• ERP software development for a transportation and logistics company. • Development of backend endpoints and services using Java Spring for new functionalities in the logistics software. • Development of new modules and functionalities in the frontend user interface with UI/UX design using REACT JS and Next JS. • Development and use of microservices for different backend modules using Java and AWS. • Implementation of new tables and queries in the PostgreSQL database. • Migration and updating of code and modules to adapt them to the new logic requested. • Unit, integration, and end-to-end testing in both the backend and frontend. Integration with new features using CI/CD pipelines. • Use of AI models Anthropic Claude Code, OpenAI ChatGPT and Google Gemini to help with development. • Coordination with the client for the implementation of requested functionalities. • Technologies used: JavaScript, TypeScrip, REACT JS, Next JS, Java, Spring Boot, Material Design, Postgre SQL, Docker, Kanban, Git and Github.

• Development of Java backend software for managing resources in networks using APIs from various equipment manufacturers. • Development of frontend software for handling queries, searches, and resource management by company users using React and Next as a framework. • Maintenance, optimization, and troubleshooting of Oracle database queries. • User support for implementing new features and resolving bugs. Integration with new features using CI/CD pipelines. • Technologies used: JavaScript, React JS, tailwind, Bootstrap, Oracle Databases, PL/SQL Oracle, Java SpringBoot, Scrum.

• Software development across six different projects. • Development of web interfaces with scalable UI/UX designs, prioritizing user interaction and efficient resource management in communication with both internal and third-party backends using different frameworks like React JS and Angular. • Development of controllers, validators, entities, business logic, and communication with third-party resources in the backend using different languages and frameworks, prioritizing efficient resource usage and optimized responses to frontend requests with REST, SOAP, and GraphQL APIs using different frameworks like Java Spring Boot and Node JS. • Design, implementation, and maintenance of relational and non-relational databases to efficiently store and retrieve information based on project needs. • Unit, integration, end-to-end, stress, and performance testing at different stages of development to ensure software quality and functionality. Experience with Agile Scrum methodologies. • Technologies used: React JS, Angular, TypesScript, tailwind, Bootstrap, Next, Java Springboot, Nest JS, Postgres Sql, Mongo DB, React Native, Selenium, Scrum Git and Github.

• Software development across three different projects involving frontend, backend and mobile development. • Frontend development of web interfaces using vanila JavaScript and frameworks like Angular. • Development of Android and cross-platform mobile applications using techniques such as mobile-first and UI/UX. Backend development in one project using Java and PHP for Rest webservices. • Design, implementation, and maintenance of relational databases to efficiently store and retrieve information based on project needs. • Technologies used: JavaScript, CSS, Bootstrap, Java, Android Studio, SQL Server, Kanban, Git and GitHub.