Description

Your needs, my mission. Your ideas, my code. With 10 years of experience across industries, I’ve built everything from in-house systems to outsourced projects. I’ve seen requirements change overnight, bugs multiply faster than coffee refills, and deadlines move like goalposts—but I always deliver solutions that work, on time and with quality you can trust.

Languages

English
Native or bilingual
Chinese
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Saanw (Beijing) Information Technology Co., Ltd,
Full Stack Lead
October 2021 - August 2024 (2 years and 10 months)
Xi'An, Shaanxi, China
• Led the end-to-end development of the Saanw R&D team from 0 to 1, overseeing technology stack selection and acting as the lead backend developer.
• Established and managed Agile development processes, with bi-weekly iterations for continuous improvement.
• Designed and deployed microservices architecture with Java, Spring Boot, Spring Cloud Alibaba, and MyBatis Plus, ensuring scalability, stability, and efficient inter-service communication.
• Built high-performance web apps with Vue.js, JavaScript, and UniApp, enhancing user experience and responsiveness.
• Integrated third-party APIs (auth, messaging, analytics) to extend platform capabilities.
• Optimized databases (MySQL, MongoDB, Redis) with indexing and caching, improving query performance.
• Developed real-time distributed systems using WebSocket and Netty for low-latency communication.
• Collaborated with cross-functional teams to align backend services with product and design goals.
• Strengthened security via encryption, access control, and vulnerability scanning.
• Ensured scalability and reliability by using Docker, CI/CD pipelines, and automated testing/deployment.
• Continuously refined system architecture, researching new technologies to enhance performance.
• Participated in strategic decision-making, balancing technical feasibility with business objectives.
Java Spring boot MySQL MongoDB Redis
Xi'an ShangEn Network Technology Co., Ltd
Full Stack Engineer
March 2015 - September 2021 (6 years and 6 months)
• Developed and maintained web applications using Java, Spring Boot, MyBatis, and Redis, optimizing backend performance and database efficiency.
• Designed and implemented interactive frontend interfaces with Vue.js, JavaScript, jQuery, and Ant Design, enhancing usability and user experience.
• Built and integrated RESTful API services, enabling seamless communication across frontend, backend, and mobile clients.
• Integrated third-party services (payment gateways, SMS authentication, geolocation APIs) to extend system capabilities.
• Optimized database performance with MySQL and MongoDB, applying indexing and query optimization strategies to improve scalability.
• Deployed and managed applications in cloud environments with Nginx and Docker, ensuring stable and scalable system operations.
• Developed automated testing frameworks, performing unit and integration testing to guarantee system reliability and security.
• Collaborated with designers, product managers, and business teams to align technical solutions with business objectives.
• Provided technical support and troubleshooting, resolving complex bugs and performance issues in production systems.
Java Spring boot MySQL MongoDB Redis

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Master of Science
Durham University
Msc Advanced Computer Science

Shawn Cui

Java Full Stack Engineer | AWS SAP&DEA Certified

About Shawn

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