Website and conversionPublished
Heron Belluzzi · Senior Full-Stack Software Engineer
Websites, AI agents and automation — from idea to production.
I help companies attract customers, improve service and organize operations with websites, AI agents, systems and automation, covering planning, development, integrations, launch and evolution.
Contract projects across Brazil · Open to selected remote opportunities
Solutions
Technology applied to your company’s next step.
Start with a clear need and evolve the solution as the business grows — always working directly with the person who designs and builds it.
Attract
Websites and landing pages
Professional web experiences that present your company, build trust and turn visits into qualified contacts.
- Responsive and accessible design
- SEO, analytics and performance
- Forms, WhatsApp and integrations
Serve
AI agents and chatbots
Business-connected service that answers, qualifies leads, books appointments and executes the next step.
- Website and WhatsApp agents
- Company knowledge base
- Actions, integrations and human handoff
Operate
Systems and automation
Custom dashboards, portals and workflows that reduce manual tasks and organize operations.
- Web systems and private areas
- APIs and integrations
- Automation and infrastructure
Already have a product or system?
Technical consulting and evolution
Diagnostics, architecture, performance, security, applied AI and modernization for systems that need to move forward safely.
Selected projects
Digital products that make capability visible.
A selection spanning digital presence, intelligent service, automation and complete web products.
AI agent and digital productIn implementation
APP DS
A health application combining guidance, calendar, payments, notifications and a context-aware assistant.
Role
Architecture, product and full-stack development
Delivery
Functional product currently under implementation and validation.
Next.jsTypeScriptRAGWhatsApp
Automation and AIIndependent product
CustomNews
Automated curation platform that turns content sources into personalized newsletters.
Role
Product, backend, AI and infrastructure
Delivery
AI pipeline, queue processing and newsletter delivery developed.
ReactNode.jsMySQLBullMQ
Web system and SaaSPrivate operation
Flux Planner
A tool that turns a software idea into a structured and visual architecture plan.
Role
Product and full-stack development
Delivery
Complete web product with a conversational interface and interactive canvas.
ReactTypeScriptNode.jsAI
Direct collaboration
Seniority without layers between the conversation and the code.
You work directly with the person who understands the problem, designs the solution, builds, integrates, launches and supports its evolution.
01
Product perspective
The solution starts with the business objective, not with a technology chosen before the problem.
02
End-to-end ownership
Frontend, backend, integrations, infrastructure and launch are part of the same engineering process.
03
Production experience
Technical decisions consider operation, security, maintenance and growth from the beginning.
04
Continuous evolution
The project can keep evolving after its first release without losing context.
How it works
A clear process from the first diagnosis to ongoing evolution.
Each stage reduces uncertainty and keeps business, experience and technology decisions aligned.
01
Diagnosis
Understanding the objective, audience, current process, constraints and expected outcome.
02
Proposal
Scope, priorities, deliverables and working model defined before development.
03
Development
Implementation with validation cycles, testing and visibility into progress.
04
Launch and evolution
Deployment, integrations, follow-up and next steps that keep the product useful.
IA
AI assistance, human technical accountability
I use internal automation and agents to accelerate research, tests and documentation while keeping architecture, implementation and technical review under my responsibility.
Experience
More than ten years building and operating software.
My background combines full-stack development, independent products, online operations and AI integration — from interface to infrastructure.
See full experienceAt a glance
- Products and platforms built from zero to operation
- Experience with React, Next.js, Node.js, databases and infrastructure
- Work across applied AI, automation, integrations and real-time systems
- Direct communication with product, business and technical teams
Open to contract projects and selected remote opportunities
Frequently asked questions
What usually comes up before we start.
What types of websites do you build?+
Business websites, landing pages, portals and custom web experiences. Scope can include content strategy, technical SEO, analytics, forms and integrations.
Can the AI agent work on WhatsApp?+
Yes. Depending on the need, it can work as an intelligent chatbot on WhatsApp or the website, connected to people, calendars, CRM and other company systems.
Do you handle hosting, domain and launch?+
I can guide or execute technical setup, deployment, HTTPS, domain, monitoring and the integrations required by the project.
Can the project keep evolving after delivery?+
Yes. We can organize maintenance and continuous evolution or plan new phases according to results and company priorities.
How is the proposal defined?+
I first understand goals, scope, integrations, timeline and constraints. The proposal describes deliverables and the working model rather than applying one generic price to different needs.
Contact
Tell me what your company needs to put in motion.
Send a summary through WhatsApp or email. The first conversation is for understanding the objective and identifying the best next step.