Jaco Nkosi

Overview

Senior Platform Engineer at Interswitch, focused on platform engineering. Mentored 11 engineers through their first promotion. Before that: GTBank and MTN. Most at home with observability and CI/CD. Big believer in written communication.

Prefers short, specific messages

Experience

1. Senior Platform Engineer

   Sep 2024 - Present
   Interswitch · 2 yr 1 mo · Full-time · Johannesburg, South Africa
   • Wrote the Kubernetes service that now handles 34 million requests a day.
   • Led the migration of 12 services to observability.
   • Built the experimentation framework 20 product teams use to ship changes safely.
2. Platform Engineer

   Aug 2021 - Sep 2024
   GTBank · 3 yr 1 mo · Full-time · Johannesburg, South Africa
   • Shipped 24 launches on the developer platform team without a rollback.
   • Brought on-call pages for developer platform down from 30 a week to 2.
3. Platform Engineer

   Dec 2019 - Aug 2021
   MTN · 1 yr 8 mo · Full-time · Johannesburg, South Africa
   • Wrote the Backstage service that now handles 32 million requests a day.
   • Shipped 16 launches on the developer platform team without a rollback.
4. Platform Engineer

   Dec 2018 - Oct 2019
   EY · 10 mo · Full-time · Johannesburg, South Africa
   • Reduced cloud spend on developer platform by 46% in two quarters.
   • Brought on-call pages for developer platform down from 33 a week to 4.

No references yet.

Education

1. Stellenbosch University

   BEng, Mathematics
   2014 - 2018