Taisuke is available for hire

Taisuke Jodoi

Verified Expert in Engineering

TypeScript Developer

Tokyo, Japan

Toptal member since July 21, 2025

Expertise

JavaScript TypeScript React.js Node.js Golang GraphQL React Native MySQL AWS PostgreSQL Terraform MongoDB Next.js Python

Bio

Taisuke is a senior software engineer with 15+ years of experience across startups and global companies. He's skilled in full-stack development with Go, TypeScript, Python, React, React Native, GraphQL, and Terraform. Taisuke is fluent in English and Japanese, having lived in the US, UK, Canada, Australia, New Zealand, and Japan.

Portfolio

Self-employed

Amazon Web Services (AWS), Apache Kafka, Go, GraphQL, Kotlin, MongoDB, MySQL...

Fast Retailing

Amazon Web Services (AWS), TypeScript, Node.js, React, Next.js, GraphQL, MongoDB

T-Mark, Inc

JavaScript, React, Redux, PHP, Laravel, MySQL, PostgreSQL

Experience

React - 9 years
TypeScript - 9 years
Amazon Web Services (AWS) - 8 years
GraphQL - 6 years
Go - 6 years
React Native - 5 years
Terraform - 5 years
Python - 3 years

Preferred Environment

Slack, MacOS

The most amazing...

...project I've worked on involved migrating from a monolithic system to microservices with GraphQL to enhance performance, scalability, and maintainability.

Work Experience

Development Lead, Senior Full-stack Developer

2020 - PRESENT

Self-employed

Collaborated with several startup businesses in both front-end and back-end roles, primarily using Go and TypeScript for the back end, React and React Native for the front end, and Terraform for infrastructure as code (IaC).
Served as a development lead on a key project, managing the team to ensure on-schedule delivery while collaborating with product managers and other departments.
Worked with a technology stack that included React, React Native, GraphQL (Apollo Client and Apollo Server), Gorm, TypeORM, Elasticsearch, RabbitMQ, Apache Kafka, and CDK for Terraform.

Technologies: Amazon Web Services (AWS), Apache Kafka, Go, GraphQL, Kotlin, MongoDB, MySQL, PostgreSQL

Development Lead

2017 - 2020

Fast Retailing

Designed and developed new architecture for eCommerce applications in global projects across many countries.
Collaborated with infrastructure, DevOps, and microservice teams to ensure high performance, maintainability, error detection, and security.
Partnered with the business and UI/UX teams to deliver optimal user experiences.

Technologies: Amazon Web Services (AWS), TypeScript, Node.js, React, Next.js, GraphQL, MongoDB

Web Developer

2015 - 2017

T-Mark, Inc

Developed back-end services using PHP and MySQL with Laravel for custom CMSs, resume creation platforms, and other projects.
Built front-end applications using React and Redux, integrating dynamic data from API endpoints, and also created rich, animated front ends.
Developed a custom JavaScript library for generating animated infographics for a client.

Technologies: JavaScript, React, Redux, PHP, Laravel, MySQL, PostgreSQL

Web Developer

2013 - 2014

DIT Web Solutions Inc.

Built responsive websites using HTML5, CSS3 (SASS), JavaScript, and WordPress.
Designed UI components using Photoshop and integrated them into the websites.
Developed HTML-based email newsletters and online marketing strategies for clients.

Technologies: PHP, WordPress, HTML5, CSS3, JavaScript

Front-end Developer | Online Marketing Director

2011 - 2013

IDG Interactive

Used Drupal CMS for IT news content management and ads for clients.
Implemented front-end solutions for the IT news sites to improve UI/UX.
Managed online promotions for clients, implementing SEM and other digital marketing strategies.

Technologies: Drupal, PHP, JavaScript

Experience

Healthcare App for iOS and Android

This project involved developing a cross-platform health management app using React Native to help users improve their blood pressure and related health issues. The app provides personalized habit suggestions and connects to external blood pressure monitors via Bluetooth Low Energy (BLE).

I contributed across the full stack, from front-end and back-end development to infrastructure provisioning with Terraform. I also made upstream contributions to React Native libraries, extending support for previously unsupported iOS HealthKit and Android Health Connect. I collaborated proactively within a lean, Agile team environment.

CRM Development

Led a project to migrate a legacy monolithic server-side application with RESTful APIs to a modern microservices architecture using a GraphQL-based BFF and an event-driven approach with gRPC, RabbitMQ, and Kafka. Leveraging my years of experience with GraphQL, I guided the team by demonstrating best practices, onboarding members, and driving the architectural transition. The migration improved performance, enhanced security, and provided a significantly better user experience.

Education

2007 - 2009

Bachelor's Degree in Tourism Management

Leeds Metropolitan University - Leeds, United Kingdom

Certifications

APRIL 2022 - APRIL 2025

AWS Certified Solutions Architect – Associate

Amazon Web Services

Skills

Libraries/APIs

React, Node.js

Tools

Terraform, RabbitMQ, Slack

Languages

Go, TypeScript, GraphQL, JavaScript, Python, Kotlin, Swift, PHP, HTML5, CSS3

Frameworks

React Native, Next.js, Redux, Laravel, gRPC

Platforms

Amazon Web Services (AWS), Apache Kafka, MacOS, WordPress, Drupal

Storage

MySQL, PostgreSQL, MongoDB, Elasticsearch

Other

Web Components, Research, Bluetooth Low Energy (BLE)

Collaboration That Works

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