資深軟體工程師 / Senior Software Engineer

1. 核心系統維護與開發 / Core System Development

• 開發並維護企業級金流與支付系統，涵蓋交易處理、錢包管理、風險控制、對外 API 與 Webhook

等核心能力。
Develop and maintain enterprise cash flow and payment systems, covering core capabilities such as
transaction processing, wallet management, risk control, external APIs, and Webhooks.
2. 支付與區塊鏈整合 / Payment & Blockchain Integration

• 參與多元支付管道與 Blockchain 整合，處理外部服務的非同步串接，以及鏈上交易建構、簽章、

廣播與確認追蹤。
Integrate diverse payment channels and Blockchain, handling asynchronous integrations, as well as
on-chain transaction construction, signing, broadcasting, and confirmation tracking.
3. 系統設計與架構演進 / Architecture & System Design

• 運用資料建模與適當的設計模式，實作並演進可維護、可驗證的系統功能。

參與微服務架構演進，依據服務邊界設計 REST、RPC 與 Event flow，處理資料一致性，以及非同步
與分散式系統的可靠性問題。
Apply data modeling and suitable design patterns to implement and evolve maintainable and
testable system features.
Participate in microservices architecture evolution, design REST, RPC, and Event flows based on
service boundaries, and resolve data consistency and distributed system reliability challenges.
4. 分析、測試與問題排查 / Analysis, Testing & Troubleshooting

• 依據需求規格進行系統分析與設計，並參與測試、code review 及 production 問題排查。

Perform system analysis and design based on requirements, and participate in testing, code reviews,
and production troubleshooting.
5. 跨領域 / 前端支援 / Full-Stack Development Support

• 在資深前端工程師協助下，理解既有 React 架構、修改頁面並完成 API 串接，逐步具備跨前後端交

付完整功能的能力。
Understand existing React architecture, update UI components, and complete API integrations with
assistance from senior frontend engineers to build full-stack delivery capability.

必備條件 / Qualifications & Requirements

• 三年以上多人協作團隊的後端開發經驗，具 production system 的實務經驗。

3+ years of backend development experience in collaborative team environments, with hands-on
production system experience.

• 熟悉 Node.js、TypeScript，並具 NestJS 或相近後端框架的實務經驗。

Proficient in Node.js, TypeScript, and experienced with NestJS or similar backend frameworks.

• 熟悉 PostgreSQL 或其他 relational database，以及 SQL、ORM、資料庫交易與鎖、資料一致性與

效能調校。
Proficient in PostgreSQL or other relational databases, including SQL, ORMs, DB transactions/locks,
data consistency, and performance tuning.

• 具非同步任務、message queue 或 event-driven system 的開發經驗，理解 distributed locking、

message delivery guarantees 與 failure recovery。
Experience with asynchronous tasks, message queues, or event-driven systems; strong
understanding of distributed locking, delivery guarantees, and failure recovery.

• 能依據需求、既有規格與系統現況進行分析與設計，辨識邊界條件與風險，提出可落地的技術方案

。
Ability to analyze/design based on specs and current architecture, identify edge cases and risks, and
propose practical technical solutions.

• 能為功能撰寫必要的 unit/integration tests，重視錯誤處理、敏感資料保護與 production 問題追查

。
Capable of writing essential unit/integration tests; strong emphasis on error handling, sensitive data
protection, and production issue debugging.

• 曾使用 React、Vue、Angular 或其他現代前端框架參與開發與 API 串接，願意逐步承擔跨前後端功

能開發。
Prior experience with React, Vue, Angular, or modern frontend frameworks and API integration, with
willingness to adopt full-stack development.