30 fastapi developer jobs at 20 companies in Pennsylvania

1w
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Engineer
Pittsburgh, Pennsylvania, United States
$90k-$100k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOEBachelor of Computer Science, 8+ years experience, advanced Python and API development skills, experience with FastAPI/Django/Flask and relational/datastore technologies.
Python, FastAPI, Django, Flask, SQLAlchemy, SQLModel, Redis, MySQL, MSSQL, PostgreSQL, Oracle, OpenAPI, Swagger, Django REST Framework (DRF)
2mo
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Software Engineer Principal
Pittsburgh, Pennsylvania, United States
OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
5+ YOE5+ years in software development; Python; FastAPI/Flask/Django; Celery; Django ORM/SQLAlchemy; Ansible Playbooks; CI/CD; Git/Jenkins; automated testing; leadership.
Python, FastAPI, Flask, Django, Celery, Django ORM, SQLAlchemy, Ansible, Jenkins, Git, CI/CD
1w
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
SITE Technologies
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
3mo
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Software Engineer
Pittsburgh, Pennsylvania, United States
$115k-$165k/yr OnsiteFull Time
Gray Swan AI
Gray Swan AI: Provides security and threat detection for AI deployments.
Full-stack engineer with TypeScript/JavaScript, frontend (React/Vue/Svelte), backend APIs (FastAPI), and MongoDB; ability to work across frontend, backend, and data collaboration.
Svelte, FastAPI, MongoDB, TypeScript, JavaScript, React, Vue, SvelteKit, Python
1mo
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AI Lead Developer
Exton, Pennsylvania, United States
OnsiteFull Time
SID Global Solutions
SID Global Solutions: Provides AI-driven digital transformation and cloud infrastructure services.
10+ YOE10+ years software engineering (4+ years in AI/GenAI), strong Python with FastAPI/Flask, experience with LangChain/LangGraph/AutoGen/ADK/MCP, RAG and vector DBs, cloud (AWS/Microsoft Azure/GCP), Docker/Kubernetes, Redis, Kafka, and AI productionization.
ADK, AutoGen, Chroma, Claude, Docker, FAISS, FastAPI, Flask, GCP, Gemini, Hugging Face, Kafka, LangChain, LangGraph, MCP (Model Context Protocol), Microsoft Azure, Microsoft Azure AI Search, Microsoft Azure OpenAI, OpenAI, Pinecone, Python, Redis, Spark, Weaviate, CI/CD, AWS
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Senior Applied AI Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
7+ YOE7+ years software engineering experience; strong Python and backend API skills; experience with FastAPI, PostgreSQL, distributed systems, AWS, containerization, CI/CD, and observability; bachelor's degree preferred.
Python, FastAPI, PostgreSQL, AWS, EC2, ECS/Fargate, Lambda, RDS, S3, IAM, CloudWatch, Docker, CI/CD, React, TypeScript, Snowflake, Databricks, OpenSearch, Elasticsearch, Infrastructure as Code (IaC), Agentic AI
3w
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AI Engineer
Broomall or United States
$175k-$190k/yr RemoteFull Time
Xactus
Xactus: Provides verification and credit reporting for mortgage lenders.
3+ YOEBachelor's degree or equivalent; 3+ years building production AI/ML systems; experience with LangChain/LangSmith/Agentcore, Claude/GPT, Python, FastAPI, SQL, RAG/semantic search, Neo4j/Neptune, and AWS (S3, CloudFormation, CloudWatch).
LangChain, LangSmith, Agentcore, Neo4j, Neptune, Python, AWS Glue, S3, CloudFormation, CloudWatch, SQL, Cypher, SPARQL, OpenSearch, FastAPI, MLflow, PyTorch, TensorFlow, scikit-learn, Claude, GPT, AWS Bedrock, Codex, Terraform, Docker, Kubernetes
1d
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Senior Data Engineer
Irving or Woonsocket or Wellesley or New York or Blue Bell
$93k-$222k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE5+ years as a data engineer in cloud environments; strong Python (Flask/FastAPI), advanced SQL, cloud-native architectures (GCP preferred), EMR of data ingestion, and experience with AI-driven workflows.
Python, Flask, FastAPI, BigQuery, Airflow, Dataflow, Pub/Sub, Cloud Functions, Vertex AI, Azure Data Factory, AWS Glue, GCP, Azure, AWS, SQL, Copilot, Cursor AI, Claude Code
2w
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Software Engineer
Pittsburgh, Pennsylvania, United States
OnsiteFull Time
Software Engineering Institute
Software Engineering Institute: Developing software and AI engineering for national security.
Professional experience with Python and Microsoft SQL Server, experience with RESTful APIs, strong software engineering principles, testing and source control, and ability to analyze complex technical and business problems.
Python, Microsoft SQL Server, FastAPI, OpenAPI/Swagger, CI/CD
2w
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Software Engineer
Pittsburgh, Pennsylvania, United States
OnsiteFull Time
Carnegie Mellon University
Carnegie Mellon University: Global research university providing higher education and conducting scientific research.
Professional experience with Python and Microsoft SQL Server, designing and consuming RESTful APIs, strong software engineering principles, testing and source control, and ability to analyze complex technical and business problems.
Python, Microsoft SQL Server, FastAPI, OpenAPI/Swagger, CI/CD
1w
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Software Engineer
State College, Pennsylvania, United States
$92k-$175k/yr OnsiteFull Time
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
0+ YOEBachelor's in engineering/science, proficiency in C++/C, Linux, Git/GitLab and modern tools, containerization (Docker/Kubernetes), strong CS fundamentals; eligible for U.S. government security clearance and U.S. citizenship required.
C++, C, Electronic Medical Records (EMR), Git, GitLab, JIRA, Confluence, Bamboo, Artifactory, BitBucket, SonarQube, Docker, Kubernetes, MATLAB, Python, Java, FPGA, SQL, NoSQL, Big Data, Rust, Bash, JavaScript, HTML, CSS, Google Protocol Buffers, ZeroMQ, FastAPI, pytest, React, Tailwind, AWS, Vim, CMake, GDB
2mo
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Software Engineer - Cloud
Pittsburgh, Pennsylvania, United States
OnsiteFull Time
Carnegie Robotics
Carnegie Robotics: Designs and manufactures rugged autonomous systems and robotic sensors.
2+ YOECloud-focused software engineer with Python, AWS, REST APIs, and IaC experience; able to own end-to-end cloud projects.
AWS, Python, Terraform, PostgreSQL, DynamoDB, MongoDB, API Gateway, Lambda, S3, EC2, CloudFormation, CDK, Grafana, Prometheus, Datadog, FastAPI, Flask, Django, React
1mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
21h
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Artificial Intelligence (AI) Engineer
Alaska or California or Connecticut or Illinois or Maryland or Massachusetts or New Jersey or New York City or Pennsylvania or Virginia or Washington or District of Columbia
$79k-$145k/yr RemoteFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
1+ YOEBachelor's degree,1–3 years relevant experience,fluency in Python,knowledge of .Net and SQL,familiarity with ML frameworks and generative AI,Azure preferred,strong communication and business-translation skills.
Python, .Net, SQL, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, MLflow, LLM APIs, vector databases, FastAPI, Git, Microsoft Azure, GCP, Databricks, AWS, Docker, CI/CD, REST APIs
3mo
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Staff Platform Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNASDAQ: URBN: Retailer of apparel, home goods, and lifestyle products.
Platform/DevOps/SRE experience; strong GCP knowledge; Terraform/OpenTofu; TACoS; CI/CD (GitHub Actions); Python; security; observability; mentorship.
Google Cloud Platform, Terraform, OpenTofu, TACoS, GitHub Actions, Python, FastAPI, Airflow, LangGraph, Pydantic, dbt, uv
3mo
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URBN Staff Platform Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Urban Outfitters
Urban OutfittersNASDAQ: URBN: Multi-brand retail operator of lifestyle apparel and home goods.
5+ YOEIaC with OpenTofu/Terraform, GCP (Cloud Run, BigQuery, AlloyDB, Pub/Sub, IAM), CI/CD (GitHub Actions), Python, security-first mindset, mentorship.
Terraform, OpenTofu, GitHub Actions, Cloud Run, BigQuery, AlloyDB, Pydantic, FastAPI, Airflow, LangGraph, Vertex AI, just, Python, IAM, Cloud Monitoring
1w
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AI & Data Science Intern
Carlisle, Pennsylvania, United States
OnsiteFull Time, Internship
Carlisle Companies
Carlisle CompaniesNYSE: CSL: Manufacturer of energy-efficient building envelope products and roofing systems.
Pursuing a Master's or PhD in CS/DS/Engineering, strong Python and ML/CV skills, experience with FastAPI/Streamlit and libraries (pandas, scikit-learn, OpenCV, TensorFlow/PyTorch), familiarity with LLMs and agentic AI.
Python, pandas, scikit-learn, OpenCV, TensorFlow, PyTorch, FastAPI, Flask, Django, Streamlit, Reflex, React, LangChain, LlamaIndex, SEM
1mo
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Senior Python Development Lead
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Brown Brothers Harriman
Brown Brothers Harriman: Providing global investment management, custody, and private banking services.
15+ YOE5+ Mgmt15+ years in data engineering/software development; Python/Django; ETL pipelines; data visualization; Agile; Linux; security; leads 5-6 juniors
Python, Django, SQL, Bash, JavaScript, Plotly Dash, D3.js, AG Grid, Apache Airflow, FastAPI, Linux, Git, CI/CD
3w
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Data Scientist
Pittsburgh or United States
HybridFull Time
PPG
PPGNYSE: PPG: Manufacturer of paints, coatings, and specialty materials.
1+ YOEB.S. in a quantitative field required (M.S. preferred), 1+ years applying data science; proficiency in Python, deep learning frameworks (TensorFlow, PyTorch, Keras), Git, API development (FastAPI/Flask), SQL and distributed data technologies; experience in ML, computer vision, cloud and Agile teams.
Python, TensorFlow, PyTorch, Keras, Git, FastAPI, Flask, SQL, Hadoop, Hive, Spark, Azure, AWS, GCP, Large Language Models (LLMs)
3w
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AI Solutions Architect
Kennett Square or Pennsylvania
HybridFull Time
Chatham Financial
Chatham Financial: An independent capital markets advisor delivering integrated advice and technology to help clients manage financial risk.
5+ YOEBachelor's in CS/IS/Engineering or equivalent, 5+ years in solutions/enterprise architecture, experience with Azure cloud services, Python, C#/.NET, TypeScript/React, OAuth2/OIDC, LLM integration patterns, CI/CD (GitHub Actions), and strong communication.
Onyx, Python, FastAPI, Azure, App Service, Functions, Cosmos DB, Blob Storage, C#, .NET, PostgreSQL, TypeScript, React, OAuth 2.0, OpenID Connect (OIDC), GitHub Actions, CI/CD, large language model (LLM)