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Senior Fastapi Developer Jobs in West Chester, PA

SID Global Solutions

AI Lead Developer

Exton, PA · On-site

$57 - $74.50/hr

Build scalable APIs and AI microservices using Python, FastAPI, andcloud-native architectures ... What We're Looking For A senior AI engineering leader who can move beyond chatbot development and ...

SID Global Solutions

AI Lead Developer

Exton, PA · On-site

$57 - $74.50/hr

Build scalable APIs and AI microservices using Python, FastAPI, and cloud-native architectures ... What We're Looking For A senior AI engineering leader who can move beyond chatbot development and ...

CVS Health

Senior Data Engineer

Blue Bell, PA · On-site

$92K - $222K/yr

Develop Python-based APIs (Flask/FastAPI) to enable seamless data access, model integration, and ... Knowledge of CI/CD and DevOps practices for data engineering * Experience with other cloud services ...

Chathamfinancial

Senior Software Engineer

Kennett Square, PA · On-site

$100K - $140K/yr

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 ...

Alivia Analytics

Senior Backend Engineer

Newtown Square, PA · Remote

$115K - $165K/yr

Collaborate with DevOps and QA teams to implement and maintain secure CI/CD pipelines and automated ... Strong proficiency in Python and related backend frameworks (e.g., Django, FastAPI). * Experience ...

Alivia Analytics

Senior Backend Engineer

Newtown Square, PA · Remote

$115K - $165K/yr

Collaborate with DevOps and QA teams to implement and maintain secure CI/CD pipelines and automated ... Strong proficiency in Python and related backend frameworks (e.g., Django, FastAPI). * Experience ...

Comcast

Senior Applied AI Engineer

Philadelphia, PA · On-site +1

$105K - $144K/yr

Strong Python development skills and experience building backend APIs and services using FastAPI or ... Knowledge of automated testing, deployment strategies, infrastructure-as-code, and modern DevOps ...

TekShapers

Sr. AI Architect

Oaks, PA · On-site

Build and mentor high-performing AI, data science, and ML engineering teams * Partner with Product ... Open source frameworks: strong with LangChain (or similar), plus experience with FastAPI/Flask and ...

JP Morgan Chase

Lead Software Engineer

Wilmington, DE · On-site

Experience in building microservices using Java/Spring Boot and Python/Fastapi/Flask * Experience ... Completed AWS Developer or Solution Architect Certification * Excellent problem-solving skills and ...

J.P. Morgan

Lead Software Engineer

Wilmington, DE

Experience in building microservices using Java/Spring Boot and Python/Fastapi/Flask * Experience ... Completed AWS Developer or Solution Architect Certificationâ * Excellent problem-solving skills ...

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Senior Fastapi Developer information

See West Chester, PA salary details

$14

$58

$83

How much do senior fastapi developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for senior fastapi developer in West Chester, PA is $58.46, according to ZipRecruiter salary data. Most workers in this role earn between $49.62 and $65.58 per hour, depending on experience, location, and employer.

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.

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 are the key skills and qualifications needed to thrive as a Senior FastAPI Developer?

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 job categories do people searching Senior Fastapi Developer jobs in West Chester, PA look for? The top searched job categories for Senior Fastapi Developer jobs in West Chester, PA are:
What cities near West Chester, PA are hiring for Senior Fastapi Developer jobs? Cities near West Chester, PA with the most Senior Fastapi Developer job openings:
Senior Fastapi Developer jobs near you

Senior Python AI Developer

Donato Technologies Inc

Wilmington, DE • On-site

$117K - $158K/yr

Other

Posted 5 days ago

Job description

The client is seeking a highly experienced Senior Python AI Developer with expertise in building enterprise-grade Generative AI applications. The ideal candidate will have extensive experience designing and implementing Retrieval-Augmented Generation (RAG) solutions, integrating Large Language Models (LLMs), and developing scalable AI platforms for financial services.
Required Skills
  • 10+ years of software development experience
  • Strong expertise in Python development
  • Hands-on experience building Retrieval-Augmented Generation (RAG) applications
  • Experience integrating LLMs such as GPT, Claude, Llama, Gemini, or Mistral
  • Experience with LangChain, LangGraph, LlamaIndex, or similar AI orchestration frameworks
  • Strong knowledge of vector databases including Pinecone, FAISS, Weaviate, ChromaDB, or Milvus
  • Experience with embedding models and semantic search
  • Experience developing REST APIs using FastAPI or Flask
  • Experience with prompt engineering and AI workflow optimization
  • Strong SQL and NoSQL database experience
  • Experience with Docker and Kubernetes
  • Cloud experience with AWS, Azure, or Google Cloud Platform
  • Experience with Git, CI/CD, and DevOps practices
  • Understanding of AI security, governance, and responsible AI practices
  • Experience working in Agile/Scrum environments
Preferred Skills
  • Financial or banking domain experience
  • Experience with OCR and document intelligence
  • Knowledge of AI agents and multi-agent frameworks
  • Experience deploying enterprise AI solutions
  • Experience with model evaluation and observability
Responsibilities
  • Design and build enterprise RAG solutions
  • Develop scalable AI services using Python
  • Build semantic search and document retrieval pipelines
  • Integrate vector databases and LLMs
  • Optimize prompt engineering and retrieval strategies
  • Collaborate with data scientists, architects, and business stakehold

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