643 Studios
Transforming ideas into resilient applications

Transforming ideas
into resilient applications.

High-performance web applications, cross-platform mobile systems, and scalable backend architectures.

// 01. Flagship Deployments

Engineered Systems in Production

Live, active platforms engineered from data model design to native mobile distribution.

GDT
LIVE DEPLOYMENT

Real-time sports scheduling, multi-court tournament management, and instantaneous team tracking. Powers organizers, coaches, and attendees with synchronized bracket updates.

> Live Feeds: Low-latency score dissemination & game clock
> Mobile Push: Real-time field delay alerts & seed advances
> Multi-Tenant: League administrator control dashboard
React React Native / Expo FastAPI Python MariaDB iOS & Android Apps
CROSS-PLATFORM ECOSYSTEM Launch Platform →
PLH
LIVE DEPLOYMENT

Next-generation sports pool platform for football squares and survivor leagues. Integrates real-time square reservation locks with automated quarter scoring calculations.

> Square Grid Engine: Concurrent lock validation prevents race states
> Live Scoring: Real-time NFL & college score ingestion
> Survivor Engine: Automated strike calculations and leaderboards
Vite / React FastAPI Python iOS & Android Apps
GAMING & REAL-TIME STATE Launch Platform →
// 02. Capabilities

Full-Stack Technical Scope

// 01_FRONTEND

Web Application Architecture

Single-page apps, responsive interfaces, and API-driven frontends built with modern React, Vite, and minimal JavaScript overhead.

React • Vite • WebSockets
// 02_MOBILE

Cross-Platform Native Mobile

Unified mobile client architectures deployed simultaneously to iOS App Store and Google Play using React Native and Expo.

React Native • Expo • APNS/FCM
// 03_BACKEND

High-Throughput APIs

Asynchronous ASGI backends, real-time message broadcasting, JWT auth protocols, and automated background jobs with FastAPI and Python.

FastAPI • Python • Asyncio
// 04_INFRA

Linux Systems & Databases

Systemd daemons, MySQL/MariaDB query optimization, index tuning, zero-downtime rollouts, and hardened Linux environments.

Linux • MariaDB • Systemd
// 03. Leadership & Philosophy

One Technical Owner. From Schema to Production.

643 Studios is operated by Daniel Nocito, an engineer with over two decades of hands-on software development and systems architecture leadership.

When you partner with 643 Studios, you work directly with the architect building your system. There are no middle layers, no junior handoffs, and no outsourced engineering teams. Everything is crafted with rigorous standards for reliability, security, and sustained velocity.

20+ Years in Engineering
100% Hands-On Execution
US Eastern Timezone
DN
Daniel Nocito
Software & Systems Engineer
"Software that survives real-world scale is built by respecting fundamentals: clean code, efficient queries, and predictable architecture."
dnocito43@gmail.com →
// 04. Direct Inquiries

Let's Discuss Your Project

Reach out directly for architectural consultation, new applications, or production support.

Direct Inquiries

Email Contact

Send your requirements, project scope, or questions directly to Daniel.

dnocito43@gmail.com
SLA Standard

Turnaround Window

Direct responses within 24 business hours. No automated answering delays.

• Direct Principal Response
Availability

Studio Base

United States • Eastern Timezone (EST / EDT). Serving clients worldwide.

• Remote-First Operations