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Case studies: real-time platforms, AI agents and SaaS

Every stage is a real project, with the hardest problem (the boss), the architecture and the numbers. Pick one.

100K+concurrent devices
Stage 1-1 · 2023 — Now

ALTO device platform

Real-time device management for an IPTV platform: NestJS, Socket.io and MongoDB holding 100,000+ concurrent device connections.

Boss100,000 sockets that must never drop
NestJSSocket.ioMongoDBGraphQLDocker
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100K+concurrent devices
Interactive demo
1-1 · 2023 — Now

ALTO device platform

Real-time device management for an IPTV platform: NestJS, Socket.io and MongoDB holding 100,000+ concurrent device connections.

NestJSSocket.ioMongoDBGraphQL
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MCPtools for LLMs
Interactive demo
1-2 · 2024 — NowAI

ALTO AI agent + MCP

A production AI agent on the Anthropic and OpenAI APIs with tool use, memory and guardrails — plus an MCP server that gives LLMs safe access to internal systems.

LangChainAnthropic APIOpenAI APIMCP
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1000spayments a day
2-1 · 2020 — 2022

Zerocash

E-wallet transaction system clearing thousands of payments a day, with audit trails and reconciliation.

Node.jsLaravelVue.jsMySQL
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SweepSouth screenshot
2-2 · 2022 — 2023

SweepSouth

Africa's largest on-demand home-services platform: NestJS services and booking flows for 100k+ active customers.

NestJSTypeScriptMongoDBAngular
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UptimeRobot screenshot
3-1 · 2019 — 2020

UptimeRobot

Website monitoring for 2.1M+ users: Node.js services running millions of checks a day and a schema-first GraphQL API.

NestJSTypeScriptGraphQLAWS ECS
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MoAEgypt's largest mall
3-2 · Web

Mall of Arabia

Website for Egypt's largest mall.

Next.jsNuxt 3Tailwind CSS
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