Senior AWS-Oriented Full Stack Developer

2020-07-24Tech » DevOps
XREX Inc. work environment photoXREX Inc. work environment photoXREX Inc. work environment photoXREX Inc. work environment photo

Job Description

Want to develop the best crypto products ever, right here from Taiwan, and offer 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, Skype co-founders, and the Taiwanese government (NDF)!

We’re hiring for very experienced full stack developers who have an eye for performance, utility and practicality rather than regurgitating programming patterns from textbooks. Ideally you will have experience in multiple fronts such as a) Java / Golang, b) Angular / React, and c) non-Java (such as other languages, AI, front end programming, frameworks, etc).

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.

Working with other senior backend developers to quickly produce a high-performing, secure, scalable, and fail-safe micro-architecture service set that can reliably process very high transaction volumes at 99.999 availability. Being able to work in a small team in a startup environment will be a plus.

Location: Taipei

About XREX
Our culture



  • 6+ years experience with Java/J2EE or Golang
  • 3+ years of experience with Angular or React
  • Complex Java or Golang coding
  • AWS
  • Microservices and message queue based distributed architectures
  • Multi-threading and messaging
  • REST web services; ideally also having some experiences with microservices
  • Relational/nonrelational database systems such as MySQL, Postgres, Hadoop, Cassandra, or MongoDB
  • Unix, shell scripting, Apache, Tomcat, XML, HTTP and TCP/IP networks
  • Source control systems such as GitHub / Perforce / CVS / Subversion
  • Performance measurement and analysis
  • Moderate to good English

【Good to have】

  • CI/CD (Jenkins) deploying to Docker and to AWS
  • Serverless programming
  • Additional languages such as C++
  • Git
  • Working with service consumers such as front end programmers
  • Programming and configuring against hacking and remote compromise

Personal Invitation Link

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About us

Our culture:

* XREX is a fast-growing organization, on a mission to make our world a better place
* You will gain experience in building an international brand, product, and user base
* Stock options
* You will gain experience in blockchain and crypto-related products, technologies, and markets
* You will be working in a cutting-edge product development and growth acquisition environment using the very latest tools, methodologies, and processes

About XREX:

XREX helps blockchain-focused organizations save time and money with product development, production maintenance, security, scalability, and compliance efforts.

XREX Crypto Services (XCS) is a compliant, secure, scalable stack of PaaS and SaaS offerings for organizations that build and run crypto markets (spots, futures, options), market-making, banking, custodial services, wallets, clearance and settlement proxies, payment gateways, value transmission services, and/or decentralized apps.

XCS stacks are offered entirely through cloud-based APIs and billed by usage. After registration, developers can immediately initiate module instances and use APIs; there are no face-to-face meetings, contract negotiations, setup fees, or monthly minimums.

XCS allows organizations to focus on building core business functions--not waste time and money in developing, maintaining, scaling, and securing the underlying stacks.

Many XCS services are implemented using XBLOCK, a blockchain designed for high volume, low latency clearance and settlement across financial institutions.

XREX also operates a standalone market -- the XREX Exchange -- which provides professional access to spot, futures and options trading.

XREX investors include prominent VCs such as:
* WI Harper (San Francisco,中經合創投)
* AppWorks (Taipei,之初創投)
* BlackMarble (Taipei,萬豐資本)
* NDF (Taiwan Government,國發基金)
* CDIB (Taipei,中華開發)

as well as super angels such as:
* Skype co-founders Toivo Annus and Jaan Tallinn
* ex Alibaba Board and Taobao Board Andrew Tsuei
* TUL (TWSE: 6150) Chairman and CEO Ted Chen
* Phison (TWSE: 8299) Chairman and CEO KS Pan.


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