Foto de perfil de Calil Sousa Mattos

CALIL SOUSA MATTOS

Software Engineer

I create digital products such as systems, online stores, landing pages, websites, and apps, with a focus on experiences centered on people.

Services

Front-end

FRONT-END DEVELOPER

It works by developing the interface (application screens), all the high-level logic of the application such as login, local data persistence, makes access to the endpoints that the webservice provides and shows everything to the user.

Back-end

BACK-END DEVELOPER

It works in the back-end in charge of planning, building, implementing and maintaining the technological structure that constitutes the basis of a website. Without this work, nothing on the internet can work, since everything is integrated into the mechanism connected to the servers.

Sistemas

SYSTEMS DEVELOPER

Creation of Systems and ERP's, fully customized. It assists the company's manager in improving internal processes and integrating the activities of different sectors, such as sales, finance, inventory, and human resources. The result is access to valuable insights that contribute to sound decision-making.

Aplicativos

APP DEVELOPER

It programs, codes, and tests on Android and iOS platforms. Performs the maintenance of the systems, making any necessary corrections, in order to meet the needs of the users. Develops assembly, debugging and testing of programs, performing maintenance services on the programs already developed.

Sites e hotsites

Site & Hotsite Developer

Developer of Websites and Hotsites, using the best practices and technologies. With Professional and Responsive Layout, and with all the features and needs of the client.

Landing pages

LANDING PAGE DEVELOPER

A Landing Page is a page that has all the elements aimed at converting the visitor into a Lead, Opportunity or Customer. Also known as landing pages or conversion pages, Landing Pages are widely used in Digital Marketing campaigns, as they usually have high conversion rates.

UI e UX

UI | UX

UI Design has as its main focus the interface of a particular application or website, UX Design observes this and other aspects, ranging from the path that a user takes to reach their final goal to previous experiences that a person has had with that product or service, which can have an impact.

SEO

SEO

Positioning websites through certain keywords on the first page of search engines (Google, Bing, Yahoo, etc.), applying complex and feasible strategies to adapt to search engine algorithms.

DevSecOps

DEVSECOPS SPECIALIST

Integrates security practices (Security) into software development (Development) and IT operations (Operations). Its mission is to ensure that security is incorporated into all phases of the software development life cycle (SDLC), promoting a collaborative approach to delivering robust, efficient systems that are protected against cyber threats.

Skills

FRONT-END

HTML5
CSS3
JavaScript
TypeScript
Redux
Redux
React
React
Next.js
Tailwind CSS
Bootstrap
Bootstrap
Material UI
Material UI
Material Design
Material Design
Zustand
Context API
React Query

DATABASE

MySQL
PostgreSQL
MongoDB
TypeORM
Type ORM
Prisma
Sequelize
Mongoose
Firebase
Hibernate
Redis

BACK-END

REST API
Node.js
Express
NestJS
Java
Spring Boot
WebSockets
Socket.IO
GraphQL

MOBILE DEVELOPMENT

React Native
Expo
React Navigation

RELATED TECHNOLOGIES

Prototyping
Prototyping
Usability
Usability
Accessibility
Accessibility
Figma
Figma
GitHub
Github
Photoshop
Photoshop
Linux
Notion
Notion
Lucidchart
npm
Yarn
Yarn
Jest
Jest
Google Cloud
AWS
Vercel
Heroku
Docker
Postman
JUnit
Maven
Swagger
Swagger
Python
Ansible
GitLab
SonarQube
Jenkins
Kubernetes
Rancher
OpenAI API
Gemini
Claude
Apache Kafka
RabbitMQ
GitHub Actions
GitLab CI
Cypress
Playwright
React Testing Library
Datadog
Prometheus
Grafana
Render

Portfolio

Contact Us:

contatocsmpm@gmail.comLinkedInGitHub