Senior Java Backend Developer

Job updated alrededor de 2 meses ago

Descripción del trabajo

We are building and expanding a Backend team!

Want to develop the best crypto products ever, right here in Taiwan, and offer them to millions of users worldwide?

Want to be based in Taiwan but work in a silicon-valley-like environment, and release world-class products?

Want to work with some of the world's best front end and full-stack developers?

Come change the world with us! Join this fast-growing startup founded by software veterans and funded by top VCs, banks, public companies, and the Taiwanese government (NDF)!

We’re hiring for very experienced back-end developers who have an eye for performance, utility and practicality rather than regurgitating programming patterns from textbooks. Ideally, you will have experiences in both a) Java and in b) AWS current tech such as Lambda & Serverless programming, programmed infrastructure, and DevOps as a philosophy.

Other than Java, the exact mix of other skills does not matter, so long as your tool chest includes a mix of abilities. Be willing to attack anything that comes your way, learn on the fly and get things done. Come talk to us if you love engineering and want to push your skill set in a dynamic fast-paced environment.


  • Develop and build robust, scalable, clean and understandable server code.
  • Design and implement RESTful APIs that is simple, intuitive, easy to test and fit to
    business requirements.
  • Troubleshoot, debug and optimize server code.
  • Design and maintain well-structured, scalable and efficient database schemas.
  • Write API documentation for API users, server documentation for Ops users.
  • Participate and collaborate with functional teams.
  • Take ownership and responsibility for our backend development activities.
  • Report to Backend Team Leader.


  • 6+ years experience in backend code developing role.
  • Strong Java, Spring / Spring Boot development experience.
  • Strong technical development experience on effectively writing code, best practices code refactoring and GoF Design Patterns.
  • Proven problem solving and analytical skills.
  • Excellent knowledge of RDBMS such as MySQL.
  • Knowledge of RESTful APIs is a must.
  • Knowledge of NoSQL such as Redis, MongoDB, DynamoDB.
  • Experience using Git / Git Flow to manage asynchronous collaboration across teams.
  • Experience in Agile development lifecycle methodology.
  • Moderate English.

Good to have:

    • Experience in AWS cloud computing services.
    • Experience in Python, Go and micro-services development.
    • Experience with API documentation tools such as Swagger.
    • Knowledge with database versioning tools such as Flyway, LiquiBase.
    • Knowledge with CI/CD deployment flow.
    • Experience in building large, scalable distributed systems with good understanding of
      microservices architecture and associated principles.
    • Knowledge of managing data consistency in distributed systems.
    • Experience working with asynchronous systems.

    Location: Taipei (check us out on Google Maps!)

    About XREX

    Regarding our culture

    -We will proceed your application first if you apply online

    1,000,000 ~ 2,500,000 TWD / año
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    Sobre nosotros

    * XREX is a fast-growing organization, on a mission to make our world a better place
    * You'll be working with top talents from around the world
    * You'll gain experience in building an international brand, product, and user community
    * You'll receive generous stock options
    * You'll gain experience in a blockchain- and crypto-related products, technologies, and markets
    * You'll be working in a cutting-edge tech startup using the very latest tech, tools, methodologies, and processes

    Please review our culture before applying.

    Contact HR: [email protected]

    Redefine banking together

    XREX is a blockchain-enabled financial institution working with banks, regulators, and users to redefine banking together. We provide enterprise-grade banking services to small to medium-sized businesses (SMBs) in or dealing with emerging markets, and novice-friendly financial services to individuals worldwide.

    Founded in 2018 and operating globally under multiple licenses, XREX offers a full suite of services such as digital asset custody, wallet, cross-border payment, fiat-crypto conversion, cryptocurrency exchange, asset management, and fiat currency on-off ramps.

    Sharing the social responsibility of financial inclusion, XREX leverages blockchain technologies to further financial participation, access, and education.


    XREX 是一家應區塊鏈技術而生的國際金融機構,與銀行、政府及用戶密切合作,共同改寫金融定義。我們提供企業級的服務,幫助位處發展中國家或與發展中國家有生意往來的中小型企業處理跨境金融服務,同時也為全球加密貨幣新手提供最友善的初始入口。

    創立於 2018 年並已取得多國執照在全球營運,XREX 提供一站式的服務,包括:數位資產託管、錢包、跨境支付、法幣與加密貨幣轉換、加密貨幣交易所、多元化資產投資、法幣出入金服務等等。

    XREX 將普惠金融視為社會責任並希望為此盡一份心力,持續運用區塊鏈技術推進金融參與權、金融使用權與金融教育權。

    Follow XREX on Discord, Telegram, Twitter, Facebook, and LinkedIn.

    XREX is backed by public companies, banks, prominent VCs, and the Taiwanese Government:
    * Taiwan Government National Development Fund
    * CDIB Capital Group (TWSE: 2883)
    * E.Sun Financial Holding (TWSE:2884)
    * ThreeD Capital (CSE:IDK)
    * Systex (TWSE:6214)
    * Rocket Internet (NYSE:RKTA)
    * Global Founders Capital (Berlin)
    * Seraph Group (US)
    * Metaplanet Holdings (Estonia)
    * AppWorks (Taipei)
    * WI Harper (San Francisco)
    * BlackMarble (Taipei)
    * New Economy Ventures (Taipei, Tokyo)


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