Software Engineer, iOS - Mercoin
Mercari, inc., Japan

JD in Japanese follows. JD

Circulate your value, anywhere and everywhere

We believe that every one of us holds untapped potential and that everything has value regardless of its form. At Mercoin, we are creating products that help people unleash their potential, empowering them to create and circulate value. Beyond goods. Beyond money. We envision a world where anyone can easily exchange cryptoassets, digital assets, and any other forms of value, utilizing cutting-edge technologies to break the boundaries of what is possible.

To achieve our mission at Mercari, our organization and each of our employees share the same values and perspectives. Our individual guidelines for action are defined by our three values: Go Bold, All for One, and Be a Pro. Our organization is also shaped by our four foundations: Sustainability, Diversity amp; Inclusion, Trust amp; Openness, and Well-being for Performance. Regardless of how big Mercari gets, the culture will remain essential to achieving our mission and something we want to preserve throughout our organization.

We invite you to read the Mercari Culture Doc, which summarizes the behaviors and mindset shared by Mercari and its employees. We continue to build an environment where all of our members of diverse backgrounds are accepted and recognized, and where they can thrive while holding dear Mercari’s culture.

• On April 28, 2021, Mercari Group established Mercoin, Inc. Mercoin is a new company developing services related to cryptoassets and blockchain technologies. By taking on the cryptoasset business, we will make it even easier for users to utilize financial services within the Mercari marketplace app, such as by allowing users to receive payment for Mercari sales in bitcoin and providing a single wallet function that incorporates not only Merpay’s payment and remittance services, but credit, cryptoassets, and asset management features as well.
• Mercari has also started work on blockchain technologies, which present new opportunities for individuals to exchange value. The company wants to redefine what it means to buy and sell, enabling anyone and everyone to easily exchange value in all its formsnot only as belongings and money, but services and digital content like non-fungible tokens (NFTs).

• Currently at Merpay/Mercoin, we are looking to hire iOS engineers who can handle everything from planning to development of the new payment/financial services. Merpay/Mercoin has multiple projects moving in different vectors simultaneously, and the teams of 10 or so members which comprise each project have between 1 to 3 iOS engineers on board. Integration with the Mercari app requires our engineers to communicate with the Mercari development teams and study the tech used by the Mercari app, calling for a high level of professional skill from our engineers.

• In terms of technologies, our development uses architecture based on MVVM for UIKit, and Redux inspired architecture for SwiftUI.We work on implementation of unit tests and UI tests, while also working to constantly test these with CI and improve coverage. While naturally the team is involved with developing features for projects, our company culture encourages engineers to proactively improve development processes, automate processes using CI, and other tasks. We believe that this culture allows our software engineers to improve their abilities not only in iOS, but in many other domains as well.
• Specific work responsibilities include:
  • Launch new products for Mercoin
  • Design/develop new Merpay features and improve existing features
  • Work on development as a team, collaborating with product managers, designers, backend engineers, and QA/testing engineers
  • Improve code quality and upgrade the development environment through automation
  • Review team members’ code

• Technical Environment
  
  • SwiftUI/Combine/UIKit
  • Protocol Buffers
  • Bazel
  • CircleCI / GitHub Actions

• Aside from that, we also encourage and look very favorably on external output. This includes:
  • Speaking at conferences both in Japan and abroad, such as AltConf, iOSCon, try! Swift, and iOSDC.
  • Writing for the Mercari Engineering Blog
  • Contributing to open source software (OSS)

• Bring Japan’s leading smartphone payment app to the masses quickly and without sacrificing quality. This will require polished development skills, knowledge of general security measures for finance/payment services, and knowledge of mobile application-exclusive security.
• Manage members from diverse backgrounds, with different languages, genders, and nationalities.

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