・iOS app development

・UI implementation using SwiftUI / UIKit

・API design and implementation using Protocol Buffers

・Architecture design based on requirements

・Performance tuning, monitoring, and alert response

・Measuring the effectiveness of initiatives and improving services through analysis of behavioral logs

【Development Environment】

・Development environment: Xcode

・Programming language: Swift

・UI: SwiftUI / UIKit

・API communication: Protocol Buffers / SwiftProtobuf

・Architecture: MVVM

・Analysis platform: BigQuery / Data Studio

・Monitoring: Crashlytics, BigQuery

・CI/CD: Bitrise, GitHub Actions

・Knowledge Tool: Notion

・Others: GitHub / Slack

・Development methodology: Agile (Scrum)