Senior Software Developer
- Influitive, Tronto, Canada( Mar 2021 ~ Feb 2024 )| Product: | Customer Advocacy Saas for better customer success and feature improvement based on direct feedback |
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| Skills: | Go, Ruby on Rails, React, Next.js, TypeScript, GraphQL, Kubernetes, AWS |
Accomplishment
- Played as one of the main contributors in the GraphQL project from its inception to completion in order to implement the new flexible UI.
- Resolved urgent bugs and customized the Rails forum library(discourse) to meet specific project requirements.
- Actively participated in code reviews and contributed to the development of a robust, maintainable codebase by reviewing pull requests and implementing best practices.
- Collaborated with customer support and design teams to address and resolve urgent user requirements and issues
Lead Developer
- Phronesis Inc., Tokyo, Japan( Oct 2018 ~ Dec 2020 )| Product: | Automated document outputs for web and native apps (React Native) tailored for real estate agents. |
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| Skills: | React, TypeScript, React Native, Vue, Ruby on Rails, AWS, Circle CI, Firebase |
Accomplishment
- Led a team of 6 developers as the Lead Engineer, overseeing the design of both web and mobile applications
- Engineered core features across backend and frontend for web and mobile apps, including chat functionality, file viewing, payment processing, and certificate registration requests.
- Spearheaded the development and release of a React Native mobile application from inception to deployment.
- Implemented Atomic Design principles to enhance development efficiency and create highly reusable components for the mobile app.
- Designed and implemented app-wide libraries, such as an HTTP client library, to significantly boost development productivity and code reusability.
- Improved product stability and increased test coverage by 10% by creating a robust test code environment and active team engagement.
- Ensured stable and efficient deployment processes for web and mobile applications by implementing CI/CD pipelines.
React/ Ruby on Rails Developer
- Jiraffe Inc., Tokyo, Japan( Nov 2017 ~ Sep 2018 )| Product: | Automated document outputs for web and native apps (React Native) tailored for real estate agents. |
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| Skills: | React, TypeScript, Ruby on Rails, AWS, Jenkins, MySQL |
Accomplishment
Led the design and implementation of the web console for a new web service, achieving peak sales of $10,000 in a single day.
Streamlined the user registration flow by simplifying the registration form, improving the overall user experience while collaborating with the marketing team.
Rails Developer
- EYS-STYLE, Tokyo, Japan( Nov 2016 ~ Oct 2017 )| Product: | Lesson and customer management system for music school |
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| Skills: | Ruby on Rails, JavaScript, AWS, PostgresSQL |
Accomplishment
- Led a development team of 3 members to create and maintain system.
- Spearheaded a project to implement a new pricing plan, ensuring a smooth and efficient transition.
Java Developer / QA Engineer
- Axis Co., Ltd., Tokyo, Japan( Apr 2014 ~ Seq 2016 )| Product: | Web System related to Japan Central Bank |
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| Skills: | Java, JavaScript, PostgresSQL, Jenkins, WAS, JBoss |