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Help build the rails a country runs on.

Every SMS we deliver is a payment cleared, an OTP entered, a delivery confirmed, a parent reassured. If you want your code to matter to Kenyans the day you ship it, this is where you belong.

Nairobi-based Hybrid friendly Real ownership
Engineering
Build the rails
Product
Decide what to ship
Customer success
Make customers wins
Why here

Small team. Real impact. Boring rails for serious money.

Your work ships

Code merged on Monday is moving SMS for paying customers by Friday. No 18-month projects, no committee design.

Real ownership

You own the product line, the metric or the relationship. Small team, broad scope — if it's broken, it's yours to fix.

Stakes worth caring about

The SMS we send is a school fee notice. The webhook is a livelihood. The downtime hurts real people. Boring infrastructure, important work.

Open right now

Roles open as we grow

Don't see your exact role? Send a CV anyway — we keep speculative applications on file for the next cycle.

Backend engineer — Messaging
Nairobi / hybrid Full-time PHP / Laravel / Redis
Senior engineer — Payments & Daraja
Nairobi / hybrid Full-time M-Pesa internals a plus
Product designer
Nairobi / hybrid Full-time Dashboard + marketing
Account executive — Enterprise
Nairobi Full-time Banking / SACCO / Gov
Customer success engineer
Nairobi / hybrid Full-time Technical onboarding

Apply by writing to careers@sozuri.net with a CV and a sentence on what you'd build first.

careers@sozuri.net
Your move

Boring rails. Important work.

If you've ever wanted to build infrastructure people actually rely on — not the next consumer app du jour — come talk to us.

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Your first SMS in the time it takes to brew coffee. Start building in minutes