6 senior fastapi developer jobs at 5 companies in Lancaster, PA
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Lead Software Engineer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; building high-volume, low-latency transactional systems; microservices with Java/Spring Boot and Python (FastAPI/Flask); AWS services experience; SQL/RDBMS proficiency; agile/SCRUM and experience with AI-assisted development tools.
Java, Python, Spring Boot, FastAPI, Flask, S3, DynamoDB, ECS, EKS, RDS, Lambda, ALB, NLB, GitHub Copilot, Claude, Splunk, Dynatrace, Grafana, RDBMS, SQL, JDBC, Databricks
2mo
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AI Lead Developer
Exton, Pennsylvania, United States
OnsiteFull Time
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
1w
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Lead Software Engineer - Python, AWS, Big Data
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with Python, Big Data and data pipeline design; hands-on with AWS, Spark, Terraform and delivering production-grade systems; experience with AI-assisted development preferred.
Python, FAST API, Spark, AWS Lambda, AWS Glue, AWS Step Function, ECS, Terraform, Snowflake, AWS Bedrock
6d
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Senior Forward Deployed Engineer
Owings Mills, Maryland, United States
$130k-$150k/yr OnsiteFull Time
12+ YOE12+ years software/data engineering experience delivering AI/GenAI/LLM/RAG/agentic solutions; strong Python, AWS, EM production skills; experience with embeddings, vector DBs, LangChain-family tools and enterprise integrations.
Anthropic Claude, Amazon Bedrock, Python, FastAPI, Flask, LangChain, LangGraph, LlamaIndex, AutoGen, RAG, Lambda, API Gateway, Step Functions, ECS, EKS, S3, IAM, KMS, CloudWatch, CloudTrail, CI/CD, MCP servers
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Computer Scientist (Job #718)
Aberdeen, Maryland, United States
OnsiteFull Time
8+ YOEActive DoD security clearance, Bachelors in CS/CE/Data Science, 8+ years experience, prior military or DoD program experience, DevSecOps familiarity, strong software development and integration skills.
React, React Native, HTML, JavaScript, TypeScript, eCharts, D3, PowerBI, Python, FastAPI, SQL, SQLite, Vantage, Foundry
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AI Solutions Architect
Kennett Square or Pennsylvania
HybridFull Time
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)