Tadkira

Mobile airline online check-in system built with Kotlin + Jetpack Compose (Android) and NestJS (Backend). Features passport OCR, QR boarding passes, offline support, and full iOS-grade UX.

Passport Optical Character Recognition (OCR) microservice. Automatically extracts and decodes standardized Machine-Readable Zones (MRZ) for seamless passenger identity validation.

Docker orchestration files and shared infrastructure configurations for the Tadkira ecosystem (central network, shared Redis, RabbitMQ, and MinIO S3 containers).

Flight and booking management microservice for the Tadkira ecosystem. Handles flight schedules, PNR lookup, and passenger record alignment with external distribution systems.

SkyPass Support Portal — Admin dashboard for monitoring customer inquiries. Part of the Tadkira airline ecosystem, it fetches and manages real-time passenger messages submitted via the SkyPass mobile app.

Authentication and identity management microservice for the Tadkira ecosystem. Features secure signup/login, email-based two-factor OTP verification, and Google SSO integration.

Unified entry point for the Tadkira microservices architecture. Handles transparent routing, global JWT validation, Redis-based rate-limiting, and centralized Swagger API documentation.

Passenger check-in and seat allocation microservice. Powers the 5-step check-in workflow, manages temporary distributed seat locks via Redis, and dispatches completion events to RabbitMQ.

Boarding pass generation and delivery microservice. Consumes check-in events, generates cryptographically signed QR codes, renders premium PDFs, and uploads them to MinIO S3.