Fig. 1 — VendTonCell Trade-In Portal featured view (click to expand)
01
The Problem
Business Impact
Valuation, customer payouts, and shipping label generation were all handled manually, limiting processing scale and causing delays in customer payouts.
Constraints
Had to directly write updates to a shared Google Sheet used for accounting and inventory - zero disruption to existing bookkeeping workflows.
02
Technical Execution
Architectural Strategy
Architected a modular Go-based backend to manage the state flow of trade-ins, communicating via Webhooks with WordPress and Google Sheets APIs.
Depth of Execution
Implemented automated API shipping label generation with Canada Post, combined with Twilio-based WhatsApp alerts tracking every shipping status change.
03
Results
✓Admin labor reduced by 25+ hours per week through automation.
✓Average trade-in completion cycle shortened from 7 days to 3 days.
✓Zero valuation entry discrepancies reported since launch.
Future Proofing
Configured a microservice architecture in Go, meaning high-traffic quote spikes do not overload the primary WordPress sales front.
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04
Client Feedback
"This was my fourth project with Adarsh, so yeah he is super reliable and all my projects have turned out to be better than I expected. No excuses whatsoever. The quality of work Adarsh produces is unmatched by anyone I've worked with. He's your guy. 10 out of 10!"