Alex S.

Full-stack Product Engineer

Java Developer
1/1/2021 - Present

Designed and implemented scalable web applications using Django and Flask frameworks, leading to a significant reduction in development time and increased efficiency. Excelled in integrating these applications with PostgreSQL and MySQL databases to ensure robust data management and retrieval. Demonstrated adeptness with front-end technologies including React.js and Angular, enabling the creation of dynamic and responsive user interfaces. Deployed and managed applications on cloud platforms such as AWS and Azure, optimizing for performance and reliability. Employed Docker for containerization and Kubernetes for orchestrating microservices, resulting in streamlined deployment processes. Maintained version control and facilitated collaborative development through extensive use of Git and GitHub. Actively engaged in continuous integration/continuous deployment (CI/CD) pipelines using Jenkins, enhancing deployment speed and reducing errors. Worked with RESTful APIs and GraphQL to enable seamless data communication between various services. Enhanced application security and compliance through rigorous testing using Selenium and Jest, implementing best practices for secure coding and data protection. Participated in Agile methodologies, contributing to sprint planning, daily stand-ups, and retrospectives, fostering a collaborative and efficient development environment.

Systems Developer
1/1/2020 - 12/31/2021

During the role, developed proficiency in Java, Python, and C++. Demonstrated expertise in building robust applications using Spring Boot, Hibernate, and Django frameworks. Extensively utilized front-end technologies including Angular, React, and Vue.js to create responsive and dynamic user interfaces. Gained substantial experience with database management systems such as MySQL, PostgreSQL, and MongoDB. Leveraged cloud services including AWS and Azure for deploying scalable solutions. Employed containerization and orchestration tools such as Docker and Kubernetes to streamline application deployment and management. Utilized CI/CD pipelines with Jenkins and GitLab CI to ensure seamless code integration and deployment. Designed and implemented microservices architectures while adhering to best practices in software design patterns. Enhanced application security and compliance by integrating OAuth, JWT, and SSL/TLS protocols. Conducted code reviews and collaborated on agile teams using tools such as JIRA and Confluence to continuously improve code quality and team productivity. Developed strong problem-solving skills and the ability to debug complex issues efficiently.

Service Provider
1/1/2019 - 12/31/2020

Developed proficiency in PHP, Doctrine, and Silex with extensive work on Ext JS 4.2, NodeJS, and Vue.js to enhance front-end and back-end development capabilities. Demonstrated advanced skills in managing databases, particularly in PostgreSQL and MongoDB. Played a key role in ensuring collaborative code maintenance using version control systems, including SVN and Git. Additionally, contributed to the optimization of system performance and reliability through consistent and effective use of these tools and frameworks.

Young Apprentice
1/1/2018 - 12/31/2019

Developed deep expertise in Java, Spring Boot, and Microservices architecture, orchestrating the creation and maintenance of scalable backend systems. Extensive experience with front-end technologies such as Angular and React, leading the development of responsive and dynamic user interfaces. Implemented RESTful web services, enhancing communication between distributed systems. Showcased advanced proficiency in SQL and NoSQL databases, including MySQL and MongoDB, ensuring the optimal performance of data-intensive applications. Leveraged cloud platforms such as AWS, Azure, and Google Cloud for deploying and managing applications, significantly reducing infrastructure costs and improving reliability. Maintained robust version control using Git, streamlining the collaborative development process. Utilized CI/CD pipelines with Jenkins and Docker, automating testing and deployment workflows to increase efficiency and reduce downtime. Employed various Agile methodologies, including Scrum and Kanban, to improve project management and deliver high-quality software within stipulated timelines.

Information Technology at Estácio de Sá University
2020 - 2024