Willian D.
Back-end and Systems Engineer

Skills

Node.js

Spring Boot

Sql

Java

Mysql

Mongodb

Amazon Aws

Docker Cloud

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Bio

Back End Java Developer with over two years of experience in creating innovative technological solutions. Holds a Bachelor's degree in Computer Science and possesses extensive knowledge in the field.

Java Back End Developer
12/1/2022 - 10/1/2023

Developed advanced proficiency in Java, Spring Boot, JavaScript, and NodeJS for creating high-performance APIs. Conducted rigorous API testing using Postman to ensure product efficacy. Led data management and manipulation in MongoDB and SQL Server environments, optimizing operational efficiency. Utilized agile methodologies including Scrum and Kanban to ensure efficient project delivery, while using JIRA for effective task monitoring and team alignment. Employed Git, CodeCommit, and AWS CodePipeline for secure collaboration and version control.
Junior Java Developer
1/1/2022 - 12/1/2022

Developed proficiency in Java programming with a strong focus on frameworks such as Spring Boot, Apache POI, Lombok, and Jasypt. Gained rewarding experience in microservices architecture. Emphasized code excellence through meticulous unit testing with JUnit and the application of solid Object-Oriented Programming (OOP) principles, while integrating the MVC standard seamlessly. Managed and optimized database tables using Oracle Developer and SQLDBX, facilitating agile and effective queries and modifications.
Application Development Analyst Junior
5/1/2021 - 12/1/2021

Contributed to pivotal projects in the telecommunications sector, utilizing the .NET framework (C# and .NET) to develop Windows Forms applications. Applied robust principles of Object-Oriented Programming (OOP) and the MVC pattern. Actively participated as an interim leader in several projects, leveraging extensive understanding of business rules. Implemented agile methodologies including Scrum and Kanban to optimize the development cycle. Integrated Azure DevOps CI/CD for cloud-based automation and orchestration of deliveries, resulting in effective management of Product Backlog Items (PBIs) and comprehensive project monitoring.
IT Internship
7/1/2017 - 12/1/2017

Acquired specialized technical expertise in providing focused support, network installation, and deploying computer and software solutions. Developed proficiency in hardware and software diagnostics, delivering precise guidance for performance optimization. Demonstrated strong capabilities in offering efficient user support, ensuring technology was used effectively.