AI 全栈 · 云原生 · 金融科技AI Full-Stack · Cloud-Native · FinTech
你好，我是张人大Hello! I'm Renda Zhang
证明路径Proof path
根据你的问题选择公开证据Choose the evidence that matches your question
首页先把最强的公开证明放在前面，再让访问者进入证书上下文、Chat Guide 导览问题或联系意向。The homepage now points to the strongest public proof first, then lets visitors branch into certification context, a guided Chat question, or contact intent.
自我介绍About Me
大家好，我是张人大，常驻深圳，基于 Java/Spring 构建 AI 全栈与云原生 Web 系统。Hello! I'm Renda Zhang, a Shenzhen-based engineer building AI-enabled full-stack and cloud-native web systems on a Java/Spring foundation.
2026 年 7 月 6 日起，我将加入金融壹账通保险事业部海外寿险团队，担任后端开发高级工程师/TL。In July 2026, I will join OneConnect Financial Technology as a Senior Backend Engineer / Team Lead in the Insurance Business Unit overseas life insurance team.
PersonalWeb 是我的旗舰证明：Astro/React 前端、同源 AI Chat Widget、Flask/OpenAI 后端集成、技术文档、浏览器 smoke、SEO/GEO 与 CI/CD 交付闭环。My flagship proof is PersonalWeb: an Astro/React portfolio with a same-origin AI Chat Widget, Flask/OpenAI backend integration, technical docs, browser smoke coverage, SEO/GEO, and CI/CD delivery.
专注在 AWS 与 GCP 上构建 API-first 微服务，结合 Kubernetes、Terraform、GitHub Actions/Argo CD 和可观测性护栏安全交付。I design API-first microservices on AWS and GCP, using Kubernetes, Terraform, GitHub Actions/Argo CD, and observability guardrails to ship safely.
擅长用 Redis、消息队列与可靠性实践优化高并发链路，并把后端决策连接到 SSR/CSR 前端体验。I tune high-concurrency paths with Redis, queues, and structured reliability practices, then connect backend decisions to SSR/CSR frontend experiences.
持有 AWS 解决方案架构师（助理，2025 年 6 月）认证，本科毕业于美国明尼苏达大学计算机科学专业。I hold an AWS Solutions Architect – Associate (Jun 2025) and a B.S. in Computer Science from the University of Minnesota.
- 姓名:Name: 张人大 Renda Zhang
- 性别:Gender: 男 Male
- 邮箱:Email: 952402967@qq.com 952402967@qq.com
- 电话:Phone: 13925067232 +86-13925067232
- 地址:Address: 中国广东省深圳市南山区 518000 Nanshan District, Shenzhen, Guangdong, China 518000
- 网站:Website: www.rendazhang.com www.rendazhang.com
- 状态:Status: 将于 2026 年 7 月 1 日从凡新离职，7 月 6 日加入金融壹账通，任后端开发高级工程师/TL Leaving Fanxin on Jul 1, 2026; joining OneConnect Financial Technology in the overseas life insurance backend TL role on Jul 6, 2026
- 认证:Certifications: AWS 认证解决方案架构师 – 助理（2025 年 6 月） AWS Certified Solutions Architect – Associate (Jun 2025)
教育Education
教育经历为工程叙事提供计算机科学基础：明尼苏达大学本科、美国学习经历，以及系统、网络、算法、软件工程、编程语言和 UI 设计等课程支撑。Education supports the engineering narrative with a Computer Science foundation from the University of Minnesota, U.S. academic experience, and coursework spanning systems, networks, algorithms, software engineering, programming languages, and UI design.
计算机科学 理学学士Bachelor of Science in Computer Science
主修课程包括：程序设计、软件工程、数据库系统、操作系统、网络编程、形式语言与自动机、算法与数据结构、编程语言原理等。 GPA 3.79。College of Science and Engineering; GPA: 3.79. Core courses: Data Structures & Algorithms, Software Engineering, Operating Systems, Computer Networking, Programming Languages, Internet Programming, UI Design, and Theory of Computation.
高中学历High School Diploma
完成大学预科课程，参与越野跑、数学辅导及兼职工作。Completed college-preparatory curriculum in the U.S. with activities in cross-country, math tutoring, and part-time work.
博客Blog
Java 21 实战：虚拟线程让 Tomcat 停摆，我在 Task‑System 中找到那把“失踪的锁”Quantitative Trading 101: Building Your AI Trading Bot from Scratch
技能与能力Skills & Knowledge
- Java、SQL、TypeScript、JavaScript、Python、HTML/CSS、C/C++、PHP、ClojureJava, SQL, TypeScript, JavaScript, Python, HTML/CSS, C/C++, PHP, Clojure
- Spring Boot、Spring Cloud、Spring Security、Spring Data JPA、MyBatis、OpenFeign、Resilience4jSpring Boot, Spring Cloud, Spring Security, Spring Data JPA, MyBatis, OpenFeign, Resilience4j
- Astro、React、TypeScript、SSR、CSR、渐进水合、Chat Widget、Sentry、CSP、BFFAstro, React, TypeScript, SSR, CSR, selective hydration, Chat Widget, Sentry, CSP, BFF
- Flask/OpenAI 集成、AI 聊天前后端边界、Markdown 渲染、浏览器 smoke 验证Flask/OpenAI integration, AI chat UI/backend boundaries, Markdown rendering, browser smoke validation
- AWS（EKS、ECS、IAM、ALB、S3、CloudFront）、GCP、Kubernetes、Docker、Terraform、CDKAWS (EKS, ECS, IAM, ALB, S3, CloudFront), GCP, Kubernetes, Docker, Terraform, CDK
- 微服务、REST、gRPC、API 设计、Auth/OAuth2/OIDC、幂等、限流Microservices, REST, gRPC, API design, Auth/OAuth2/OIDC, idempotency, rate limiting
- MySQL、Aurora、MongoDB、Redis、DynamoDB、ElasticSearchMySQL, Aurora, MongoDB, Redis, DynamoDB, ElasticSearch
- Kafka、RabbitMQ、SQS，结合去重、重试、死信队列等模式Kafka, RabbitMQ, SQS, DLQ, retry and dedupe patterns
- GitHub Actions、Argo CD、Jenkins、GitLab CI/CD、Maven、Git、Linux ShellGitHub Actions, Argo CD, Jenkins, GitLab CI/CD, Maven, Git, Linux Shell
- OpenTelemetry、Prometheus、Grafana、SLO、蓝绿发布与金丝雀发布OpenTelemetry, Prometheus, Grafana, SLOs, blue-green and canary releases
- JMeter、JUnit、Mockito、Postman、Swagger、SpringDocJMeter, JUnit, Mockito, Postman, Swagger, SpringDoc
- 团队协作、领导力、问题解决、适应变化Team collaboration, leadership, problem solving, adaptability
- 中文（普通话/粤语）、英语（专业工作水平）English (Full professional), Chinese (Native: Mandarin & Cantonese)
经历Experience
工作证明主线：从 Android 产品交付和自由职业 Java 后端项目，进入 Michaels.com 企业电商平台，再到凡新云原生 SaaS 交付，并在 2026 年 7 月进入金融壹账通海外寿险后端 TL 岗位。Work proof in one scan: the story moves from Android product delivery and freelance Java backend projects into Michaels.com e-commerce platforms, cloud-native SaaS delivery at Fanxin, and a July 2026 OneConnect backend TL role for overseas life insurance systems.
后端开发高级工程师 / TL（保险事业部海外寿险团队）Senior Backend Engineer / Team Lead - Overseas Life Insurance
即将加入保险事业部海外寿险团队，负责后端工程团队协作、技术方案、代码质量与保险平台交付。Incoming role with the Insurance Business Unit overseas life insurance team, leading backend engineers and delivery for insurance platform systems.
- 带领工程师团队设定目标，跟进交付反馈和发展计划。Lead engineering goals, delivery feedback, and development planning for backend team members.
- 与产品经理协作分析保险产品需求，制定技术方案和执行计划。Partner with product managers and local/global engineering teams to turn insurance product requirements into technical plans.
- 参与 Java 后端服务设计、评审和交付，维护代码审查、REST/HTTP 集成、Docker 交付与服务质量标准。Design, review, and deliver Java backend services for distributed, high-concurrency, and high-availability systems while maintaining code review, REST/HTTP integration, Docker delivery, and service quality standards.
Java 后端开发工程师（云原生方向）Java Backend Engineer - Cloud-Native
面向 B 端的 API-first SaaS，提供管理控制台、开发者门户与嵌入式组件，曾负责后端与云原生交付。API-first SaaS with merchant console, developer portal, and embeddable widgets; led Java backend and cloud-native delivery.
- 主导微服务建模与接口契约，完善鉴权、幂等与限流策略，并结合 OpenAPI 沉淀文档与 SDK。Drove microservice design and API contracts, strengthening auth, idempotency, and rate limiting with OpenAPI-driven docs and SDKs.
- 建设多环境 CI/CD、蓝绿/金丝雀、特性开关、仪表盘与 Runbook，保障版本可灰度、可回滚、可排障。Built multi-environment CI/CD with blue-green, canary, feature flags, actionable dashboards, and runbooks for safer releases and rollback.
- 在 Kubernetes 上治理弹性与探针机制，保持镜像不可变、配置即代码与最小权限原则。Ran services on Kubernetes with probe gates, HPA elasticity, immutable images, config-as-code, and least-privilege access.
- 结合关系型存储、Redis、消息队列、去重/重试/死信模式优化数据链路，并与前端协作 SSR/CSR 策略和 Sentry 事件串联。Optimized data paths with relational storage, Redis, queues, dedupe, retry, and DLQ patterns while partnering with frontend on SSR/CSR choices and Sentry event correlation.
后端开发工程师Software Development Engineer - Backend
搭建 Michaels.com 电商平台及 PLM/MakerPlace 核心服务，面向全球消费者与卖家。Built Michaels.com e-commerce platform and core PLM/MakerPlace services serving global consumers and sellers.
- 主导从 0 到 1 的 Michaels.com 平台架构，承载高并发访问与完整订单链路。Architected and launched the consumer-facing Michaels.com platform handling high-volume traffic and order journeys.
- 负责 GCP Kubernetes/Docker 多环境部署、CI/CD 自动化、发布准备、日志、配置、数据预热与数据库迁移。Led GCP Kubernetes/Docker deployments, CI/CD automation, release preparation, logging, configuration, data warm-ups, and database migrations across environments.
- 在团队从约 15 人扩张至 300+ 过程中推进 Scrum 节奏与治理，并协调前端、QA、DevOps 持续交付。Established Scrum rituals and governance as the team scaled from ~15 to 300 engineers while coordinating frontend, QA, and DevOps delivery.
- 牵头 PLM 与 MakerPlace 后端模块，覆盖入驻、库存、订单、用户、供应商整合、报表与安全 REST API。Directed PLM and MakerPlace backend modules across onboarding, inventory, orders, users, supplier integrations, reporting, and secure REST APIs.
- 使用 JMeter 压测 API，定位瓶颈并优化 MongoDB 索引与负载，吞吐提升约 30%。Conducted API load testing with JMeter, pinpointing bottlenecks and tuning MongoDB indexes and payloads for ~30% throughput gains.
- 构建后端行为埋点支撑转化漏斗分析，并通过 PLM 生命周期优化将缺货率下降 15%。Implemented backend behavior tracking for funnel analysis and PLM lifecycle improvements that reduced stockouts by 15%.
Java 后端开发Backend Developer
自由职业 Java 后端项目，重点处理高并发课程访问、异步流程、缓存和内容检索。Freelance Java backend work focused on high-concurrency course access, asynchronous workflows, caching, and search.
- 使用 Spring Boot/Spring Cloud 拆分服务，引入 RabbitMQ/Kafka、Redis、Docker 与 ElasticSearch，支持课程访问、异步处理、缓存和检索。Split services with Spring Boot and Spring Cloud, introduced RabbitMQ/Kafka messaging and Redis caching, and used Docker plus ElasticSearch for isolated delivery and content search.
Java 后端开发Backend Developer
自由职业电商后端项目，覆盖 Spring Cloud 服务、商品建模、数据存储、缓存策略和云短信集成。Freelance e-commerce backend project covering Spring Cloud services, product modeling, data stores, cache strategy, and cloud SMS integration.
- 基于 Spring Cloud、MySQL、MongoDB、Redis 构建电商系统，完成 SPU/SKU 建模、阿里云短信集成，并优化并发、数据库结构与缓存。Built Spring Cloud microservices with MySQL, MongoDB, and Redis; designed SKU/SPU models; integrated Alibaba Cloud SMS; and improved concurrency, database structure, and caching.
软件工程师 - Android 应用Software Engineer - Android Application
早期产品工程经历，连接 Android 应用交付、账号安全、数据埋点、QA 自动化与跨团队发布协作。Early product engineering role connecting Android application delivery, account security, analytics instrumentation, QA automation, and cross-functional release work.
- 负责盖乐世社区与盖乐世空间合并期间的反馈模块研发与上线。Delivered feedback modules and guided the merger of Galaxy Community and Samsung Space applications.
- 实现三星账号 OAuth2 登录与 JWT 安全策略，并接入百度统计、Adobe Analytics 与后端事件日志。Implemented Samsung account OAuth2 login with JWT security and instrumented Baidu/Adobe analytics aligned with backend event logging.
- 处理 Android 兼容性、验证与市场反馈、UI 自动化、专利研讨、认证测试和敏捷协作。Handled Android compatibility, verification and market issue fixes, UI automation, patent discussions, certification testing, and agile coordination.