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Updated 2025-04-23
Activated 2025-04-23

iOS Engineer
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This posting is managed by: bloomtech.inc
Company Name Company is not publicly visible
Job Type
bloomtech.inc
IT (PC, Web, Unix) - Mobile Application Engineer
Industry Telecommunications/Information Services
Location Asia Japan Tokyo Shibuya

Job Description ■Main responsibilities
・Design, development, and review of native iOS applications
In addition to implementing and designing product code based on Swift, you will promote the improvement of code quality and knowledge sharing through technical reviews. In addition to improving existing functions, you will also actively verify new technologies and architectures, and lead the creation of mechanisms with an eye toward future scalability.

・Improvement of UI/UX
We aim to optimize design and user flow and create a UI/UX that minimizes anxiety and complexity in cryptocurrency trading. Based on user feedback and data analysis, we will continuously add features and refactor to improve usability and understandability.

・Improvement of security, app quality, and development of other new functions, etc.
We will work on test automation and the development of a CI/CD environment to maintain a stable release cycle while meeting the high security requirements of financial services. In addition to improving the quality of the app, you will also be involved in the development of new functions and services that utilize blockchain technology to expand value for users.

・Project progress in collaboration with other departments and teams

While sharing information with various professions such as legal affairs, risk management, customer support, and marketing, we will define requirements and adjust priorities for app development. In order to accelerate the growth of the product, we will actively communicate and achieve smooth collaboration with stakeholders.

・Participate in various scrum events held within the team

You will be a member of the development cycle that incorporates scrum methodologies, such as sprint planning, daily scrums, and retrospectives. Through reviewing the backlog and managing issues, the entire team will maintain a highly transparent development process and deliver better services to users quickly.

■Attractiveness of the work you are in charge of

・Working in the cryptocurrency field, which is a cutting-edge financial service

You can challenge new businesses that go beyond existing frameworks, such as blockchain technology and the creation of a web3 digital economy.

・Direct impact on a service with a large number of users

Since the sales office app is used by many users, adding features and improving them directly affects the user experience, which is very rewarding.

・Improve your skills by collaborating with your team and other departments
You can grow the product with a broad perspective while working closely with departments other than development, such as legal affairs, risk management, and customer support.

・A chance to turn your ideas into reality
You can be involved in everything from proposing new features to design, development, and post-release improvements, and you can develop in an environment with a lot of discretion.

・A culture of continuous learning
There is a culture of sharing knowledge within the team, so you can enjoy development while constantly brushing up the product, such as by introducing animations and new technologies.
Company Info Since launching its cryptocurrency trading service "Coincheck" in August 2014, Coincheck has provided new financial services that go beyond the framework of existing finance, such as the first IEO in Japan and NFT business, under the mission of "Bringing new value exchange closer to you". Currently, we are also challenging ourselves to create a digital economic sphere in web3 based on blockchain.

Services | Coincheck Co., Ltd. (https://corporate.coincheck.com/service)

However, with the current framework and technology, services based on blockchain technology require extremely high security and performance. These business understanding and risk control are a world where engineers and business people who are familiar with cutting-edge technology can maximize performance.

web3 is the hottest world on the Internet right now. We would like to share with you the moments when various structures change and change. We are looking forward to receiving applications from those who want to create the best experiences with the best members and those who want to see the moment the world changes together.
Working Hours Flextime system
Job
Requirements		 [Required requirements]
Team development experience
Pull request-based development experience using GitHub/GitLab, etc.
Development experience using reactive programming
More than 2 years of iOS app development in Swift
Development experience using architectures such as MVP/MVVM/VIPER/Clean Architecture

[Preferred requirements]
Experience in unit testing using XCTest, etc.
Experience in UI testing using XCUITest, etc.
Development experience for both iOS and Android apps
Server-side development experience
Team lead experience
Knowledge of performance and security
Development and operation experience for native applications with large numbers of users
Experience with CI/CD automation using Bitrise, etc.
Understanding domain-driven design
UI development experience utilizing animation functions
Japanese Level Business Level(JLPT Level 2 or N2)
Salary JPY - Japanese Yen JPY 6000K - JPY 10000K   
Other Salary
Description		 Social Insurance
Holidays Five-Day Workweek
Winter Holidays
Paid Holidays
Child-care Leave
Job Contract
Period		 Full-time employment
Nearest Station Ebisu, Shibuya-ku, Tokyo
*Hybrid work
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