36 fastapi jobs at 23 companies in Pennsylvania

2w
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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)
2w
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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
2mo
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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
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
3w
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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
4d
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Data Scientist
California or Colorado or Connecticut or District of Columbia or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Michigan or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Virginia
$90k-$120k/yr RemoteFull Time
Great Gray
Great Gray: Provides trustee and administrative services for collective investment trusts.
3+ YOE3+ years as a data scientist/ML engineer with production ML experience; strong Python, pandas, NumPy, scikit-learn, FastAPI, SQL, and cloud (Azure/AWS) skills; experience deploying and monitoring models.
Python, pandas, NumPy, PyDantic, FastAPI, scikit-learn, SQL, Azure, AWS, Azure AI Foundry, AWS Bedrock, Cursor, Claude, Angular, React, C#, .NET, MSSQL, Postgres, Databricks, Cypress, Docker, GitHub, SonarQube
1mo
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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
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
1mo
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Technical Commerce & AI Manager | Agentic Commerce
Chicago or Milwaukee or Herndon or Dallas or Columbus or Kirkland or Irvine or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Arlington or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$266k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
8+ YOE8+ years delivering digital commerce or marketing-technology transformations; hands-on Python and SQL experience; experience with Generative/Agentic AI, Agentic AI frameworks, cloud deployments (AWS/Azure/GCP), FastAPI, Databricks, CI/CD and Kubernetes; consulting and stakeholder leadership.
Python, SQL, LangChain, LlamaIndex, CrewAI, AutoGen, LangGraph, FastAPI, Databricks, AI/BI Genie, LLM-as-a-Judge, Mosaic AI Gateway, Redis, Kubernetes, CI/CD, AWS, Azure, GCP, Adobe Commerce, SAP CX, Salesforce Commerce, MCP
3w
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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
6d
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AI Engineer - Mission Innovation Lab
Pittsburgh or Arlington
OnsiteFull Time
Carnegie Mellon University
Carnegie Mellon University: Global research university providing higher education and conducting scientific research.
8+ YOEBS+8yrs or MS+5yrs in CS/ML/Math; proficiency in Python and a compiled language; experience with LLM fine-tuning, RAG, LangChain, Hugging Face, containers, CI/CD; ability to obtain and maintain DoW security clearance.
Python, C/C++, Java, REST, GraphQL, Docker, Kubernetes, LangChain, Hugging Face Transformers, TensorFlow, PyTorch, JAX, Airflow, Prefect, Ray, DeepSpeed, ZeRO, FastAPI, gRPC
4w
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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
1mo
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Staff Software Engineering Manager
Aurora or King of Prussia
$99k-$207k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOE3+ MgmtTS/SCI required; bachelor’s in CS/Engineering; 8+ years software development, 3+ years leadership; proficiency with backend languages (Python, Java, C#, Go), cloud (AWS/Azure/GCP), relational and NoSQL databases, Git and CI/CD.
Python, Java, C#, Go, Node.js, Express, NestJS, Django, Flask, FastAPI, Spring Boot, Quarkus, .NET Core, Ruby/Rails, PostgreSQL, MySQL, MongoDB, Redis, SQL, ORMs, Git, CI/CD, AWS, Azure, GCP
1mo
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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)
1mo
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Software Engineer Sr-1 - ALM Technology
Pittsburgh or Cleveland
$86k-$173k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
8+ YOE8+ years overall experience (5+ years in relevant technical areas). Strong Java/J2EE and JavaScript framework experience (Angular preferred). Experience with REST APIs, containerization, CI/CD, relational databases; banking/regulatory reporting experience preferred.
Angular, React, Ag-Grid, Axios, Material UI, Java, J2EE, Spring Boot, JSP, Servlets, JSF, Mockito, TestNG, Spock, Groovy, Gradle, Jenkins, Docker, JDK 17, GitHub, Kubernetes, OpenShift, Helm Charts, Oracle, Teradata, Python, FastAPI, Flask, MongoDB, Cassandra
4w
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Agentic AI Architect - Intelligence Engineering (East)
Atlanta or Boston or Charlotte or Hartford or Miami or New Brunswick or New York City or Philadelphia or Raleigh or Washington
$108k-$218k/yr HybridFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
5+ YOE5+ years software engineering experience with 2+ years on generative/agentic AI; experience designing multi-agent systems, RAG, cloud AI platforms, Python and API frameworks, evaluation and governance for production AI systems.
Amazon Web Services, Azure, Google Cloud, AWS Bedrock, Azure AI Foundry, OpenAI Service, GCP Vertex AI, Gemini, Databricks, Lang Graph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, Model Context Protocol (MCP), LangSmith, RAGAS, DeepEval, Claude Code, Cursor, Kiro, Python, FastAPI, Flask
1mo
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Healthcare Data Scientist & AI Solutions
Bristol, Pennsylvania, United States
$120k/yr OnsiteFull Time
BioVid
BioVid: Provides behavioral research and marketing strategy for life sciences.
5+ YOE5+ years in analytics/data engineering/science with hands-on medical and pharmacy claims (EHR preferred), AWS analytics (Athena/S3/Glue/SageMaker), SQL and Python (pandas, numpy), dbt, Great Expectations; HIPAA fluent.
EHR, AWS, Athena, S3, Glue, SageMaker, dbt, Great Expectations, SQL, Python, pandas, numpy, FastAPI, ECS, Fargate, App Runner, Lambda, LLM, IQVIA, Komodo, Symphony, Definitive Healthcare
5d
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ATAK Developer - Clearance Required
Pittsburgh or United States
$110k-$160k/yr HybridFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
3+ YOE3+ years software development including mobile; 2+ years Android (Kotlin/Java); API integration; DoD cybersecurity (STIGs, RMF); edge computing and low-resource optimization; active Secret clearance or ability to obtain.
Kotlin, Java, TensorFlow Lite, ONNX Runtime, PyTorch Mobile, React, Angular, Vue, Flask, Django, FastAPI, GDAL, GeoServer, Mapbox, Python, Bash, Docker, Kubernetes, AWS, Azure, GCP, REST, WebSocket, gRPC, TAK Server, Link 16
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
3mo
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URBN Staff Engineer, GenAI
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNASDAQ: URBN: Multi-brand retail operator of lifestyle apparel and home goods.
1+ YOE1+ year hands-on experience with image generation systems; strong Python and ML framework skills; experience designing scalable APIs and cloud infrastructure; Bachelor's or Master's in CS/Engineering/Math or related field; excellent communicaton and collaboration.
Python, PyTorch, Hugging Face, LangGraph, ADK, A2A, CrewAI, MCP, FastAPI, GraphQL, Docker, Terraform, Airflow, dbt