefits at OneStream

OneStream employees are passionate, hardworking individuals who go above and beyond to keep our customers happy and follow through on our mission statement. They consistently deliver the best and in turn, we make every effort to keep them cared for and happy. A sample of the benefits we provide are:

  • Excellent Medical Plan.
  • Life Insurance.
  • Short & Long Term Disability.
  • Vacation Time.
  • Paid Holidays.
  • Professional Development.
  • Retirement Plan.

OneStream is an Equal Opportunity Employer.

#LI-REMOTE #LI-AS1

Travel Required

Yes. Minimal travel expected

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

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