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CITY GAS
Product Design
Designing the operating system behind Nigeria's LPG retail supply chain — from the pricing screen at head office, to the wallet in a shop owner's hand, to the modern built dispensing machine which uses CIN (Unique code tied to gas purchase) to dispense. Every wholesale purchase becomes a Voucher. Every individual fill against that voucher generates its own CIN — a unique code tied to a cylinder capacity, a price, and (once sold) a timestamp. The retailer's CIN screen is effectively a live, itemised receipt book for gas that used to leave no trace.
Credits
Product Designer
Lennox Koko
The Challenge

LPG distribution in Nigeria relies heavily on manual ledgers, cash transactions, and fragmented logistics. Gas shop owners struggle with erratic inventory levels, lack of transaction logs, opaque pricing, and slow onboarding processes.

My Role & Process

As the Lead Product Designer, I was responsible for the end-to-end design strategy, information architecture, user flows, visual system, and high-fidelity UI design.

System Architecture & User Flows

To ensure seamless logistics and financial synchronization, I mapped the interaction between the Retailer and the Admin systems.

Retailer Dashboard

Built for the shop owner, not head office. A wallet to buy gas in bulk, a tiered cashback engine with referral mechanics to keep customers coming back, a CIN generator that turns one bulk purchase into individually trackable retail fills, and a KYC flow that makes "going formal" feel like five minutes rather than a trip to a government office.

Admin · Operations HQ Dashboard

The control room. Sets wholesale and retail pricing with guardrails so no outlet over- or undercharges; runs the pipeline that turns a cold enquiry into a fully onboarded retailer with its own dedicated wallet account; keeps oversight of every retailer, voucher, and cylinder moving through the network.

Next Up
GASLY
Next Up
Next project: GASLYGASLY