About Me

I'm Application Engineer in Rakuten.

Mainly I'm Backend Field as below

• BFF・API (Node.js, Nest.js, TypeORM (TypeScript) or SpringBoot (Java), Express, Socket.IO, Jest or JUnit+Mockito, Postman)
• API Performance Test (Gatling (Scala), k6)
• Batch processing (TypeScript, Node.js, REST API, Jest, Shell, Cron, csv handling)
• DB・Data extraction (Hadoop, BigQuery, HQL, MySQL, SQL, Cassandra)
• Frontend (React, Next.js, TypeScript, MobX, Zustand, Socket.IO)
• Load reduction (Redis, Kafka)
• Microservices (k8s)
• CI/CD (Jenkins)
• Production release, Operation, Alert handling (Kibana Alert -> PagerDuty)
• Log search, Monitoring (Kibana, Splunk, Grafana, Elasticsearch Logstash Kibana (ELK) )
• English Communication

My Skills (Highly skilled from left)

Front・Client Side

BackEnd

Others (Infra, CI/CD)

Other Skill

• Database Specialist Examination 2024.10
• MSc in Computer Science (field of study : combinatorial optimization, quantum annealing, optimization calculation) 2022.3
• Certified ScrumMaster® (CSM®) 2022.10
• TOEIC 875 (L 470 R 405) 2021.5

Language experience

• TypeScript : Use this language full stack
• C++ : Competitive programming, game production work movie
• Python : Data processing, Part-time Machine Learning job at university
• Java : API development using Spring boot in business and used R&D Intern
• C# : game production with Unity work movie
• Ruby : Create a verification tool as an intern using Ruby on Rails content
• Go, Rust : Basic skills and create simple api (gin, actix-web)
• SQL (HQL) : Use in business
• SML (fp language) : Used in college class
• Shell, AWK : Use in business
• PHP : Created an simple inventory management tool with MySQL (SQL)

General Presentation

• 「R-MesseのAI機能紹介とRAGを用いた今後の改善」 Rakuten Tech Conf 2024
• Rakuten Tech Conf 2024 in Sendai　運営
• 「Java+MySQLからTypeScript+Cassandraへの移行開発」 Rakuten Tech Conf 2023
• Rakuten Tech Conf 2023 in Sendai　運営
• 「(超主観)ゲーム開発とWeb開発の違い」 はじめてのIT勉強会 in 仙台(2023) 資料リンク
• 「マシュマロチャレンジでチームビルディング体験」 はじめてのIT勉強会 in 仙台(2022) 資料リンク
• Rakuten Tech Conf 2022 in Sendai　運営
• 「サークルで新感覚ボイスゲームを作った話」 Akatsuki Geek Live 2020-2021 Vol.1 資料リンク
• 「ボイストラベラー」 技育展 2020 チーム開発部門

Link

My Web Site History

https://baplisca.github.io/ (Due to moving React) -> https://baplisca.herokuapp.com/ (Due to abolishing freeplan heroku) -> https://baplisca.onrender.com/

GitHub Status