Senior Backend R&D Engineer- E-commerce instant delivery direction

Responsibilities

< /div>1. Responsible for the delivery fulfillment, pricing, ETA direction system design, core function development, etc. of instant retail to ensure the implementation of business needs 2. Be able to better grasp DDD ideas and do a good job in domain modeling 3. In-depth understanding The distribution business is technology-driven, able to make technical plans around business goals, rationally select models, and promote implementation 4. New employee guidance, training and Code Review, discover and solve technical problems such as performance bottlenecks in the system, and build a high-performance, high-concurrency, Highly available system architecture, promote system architecture optimization, and ensure service SLA 5. Responsible for solving key issues and technical problems in the project, troubleshooting and solving online difficult problems, and giving reasonable guidance and improvement suggestions 6. Able to actively Innovative, willing to face challenges, open and honest, pragmatic and dedicated, pursuing perfection, and having excellent teamwork spirit.

Qualifications

1. Proficient in one or more languages in Java/Golang/PHP, have solid programming skills, and have strong Architectural capabilities and good coding standards 2. Familiar with GNU Linux, familiar with MySQL, and master common performance optimization techniques and big data database table design principles 3. Familiar with application development and principles such as Redis, mysql, MQ, RPC, NoSQL, etc., familiar with Relevant performance optimization principles, those with experience in large-scale system design and development are preferred 4. Familiar with distributed architecture, commonly used middleware, design patterns, big data processing technology, and understand certain design concepts and principles 5. Strong learning ability , have good problem analysis and solving skills, be sensitive to new technologies and be willing to commit to new technology research 6. High quality awareness, pursue perfection in project quality 7. Strong communication skills, good teamwork spirit, and promotion ability Strong 8. Priority will be given to those with relevant experience in distribution systems.