Kazuki Kagami

- Took over the admin portal mid‑project as acting tech lead, delivering most features end‑to‑end (React/Remix + Go) and accelerating release cycles through clear ownership. - Implemented frontend in React 18 + Remix (TypeScript) and backend in Go; owned API design (REST) and integration to streamline collaboration. - Built background processing on AWS ECS Fargate using EventBridge + SQS with RDS (PostgreSQL) as the data store. - Provisioned/updated infra with AWS CDK; added Datadog dashboards and CloudWatch alarms to ensure consistent uptime and quicker incident response. - Collaborated asynchronously across JST–CET time zones with structured hand‑offs and concise written specs.

- End‑to‑end ownership of a learning‑progress management SaaS, from requirements discovery and schema design to production rollout, accelerating release cycles with clear ownership. - Provisioned infrastructure on AWS (ECS, RDS, ELB, Amplify) using Terraform; implemented GitOps workflows. - Set up ecspresso‑based CI/CD enabling zero‑downtime blue/green deployments and predictable releases. - Implemented Go APIs with table‑driven tests and alerting for consistent operations.

- Led replacement of a legacy Voicebot platform; integrated speech recognition and synthesis to automate call flows. - Coordinated a cross‑functional squad; introduced Scrum and observability dashboards to improve feedback loops. - Built a call‑summary pipeline with AmiVoice API, Pub/Sub, and Redis for reliable processing.