- ☁️ My role is SDET. And I'm a solution architect.
- 💻 I enjoy competitive programming at AtCoder.
- 📔 I have recently been publishing mainly on the following corporate blogs.
- My output
Last Updated on 11/25/2025, 12:24:36 AM
Pleae look at Speaker Deck.
| Certification | Acquisition date |
|---|---|
| ITパスポート | 2017/07 |
| 応用情報技術者試験 | 2018/06 |
| Certification | Acquisition date |
|---|---|
| Ruby Gold | 2019/07 |
| Certification | Acquisition date |
|---|---|
| AWS Certified Cloud Practitioner | 2021/2 (2024/03 Update) |
| AWS Certified Solutions Architect – Associate | 2021/2 (2024/03 Update) |
| AWS Certified SysOps Administrator - Associate | 2021/3 (2024/03 Update) |
| AWS Certified Developer - Associate | 2021/4 (2024/03 Update) |
| AWS Certified Solutions Architect - Professional | 2021/5 (2024/03 Update) |
| AWS Certified DevOps Engineer - Professional | 2021/5 (2024/03 Update) |
| AWS Certified Security - Specialty | 2021/6 |
| AWS Certified Database - Specialty | 2021/7 |
| AWS Certified Advanced Networking - Specialty | 2021/8 |
| AWS Certified Data Analytics - Specialty | 2021/9 |
| AWS Certified Machine Learning - Specialty | 2021/10 |
| AWS Certified: SAP on AWS - Specialty | 2022/8 |
| Commendation | Date |
|---|---|
| 2023 Japan AWS Top Engineers | 2023 |
| 2024 Japan AWS Top Engineers | 2024 |
| Certification | Acquisition date |
|---|---|
| JSTQB Foundation Level | 2023/10 |
| JSTQB Advanced Level Test Manager | 2024/1 |
| JSTQB Advanced Level Test Analyst | 2024/4 |
| ASTQB Advanced Level Technical Test Analyst | 2024/5 |
| ASTQB Advanced Level Test Automation Engineering | 2025/7 |
| ASTQB Specialist Level Testing with Generative AI | 2025/8 |
| Certification | Acquisition date |
|---|---|
| LPIC Level1 | 2020/5 |
| LPIC Level 2 | 2020/8 |
| LPIC Level 3(304) | 2020/9 |
| Certified Kubernetes Administrator (CKA) | 2021/8 |
| Certified Kubernetes Application Developer (CKAD) | 2021/8 |
| Certification | Acquisition date |
|---|---|
| TOEIC 845 scored | 2025/3 |
| VERSANT 62 scored | 2025/7 |
| EIKEN Grade Pre-1 | 2025/10 |