Igor V.

Back-end and Systems Engineer

Java Back-end Developer
8/1/2023 - 2/1/2024

A notable focus on projects within the scope of air bookings led to advanced proficiency in the realm of airline reservation systems. Developed and optimized solutions leveraging PHP and frameworks such as Doctrine and Silex for backend development. Extensively utilized front-end technologies like Ext JS 4.2, Node.js, and Vue.js to enhance user interfaces and improve customer experience. Demonstrated robust skills in database management using PostgreSQL and MongoDB, ensuring data integrity and performance. Employed rigorous version control and collaborative code maintenance practices using SVN and Git, fostering an efficient and collaborative development environment.

Full-Stack Developer
7/1/2022 - 8/1/2023

Developed proficiency in air and hotel reservation systems, solving complex problems and integrating with third-party systems such as airline companies and hotel networks. Contributed to the Zero Energy project aimed at minimizing equipment maintenance incidents within global mining operations and power plants. Leveraged skills in back-end development and mobile application development, particularly for Android, while working on logistics solutions like the GTI PLUG. Demonstrated expertise in integrating systems, enhancing operational efficiency, and developing features across various technical landscapes.

Back-End Java Developer
1/1/2022 - 7/1/2022

Excelled as a back-end developer, Scrum Master, and Tech Leader in a software company specializing in telemedicine, prescription drugs, health insurance applications, and agricultural AI projects for pest identification and treatment guidance. Provided technical guidance and solutions, fostering a self-managing and autonomous team by introducing agile methodologies. Developed and documented back-end tasks based on client requirements for front-end integration, facilitating effective communication and collaboration with front-end teams. Additionally, organized and led testing and validation sessions to ensure product quality and compliance.

Junior Java Back-End Developer
7/1/2021 - 9/1/2021

Developed proficiency in Java 11, specializing in the creation of microservices using Spark Java. Conducted automated API testing utilizing Postman while ensuring robust code quality through unit testing with JUnit and Mockito. Gained extensive experience with MySQL for database management and utilized Google Guice for dependency injection. Demonstrated expertise in JSON processing using Jackson. Managed project dependencies and builds with Gradle and maintained project workflows using Jira. Ensured collaborative code development and version control with Git.

Pedagogical Coordinator
9/2/2018 - 4/2/2019

Achieved excellence in organizing teacher collaboration and improving class structures, leading to the implementation of dynamic learning methodologies. Successfully introduced and implemented new courses, including Smartphone Assembly and Maintenance, Object-Oriented Programming, Mechanical and Architectural AutoCAD, and Website Creation. Demonstrated ability to enhance educational offerings by leveraging innovative teaching strategies and cutting-edge course content.

Computer Instructor
3/2/2017 - 9/2/2018

Instructed over 40 diverse courses to students of various age groups, demonstrating comprehensive teaching capabilities. Gained experience in administrative duties and commercial operations, showcasing versatility and capability in managing multiple facets of educational and business environments.

Computer Science at Estácio de Sá University
2021 - 2026