Proof of execution

Case Studies

Real clients who trusted Stock42 to build, automate, and operate better.

These are not concepts or internal demos. They are live platforms, apps, and experiences representing real brands, solving real operations, and showing how we execute when delivery actually matters.

6
featured clients
50+
modules in JBATours
3
projects with AI-managed content
Projects built for clients

From institutional websites to complex platforms and production-grade mobile apps.

Travel PlatformClient

JBATours

End-to-end platform for Jewish tours in Buenos Aires.

A complete digital operation to sell, manage, and update experiences without friction.

S42-CoreCMSAI agentBookingPayments
Problem

They needed far more than a landing page: a platform able to manage content, bookings, payments, and resources in a highly specific Jewish travel context.

Solution

We built a complete platform with 50+ modules, a full CMS, an AI agent for content self-management, automatic booking, payments, and operational management on top of S42-Core.

Impact

Content, operations, and sales were centralized into one system built to scale.

Institutional WebsiteClient

Mario Kamelman

Institutional website managed by AI through Telegram.

A sober, professional digital presence that remains easy to operate without constant technical dependence.

WebsiteAI agentTelegram ops
Problem

The website had to communicate medical authority while reducing the friction of ongoing updates and publishing.

Solution

We created the institutional website and connected it to an AI agent operated through Telegram for conversational content management.

Impact

Site management became faster, simpler, and much more sustainable day to day.

Book Landing PageClient

Encrucijada Nutricional

Editorial landing page for the Encrucijada Nutricional book.

A page designed to present the work, support the campaign, and keep content alive with minimal operational overhead.

Landing pageAI agentTelegram ops
Problem

The book needed a clear digital presence that could be updated quickly without relying on slow content workflows.

Solution

We built the book landing page and connected it to an AI agent managed through Telegram to operate content at speed.

Impact

The project stays up to date with less friction and a much more agile content operation.

Mobile AppClient

Rlink

Real-time tracking and security for motorcycle enthusiasts.

A mobile app focused on live tracking, alerts, and operational control of every ride.

React NativeRealtime trackingAlertsTrip exports
Problem

The product needed a trustworthy mobile experience for real-time tracking, zones, alerts, and trip exports.

Solution

We built the app with React Native and an AI-first delivery approach to move fast without sacrificing critical functionality.

Impact

A mobile experience with instant alerts, live tracking, and an accessible security proposition for powersports.

B2B CommerceClient

Farmasun

B2B platform for pharmacy purchasing at scale.

A transactional solution built for volume, speed, and real commercial operations.

Next.jsAPIB2B platform
Problem

They needed to digitize the B2B channel and support an operation reaching thousands of pharmacies.

Solution

We built the API and B2B platform with Next.js, optimizing for fast delivery and a strong base for scale.

Impact

Tangible B2B sales growth and a much stronger digital commercial operation.

Healthcare AI PlatformClient

Rastrea Salud

AI suite for healthcare hiring delivered at high speed.

A complex ecosystem of coordinated apps built for a sensitive operation, with stability and scalability as core constraints.

Project Marcus17 appsAI platform
Problem

Build an AI platform for healthcare hiring with multiple moving parts working together.

Solution

Project Marcus executed delivery across 17 apps composing the suite while maintaining expert oversight and high technical standards.

Impact

In roughly two months, we delivered a stable, secure, and scalable suite for a high-demand operation.

Internal technology

Our own technology behind delivery

We also build the technical foundation that lets us execute faster, with more consistency and control.

Backend Framework

S42 Core

Modular framework for autonomous backends with production speed.

S42-Core v3 is built around modules: each module encapsulates controllers, services, events, and contracts to work independently on Bun.

It integrates routing, modular loading, events, data adapters, and clustering into one coherent backend experience for enterprise architecture.

BunControllersServicesEventsContracts
Open

Mobile Runtime

S42 UI

XML language plus runtime engine for dynamic mobile apps.

S42UI lets teams define components and screens that run in real time inside the Stock42 engine.

It is now evolving into a mobile app capable of generating apps locally on the phone using a local LLM to understand requirements and show results live, fully offline.

XMLRuntimeLocal LLMOffline-first
Open