Higor Cerqueira Dos Santos

Experience

• 

  UNESP - Universidade Estadual Paulista "Júlio de Mesquita Filho"

  Jan 2013 - Jan 2014

  Data Analyst

  ● Worked on the analysis of specific fungal strains, examining the proteins and their functions in relation to the genome of the fungus;● Primarily used Python and MATLAB for these analyses.Skills: Python

• 

  EFX Projetos

  Jun 2020 - Feb 2021

  Back End Developer

  ● Responsible for the management, planning, and implementation of a web system for managing visits and engineering services, overseeing the schedules in coordination with the client.Key languages/tools/technologies used: React, React Native, Node.js, PHP.Key achievements/projects: (1) Complete development of the project in Node.js, after which the project was transitioned to PHP. (2) Understanding and implementation of the proposed business rules. (3) Refactoring of the code to PHP.Skills: CSS, MySQL, Object-oriented programming (OOP), PHP, Linux, REST API, HTML. Show less

• 

  Codee.Tech

  Jun 2021 - Aug 2022

  Back End Developer

  ● Involved in the development of mobile applications and systems/software, ensuring all activities are conducted in accordance with the norms, policies, and guidelines established by the company.● Technology project management, conducting requirements gathering with stakeholders for the development of new solutions and monitoring schedules at all stages.● Creation of dynamic and responsive websites using modern web technologies like HTML5, CSS3, and JavaScript, ensuring expertise in popular frameworks such as React.js and Angular, as well as languages like TypeScript, PHP, and WordPress.● Analysis and mapping of processes, as well as risk analysis, assessment, and management, aiming to contribute to the continuous improvement of operational workflows relevant to the sector.● Keeping up with the latest trends and updates in the field of web development, ensuring the application of best practices and the delivery of high-quality solutions.● Database management using SQL and NoSQL solutions, ensuring efficient data storage and retrieval for applications.Key languages/tools/technologies used: HTML, CSS, JavaScript, TypeScript, Flutter, C#, Angular, React, React Native, Node.js, PostgreSQL, MongoDB.Key achievements/projects: (1) Introduction of Flutter in the company. (2) Implementation of CI/CD. (3) Complete refactoring of a project, transitioning from C# to TypeScript, implementing unit tests, and utilizing Hasura.Skills: Git, React.js, Object-oriented programming (OOP), Docker, Linux, REST API, .NET Framework. Show less

• 

  Higor Santos Desenvolvimento

  Jan 2023 - now

  ● This was my first experience as a Freelancer in website development.Projects:● Refactoring of poor UI and bootstrap for websites;● Enhancing performance through code quality tools;● Fixing major and minor bugs reported by users, integrating APIs, and creating new modules - such as implementing a shopping cart, email sender, and content management;● SEO: Implementation of tags and scripts for Analytics.● Technologies: HTML5, CSS3, JavaScript, React.js or Angular, PHP, Wordpress● Web Development: Building dynamic and responsive websites using modern web technologies like HTML5, CSS3, JavaScript, and frameworks such as React.js or Angular, PHP, and Wordpress, Ruby on Rails.● Mobile App Development: Developing native or hybrid mobile applications for iOS and Android platforms using languages like Angular, React Native, .Net, Java + Spring Boot, Node.js, .NET, Typescript. Also responsible for publishing the apps on the App Store and Play Store.● Database Management: Designing and optimizing databases using SQL or NoSQL solutions, ensuring efficient data storage and retrieval for applications.● E-commerce Solutions: Developing custom e-commerce platforms, integrating payment gateways, and enhancing user experience with secure and intuitive interfaces.● API Integration: Integrating third-party APIs, allowing seamless communication between different systems and services.● Software Development: Capable of creating robust and scalable software solutions, following industry best practices and employing agile methodologies.Optimization and Automation Scripts: Advanced development of scripts for process optimization and automation, including the creation of web scrapers, chatbots, and data extraction systems.Skills: Git, React.js, Node.js, PHP, Linux, REST API, HTML, CSS, C#, .NET Core, NestJS. Show less ● Responsible for developing responsive front-end interfaces for mobile applications, utilizing the latest best practices and technologies.● Employed agile methodologies, such as Scrum, for process mapping and analysis, testing, failure analysis, and corrective action planning, contributing to the continuous improvement of operational workflows.● Generated APK files (Android Package) for the distribution and deployment of mobile apps, aiding in the resolution of major and minor bugs reported by users, integration with APIs, and the development of new modules.● Implemented unit tests to ensure the quality and robustness of operations.● Developed applications using technologies like React Native, Redux, TypeScript, Node.js, and MongoDB, with expertise in cloud services, Microsoft Azure, and microservices architecture.Key achievements/projects include: (1) Development of the front-end and application of SOLID principles in React Native, along with testing. (2) Infrastructure development for the mobile front-end at HUP. (3) Application of best programming practices such as clean architecture. (4) Utilization of unit testing. (5) Contributions to integrations and aiding in the understanding of business rules within the company. Show less

  • Back End Developer

    Oct 2018 - now

  • Full Stack Engineer

    Jan 2023 - Jun 2023
• 

  RXCT

  Aug 2023 - Feb 2024

  Back End Developer

  ● Responsible for developing the software architecture for both backend services and frontend interfaces.● In charge of implementing the project's infrastructure using technologies such as Docker, Nginx, Kubernetes, and managing application deployments.● Designed and modeled databases for both SQL and NoSQL, specifically working with MySQL, SQLServer, and MongoDB.● Developed data extractors using time series database technologies, utilizing InfluxDB to aggregate data over time intervals. Also implemented queue structures to collect data from an SQL Server database, transmitting specific data to InfluxDB and other data to MongoDB using Python for data processing and statistical analysis.● Developed APIs using Node.js, Nest.js, TypeScript, and integrating both NoSQL and SQL databases.● Utilized Git for version control and collaborative team work. Show less

• 

  Cadmus Soluções em TI

  Nov 2024 - now

  Desenvolvedor de back end