--- title: "Takahiro Ikeuchi (@iktakahiro) | Hashnode" description: "CTO @ Mental Health Tech Startup. Read the latest articles by Takahiro Ikeuchi on Hashnode." url: "https://hashnode.com/@iktakahiro" --- @iktakahiro # Takahiro Ikeuchi @iktakahiro · Joined February 2022 CTO @ Mental Health Tech Startup [Website](https://iktakahiro.dev/) ### [Awarefy Web Tech Stack 2025 - React, TanStack Start, shadcn, Playwright](https://hash.awarefy.dev/awarefy-web-tech-stack-2025?utm_source=hashnode&utm_medium=feed) On March 6, 2025, we had the opportunity to implement a complete rebuild of Awarefy's web application, which has now been released. https://apps.apple.com/app/id1513802951 Currently, Awarefy's core functions are provided as mobile apps for iOS/Andr... 8 min read · [hash.awarefy.dev](https://hash.awarefy.dev/awarefy-web-tech-stack-2025?utm_source=hashnode&utm_medium=feed) [Mar 25, 2025](https://hashnode.com/posts/awarefy-web-tech-stack-2025/67e24fb529356a4c442211e7) ### [Better gRPC with Connect: A Go Application Migration](https://hash.awarefy.dev/better-grpc-with-connect-a-go-application-migration?utm_source=hashnode&utm_medium=feed) Our digital cognitive behavioral therapy app Awarefy has been developing and operating its backend system using Go + gRPC / Protocol Buffers since April 2022. Due to the ongoing web app development and the need to switch to connect-go, we have migrat... 4 min read · [hash.awarefy.dev](https://hash.awarefy.dev/better-grpc-with-connect-a-go-application-migration?utm_source=hashnode&utm_medium=feed) [Apr 21, 2023](https://hashnode.com/posts/better-grpc-with-connect-a-go-application-migration/6441fce429815366b419fa3e) ### [How to get started DDD & Onion-Architecture in Python web application](https://iktakahiro.dev/python-ddd-onion-architecture?utm_source=hashnode&utm_medium=feed) I published the following code for sharing knowledge of DDD & Onion Architecture in Python web applications. https://github.com/iktakahiro/dddpy I've also written a git of it on README. But in some ways, DDD is too difficult for us to understand; I w... 6 min read · [iktakahiro.dev](https://iktakahiro.dev/python-ddd-onion-architecture?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/python-ddd-onion-architecture/62145c35b8d3826eb56650cd) [Feb 22, 2022](https://hashnode.com/posts/python-ddd-onion-architecture/62145c35b8d3826eb56650cd)