Job Descriptions 

• Responsible for continuous improvement of service performance, security, stability and scalability;
• Responsible for using Node.js to develop the platform's back-end API system and server-side software;
• Responsible for Participating in project prototype discussions, plan customization, task estimation activities;
• Responsible for writing relevant technical documents, unit tests, and responsible for product quality;

Skill requirements

• 3 years above back-end development experience;
• Experienced in core payment system development;
• Excellent coding ability, proficient in Node.js, familiar with ES6, TypeScript, familiar with commonly used algorithms, familiar with open source frameworks;
• Proficiency in a common back-end open source framework: Express, koa, etc.;
• Nest.js is highly prefer
• Master the technology and process of automatic unit testing and integration testing, familiar with mocha/jest;
• Have a strong ability to analyze and solve problems, and have a strong ability of architecture design and optimization;
• Have a strong interest in new technology research, good learning ability and strong enterprising spirit and innovative spirit;
• Master the principles and applications of relational databases such as Mysql, and have experience in designing large-scale relational databases;
• Experience in Typeorm is plus
• Master the principles and applications of Redis, MongoDB, and other storage systems;
• Understand message-driven, asynchronous communication, multiplexing, high concurrency, load balancing, thread pools, message queues;
• Experience with Docker, Kubernetes, AWS or GCP cloud computing;
• Good communication and teamwork skills;
• Good command of written and spoken English and Chinese.

Atom International Technology Limited is a specialist in decentralized network solutions using leading-edge digital technology. Our mission is to improve lives through online and offline innovations in FinTech, Distributed Ledger Technology (DLT), mesh networking architecture, digital asset management & exchanges, and other future financial solutions. We are agile and borderless, providing solutions across multiple industries including global finance, media, entertainment, technology, and other areas.