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Joel Transport vs Picking & Packing app vs WhatsApp platforms

The problem, what was built, the stack and the outcome, next to each other.

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In common

  • Shared stack: none in common
  • Order: WhatsApp platforms (2018 – 2022) → Joel Transport (Dec 2022 – May 2023) → Picking & Packing app (2025 – 2026)

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Joel Transport ›

Online booking platform on AWS

Picking & Packing app ›

A Kotlin warehouse app for fulfilment teams

WhatsApp platforms ›

Altur, Harambee and eButler on the WhatsApp Business API

At a glance

Role
Lead Engineer
When
Dec 2022 – May 2023
Length
6 mo
Status
Live
Type
Web, Platform
Role
Lead, Smart Kitchen Co
When
2025 – 2026
Length
1 yr
Status
Delivered
Type
Mobile
Role
Lead engineer, Mmogo Media
When
2018 – 2022
Length
4 yr
Status
Delivered
Type
Platform, AI

The problem

Centralised the customer journey and operational data, reduced manual hand-offs and set up a documented AWS foundation.
An Android app that drives picking and packing for warehouse and fulfilment operations.
A WhatsApp-based job platform (Altur), Harambee Youth Accelerator's move from a mobisite to WhatsApp, and eButler's WhatsApp ordering with payments through Flash.

What was built

Led architecture and hands-on engineering for an online booking platform: Python APIs and the AWS deployment architecture, integrated with Paystack, Sage Accounting, Zoho Bigin and Zoho SalesIQ.
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Stack

  • Python
  • AWS
  • Paystack
  • Sage
  • Zoho
  • Kotlin
  • Android
  • Python
  • Django
  • WhatsApp Business API
  • Infobip
  • Twilio

Highlights

  • Python APIs and AWS deployment architecture
  • Paystack, Sage Accounting, Zoho Bigin and Zoho SalesIQ integrations
  • Led architecture and development
  • Built in Kotlin for warehouse floor use
  • Conversational journeys on the WhatsApp Business API
  • Payments via Flash, Paystack and MTN MoMo

Infrastructure choices

  • AWS
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Outcome

Centralised the customer journey and key operational data, reduced manual hand-offs and established a documented AWS foundation for future development.
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