Santiago GretterSoftware Studio
Software development, mobile apps, SaaS, and digital solutions for companies
I build end-to-end digital products: web platforms, mobile apps, backends, dashboards, SaaS, and custom solutions. This site works both as a professional portfolio and as a software studio for companies, startups, and organizations.
Software Studio
Software Studio focused on digital products
This site combines my experience as a developer with a commercial offering for companies: digital product development, custom solutions, SaaS platforms, mobile apps, and projects ready to adapt or license.
Professional portfolio with real case studies
Software development services for companies
Proprietary products ready to adapt
Software Studio
Services
Digital solutions for companies, startups, institutions, and projects that need real, scalable, production-ready technology.
Web Development
Institutional websites, web platforms, commercial landing pages, admin dashboards, and products with Next.js, React, and TypeScript.
Mobile Apps
Android/iOS apps with React Native, authentication, maps, push notifications, chat, payments, and store publishing.
SaaS & Platforms
SaaS products, CRM, marketplaces, internal systems, business portals, and white-label solutions ready to adapt.
Sectores
Clients and sectors
Experience combining proprietary products, institutional solutions, and software development for organizations with real needs around operations, content, users, and scalability.
Companies and startups
Web platforms, SaaS, marketplaces, CRM, dashboards, white-label products, and commercial solutions.
Institutions and public sector
Internal systems, IT support, reporting, intranets, automation, ERP/CRM, and operational processes.
Culture, education and museums
Institutional websites, interactive kiosks, digital catalogs, touch experiences, bilingual content, and multimedia management.
Stack
Technologies we use
Modern stack to build production-ready web, mobile, SaaS products, backends, dashboards, and integrations.
Web & Frontend
Mobile & Realtime
Backend & Cloud
Diferencial
Why work with me?
A combination of technical experience, product thinking, and the ability to build complete solutions from idea to production.
End-to-end development
Web, mobile, backend, dashboards, integrations, and deployment from a single technical vision.
Real experience
Background in banking, public sector, IT support, reporting, internal systems, and software development.
Own products
Built real platforms such as RadarSocial, NutriMVP, SG Copilot CRM, PlayDuel, and SaaS starters.
Business focus
I work with users, operations, scalability, monetization, and product evolution in mind.
Modalidades
Work models
Different ways to collaborate depending on the project stage, budget, and business goal.
Custom project
Complete development of a website, app, dashboard, internal system, or platform from scratch.
White-label product
Adaptation of an existing base such as a marketplace, SaaS, CRM, interactive kiosk, or mobile app.
Licensing / partnership
Use, evolution, or commercial deployment of proprietary products such as RadarSocial, NutriMVP, or SG Copilot CRM.
Portfolio
Case studies and products
A selection of real projects, proprietary platforms, and solutions ready to adapt, license, or deploy.
Own products
Platforms, SaaS, apps, and digital products built as commercial bases, licensing opportunities, or product evolution.
RadarSocial
Full-stack platform with a live web version and an Android app currently in Google Play Closed Testing. It combines social + services experiences in a single product, including chat, maps, BLE, audio, video calls, push notifications, mobile monetization, and a scalable backend.

SG Booking Pro
SaaS platform for online bookings for professionals and small businesses. Includes services, scheduling, public bookings, automated confirmations, and administration.
NutriMVP
Mobile MVP app to scan products, check nutrition facts, compare supermarket prices, and optimize grocery shopping. It includes scan history, favorites, price alerts, smart shopping lists, nearby supermarket maps based on user location, product-based supermarket mapping, and suggested routes to buy products at the lowest price. It integrates data from OpenFoodFacts, Firebase/Firestore, and a custom backend with PostgreSQL/Supabase.

PlayDuel
Full-stack web platform for real-time 1v1 duels with competitive games, lobby, invites, matchmaking, match chat, history, leaderboard, demo balance, and result logic. Built as a foundation for a competitive gaming platform with wallet and tournaments.

SG SaaS Starter
Commercial full-stack starter built for SaaS products. It includes a modern admin dashboard, authentication, users, activity, notifications, settings, a Node.js API backend, and a production-ready structure to extend into real products or new commercial builds.
Services Marketplace
Current project in development. Full-stack mobile platform connecting clients, providers, and admin in a single workflow: service requests, real-time chat, map, location, push notifications, reviews, history, and admin dashboard.

SG Copilot CRM
Full-stack SaaS CRM focused on sales operations, client follow-up, and AI-powered productivity. It includes authentication, organizations, Stripe subscriptions, Free/Pro/Business plans, usage dashboard, semantic document search, document Q&A, AI client summaries, and a Business-only AI audit/insights module.
Available products
Interested in adapting or licensing a product?
We can discuss licensing, white-label, commercial deployment, product evolution, or partnership opportunities.
Institutional and client work
Real projects for institutions, cultural spaces, intranets, websites, and operational solutions.

Museo Canario (Web)
Official bilingual (ES/EN) production website, integrated with a shared Admin panel (also used by the kiosk) to manage content, rooms, and items.

Interactive Kiosk (Museum)
Tablet-fixed museum experience: interactive floor map, guided tour, 3D pieces (Luma), QR-based self-guide per item, and full content management via Admin panel.

Sociedad Islas Canarias Uruguay
Bilingual institutional website built for Sociedad Islas Canarias Uruguay. Includes content management, events, gallery, news, administration, SEO, and responsive experience.

Intranet (WordPress) — Public agency
Internal intranet (no public access) for communication and operations. End-to-end WordPress implementation: custom UI, social modules, events and knowledge base, plus performance and maintenance.
Commercial projects
Digital products developed and available for licensing, partnership, commercial deployment, or acquisition, depending on scope and business model.
In addition to building custom solutions, I also create proprietary products with commercial potential. Some projects in this portfolio can be adapted, licensed, or deployed for third parties under different collaboration models.
RadarSocial
Full-stack real-time social and services platform. Includes mobile app, web, backend, chat, maps, calls, BLE, monetization, and admin panel. Available for licensing, partnership, or commercial deployment.
SG Copilot CRM
Full-stack SaaS CRM with AI, subscription billing, plan limits, smart documents, and a Business audit/insights module. Available for licensing, white-label, or commercial deployment for teams, consulting firms, and B2B operations.
SG Booking Pro
Booking SaaS platform for professionals and small businesses.
NutriMVP
Mobile MVP focused on smart grocery shopping: product scanning, nutrition data, price comparison, nearby supermarket maps, smart shopping lists, and suggested routes to buy at the lowest price. Available for product evolution, vertical deployment, or partnership.
SG SaaS Starter
Full-stack starter focused on SaaS and admin dashboards. Available as a digital product on Gumroad and also as an adaptable base for deployments, white-label solutions, or new commercial products.
Services Marketplace
Mobile solution designed to connect clients, providers, and admin workflows in a single operation. Includes requests, real-time chat, map, history, reviews, and admin dashboard. Available for commercial deployment and vertical adaptation.
Interactive Kiosk / Museum
Interactive system for cultural, educational, or institutional spaces. It can be adapted as an exhibition, consultation, and immersive experience solution for projects with specific content and operational requirements.
PlayDuel
Real-time 1v1 duel platform with lobby, competitive games, chat, ranking, history, and demo balance. It can evolve into tournaments, real wallet, subscriptions, white-label, or a competitive gaming model by vertical.
If you are interested in licensing one of these products, implementing it for your organization, or exploring a partnership, feel free to contact me to receive a commercial one-pager, scope proposal, or collaboration option.
Proceso
Work process
A simple and structured way to turn an idea into a functional, scalable, production-ready solution.
1. Discovery
We analyze the idea, goals, users, scope, priorities, and business model.
2. Architecture
We define the technical structure: frontend, backend, database, integrations, and deployment.
3. Development
We build the solution in stages, validating progress and prioritizing what creates the most value.
4. Launch
We publish, test, adjust, and leave the foundation ready for support, improvements, or commercial evolution.
Portfolio profesional
Professional background
Previous background in technology consulting, banking, public sector, IT support, internal systems, reporting, ERP/CRM, and web development.
Tech consulting (client in banking sector) · Montevideo, Uruguay
Systems / Functional Analyst · IT Support (On-site)
- Functional/technical point of contact for CRM/ERP modules (Procurement and HR) within the Development area.
- Direct collaboration with end users and internal bank teams: requirements, tracking and post-production support.
- Coordination with vendors and stakeholders for analysis, incident resolution and iterative improvements.
- System integrations and middleware work + automation for daily operational flows (logs, processes, deposits).
- Automation with Control-M: reduced recurring manual tasks and operational errors.
- Reporting/BI: business reports and dashboards (SQL/Oracle + Power BI/Excel) integrating sources (banking/CRM/ERP).
- Operational documents/reports (Java + Oracle + JasperReports) supporting internal processes.
- Agile delivery (Scrum) and tracking tools (JIRA).
Public sector agency (Registry) · Montevideo, Uruguay
Web Design & Development · IT Help Desk Support (On-site)
- On-site IT support for internal users: maintenance, incident handling, and operational assistance.
- Built and supported internal applications and iterative improvements.
- Web design & maintenance (HTML/CSS/JS + PHP/WordPress) for internal sites/modules.
- Reporting and documentation: JasperReports/Jaspersoft Studio for business needs.
- ERP: Odoo module development and integrations with Oracle database.
Software factory (web projects) · Montevideo, Uruguay
Web Design & Development · Full-Stack Java Developer
- Built web applications with Java (Servlet/JSP) and front-end (JS/CSS/HTML).
- Implemented solutions using Play Framework and classic Java stack (Hibernate/Maven/Tomcat).
- Worked iteratively with an agile mindset (Scrum) and dev tooling (Eclipse).
Perfil personal
Technical profile
Personal technical experience behind the studio: full-stack development, mobile, backend, real-time features, integrations, and production deployments.
Web Frontend
- Next.js (App Router)
- React + TypeScript
- Responsive UI + technical SEO
- OpenGraph / metadata
Mobile (RadarSocial)
- React Native (Android)
- Real-time chat (Socket.IO)
- Audio/Video calls (WebRTC)
- Stickers + rich media
- Maps + geolocation
- FCM/Notifee (push)
- IAP (Google Play)
Backend & Infra
- Node.js / Express
- JWT auth
- MongoDB
- REST APIs
- Cloudinary / Firebase Storage
- Deploy: Vercel + Cloudflare
Stack profesional
Tools and technologies
Technologies used in real products, commercial platforms, mobile apps, dashboards, integrations, and production deployments.
Disponibilidad
Available for new projects
I work with companies, startups, institutions, and proprietary projects that need to build, improve, or scale digital solutions: web, mobile, backend, SaaS, dashboards, integrations, and commercial products.
- Available for freelance projects and digital product development.
- Open to employment opportunities with local companies in Uruguay.
- Experience combining business, product, software development, and application support.
- Flexible for remote, hybrid, or on-site arrangements depending on the company or project.
FAQ
FAQ
Quick answers for companies, startups, or organizations evaluating a digital solution.
📅 Schedule
Book an intro meeting
We can talk for 15 minutes about your project, idea, MVP, app, SaaS, website, or a possible work opportunity.
Software Studio
Have an idea, company, or product to build?
I can help turn an idea into a real solution: from a professional website or mobile app to a SaaS platform, internal system, marketplace, or product ready to commercialize.
Contacto comercial
Let’s talk about your project
Tell me what you want to build, improve, or launch. It can be a website, mobile app, SaaS, internal system, marketplace, dashboard, or a custom solution for your company.


