Senior Database Expert FT - SH 高级数据库专家 (全职) - 上海

Role Overview

You are the "cardiovascular surgeon" of Flowith’s data flows. As a Senior Database Expert, you will safeguard the data assets of millions of users, ensuring absolute security and efficient read/write operations for the product's underlying data. You must not only master the underlying logic of various databases but also build a rock-solid, lightning-fast data foundation for cutting-edge AI application scenarios from a high-level architectural perspective.

Key Responsibilities

• Core Data Architecture Evolution: Design and implement database architectures that support high concurrency and low latency. Participate in technology selection and review to pave the way for explosive business growth.
• Performance Monitoring & Extreme Tuning: Monitor database performance metrics around the clock, meticulously analyze slow queries and resource bottlenecks, and rapidly implement effective optimization solutions.
• High Availability & Disaster Recovery: Manage and optimize multiple database systems. Formulate rigorous data backup, recovery, and disaster recovery strategies to defend the red line of data security and availability.
• System Empowerment: Collaborate closely with backend and AI engineers to provide optimal data storage and retrieval support for complex product requirements from the foundational data architecture level.

• 核心数据架构演进：设计并实施支撑高并发、低延迟的数据库架构方案，参与技术选型与评审，为业务的爆发式增长铺平道路。
• 性能监控与极限调优：全天候监控数据库性能指标，抽丝剥茧分析慢查询与资源瓶颈，并快速落地行之有效的优化方案。
• 高可用与灾备保障：管理和优化多种数据库系统，制定严密的数据备份、恢复和容灾策略，捍卫数据安全与可用性的红线。
• 系统赋能：与后端及 AI 工程师紧密合作，从数据底层架构出发，为复杂的产品需求提供最优的数据存储与检索支持。

• You architect data ecosystems that scale flawlessly.
• Deep Data Mastery: 5+ years of database-related experience, with proven success in maintaining systems with millions of users. Familiarity with data security and access management best practices.
• PostgreSQL Guru: Mastery of PostgreSQL, encompassing query optimization, index design, table partitioning, and connection pool management.
• Multi-Modal Data Management: Skilled in SQLite application scenarios and performance tuning; deep understanding of Redis caching strategies, data structure selection, and persistence mechanisms.
• Extreme Tuning Hacker: Exceptional SQL tuning capabilities and experience in designing high-availability architectures (master-slave replication, read-write splitting, failover). Familiarity with various database monitoring tools and performance analysis methods.
• Bonus: Familiarity with Vector Databases or experience in data architecture related to AI knowledge bases/large-scale text retrieval.

需要你：

• 深厚的数据掌控力：5年以上数据库相关工作经验，经历过百万级/千万级以上用户规模系统的真实考验，了解数据安全和权限管理最佳实践。
• PostgreSQL 大师：精通 PostgreSQL 的方方面面，包括但不限于查询优化、索引设计、分区表及连接池管理。
• 多模态数据驾驭：熟练掌握 SQLite 的应用场景和性能优化；精通 Redis 缓存策略、数据结构选择与持久化机制。
• 极限调优黑客：具备极强的 SQL 调优能力与高可用架构设计经验（主从复制、读写分离、故障转移），熟悉各类数据库监控工具和性能分析方法。
• 加分项：熟悉 Vector Database（向量数据库）的应用，或有 AI 知识库/大规模文本检索相关的数据架构经验。

• Workspace, Culture & Lifestyle
• Awesome Teammates: Work alongside a kind, creative, and hardworking crew of occasional "geeks" and visionaries.
• Building the AGI Future: Participate in the in-house development of rapidly evolving AI agents and explore the future of AGI interactive interfaces.
• Cool Offices in SH & SF: Enjoy our ultra-open workspaces with the ultimate freedom to seamlessly switch between our Shanghai and San Francisco locations.
• Pet-Friendly Workplace: Bring your furry friends to work! Come play with our resident Orange Tabby and Golden Retriever Mix, or bring your own pets to hang out.
• Island Hackathons: Join our annual internal hackathons, where we select a new city or country each year for innovative coding sessions and team bonding.
• Free AI Tools & Tech Gear: Enjoy free, unlimited access to cutting-edge AI tools, plus the latest tech equipment like Apple Vision Pro and FPV drones.
• Tech Events: Regularly participate in top-tier global tech meetups and innovation showcases.
• Parties & Events: Celebrate with monthly birthday bashes and annual milestone parties
• Free Snacks & Drinks: Stay fueled with an endless supply of your favorite beverages and unlimited complimentary snacks.
• Work Arrangements
• Flexible Working Hours: Customize your schedule by arriving at the office between 10 AM and 1 PM for a standard 8-hour workday, 5 days a week.
• Remote Work & Care: Embrace a supportive hybrid work model, featuring 1 additional Work-From-Home (WFH) day per month exclusively for female employees.
• Comprehensive Benefits Package
• Competitive Compensation: Earn an above-market salary structure with an optional equity/stock options package.
• Wellness Program: Take care of your body and mind with free gym access and monthly on-site professional massages.
• Exclusive Swag & Perks: Receive holiday surprise gift boxes, premium custom company apparel (T-shirts, hoodies, and jackets), and occasional exclusive internal brand discounts.