Addis Ababa, Ethiopia / Working across boundaries
Complex systems.
Clear thinking.
Real-world impact.
I'm Fkadeal Matiwos, a senior software engineer connecting AI, payments, and cloud infrastructure to the products people actually use.
Shipping the system.
Selected engineering
Not just screens.
Systems behind them.
AI Automation
Email-to-Call Intake Automation
An intake workflow connecting inbound email to firm-specific routing, scheduled AI calling, and CasePeer. The engineering work sits between the message arriving and the resulting interaction becoming useful to the receiving team.
Explore the engineeringPayments
Payment Channels & Reconciliation
Payment integration work across Telebirr, banks, and USSD flows, with callbacks and Odoo reconciliation connecting payment activity to business records.
Explore the engineeringFull-Stack SaaS
Multi-Tenant Marketplace
A multi-tenant marketplace spanning a Next.js interface, Hono APIs, Supabase, and a deployment footprint that includes Cloudflare Workers and Docker on a VPS.
Explore the engineeringMy point of view
The interesting work happens
where systems meet.
A payment provider and an accounting ledger. An AI call and a case-management system. A new product and the infrastructure that keeps it running.
That's where I work best: taking ownership of the connections, the failure modes, and the details that turn a promising idea into useful software.
Meet the engineerA little less guessing
What are you
working on?
Find the experience most relevant to your next challenge.
AI that does the work. Systems that keep it on track.
From signed webhooks to durable jobs, voice AI, and CRM handoffs. Build the workflow around the model, not just a demo around an API.
See related work Talk through my projectEngineering notebook
Thinking in public.
Designing AI Workflows That Survive the Request
How to design event-driven AI workflows with durable scheduling, safe retries, controlled side effects, and human review.
Read the noteMulti-Tenant Boundaries Must Follow the Data
How to carry tenant authorization through APIs, database policies, caches, background jobs, and file access, with tests for cross-tenant isolation.
Read the notePayment Callbacks Are Evidence, Not the Whole Ledger
A practical approach to authenticating payment events, handling duplicates, and reconciling provider records with application and accounting state.
Read the note