hi, I am

Cleison Freitas

Full Stack Developer

experiences

10+

project done

40+

happy clients

service

Fullstack development services focused on building scalable, high-performance digital solutions.

Custom Website Development

Complete development of websites, combining modern visual interfaces with robust backend systems, tailored to the specific needs of each business.

API Development and Integration

Creation of efficient RESTful and GraphQL APIs, as well as integration with external services such as payment platforms, CRMs, and custom systems.

E-commerce Solutions

Deployment of full-featured online stores, including shopping carts, payment gateway integration (Stripe, PayPal, MercadoPago), product management, and admin dashboards.

SaaS Platform Creation

Development of SaaS (Software as a Service) applications featuring subscription models, user dashboards, administrative areas, and scalable infrastructure.

Landing Pages and Marketing Funnels

Design and development of high-conversion landing pages aligned with digital marketing strategies, lead capture systems, and CRM or database integrations.

Web Application Maintenance and Optimization

Ongoing maintenance services, performance optimization, and security updates to ensure the quality, security, and continuous improvement of digital applications.

My software developer journey

How my responsibilities and technical mindset evolved over time.

Enterprise systems & APIs

Worked on internal systems, complex business rules, and API-driven integrations that support real-world operations.

Scalability & architecture

Focused on refactoring legacy systems, applying SOLID principles, DDD concepts, and improving performance and maintainability.

Cloud & ownership

Designed and maintained cloud-based solutions, taking ownership of critical services and CI/CD pipelines.

Stack

Laravel

Next Js

React

Vue Js

Typescript

Tailwind Css

React Native

Flutter

Postgres

MySQL

MongoDB

AWS

Oracle

Firebase

portfolio

Delivery page — Delivery landing page
gallery

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Cleison Freitas

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cleison.npi@gmail.com

+55 85 98698-6581

Design inspired by @mahmood.fazile UI/UX designer