I’m Atsuki Narita, a software engineer with a strong focus on server-side development.
Experience
Timee, Inc. [Jan 2024 - Current]
- Responsible for backend development of Timee, a leading spot work service with over 10 million downloads.
- Designing and developing an ID platform. Conducting research on standards such as RFCs, OpenID Connect Core, and security guidelines like OWASP.
- Working across backend applications, infrastructure layers, and frontend development. Implementing solutions using Go, Terraform, and TypeScript.
DeNA Co., Ltd. [Apr 2021 – Dec 2023]
- Built and maintained an application with over 4M downloads, requiring communication with cross-functional teams regarding product and customer success.
- Focused on server-side development, providing mentoring and coaching to newcomers.
- Improved server performance by redesigning large tables and tuning database queries.
- Paid close attention to customer inquiries to identify and resolve high-risk issues.
LABOT, Inc. [Oct 2019 – Jul 2020]
- Developed “SHAKYO.io”, a learning service for beginners in programming as a product manager and software engineer using Ruby on Rails and React.
- Collaborated with a global team in English.
- Introduced a subscription payment feature using the Omise payment API service.
- PR Times - This press release provides an introduction to the service.
ANNONE, Inc. [Sep 2019 – Mar 2020]
- Developed products in the cosmetology domain using Go, Ruby on Rails, React, and Flutter.
- Built a clean architecture RESTful API server.
- Gained experience in brief Scrum development cycles during the 0 to 1 phase.
FLUX, Inc. [Nov 2018 – Nov 2019]
- Developed a back-end API for a Business Intelligence (BI) tool using Node.js, and constructed a data collection system using Python.
- As a tech lead and product manager, developed products that were introduced to numerous partner companies.
- Provided mentoring and coaching for two internship members, aiding in their professional development and integration into the team.
Mercari, Inc. [Aug 2018 – Sep 2018]
- Joined as a product manager intern during the launch of a new travel business at Mercari (Product: mertrip).
- Developed product specifications based on usability tests and conducted competitive analysis of domestic and foreign companies.
Presentations and Publications
DeNA TechCon 2023
- Presented at DeNA TechCon 2023, a major technology conference, discussing innovations and challenges in server-side development. The presentation titled “新卒1年目が100億レコード超のDBマイグレーションをした話” focused on the challenges and methodologies of database migration in a high-scale environment, particularly handling over 10 billion records without downtime and enhancing table indexing and partitioning to improve search speeds and overall database performance.
DeNA TechCon 2021 Winter
- Presented at DeNA TechCon 2021 Winter, focusing on recent advancements and real-world applications of backend technologies. Explored the inner workings of MySQL indexing, detailing the efficiency improvements in database searches and the impact on backend performance.
Education
Tokyo Metropolitan University [Apr 2016 - Mar 2021]
- Bachelor of Engineering - BE Intelligent Mechanical Systems
- Received the Excellent Presentation Award at the 28th Student Member Graduation Research Presentation of the Japan Society for Precision Engineering in 2021. Award announcement page