Media Service (File Management API)

Centralized file management service for internal systems including image processing and secure delivery. This detail page explains project context, technical implementation, and delivery outcomes from this engagement.

Company: TechFlow Solution Co., Ltd. | Role: Full Stack Developer

TechFlow Solution Co., Ltd.Full Stack Developer10 technologies5 detail points

Project Context

Apr 2025 - Present

Company

TechFlow Solution Co., Ltd.

Role

Full Stack Developer

Project

Media Service (File Management API)

Scope

Centralized file management service for internal systems including image processing and secure delivery.

Summary

Developed a shared media API platform with secure S3 delivery, image transformation pipelines, and production-grade API standards for internal service integration.

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Implementation & Outcomes

10 stack items

Stack

Node.jsTypeScriptHonoAWS S3SharpPrismaPostgreSQLZodSwagger/OpenAPIJest

Detail

  • Developed centralized media APIs for upload, retrieval, and access control used across internal services.
  • Integrated AWS S3 with pre-signed URLs and expiration policy for secure file access.
  • Implemented automatic image processing and multi-size variant generation using Sharp.
  • Stored file metadata with Prisma + PostgreSQL to improve query and asset management workflows.
  • Added request validation via Zod, API documentation via Swagger/OpenAPI, and unit tests via Jest.
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