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Senior Fastapi Developer Jobs in Chicago, IL (NOW HIRING)

Seven Seven Software

Senior ReactJS Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

Senior Developer (Strong UI & Python Fundamentals) Position: Senior Developer Location: Chicago ... FastAPI, Pydantic, SQLAlchemy (ORM), Alembic, Pytest. * General * Excellent problem-solving and ...

NAVA Software Solutions

Sr. AI/ML Engineer

Deerfield, IL · On-site

$106.30K - $145.90K/yr

AI/ML Engineer Senior Advisor Location: Chicago IL -Hybrid - 3 days/week onsite Duration: 6-12 ... Practical experience building and serving REST APIs for inference (TF Serving, TorchServe, FastAPI)

MBR Partners

Senior Software Engineer

Chicago, IL · Remote

$150K/yr

With a back-end team in the Philippines, I'm currently hiring for a Senior Software Engineer ... FastAPI Experience with React, Redux (RTK), CSS modules Experience with CI/CD, Clouds (AWS/GCP ...

Fitch Solutions

Senior Software Engineer, AI

Chicago, IL · On-site

$126.30K - $166.50K/yr

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

PepsiCo

Senior AI Engineer

Chicago, IL · On-site

PepsiCo is a leading company in the food and beverage industry, seeking a Senior AI Engineer ... e.g., FastAPI, asyncio, Pydantic) • LLM & Agent Systems: Multi-agent orchestration (e.g ...

Fitch Solutions

Senior Software Engineer, GenAI

Chicago, IL · On-site

$126.30K - $166.50K/yr

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 ...

Fitch Group

Senior Software Engineer, GenAI

Chicago, IL · On-site

$126.30K - $166.50K/yr

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 ...

Fitch Group

Senior Software Engineer, GenAI

Chicago, IL · On-site

$126.30K - $166.50K/yr

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 ...

Fitch Solutions

Senior Software Engineer, GenAI

Chicago, IL · On-site

$126.30K - $166.50K/yr

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 ...

Fitch Group

Senior Software Engineer, AI (Chicago)

Chicago, IL · On-site

$126.30K - $166.50K/yr

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 ...

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Senior Fastapi Developer information

See Chicago, IL salary details

$15

$63

$90

How much do senior fastapi developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for senior fastapi developer in Chicago, IL is $63.59, according to ZipRecruiter salary data. Most workers in this role earn between $53.99 and $71.30 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior FastAPI Developer, and why are they important?

To thrive as a Senior FastAPI Developer, you need deep expertise in Python, RESTful API design, and experience building scalable web backends, typically supported by a degree in computer science or related field. Familiarity with FastAPI, Docker, cloud platforms (such as AWS or Azure), and CI/CD tools is highly valued, along with proficiency in testing frameworks. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills enable the delivery of robust, efficient, and maintainable APIs that support business goals and high user demands.

What are some common challenges faced by Senior FastAPI Developers when scaling applications, and how can these be addressed?

Senior FastAPI Developers often encounter challenges related to managing high concurrency, optimizing API performance, and ensuring robust security as applications scale. To address these, it’s important to implement asynchronous programming practices, leverage efficient database queries, and utilize API gateways for better traffic management. Collaboration with DevOps and QA teams is also essential to automate deployments and monitor system health, ensuring smooth scaling and reliable user experiences.

What does a Senior FastAPI Developer do?

A Senior FastAPI Developer designs, develops, and maintains backend web applications using the FastAPI framework in Python. They are responsible for building scalable APIs, optimizing performance, ensuring security best practices, and integrating with databases and external services. Senior developers also mentor junior team members, contribute to architecture decisions, and collaborate closely with front-end engineers and stakeholders to deliver robust software solutions.
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Senior Fastapi Developer jobs near you

Senior ReactJS Developer

Seven Seven Software

Chicago, IL • On-site

$56.25 - $74.25/hr

Contractor

Posted 25 days ago

Job description

Job Description: Senior Developer (Strong UI & Python Fundamentals)
Position: Senior Developer
Location: Chicago
Employment Type: FTC
Experience Level: Senior
Role Overview We're looking for a front-end-leaning engineer with a strong eye for design and user experience who can also contribute to backend work using solid Python fundamentals. You'll build responsive, accessible interfaces in React while assisting with API development, data models, and automated testing on the backend.
Key Responsibilities
  • Frontend (Primary - Strong UI)
    • Design and build responsive, accessible, and visually appealing UIs using React and Vite.
    • Collaborate closely with designers and PMs to translate Figma designs into high-quality interfaces; provide UX feedback and iterate quickly.
    • Maintain front-end quality with unit tests (Vitest) and end-to-end tests (Playwright).
    • Troubleshoot, optimize, and enhance UI performance, accessibility, and component reuse.
  • Backend (Python Fundamentals, nice to have not mandated)
    • Contribute to backend services using core Python skills; collaborate on API endpoints, data validation, and service integration.
    • Apply TDD principles with Pytest; write clean, maintainable, and well-documented code.
    • Work with relational databases (MySQL) and ORMs; assist with SQLAlchemy models and Alembic migrations (hands-on ORM usage preferred over raw scripts).
    • Exposure to DDD concepts is a plus; align modules and data models to domain boundaries where practical.
  • Engineering Excellence & Collaboration
    • Participate in code reviews and follow best practices to ensure code quality, scalability, and maintainability.
    • Help troubleshoot production issues and continuously improve build, test, and deployment workflows.
    • Partner cross-functionally with product, design, and backend teams; communicate clearly and proactively.

Required Skills & Qualifications
  • Frontend (Strong UI)
    • Proficient in React and Vite for modern, performant front-end development.
    • Testing experience with Vitest and Playwright.
    • Strong sense of visual design and user experience; familiarity with Figma is a plus.
  • Backend (Python Fundamentals)
    • Solid knowledge of Python fundamentals.
    • Nice to have (not required): FastAPI, Pydantic, SQLAlchemy (ORM), Alembic, Pytest.
  • General
    • Excellent problem-solving and communication skills.
    • Ability to work independently and as part of a team.
    • Proven track record of delivering high-quality software solutions.

Preferred Qualifications
  • Experience working in agile development environments.
  • Prior experience mentoring junior developers.
  • Contributions to open-source projects.

Job Requirements

Apply