Joseph Zhang
@josephzhang1
Senior Python backend and Full‑Stack TypeScript developer specializing in AI platform infrastructure.
What I'm looking for
I am a Senior Backend Engineer with 10 years designing, building, and scaling microservice-based systems and cloud-native infrastructure across AWS, GCP, and Azure. I specialize in Python, Go, and TypeScript, delivering production-grade backend platforms and secure data architectures that power AI-driven products.
I have built RAG pipelines, multi-agent AI systems, event-driven ingestion pipelines, and observability and cost-optimized cloud deployments, and I mentor engineers on LLM best practices and system design for AI-native applications.
Experience
Work history, roles, and key accomplishments
Applied AI Engineer
Duckie AI
Oct 2023 - Present (2 years 3 months)
Designed and shipped end-to-end AI features using RAG, prompt orchestration, and multi-agent systems; built scalable FastAPI and TypeScript backends and retrieval pipelines (Weaviate, Qdrant) that improved LLM factuality and reduced hallucinations.
Developed multi-tenant API services and event-driven systems on Azure, built AKS-deployed microservices and CI/CD pipelines that improved release velocity by 40% and strengthened monitoring and SLA compliance.
Developed Python/Django backend modules and REST APIs for workflow automation, improved financial forecasting accuracy via relational schema design, and optimized performance with caching and indexing.
Education
Degrees, certifications, and relevant coursework
Illinois Institute of Technology
Master of Science, Computer Science
2015 - 2016
Completed a Master's Degree in Computer Science with coursework and projects in advanced systems and software engineering from 2015 to 2016.
Northwestern University
Bachelor of Science, Computer Science
2010 - 2014
Completed a Bachelor's Degree in Computer Science focusing on software engineering and systems from 2010 to 2014.
Tech stack
Software and tools used professionally
Kubernetes
Cloudflare
AWS CodePipeline
Jenkins
PostgreSQL
Node.js
Django
Next.js
Redis
Terraform
Azure DevOps
JavaScript
Python
HTML5
Java
PowerShell
Kafka
Azure Service Bus
FastAPI
Azure Monitor
GraphQL
gRPC
AWS Lambda
Azure Functions
TypeScript
OAuth2
Docker
GuardRails
SQL
Hugging Face
Temporal
Qdrant
LangChain
Weaviate
LangSmith
Loops
Availability
Location
Authorized to work in
Job categories
Skills
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