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The words before the invoice

Unedited messages from the people I built for, and short clips of the work running.

Where the work went

5 clients across 5 countries.

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In their words

Alejandro Bellerin: "Wow Andi, that's great! Very good work, I like it a lot!" and "I imagine it's very well built, looking forward to adding a chatbot to the Dowit website!" — Alejandro Belleringoogle chat

Alejandro Bellerin on a settings redesign: "Perfect, I just saw it. It looks simple yet powerful, and the template idea is fantastic. It looks great!" — Alejandro Belleringoogle chat

Smail Yassine after a delivery report: "Great work Andy" — Smail Yassinegoogle chat

Alejandro Bellerin on a background bot check: "Perfect! Great job!" — Alejandro Belleringoogle chat

Alejandro Bellerin on a user entry flow: "I think that it's perfect now, very clear for user and we reinforced the entry by sending the second email. Good job!!" — Alejandro Belleringoogle chat

Innes Abdela on a first-run product tour: "Amazing" — Innes Abdelawhats app

Alejandro : - i've been testing the demo process all day , and it's really , really good, i think its's spectacular!! — Alejandro Belleringoogle chat

you covered all the topic we discussed yesterday , this is amazing. — Smail Yassinegoogle chat

i'm watching it now , and i'm blown away — Alejandro Belleringoogle chat

ahhh i get the idea. i actually think it's a good solution and it's well thought out .... — Deewhats app

one of the meetings for yip — Google meeting for yipGoogle meeting

In the room

One of the meetings for yip. — Meetinggoogle metting

Google meeting for omnichannel — Google meeting for omnichannelGoogle meeting

Progress update on projects. — Progress update on projects.Google meeting

On camera

Stark contests walk through

A Guide video recorded for the participants of the stark contest participants.

showing Voxides hot key feature.

This video shows in detail , how to use the shortcut keys to activate there voice assistants , for users of voxide.

Writing

14 Aug 2026Building Voxides Real time voice feature.Vercel is great for serverless APIs, but serverless environments fall short for real-time voice. Because serverless functions are stateless and have strict execution timeouts, they struggle to maintain the persistent, low-latency WebSocket connections required for bidirectional audio streaming. To solve this for Voxide, I bypassed serverless endpoints for the real time layer. I routed the audio and state synchronization through a dedicated, persistent WebSocket server. This keeps latency minimal, prevents connection drops, and ensures the agent stays connected as you navigate.30 sec

2 Sept 2026Stark likes & views count up issue.I noticed some drift in how views and stars were being aggregated. I didn't just patch it; I completely re-engineered the engagement engine at the database level. Here is how I solved it: 🛡️ Cryptographic View Cooldowns Views are no longer simple counter increments. The system now generates a unique viewer_hash (based on IP/Session) and logs it in an analytics ledger. If the same node refreshes within 24 hours, the database strictly ignores the request. Zero refresh spam. ⚙️ Atomic Database Triggers I removed math from the frontend. Instead of the client saying "add 1 to likes," I deployed strict PostgreSQL triggers. When you star a project, the DB automatically recalculates the exact aggregate count natively. Impossible to spoof, impossible to drop below zero. ⚡️ Synchronized Optimistic UI The frontend now reacts in 0ms. Click a star at the bottom of a report, and the top-nav syncs instantly. If your network connection drops, the UI catches the server failure and auto reverts to the true state. Unbreakable consistency.5 min

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