4. 后端开发与数据库管理 | Back-End Development & Database Management

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CipherWarden 提供业界领先的后端与数据库解决方案。我们设计并构建高性能、高可用、易扩展的服务端应用与数据架构，保障数据安全存储、毫秒级检索与高效管理。无论初创或成熟企业，都能获得完全定制化的后端服务。  

CipherWarden delivers state-of-the-art back-end and database solutions. We engineer high-performance, highly-available and scalable server-side applications and data architectures that guarantee secure storage, millisecond-level retrieval and efficient management. Start-ups and enterprises alike receive fully customized back-end services.  

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4.1 服务范围 | Scope of Services  

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a. 服务器端应用设计与开发 | Server-Side Application Design & Development

采用微服务、容器化、事件驱动等架构，支持百万级并发，零停机弹性扩容。

Micro-services, containerization, event-driven architectures supporting million-level concurrency and zero-downtime scaling.  

b. 数据库设计与管理 | Database Design & Management

关系型：MySQL、PostgreSQL；非关系型：MongoDB、Redis、ClickHouse。提供建模、分库分表、读写分离、性能调优、自动化运维。

Relational: MySQL, PostgreSQL; NoSQL: MongoDB, Redis, ClickHouse. Modeling, sharding, read-write split, tuning, auto-ops.  

c. RESTful API 开发 | RESTful API Development

标准化资源接口，OAuth2/JWT 安全认证，Swagger 文档，Rate-Limit，版本控制，保障前后端高效协作。

Standard resource endpoints, OAuth2/JWT, Swagger docs, rate-limit, versioning for seamless front/back-end collaboration.  

d. GraphQL API 开发 | GraphQL API Development

单端点灵活查询，聚合多源数据，减少网络开销，实时订阅支持，提升响应速度。

Single-endpoint flexible queries, aggregate multi-source data, cut network overhead, real-time subscriptions.  

e. 数据存储与检索优化 | Data Storage & Retrieval Optimization

索引重构、查询计划调优、列式存储、冷热分层、Redis 缓存、CDN 边缘缓存，毫秒级响应。

Index refactoring, query-plan tuning, columnar storage, hot/cold tiering, Redis cache, CDN edge, millisecond response.  

f. 数据安全与备份 | Data Security & Backup

传输加密（TLS 1.3）、静态加密（AES-256）、RBAC、审计日志、多地容灾备份、Point-in-Time Recovery，满足合规要求。

TLS 1.3 in transit, AES-256 at rest, RBAC, audit logs, multi-region disaster backup, PITR, compliance-ready.  

g. 系统监控与维护 | System Monitoring & Maintenance

7×24 指标采集（Prometheus）、可视化面板（Grafana）、自动告警（AlertManager）、蓝绿部署、滚动升级，持续优化 SLA。

24×7 Prometheus metrics, Grafana dashboards, AlertManager notifications, blue-green & rolling upgrades, SLA-driven optimization.  

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4.2 为什么选择 CipherWarden | Why CipherWarden  

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a. 专业团队 | Elite Team

核心成员来自一线大厂，平均 8+ 年后端与数据库经验，曾支撑过亿级日活。

Core team from top-tier tech giants, 8+ years avg. experience, proven under 100M+ DAU.  

b. 深度定制 | Deep Customization

从业务建模到技术选型，完全按需定制，拒绝“一刀切”架构。

Business-driven modeling and tech selection—no one-size-fits-all architectures.  

c. 全生命周期 | Full Lifecycle

需求 → 架构 → 开发 → 压测 → 上线 → 运维 → 性能调优，一站式交付，省心无忧。

Requirements → Architecture → Dev → Stress Test → Launch → Ops → Tuning, one-stop worry-free delivery.  

d. 客户成功 | Customer Success

专属客户成功经理，Slack/飞书实时群，1 小时内响应，持续迭代，系统随业务增长平滑演进。

Dedicated CSM, real-time Slack/Feishu group, <1h response, continuous iteration, systems evolve smoothly with your growth.

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