Jie Liao (Jay)

Shenzhen City

Summary

Software Engineer with 3 years of experience in backend development, specializing in Java, Node.js, and AWS. Skilled in designing scalable, high-performance services and full-stack development. Proven track record in optimizing systems and leading Agile projects to improve service performance. Strong team player with excellent communication skills.

Overview

years of professional experience

Certification

Work History

Backend Engineer

Coolkit Tech (Shenzhen)

Shenzhen City

10.2022 - Current

Responsible for the robustness and stability of services.
Participated in full-link stress testing.
Led the statistical analysis plan and implementation of single equipment cost using AWS Redshift, Elasticsearch, MongoDB, etc.

Software Engineer

GUO TAI EPOINT SOFTWARE

06.2021 - 06.2022

Responsible for maintaining the government affairs center system and developing personalized needs.

Education

Bachelor of Science - Software Engineering

Shenyang Aerospace University

Shenyang, China

06-2021

Certification

AWS Certified Solutions Architect

Profession skills

Java, Expert in multi-threading, synchronization, experienced in optimizing JVM performance, garbage collection tuning, and concurrent programming.
Node.js, Skilled in building event-driven, asynchronous applications with RESTful APIs.
Web Development, Proficient in HTML, CSS, JavaScript, and Vue.js for creating dynamic UIs.
Database Management, Experienced in MySQL, Redis, and MongoDB for efficient data handling.
Cloud Computing, Hands-on with AWS services like EC2, S3, and Lambda for scalable solutions.

Affiliations

Contributed to apache/dubbo-getty
Add rate limiting and degradation to Connection-Manager service, cold start time shortened from 30m to 20m
Implement TLS SNI based on Netty to reduce business complexity
Leading JDK upgrade and optimizing garbage collector, the device message delay P95 dropped from 400 ms to 300 ms
Use Redis + Lua script to solve the problem of connection mapping
Optimized retrieval tasks, shortened overall query time by 50%

Languages

Chinese (Mandarin)

First Language

English

Upper Intermediate (B2)

Timeline