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Amanuel YanniAY
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Amanuel Yanni

@amanuelyanni

Full stack engineer at ShipShap who built its driver app, supporting nearly 15,000 deliveries and 4,400+ in-app payment collections.

Ethiopia
Message

At ShipShap, I joined the founding team as an intern and grew into a core contributor across the driver app, merchant dashboard, and backend APIs. I built the Expo and React Native driver app from scratch, supporting nearly 15,000 deliveries, 4,400+ in-app payment collections, and ~3,000 digital proof-of-deliveries.

I work across Python and React on production systems, including checkout, shipping labels, store integrations, and payments. My backend work has covered shipping rates, label APIs, inventory, multi-carrier integrations, and payment webhook flows.

I also led the payments UI and contributed to ShipShap's merchant web app, which powered 50,000+ shipment labels and 15,000+ fulfilled orders. I'm currently building Colonyx, a multi-tenant CRM and marketing automation SaaS whose MVP is being tested with a real-world client.

Experience

Work history, roles, and key accomplishments

CO
Current

Founder & Lead Engineer

Colonyx

Jan 2026 - Present (9 months)

Building a multi-tenant CRM and marketing automation SaaS. Developed backend with Django and Celery, frontend with React Router 7 and TypeScript, and implemented features like visual workflow builder and drag-and-drop funnel editor.

FR

Technical Consultant & Engineering Lead

Freelance

Jan 2023 - Apr 2023 (3 months)

Led a two-engineer team to audit, stabilize, and partially rework a Next.js + Laravel ERP platform. Identified and resolved critical bugs, delivered a technical audit report, and proposed an architectural rework plan.

ShipShap logoSH

Intern

ShipShap

Nov 2020 - Dec 2021 (1 year 1 month)

Joined the founding team as an intern and grew into a core contributor across the driver app, merchant dashboard, and backend APIs.

Education

Degrees, certifications, and relevant coursework

HT

HiLCoE School of Computer Science and Technology

Bachelor of Science, Computer Science

2018 - 2022

Grade: 3.7 / 4.0

Pursued a Bachelor of Science in Computer Science, achieving a GPA of 3.7 out of 4.0.

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