Fullstack Web Developer

Tokyo
No Remote
Full-time
November 30, 2022

At pafin (formerly known as Cryptact) we are building an innovative platform where patients can share their medical images (such as MRI, CT and X-ray) with clients in the AI sector via blockchain technology. The aim is to help our AI clients increase the speed and accuracy of detecting illnesses by providing them with comprehensive datasets.

We are looking for an engineer that can help build and launch the solution. The candidate will closely work with stakeholders and will be part of developing this new business, not only from system implementation but also the business processes alongside other team members.

We are working in collaboration with the University of Tokyo Hospital and SoftBank (See Press Release )

As an engineer in the team, they will be actively engaged in discussions with stakeholders about the business model and requirements, system architecture and design, implementation strategies and so on. A prototype of the solution was extremely well received by stakeholders and we are in the early stages of creating a production-ready version of that, so this a chance to get involved at the beginning and help to shape the direction of the solution.

Qualifications

3+ years of professional full-stack web development experience using JavaScript and/or TypeScript, HTML and CSS, and React
Good analytical and problem solving abilities
Excellent communication skills and capable of working with both technical and non-technical people
Having an intellectual maturity and capability to cope with changing requirements as is often observed in a start-up environment
Business level English (reading, writing and speaking)

Preferred Qualifications

Backend experience e.g. Python
Databases e.g. PostgreSQL
Cloud environments e.g. AWS
Experience with blockchain technology and smart contracts
Experience in the medical imaging sector
Knowledge of security and cryptography
Good understanding of data privacy and protection laws in Japan and other regions of the world
Experience with machine learning
Japanese proficiency

Compensation

Annual salary of ¥6m to ¥8m with stock options available

APPLY NOW ➜🇯🇵 Residents Only

About クリプタクト

Cryptact (クリプタクト)は、個人投資（株・為替・その他金融商品だけでなく仮想通貨まですべて）をワンストップで管理できるプラットフォームを提供する、2018年に設立されたFintechのスタートアップです。

2017年12月から、仮想通貨の損益計算ができる日本最大級のサービス「tax@cryptact」を開発・運営しています。海外における損益計算手法や会計通貨など、きめ細かな設定も利用可能です。

現在は、投資アイデア・情報を世界中の個人でシェアできる投資SNS「Ideabook」の開発に注力しています。

社内公用語は日本語と英語ですが、開発チームのメイン言語は英語です。多くの日本企業と連携しているため、日本語能力があれば活かすことができます。

個人の語学レベルに合わせて、日本語レッスンもしくは英語レッスンを就業時間内に無料で受講することができるなど、語学サポートも万全です。語学力を磨きながら、国際的なチームで広い視野をもって働きたい方には、素晴らしい環境です！

Japanese Language Policy
Japanese isn’t required in the development team; however, because our main customer base is Japanese and we work with many Japanese partner companies, there will be a case where the Japanese capability would help.
Visa Sponsorship
Pafin supports visa sponsorship for candidates living outside of Japan.
Paid Leave
Days Off: Saturdays and Sundays. National holidays. Year end holidays.

Holidays: Annual paid leave, congratulatory or condolence leave, maternity leave, sick/injured leave, family care leave.

※ Sick leave during the first 6 months of employment, paid vacations in advance (10 days after 6 months, 15 days after 1.5 years)
Benefits
💻 The latest equipment - (an OS of your choice, PC, monitor, mouse, etc) within a certain budget

💹 Stock options can also be available

🇯🇵 Free Japanese lessons on company time

💧 Free water

🚃 Full transportation coverage

🏥 Health insurance

💜 Social security/insurance benefits included
Engineer Interview Process
Document screening

We'll contact you via email if we feel your profile is a good match for the position

Interview

Given the current public health situation, the first few interviews will be done remotely.

1 ) First interview (to check what is written on resume, basic cultural fit, online)

2) Tech assignment (if deemed necessary)

3) Second interview (tech in depth)

4) Final discussion (with directors)
Work style
- Full flex time with core time from 10:00 to 16:00 except Wednesday. You can take Wednesday offs as long as our minimum working hour requirement is met.
- Basically we work in the office, however, remote work is also available for a few days per month under a certain condition.
- The office is 3 minutes walk from Kojimachi station, Chiyoda-ku, Tokyo Japan
Parents and Family
It’s an understanding environment when it comes to raising children, since many of their members (including executives) have families.
Team Culture
- pafin (formerly Cryptact) is a group of professionals in finance and IT. Currently, they have 10 members in their development team, where they exchange opinions in a flat manner. Although the management team comes from the financial industry, the atmosphere is not strict, so newcomers are able to get used to the company quickly.
- Several of their core members have experience in hedge fund management and development of various financial systems at Goldman Sachs. By providing simple and easy-to-use tools, they will make virtual currency, blockchain, and smart contracts more accessible and able to enrich our lives. They believe this will help to bring about a more virtuous cycle in Japan. pafin hopes to contribute to the realization of such a society, even if only in a small way.