Summary
Technical case for a Telegram ecosystem product: catalog discovery in Mini App, media delivery into Telegram, and admin content operations.
NDA NDA
TELEGRAM_MEDIA_DELIVERY
Telegram Mini App platform for fast media catalog browsing and delivery into Telegram chats, with bot-based admin upload workflows.
Golang Telegram Bot API Mini App PostgreSQL sqlc goose
Role
Backend / Product Engineer
Timeline
NDA
Architecture
- •Telegram Mini App (Web) + Telegram Bot -> API gateway
- •Go microservices in monorepo with hexagonal modules and queue-based workers
- •PostgreSQL + sqlc + goose, with metrics/traces/logs for observability
Challenge
- •Provide low-latency catalog search and delivery in Telegram UX constraints
- •Build a safe admin flow for uploads and metadata management
- •Keep delivery reliable across Telegram API edge cases
Implementation
- •Designed Go microservices with hexagonal architecture and clear domain boundaries
- •Implemented type-safe data layer with sqlc and schema migrations with goose
- •Built bot-driven admin wizard and CRUD flows for media and metadata
- •Added copyMessage-priority delivery path with robust fallback mechanics
- •Introduced observability stack (metrics, traces, logs) and CI quality gates
Outcomes
- •Operationally stable delivery flow with predictable fallback behavior
- •Faster release confidence via typed data access and automated quality checks