An owned Android product in development for meals, water, calories, macros, progress and nutrition routines, with smart features running directly on the device.
On-device camera analysis with ML Kit, PT-BR/EN experience, Balyvo Pro structure with Google Play Billing, Gradle and CI/CD.
Main language: Java
Development • Product • Digital experience
I am Lucas Nassuato da Silva, a Full Stack Developer and founder of Nassusinfo. I build websites, web systems, SaaS and CRMs combining engineering, UI/UX, integrations, SEO and deployment.
Full Stack
Frontend, backend, integrations and deployment
SaaS & CRM
Product, dashboards, authentication and data
Mobile-first
Experiences designed for small and large screens
CI/CD
GitHub Actions, Vercel, Render and automation
Nassusinfo Technology Solutions
Code, product thinking and business awareness.
Responsive digital solutions designed to ship, perform and evolve.
Selected work
I present owned products, client work and MVPs without exposing commercial source code, credentials or third-party intellectual property.
Management platform
A web platform built to centralize Nassusinfo digital operations with responsive navigation, authentication and continuous evolution.
Product architecture, desktop/mobile UX, versioning, CI/CD, states and ongoing maintenance.
Sales management
A system for organizing leads, clients, metrics and sales routines in a clear and productive interface.
Dashboards, CRM flows, authentication, data, reusable components and continuous deployment.
Healthcare • Professional website
Institutional website with services, gallery, contact, external booking, WhatsApp and responsive UX.
Credibility, SEO, content structure, perceived performance and lead conversion.
Travel • Digital presence
Travel website with packages, gallery, contact, policies and responsive navigation.
Information architecture, commercial content, responsive design and full website deployment.
Barbershop • Subscription
MVP covering value proposition, subscription plans, payment flow and an initial management structure.
Digital product thinking, UX, monetization, plan structure and payment integration.
What I deliver
I work from diagnosis to launch with clear scope, responsive execution and a foundation that can keep evolving.
Fast, responsive institutional websites with initial SEO and strong commercial presence.
Campaign pages with hierarchy, strong CTAs, speed and conversion focus.
Dashboards, CRMs, admin areas, authentication and custom workflows.
Redesign, visual architecture and consistent desktop/mobile experiences.
APIs, OAuth, payments, forms and WhatsApp to reduce manual work.
Versioning, domains, performance, indexing and post-launch evolution.
Technical stack
Process
Goals, audience, constraints and the real problem before code.
Pages, flows, data and integrations organized before implementation.
Clear, consistent experiences across desktop and mobile.
Components, business rules, integrations, states and error handling.
Responsiveness, links, accessibility, lint, build and critical paths.
Versioning, deployment, domain setup and a maintainable foundation.
Journey
Technical foundation
My foundation came from technical diagnosis, maintenance, networking, software and supporting real users.
Development
I began turning commercial needs into websites, landing pages, integrations and responsive experiences.
Product
I expanded into authentication, dashboards, data, APIs, payments, CI/CD and production delivery.
Today
I combine development, UI/UX, SEO and automation to build clear, fast and useful solutions.
Education
A technology degree in progress, strengthening software, database, frontend and computational thinking fundamentals while I continue building real projects.
In progress • Started in 2026 • 4 semesters
Let’s build something useful
I can help with discovery, development, redesign, integrations or improving an existing codebase.
Freelance projects • Custom development • Web product improvements