Software engineer · Mbeya, Tanzania

PrivatusCosmas

I’m Privatus Cosmas, also known as Priver. I build web and mobile apps, business systems and integrations from Mbeya, Tanzania. Here I share practical lessons on software, careers and student life in English and Kiswahili.

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Fresh fromthe desk

Privatus Cosmas — Your first tech interview: the 5 questions they always ask (and how to answer)9 slides

31 Oct 2026 · students

Your first tech interview: the 5 questions they always ask (and how to answer)

How to prepare for your first tech interview, answer 'tell me about yourself', walk through a project, say 'sijui' the right way, ask good questions and follow up afterwards.

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Series

Come back forthe next episode

New carousels every Tuesday, Thursday and Saturday at 19:00, plus Swali la Wiki on Sundays.

  • 01

    Njia za Tech

    One tech career at a time: what the job is, the skills, and how to start.

    Starting soon
  • 02

    Code ya Wiki

    A short piece of broken code. Spot the bug, then see the fix explained.

    Starting soon
  • 03

    Hiki au Kile

    Two tools or choices side by side, and when to pick each one.

    Starting soon
  • 04

    Kamusi ya Tech

    Tech words explained in plain Kiswahili.

  • 05

    Inavyofanya Kazi

    How everyday tech works under the hood: mobile money, WhatsApp, AI.

    Starting soon
  • 06

    Jenga kwa Tanzania

    Building for local reality: USSD, SMS, cheap phones and mobile money.

    Starting soon
  • 07

    Swali la Wiki

    Your questions, answered every Sunday.

Coming up
  1. Use AI like a tutor, not a copy machine: 5 prompts that make you learn faster
  2. Your bundle ended. Your learning shouldn't: coding on a data budget
  3. Your portfolio site, live by Sunday night: a one-weekend plan
  4. One person does everything? Not anymore: the group project survival guide
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Find whatyou need

Free book

Python Daily: from beginner to professional

43 pages of explanations, real code, exercises and projects, plus every area where Python is used. Free to download and share.

Latest talk

Life in Uni vs Real World in Tech

Mbeya University of Science and Technology (MUST) · 7 Oct 2026

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About Privatus

Software with a practical purpose.

Web and mobile apps, business systems and practical tech lessons from Mbeya, Tanzania.

Meet the engineer