16 senior fastapi developer jobs at 13 companies in Pennsylvania

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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
3w
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Engineer
Pittsburgh, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years experience as CI/CD/DevOps engineer with Python and Angular, CI/CD pipeline design (Jenkins/GitHub Actions/Azure DevOps/GitLab), IaC (Terraform/ARM/CloudFormation), REST API development (Flask/FastAPI/Django).
Python, Angular, Jenkins, GitHub Actions, Azure DevOps, GitLab CI/CD, Terraform, ARM templates, CloudFormation, Flask, FastAPI, Django
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
2mo
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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 Software Engineer (Full Stack)
Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Illinois or Indiana or Kentucky or Louisiana or Maryland or Maine or Michigan or Minnesota or Missouri or North Carolina or New Hampshire or New Jersey or New York or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington
RemoteFull Time
ServiceTrade
ServiceTrade: Software platform for commercial mechanical and fire contractors.
5+ YOE5+ years building production full‑stack applications; strong JavaScript/TypeScript and React experience, backend skills (PHP/Node/Python), cloud and DevOps knowledge, API and database expertise, strong communication and systems design.
JavaScript, TypeScript, React.js, Vue.js, Angular, HTML5, CSS3, SASS, PHP, Node.js, Python, Django, FastAPI, PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, AWS, GCP, Azure, Docker, Kubernetes, GitHub Actions, Jenkins, GitLab, Claude Code, Cursor, Copilot
1mo
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Software Engineer
State College, Pennsylvania, United States
$122k-$231k/yr OnsiteFull Time
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
5+ YOEBachelor's degree in engineering or science, 5+ years software engineering experience (up to senior levels require 14+ years), proficiency in C/C++, Linux, Git, containerization (Docker, Kubernetes), strong algorithms and systems skills, ability to obtain U.S. security clearance, U.S. citizenship required.
C++, C, Linux, Git, GitLab, JIRA, Confluence, Bamboo, Artifactory, BitBucket, SonarQube, Docker, Kubernetes, SQL, NoSQL, MATLAB, Python, Java, Rust, Bash, JavaScript, HTML, CSS, Google Protocol Buffers, ZeroMQ, FastAPI, pytest, React, Tailwind, AWS, Vim, CMake, GDB, ATAK, WinTAK
2mo
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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
2mo
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Staff Software Engineer (Pittsburgh)
Pittsburgh, Pennsylvania, United States
$210k-$260k/yr HybridFull Time
Gray Swan AI
Gray Swan AI: Provides security and threat detection for AI deployments.
Full-time, senior full-stack engineer with solid frontend and backend experience; proficient in TypeScript/JavaScript, frontend frameworks (React, Vue, or Svelte), and backend APIs; familiar with MongoDB and cloud deployments.
TypeScript, JavaScript, Svelte, React, Vue, Node.js, FastAPI, MongoDB, Cloud Platforms
2mo
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Software Engineer Principal - Ansible/Python
Pittsburgh, Pennsylvania, United States
OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
5+ YOEExperience with Ansible, Python, backend development, distributed systems, and disaster recovery; strong automation and mentoring skills.
Ansible, Python, Celery, SQLAlchemy, SQLModel, FastAPI
2w
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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
2w
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Principal, Cloud Software Engineer
United Kingdom or Cambridge or London or Pennsylvania or New Jersey
RemoteFull Time
Jazz Pharmaceuticals
Jazz PharmaceuticalsNASDAQ: JAZZ: Biopharmaceutical developing therapies for neuroscience and oncology.
5+ YOE5+ years software engineering experience, 3+ years AWS cloud-native experience, proficiency in Python/Java/C++, modern frontend frameworks, REST APIs, secure healthcare app design, and AI/ML integration.
Python, Java, C++, FastAPI, Flask, Django, React, TypeScript, JavaScript, HTML5, CSS, Tailwind, AWS, EC2, Lambda, ECS, EKS, API Gateway, S3, CloudFront, CloudWatch, IAM, GitHub Actions, Jenkins, AWS CodePipeline
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
1w
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Slalom Flex (Project Based)- ML Ops Engineer
Philadelphia, Pennsylvania, United States
$80-$100/hr HybridFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
5+ YOEBachelor's/Master's in a quantitative field,5+ years ML engineering/MLOps experience,Python and ML framework proficiency,Azure Databricks and MLflow experience,CI/CD and containerization skills,enterprise production deployment experience.
Scikit-learn, PyTorch, TensorFlow, FastAPI, Flask, MLflow, Apache Spark, Delta Lake, Databricks, Unity Catalog, Feature Store, Git, Docker, Azure Data Lake Storage Gen2 (ADLS), Azure Key Vault, Azure Monitor, Azure DevOps, GitHub Actions
1mo
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Systems Programmer Analyst Sr.
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Brown Brothers Harriman
Brown Brothers Harriman: Providing global investment management, custody, and private banking services.
8+ YOE8+ years of software development and data engineering experience with Python, Django, SQL, ETL pipelines, data visualizations, Linux infrastructure, and secure coding practices.
Python, SQL, Bash, Javascript, Plotly Dash, D3.js, AG Grid, Apache Airflow, Django, FastAPI, Linux
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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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