From the outset, we’ve built Admina with an unwavering dedication to security. As a SaaS management platform, our goal is to assist businesses in optimizing software application usage while maintaining the highest security and compliance standards. …

Hi, I’m Son (ソン), CTO @ Money Forward i. 2022 is a special year for us because it’s the first year since we officially launched our product. Our team members from 8 countries finally came to Japan and we had traction and recognition in the domestic market. Moreover, we made…

“Software engineering is programming integrated over time” — That’s an interesting statement from Software Engineering at Google which I agree with. When you are sitting alone, writing the code for your side project as a habit, it's programming. All thoughts are encapsulated in your mind. …

Introduction Partitioning (also known as sharding) is a technique to break a very large dataset into many partitions (shards) to achieve horizontal scaling. In our product, Saas Management Platform, we aggregate various data such as account information, billing from 100+ Saas/Cloud applications. The amount of data could exponentially increase when the…

Introduction Hi, I’m Son (ソン), software engineer @ Money Forward i It has been nearly one year since the day, I created the Github repositories for our product — Saas Management Platform. Our engineering team has grown from 0 → 13 members (including freelancers) and the open beta version has just…

Hi, I’m Son (ソン), a software engineer @ Money Forward. In my note for Money Forward Advent Calendar 2020, I want to look back at what I have done in 2020. 1. Microservice Team 2. Building engineering visualization tool 3. Establish a new service 4. 2020 1. Microservice Team To continue the journey…

The year of new experiences. Hi, I’m Son (ソン) software engineer @ MoneyForward. It’s been one year since I moved to Tokyo, the capital of Japan. Tokyo is a beautiful city that has everything I need: bookstores are everywhere, coffee shops are in every corner of the street, convenient public…

Generating Mnemonic Words Create a random sequence (entropy) of 128 to 256 bits. Create a checksum of the random sequence by taking the first (entropy-length/32) bits of its SHA256 hash. Add the checksum to the end of the random sequence. Split the result into 11-bit length segments. Map each 11-bit value to a…

As we all know, Rails 5 is a great framework for API application, just with rails new name_app --api and Rails will setup everything for us but what is the easiest way to implement authentication in Ruby On Rails? Table of Content Setup project Sign Up Sign In Ok let’s start! Setup our project First, create…