Lyu Zizheng (吕子正)

PRESENT · SINGAPORE

Product Engineer 3/Tech Owner·Wise Core Payments · Ex-TikTok / ByteDance

“An engineer at heart and a builder by nature, bridging deep systems craftsmanship with genuine user empathy. From weathering high-concurrency storms at TikTok to orchestrating deterministic fintech workflows at Wise, I thrive on bringing zero-to-one products to life while lifting the team around me. More importantly, values engineering ethic and believes good software products must do good to societies.”

An engineer at heart and a builder by nature, bridging deep systems craftsmanship with genuine user empathy. Based in Singapore with 5+ years of experience engineering high-concurrency systems and financial backends across TikTok, MariBank, and Wise.

API gateway PaaS, observability, and release engineering.

WISE 集中式跨团队升级系统：基于 Kafka 打造平台化流转核心与接入 SDK，贯通 CS/PayOps/Fraud/KYC 跨系统流转链路[CAREER_DOSSIER N12]
Bondee 日志基础设施：部署 DaemonSet + Vector + Kafka + ES 自建采集链路替代昂贵云托管；身兼研发/协调/BD（新加坡首位 SWE）[CAREER_DOSSIER N09]
MariBank 数字银行信贷核心：Cashloan / SME Termloan 基于数据库事务与状态机实现阶段性强一致，保障全流程最终一致性[CAREER_DOSSIER N10]
Location 业务线与 AGW 网关工具：近百 Spark 离线任务错峰治理消除告警疲劳；研发 API 网关自助诊断与用量预估工具[CAREER_DOSSIER N07]

Publishing-grade typography and physical micro-interactions.

LZZ Blog：Next.js 15 + React 19 + Tailwind v4 + Lenis 惯性滚动，昼夜双模式印社设计语言[repo]
uWave 联创全栈：Flutter 客户端重构 + Spring Cloud 微服务重设计；20k 注册 / 4k DAU[CAREER_DOSSIER N03]
CanCan 独立全栈：面向独立经营者的财务凭证与自动对账平台，基于 SQLite 本地优先与复式记账原则打造[lib/products.ts]

Offline orchestration and real-time streaming services governance.

海外 Location 离线 Spark 治理与 Go 压榨：排查近百离线任务重构 12am/2am 错峰调度消除抢占；pprof 优化内存与结构体对齐提升东盟定位精度[CAREER_DOSSIER N07]
Bondee 日志管线：基于 DaemonSet + Vector + Kafka + ES 构建全自研高性能日志收集与导出管线[CAREER_DOSSIER N09]
TikTok IM：设计 5 分钟心跳在线状态引擎阻断百万 QPS 广播风暴；联合优化正在输入与已读回执信令链路解决跨机房时钟漂移与时序因果倒置[CAREER_DOSSIER N08]

Translating production incident firefighting into resilient systems.

Location 海外链路 7×24 Oncall 独挑大梁：在极端高压下主动归因重构告警规则消除疲劳；获 2022.01–02 Spot Bonus 与年度 Top E 评级[CAREER_DOSSIER N07]
TikTok IM 1 年后晋升；获 Bi-Monthly Spot Bonus[CAREER_DOSSIER N08]
WISE AI 自动化评估基座与最后一公里对账：99.8% 准确率 + 40% 召回率，月自动化处理 30k+ 错账，月省 £80,000 GBP[CAREER_DOSSIER N12]

Lyu Zizheng (吕子正)

PRESENT · SINGAPORE

Product Engineer 3/Tech Owner·Wise Core Payments · Ex-TikTok / ByteDance

“An engineer at heart and a builder by nature, bridging deep systems craftsmanship with genuine user empathy. From weathering high-concurrency storms at TikTok to orchestrating deterministic fintech workflows at Wise, I thrive on bringing zero-to-one products to life while lifting the team around me. More importantly, values engineering ethic and believes good software products must do good to societies.”

API gateway PaaS, observability, and release engineering.

WISE 集中式跨团队升级系统：基于 Kafka 打造平台化流转核心与接入 SDK，贯通 CS/PayOps/Fraud/KYC 跨系统流转链路[CAREER_DOSSIER N12]
Bondee 日志基础设施：部署 DaemonSet + Vector + Kafka + ES 自建采集链路替代昂贵云托管；身兼研发/协调/BD（新加坡首位 SWE）[CAREER_DOSSIER N09]
MariBank 数字银行信贷核心：Cashloan / SME Termloan 基于数据库事务与状态机实现阶段性强一致，保障全流程最终一致性[CAREER_DOSSIER N10]
Location 业务线与 AGW 网关工具：近百 Spark 离线任务错峰治理消除告警疲劳；研发 API 网关自助诊断与用量预估工具[CAREER_DOSSIER N07]

Publishing-grade typography and physical micro-interactions.

LZZ Blog：Next.js 15 + React 19 + Tailwind v4 + Lenis 惯性滚动，昼夜双模式印社设计语言[repo]
uWave 联创全栈：Flutter 客户端重构 + Spring Cloud 微服务重设计；20k 注册 / 4k DAU[CAREER_DOSSIER N03]
CanCan 独立全栈：面向独立经营者的财务凭证与自动对账平台，基于 SQLite 本地优先与复式记账原则打造[lib/products.ts]

Offline orchestration and real-time streaming services governance.

海外 Location 离线 Spark 治理与 Go 压榨：排查近百离线任务重构 12am/2am 错峰调度消除抢占；pprof 优化内存与结构体对齐提升东盟定位精度[CAREER_DOSSIER N07]
Bondee 日志管线：基于 DaemonSet + Vector + Kafka + ES 构建全自研高性能日志收集与导出管线[CAREER_DOSSIER N09]
TikTok IM：设计 5 分钟心跳在线状态引擎阻断百万 QPS 广播风暴；联合优化正在输入与已读回执信令链路解决跨机房时钟漂移与时序因果倒置[CAREER_DOSSIER N08]

Translating production incident firefighting into resilient systems.

Location 海外链路 7×24 Oncall 独挑大梁：在极端高压下主动归因重构告警规则消除疲劳；获 2022.01–02 Spot Bonus 与年度 Top E 评级[CAREER_DOSSIER N07]
TikTok IM 1 年后晋升；获 Bi-Monthly Spot Bonus[CAREER_DOSSIER N08]
WISE AI 自动化评估基座与最后一公里对账：99.8% 准确率 + 40% 召回率，月自动化处理 30k+ 错账，月省 £80,000 GBP[CAREER_DOSSIER N12]

Lyu Zizheng (吕子正)

Zizheng Lyu

Employment

架构底座

复杂前端

算法管道

工程效能

Lyu Zizheng (吕子正)

Zizheng Lyu

Employment

架构底座

复杂前端

算法管道

工程效能