Libertypool

Thank you for your interest.
We are looking for a senior Ruby on Rails developer who builds our product, Libertypool, together.

About us

We aim to empower investors around the world to achieve financial independence through asset accumulation, especially by cryptocurrency investment.

The most important factor for decision making of investment is "insight" based on reliable information and experiences.

However, many investors put their money into financial assets without enough investigations and analysis because of their busyness and lacking educations.

That is why we are creating this project, Libertypool.

Product Website: https://libertypool.com/
Corporate Website: https://about.libertypool.com/
Our Blog: https://medium.com/libertypool

Our product

Libertypool is where crypto investors help each other. Through our software products, they can connect with each other and share real investment data such as portfolio and historical performance to better profits efficiently.

The 1st product of Libertypool is an iOS application. Every user of Libertypool manages their investment portfolio with this app, and their investment data will be aggregated anonymously and organized to give the members trusted insights of cryptocurrency investment. Some data are retrieved from Blockchain networks such as Bitcoin, Ethereum.

App Store page: https://itunes.apple.com/us/app/libertypool-crypto-community/id1438006086?mt=8

Remote workers friendly

Almost all of the members are working remotely. We are a borderless team like the crypto economy. However, that means every member needs to manage themselves under their professionalism. If you live in Singapore, you would be able to choose to work in the head office.

Our head office: Neutrino by OmiseGo​

Job Description

Mainly, you will work with 1 back-end developers (RoR), 2 iOS developers, 1 QA manager, and 1 release manager. We have built and released the MVP in Feb 2019. However, we need more developers to accelerate improving the product for better UXs of early adopters.

Especially, supporting a reasonable number of crypto exchanges and wallets to track investors' portfolio automatically is one of the most important features. We expect you to work on this initially.

You will need to read the 3rd party's API specification and implement the code to be compatible with the existing API endpoints for the iOS app.

You are expected to build integrations for cryptocurrency wallets too.
(e.g. Ethereum Wallet for ERC-20 tokens, HD Bitcoin wallet)

 Responsibilities

• Design, build and maintain efficient, reusable, and reliable Ruby code
• Ensure the best possible performance, quality, and responsiveness of the applications
• Integration of crypto exchanges and wallets to fetch user's asset balances and historical transactions continuously
• Integration of data storage solutions (e.g. PostgreSQL, Firestore)
• Integration of user-facing elements developed by front-end developers with server-side logic
• Identify bottlenecks and bugs, and devise solutions to these problems
• Follow the team's development rules to cooperate efficiently with the other members

Requirements

• Being able to work as a full-time employee without any other side-job
• Being able to comply with our professional principles
• Experience of having traded cryptocurrency at crypto exchanges
• Experience with Ruby on Rails, along with other common libraries such as RSpec and Sidekiq
• Good understanding of the syntax of Ruby and its nuances
• Solid understanding of object-oriented programming
• Good understanding of server-side API framework such as Grape
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated unit test code
• Familiarity with the following services and technologies 
  • GitHub, Heroku, PostgreSQL
• Having an iPhone or a MacBook to run Libertypool app

Nice to have

• Experience of Heroku, Java, React (or other SPAs framework)

Annual Salary Range

• $42k - $48k

Stock Option

• 0.1% - 1%

The same opportunity will never come again!

Please answer below questions in your cover letter for a faster response.

1. Why are you applying for this position as distinct from other job posts?
2. Why do you think you are the best fit for this position?
3. What would you like to achieve for yourself through this job?

Please note we would reply for applications without those answers.
We are looking forward to having a call with you!