Toredo
Consumer Device Trade-In & Valuation Engine
Client Context & Objectives
Toredo operates an online recommerce platform in Munich enabling consumers to appraise, sell, and cash out used smartphones and tablets based on graded device conditions.
The Core Technical Challenge
Device condition grading requires complex step-by-step user evaluation while maintaining high checkout conversion and rapid quote generation.
My Role & Architectural Approach
Role: Full-Stack Engineer. Built valuation calculation engine, multi-step appraisal flow, and payout integration.
Engineered a streamlined appraisal workflow backed by fast REST APIs (sub-300ms) with automated price grading based on device condition criteria.
Verified Results & Business Impact
- Sub-300ms quote generation workflow.
- Frictionless multi-step device appraisal UI with automated grading logic.
Engineering Highlights
- Performant REST APIs with response time under 300ms
- Multi-step condition appraisal wizard with instant price calculation
- Automated shipping label and payout integration
System Interface & Workflow Gallery
Click any screenshot to expand.
