Senior Backend Engineer

2 Months ago • 5 Years + • Backend Development

Job Summary

Job Description

We are seeking a Senior Backend Engineer for a fast-growing crypto neobank based in Asia, aiming to redefine finance on-chain. The Customer Service function is critical for protecting user assets and ensuring regulatory integrity. Responsibilities include designing and developing core backend systems for high concurrency and availability, building microservices with Go or Java to support rapid iteration and scaling, participating in the architecture and integration of payment systems (collections, payments, risk control, settlement), interfacing with blockchain infrastructure and Solidity contracts, collaborating with product, frontend, blockchain, and risk control teams to advance system stability, security, and performance, and continuously optimizing system architecture, performance, and maintainability while driving technology stack evolution and standard development.
Must have:
  • Computer science degree or higher
  • 5+ years backend development experience
  • Proficiency in Go or Java
  • Experience with high-concurrency/high-availability architecture
  • Familiarity with payment systems
  • Understanding of blockchain principles and Solidity contract interaction
  • Good communication, teamwork, and responsibility
Good to have:
  • Wallet service development experience
  • Solidity contract writing/deployment experience
  • Familiarity with Account Abstraction
  • DevOps/microservices governance experience

Job Details

About the Role

We are a fast-growing crypto neobank launching out of Asia, with a mission to redefine the future of finance on-chain.Our Customer Service (CS) function goes far beyond standard support — we're the first line of defense in protecting user assets and upholding regulatory integrity. This role is critical, and mistakes can have significant consequences. We're looking for individuals who are razor-sharp with numbers, deeply responsible, and thrive in high-stakes environments.

岗位职责

  • 负责核心后端系统的设计与开发,涵盖高并发、高可用的百万级流量架构;

  • 使用 Go 或 Java 构建微服务系统,支持业务快速迭代与横向扩展;

  • 参与支付相关系统的架构设计与接入,包括收付款、风控、清结算等模块;

  • 对接区块链基础设施,理解并实现与 Solidity 合约的集成;

  • 与产品、前端、区块链及风控团队密切协作,推进系统稳定、安全、高性能演进;

  • 持续优化系统架构、性能与可维护性,推动技术栈的演进与规范建设。

任职要求

  • 计算机相关专业本科及以上学历,5 年以上后端开发经验;

  • 精通 Go 或 Java,具备良好的代码风格和工程实践;

  • 有百万级并发或高可用架构的设计和落地经验;

  • 熟悉支付系统(第三方支付、卡支付、加密支付等)业务流程及风控模型;

  • 理解区块链原理,熟悉 EVM 架构与 Solidity 合约交互;

  • 具备良好的沟通能力、团队协作意识和责任心,能独立承担复杂系统模块。

加分项

  • 有钱包服务开发经验;

  • 有实际编写与部署 Solidity 合约的经验;

  • 熟悉 账户抽象等前沿 Web3 领域;

  • 具备 DevOps/微服务治理经验(如 Kubernetes、Service Mesh、CI/CD)。

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