Software engineer with 5+ years of experience in web development, after a career change from corporate sales at a travel agency. I've covered the full cycle — requirements definition, development, infrastructure, hiring, and management — and my strengths are versatility and experience in 0-to-1 phases.

• Frontend: TypeScript / React / Next.js / Vue.js
• Backend: TypeScript (NestJS) / Go (Echo) / PHP (Laravel) / Ruby (Rails)
• Infrastructure: AWS / GCP / Terraform
• Data: RDB / Redis / MongoDB / DynamoDB / BigQuery / Elasticsearch
• Others: GraphQL / LLM application development (incl. RAG) / Testing (Unit / Integration / E2E / VRT)

• AWS Certified Solutions Architect – Associate
• TOEIC L&R 895
• Fundamental Information Technology Engineer — Japanese national certification by IPA

• Zenn
• Qiita