Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Kai, I graduated from Langfang Normal University in 2019 and am a full-stack developer with over 7 years of experience. I've worked across various domains like insurance, social security, and finance. I'm proficient in both front-end and back-end technologies — from React and TypeScript to Spring Boot and Node.Js . I enjoy solving real-world problems with practical code and am eager to contribute my end-to-end solution skills to a dynamic team.…I'm Kai, I graduated from Langfang Normal University in 2019 and am a full-stack developer with over 7 years of experience. I've worked across various domains like insurance, social security, and finance. I'm proficient in both front-end and back-end technologies — from React and TypeScript to Spring Boot and Node.Js . I enjoy solving real-world problems with practical code and am eager to contribute my end-to-end solution skills to a dynamic team.

Kai

Full Stack Developer, Web Developer, DevOps Developer, +2





I'm Kai, I graduated from Langfang Normal University in 2019 and am a full-stack developer with over 7 years of experience. I've worked across various domains like insurance, social security, and finance. I'm proficient in both front-end and back-end technologies — from React and TypeScript to Spring Boot and Node.Js . I enjoy solving real-world problems with practical code and am eager to contribute my end-to-end solution skills to a dynamic team.…I'm Kai, I graduated from Langfang Normal University in 2019 and am a full-stack developer with over 7 years of experience. I've worked across various domains like insurance, social security, and finance. I'm proficient in both front-end and back-end technologies — from React and TypeScript to Spring Boot and Node.Js . I enjoy solving real-world problems with practical code and am eager to contribute my end-to-end solution skills to a dynamic team.

Available to hire

I’m Kai, I graduated from Langfang Normal University in 2019 and am a full-stack developer with over 7 years of experience. I’ve worked across various domains like insurance, social security, and finance. I’m proficient in both front-end and back-end technologies — from React and TypeScript to Spring Boot and Node.Js . I enjoy solving real-world problems with practical code and am eager to contribute my end-to-end solution skills to a dynamic team.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Chinese

Fluent

Work Experience

Core Developer at Du Bang Insurance Collection and Payment System

September 1, 2018 - December 1, 2020

Developed backend and frontend features for the insurance collection and payment system, covering core insurance processes such as underwriting, policy management, claims, premium calculations, and renewal payments; implemented multi-platform support for Web, mobile H5, and mini-programs.

Full Stack Developer at Jinbaoxin Social Security Card Technology Co., Ltd.

December 1, 2020 - September 1, 2022

Built full-stack modules for core processes, including unit and individual special refunds; implemented front-end and back-end integrations; developed portal modules and backend services; supported data migration, KPI reporting, and cross-platform compatibility; implemented automated testing and deployment pipelines.

Core Developer at Beijing Smart Human Resources System

January 1, 2022 - May 1, 2022

Developed front-end and back-end interactions for core insurance processes including applications, underwriting, policy management, claims reporting, premium calculation, and renewal payments; ensured multi-platform support across Web, mobile H5, and mini-programs.

Core Developer at National Pension Coordination System

May 1, 2022 - September 1, 2022

Developed front-end and back-end interfaces for core processes: insurance applications, underwriting, policy management, claims reporting, premium calculation, and renewal payments; adapted to Web, mobile H5, and mini-programs.

Full Stack Developer at Huiyou Mutual Property Insurance Company

September 1, 2022 - April 1, 2025

Built full-stack solutions for property insurance core processes; implemented backend and portal features; centralized payment integration via Ping An One Connect; supported automated voucher generation, data storage, and performance improvements.

Front End Engineer at Insurance Online Sales System

September 1, 2022 - Present

Participated in product requirement reviews to understand insurance business logic; collaborated with product and backend teams to formulate technical solutions; developed frontend interactions for core insurance processes; optimized UI performance and ensured responsive experiences across Web and mobile; established CI/CD pipelines with Docker/Jenkins.

Full Stack Developer at Du Bang Insurance Collection and Payment System

September 1, 2018 - December 1, 2020

Designed and built end-to-end insurance collection and payment system; implemented backend services using Spring MVC, MyBatis, Redis, and Node.js; created automated voucher generation, and RBAC-based permissions; contributed to portal and business process modules.