Open to opportunities

Jian Cui

Software Engineer / Data Engineer

I build ML platforms and enterprise-scale data systems. Currently at Dish Network, leading end-to-end development of AI-powered applications and Databricks CI/CD pipelines.

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[email protected]
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Selected Work

Featured Projects

All projects
2024

Multi-Agent AI Chatbot

A production multi-agent AI chatbot for the Dish Network advertisement team, enabling natural-language navigation of the advertisement order processing system via LangChain, LangGraph, and AWS Bedrock.

Multi-agent orchestrationProduction-deployed60% task time reduction
Python
LangChain
LangGraph
AWS Bedrock
+2
View case study
2023

Enterprise DAB CI/CD Controller

A centralized, governed Databricks Asset Bundle (DAB) deployment system supporting multi-team, multi-environment bundle promotion — the first automated CI/CD framework of its kind at Dish Network.

Multi-team supportMulti-environment promotionFirst DAB CI/CD at Dish
Python
Databricks
GitLab CI/CD
Scala
+2
View case study
2023

MLaaS Platform

Enterprise Machine Learning as a Service platform on AWS — Lambda, API Gateway, SNS, SQS, S3, Athena, RDS, and Apigee — delivering scalable ML model deployment and serving for multiple engineering teams.

Scalable ML servingEvent-driven architectureApigee + Logz integration
Python
AWS Lambda
API Gateway
S3
+4
View case study

Expertise

Tech Stack

Languages

  • Python
  • Scala
  • SQL
  • TypeScript

ML & AI

  • LangChain
  • LangGraph
  • PySpark
  • scikit-learn
  • TensorFlow
  • Pandas
  • NumPy

Data Platforms

  • Databricks
  • Apache Spark
  • MLaaS
  • Data Modeling
  • ETL Pipelines

Cloud & DevOps

  • AWS (Lambda, Bedrock, S3, RDS, Athena, EC2)
  • GitLab CI/CD
  • Docker
  • Databricks Asset Bundles

Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • Neo4j

APIs & Analytics

  • Apigee
  • AWS API Gateway
  • Tableau
  • matplotlib
  • Logz