Hello, Nlder, I was checking the internet to for Agricultural Job around Africa, these I saw could be of help to others.

1) IITA.
The International Institute of Tropical Agriculture (IITA) is a non-profit institution that generates agricultural innovations to meet Africa’s most pressing challenges of hunger, malnutrition, poverty, and natural resource degradation. Working with various partners across sub-Saharan Africa, we improve livelihoods, enhance food and nutrition security, increase employment, and preserve natural resource integrity.
Present Job vacancies in IITA::: http://www.iita.org/about/jobs/

2) Corfarm.
Corfarm is an Agricultural Service company that solves agricultural problems which include; production, processing, marketing, health and funding. We work to improve agriculture both online and offline to tackle food insecurity in Africa. Corfarm launched a campaign for food security in recent time called Let's farm together.
to register for Corfarm visit https://Corfarm.com/register

Present Job vacancies in Corfarm::: https://corfarm.com/career

3) Wefarm.
Sharing vital information that improves lives around the world… Even without access to internet. present job vacancies in wefarm: https://wefarm.org/get-involved/

4) Esoko.
Esoko is an information and communication service for agricultural markets in Africa. It is a response to the explosive growth of cellular services across the continent. The company provides advice to farmers (market prices, weather forecasts, and growing tips) to help them increase yields and profits as well as solutions to businesses (marketing products, monitoring activities, and sourcing goods) to help them connect with farmers.

Present vacancies in esoko: https://www.esoko.com/careers/