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Python Fastapi Developer Jobs in Pennsylvania (NOW HIRING)

Python AWS Developer

Malvern, PA · On-site

$49.25 - $68/hr

Python AWS Developer Location: Malvern, PA - onsite Long term contract Key Responsibilities ... Build and maintain RESTful APIs and microservices using frameworks such as Flask, FastAPI, or ...

AI Lead Developer

Exton, PA · On-site

$57 - $74.50/hr

AI Lead Developer - Agentic AI & GenAI Solutions Location: Exton, PA Onsite Employment Type ... Build scalable APIs and AI microservices using Python, FastAPI, andcloud-native architectures.

AI Lead Developer

Exton, PA · On-site

$57 - $74.50/hr

AI Lead Developer - Agentic AI & GenAI Solutions Location: Exton, PA Onsite Employment Type ... Build scalable APIs and AI microservices using Python, FastAPI, and cloud-native architectures.

Engineer

Pittsburgh, PA · On-site

$90K - $100K/yr

Python API Developer Must Have Technical/Functional Skills: * Acceptable frameworks: FastAPI (preferred), Django, Flask. * Good to see listed: sql alchemy, sql model, redis, mysql, mssql, postgres ...

Engineer

Pittsburgh, PA · On-site

$110K - $120K/yr

We are seeking a highly skilled CI/CD Developer with strong expertise in Python (backend automation ... Build RESTful APIs using frameworks such as Flask, FastAPI, or Django. * Integrate Python-based ...

Chatham Financial is looking for a Senior Software Engineer to join our Technology Engagements team ... Python (FastAPI or similar frameworks), JavaScript, TypeScript, React * Solid experience with SQL ...

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Python Fastapi Developer information

What is a Python FastAPI developer?

A Python FastAPI Developer is responsible for designing, developing, and maintaining backend applications using FastAPI, a modern web framework for building APIs with Python. They work on creating high-performance APIs, integrating with databases, implementing authentication, and ensuring scalability. This role often involves working with asynchronous programming, cloud services, and containerization tools like Docker. Developers collaborate with teams to create efficient, secure, and well-documented API endpoints for web and mobile applications.

What are the key skills and qualifications needed to thrive in the Python FastAPI developer position, and why are they important?

To thrive as a Python FastAPI Developer, you need strong proficiency in Python programming, experience designing RESTful APIs with FastAPI, and a background in web development concepts. Familiarity with version control systems like Git, containerization tools such as Docker, and knowledge of cloud platforms or SQL/NoSQL databases are commonly required, and certifications in cloud services or Python development can be advantageous. Excellent problem-solving skills, effective communication, and the ability to collaborate in agile teams help developers contribute efficiently to complex projects. These competencies ensure robust, scalable backend solutions and smooth coordination within development teams to meet business goals.

What are some typical daily tasks for a Python FastAPI developer?

A Python FastAPI Developer typically spends their day designing, developing, and maintaining RESTful APIs to support web or mobile applications. This involves writing clean and efficient Python code, collaborating with frontend developers or other backend engineers to integrate new features, and ensuring the application meets performance and security standards. Developers also participate in code reviews, debugging, and continuous integration processes, while regularly communicating with product managers or stakeholders to align on project requirements. Staying up to date with FastAPI enhancements and industry best practices is also a common part of the role.

What job categories do people searching Python Fastapi Developer jobs in Pennsylvania look for? The top searched job categories for Python Fastapi Developer jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for Python Fastapi Developer jobs? Cities in Pennsylvania with the most Python Fastapi Developer job openings:
Infographic showing various Python Fastapi Developer job openings in Pennsylvania as of July 2026, with employment types broken down into 77% Full Time, 10% Part Time, 2% Temporary, 10% Contract, and 1% Nights. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

Senior Full Stack Developer (Angular + Python)

System One

Pittsburgh, PA • On-site

$55/hr

Other

Medical, Dental, Vision, Life, Retirement

Posted 22 days ago


Job description

Job Title: Senior Full Stack Developer (Angular + Python)
Location: Chicago, IL
Type: Contract 
Compensation: $55
Work Model: Onsite – onsite/Remote
Hours: 40.0

Responsibilities

  • Design and implement frontend components using Angular, including component architecture, modules, lazy loading, standalone components, and reusable design systems.
  • Manage state with NgRx or Angular Signals, employing reactive patterns with RxJS, and designing service-layer interactions.
  • Optimize performance through change detection tuning, AOT compilation, and testing with Jasmine, Jest, or Cypress, ensuring accessibility standards are met (WCAG).
  • Develop backend APIs with Python FastAPI, including RESTful endpoint creation, Pydantic models, dependency injection, and OpenAPI documentation.
  • Implement async/await patterns, background tasks, caching, and rate limiting for performance enhancements.
  • Manage security and authentication using JWT/OAuth2, middleware, CORS, and coordinate input validation following OWASP guidelines.
  • Design and model PostgreSQL schemas, implement normalization, indexing strategies, migrations with Alembic, and optimize queries using EXPLAIN ANALYZE, CTEs, window functions.
  • Utilize SQLAlchemy for ORM and transaction management, ensuring transaction isolation and connection pooling.
  • Work with AWS cloud services, including serverless architecture, Lambda functions, SNS/SQS messaging, data pipelines with AWS Glue ETL, S3, and IAM security.
  • Participate in sprint planning, issue estimation, risk escalation, stakeholder communication, and collaborate across product, QA, and DevOps teams.

Requirements

  • Proven experience with Angular 15+ including NgRx, RxJS, Angular Signals, and TypeScript.
  • Strong backend development skills with Python 3.10+, FastAPI, Pydantic, SQLAlchemy, and API design principles.
  • Hands-on experience with PostgreSQL, including schema design, indexing, query optimization, and migrations using Alembic.
  • Knowledge of AWS cloud services such as Lambda, Glue, SNS, SQS, S3, and CloudWatch.
  • Experience implementing security and authentication with JWT and OAuth2.
  • Familiarity with performance tuning, accessibility standards, and testing frameworks like Jasmine, Jest, and Cypress.
  • Excellent collaboration, mentoring, and communication skills in a team environment.
  • Bachelor’s degree in Computer Science, Information Technology, or related field preferred.


 

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #404-IT Pittsburgh