Saburo Suzuki
Software Developer
Location
Tokyo, Japan
Toptal Member Since
October 1, 2017
Saburo is a full-time freelancer with 15 years of development experience. In his career, he has worked on web development and is exceptionally skilled in Ruby on Rails, PHP, and JavaScript and its frameworks. Saburo communicates complex ideas clearly and accurately and works well in teams of all sizes.
Saburo is available for hire
Hire SaburoPortfolio
Beyond Finance, LLC
Ruby on Rails (RoR), PostgreSQL, Amazon Web Services (AWS), RSpec, Sidekiq...
VacationRenter
React, Node.js, PostgreSQL, Next.js, Tailwind CSS, Cypress
Thirty Madison Inc
Cypress, RSpec, Apollo, GraphQL, React, TypeScript, Ruby on Rails (RoR), Ruby
Experience
JavaScript - 15 yearsRuby on Rails (RoR) - 10 yearsNode.js - 10 yearsReact - 9 yearsAngular - 6 yearsNext.js - 4 yearsReact Native - 3 yearsTailwind CSS - 3 yearsLocation
Availability
Full-time
Preferred Environment
Visual Studio Code (VS Code), GitHub, Sublime Text, OS X, Ubuntu
The most amazing...
...project I've worked on is an online search portal for rentals, where I worked as a senior developer using React, Next.js, and Tailwind CSS.
Work Experience
2022 - 2023
Back-end Senior Ruby on Rails Developer
Beyond Finance, LLC
- Converted the business logic from the old Node.js project to a new Ruby on Rails project.
- Wrote down RSpec tests and provided 100% code coverage.
- Implemented a comprehensive job system with Sidekiq and integrated it with Salesforce API.
Technologies: Ruby on Rails (RoR), PostgreSQL, Amazon Web Services (AWS), RSpec, Sidekiq, Salesforce API, Node.js
2020 - 2022
Software Engineer and Full-stack Developer
VacationRenter
- Implemented primary search functions for hotels, villas, houses, and resorts. The front end was built with React, and Next.js was used for server-side rendering.
- Built a multi-lingual system on the front end and optimized the bundler to improve performance.
- Introduced Cypress for front-end E2E testing and implemented A/B testing to analyze user experiences.
- Wrote REST APIs for new features and implemented administration portals to manage base information on databases.
Technologies: React, Node.js, PostgreSQL, Next.js, Tailwind CSS, Cypress
2018 - 2019
Full-stack Developer
Thirty Madison Inc
- Developed an API with GraphQL on Ruby on Rails (RoR) for customers and doctors.
- Created the UI/UX with React and Styled-components and supported a responsive design with SCSS.
- Wrote down back-end and front-end test cases with RSpec and Cypress.
Technologies: Cypress, RSpec, Apollo, GraphQL, React, TypeScript, Ruby on Rails (RoR), Ruby
2018 - 2018
Senior Front-end Developer
S3: Shapiro Settlement Solutions (via Toptal)
- Developed a single-page application that is used as a management tool for law entities; used React and Apollo.
- Created AWS Lambda functions to track and store the details of law entities.
- Updated the back end and GraphQL.
Technologies: Microservices, AWS Lambda, Express.js, Node.js, GraphQL, React
2012 - 2016
Lead Developer
Tose
- Developed REST APIs for web and iOS applications.
- Built a single-page application with Angular and React.
- Developed SaaS products with a team.
- Led the development of a job-posting system.
- Developing real-estate management with Laravel/Vue.js.
Technologies: MERN Stack, MEAN Stack, Ruby on Rails (RoR)
2009 - 2011
Web Developer
Tose
- Developed eCommerce websites.
- Built custom CMS and SaaS products.
- Contributed, as a team member, to the development of a social network.
Technologies: Ruby, AngularJS, PHP, Ruby on Rails (RoR)
Experience
Online Search Portal for Rentals
http://www.vacationrenter.comDeveloped with JavaScript, the back end was built in Node.js and Express.js. The front end is in React, Next.js, and Tailwind CSS. I worked primarily as a senior developer on search enhancements and multi-lingual systems, upgraded bundles, and improved server-side rendering features.
Migraine Treatments
http://www.withcove.comTake control of your migraines with personalized treatment and continuous online support from doctors.
The back end was developed using Ruby on Rails and GraphQL. The front end was built using React and TypeScript. I worked as a full-stack developer focusing on user experience.
The back end was developed using Ruby on Rails and GraphQL. The front end was built using React and TypeScript. I worked as a full-stack developer focusing on user experience.
Social Network
I developed a formal social network that targeted college students.
Technologies: PHP, CodeIgniter
Technologies: PHP, CodeIgniter
Online Beanie Shop
This eCommerce site was built with WooCommerce and sells beanies to women with cancer and other diseases that cause hair to fall out.
Gift Card Store
This is an eCommerce project that was done for an online card store.
Technologies: Ruby on Rails
Technologies: Ruby on Rails
Online Job Posting System
I developed a job posting system to purchase a freelancing service as a project manager and team leader. It supports only small tasks such as content writing, graphical designs, and research.
Technologies: Ruby on Rails
Technologies: Ruby on Rails
Fitness App
I developed a fitness application and worked as a full-stack developer on this project. This was built with a REST API and as a standalone web app; the REST API also supports the iOS application.
Account Management System
https://www.accountdock.comI developed a SaaS product that allows a customer to manage their Stripe account and clients easily. It also supports a JavaScript library that works on any other site, shows the history of each customer transaction, so clients can use that library to encourage their customers.
Technologies: Ruby on Rails
Technologies: Ruby on Rails
Online Dating Network
I developed an online dating website that targeted users in India. The interesting thing about this site was that a user could create multiple profiles for his or her relatives (son, daughter, brother, sister, and more).
This site was built with AngularJS and the back-end was built with Ruby on Rails.
This site was built with AngularJS and the back-end was built with Ruby on Rails.
Skills
Languages
TypeScript, Ruby, JavaScript, PHP, CSS, HTML, Python, GraphQL
Frameworks
CodeIgniter, Angular, Ruby on Rails (RoR), Laravel, Express.js, Next.js, React Native, Redux, Django, Tailwind CSS, AngularJS, Cypress
Libraries/APIs
React, Node.js, jQuery, Vue, Redux-Saga, Sidekiq, Salesforce API, Stripe API
Tools
Sublime Text, Webpack, RSpec, React Apollo, RubyMine, GitHub
Paradigms
Functional Programming, Agile Software Development, MEAN Stack, Concurrent Programming, Microservices
Platforms
Linux, MacOS, Ubuntu, OS X, AWS Lambda, Amazon Web Services (AWS), Visual Studio Code (VS Code)
Storage
Redis, MySQL, PostgreSQL, MongoDB
Other
Web Development, Senior Web, Styled-components, MERN Stack, Apollo, Full-stack Development
Education
2004 - 2008
Bachelor's Degree in Information and Communication Technology
University of Tokyo - Tokyo, Japan