- 🔭 I’m currently working on DiDi
- 🌱 I’m currently using Objective-C,Golang,Java,Scala,Python,Solidity
- 📫 How to reach me: https://weibo.com/ranwj/
| Skills | Desc | Progress |
|---|---|---|
| CS Basic | CPU,MEM,PROCESS,NET,FS,DS | 👉👉👉👉👉👉👉 |
| Objective-C | 7 years, Didi app | 👉👉👉👉👉👉👉👉 |
| Java | RTA/RTB, 45wQPS, 60ms | 👉👉👉👉👉👉👉 |
| Golang | Ad system,Channel mngm | 👉👉👉👉 |
| Scala | AI feature-SDK | 👉 |
| Python | Spark Tasks, script | 👉 |
| Solidity | Smart Contracts,ETH,Defi | 👉👉 |
| Shell | script | 👉👉👉👉👉 |
| MySQL | basic,index,transaction,lock | 👉👉👉👉👉👉👉👉 |
| Redis | basic,optim,impl | 👉👉👉👉👉👉👉👉 |
| Nginx | config,impl | 👉👉👉 |
| ES | basic,impl | 👉 |
| Kafka/RabbitMQ | basic,impl | 👉👉👉👉👉👉👉👉 |
| ZK | Desc | 👉👉👉 |
| Distribute Sys | RPC,SOA,consistency | 👉👉👉👉 |
| Spring | IOC/AOP,Annotation,Spring Cloud | 👉 |
| HBase/Hive | basic,Modeling | 👉👉👉👉👉 |
| Spark | basic,AI | 👉👉👉 |
| Flink | basic | 👉 |
| ClickHouse | basic | 👉 |
| XGBoost | basic,impl | 👉👉👉👉 |