I contributed to a key project at Tata Consultancy Services for Bradesco, Brazil’s second-largest private bank. My main contributions included:• Designed and implemented new features that enhanced user experience and operational efficiency, consistently meeting tight deadlines.• Ensured code quality through static analysis with SonarQube, achieving 90%+ test coverage with Jest for reliable software delivery.• Used established CI/CD pipelines with Bamboo to facilitate deployment processes, reducing delivery times by 30% and increasing system stability.• Collaborated in Agile teams, leveraging Scrum methodologies to drive iterative development and cross-functional alignment.

Transitioned from foundational technical knowledge to contributing to large-scale projects. Responsibilities included:• Developed and maintained application features with Java, Angular, and TypeScript to meet client requirements.• Reproduced layouts from prototypes, collaborating with marketing and product teams to deliver interfaces aligned with design standards.• Used CI/CD pipelines in Bamboo to support deployment processes and ensure integration of application updates.• Designed and tested APIs with Java Spring Boot, focusing on scalability and reliability.• Participated in Agile processes, assisting in sprint planning and prioritization to ensure timely and high-quality delivery.

Solidified foundations in software development and gained hands-on experience in professional environments. Key achievements included:• Assisted in software development, participating in all phases of the development lifecycle, from requirements gathering to deployment.• Engaged in technical training on Java, programming logic, databases, and web development, strengthening technical skills.• Supported bug resolution and continuous improvements, improving the stability and performance of existing applications.• Collaborated with marketing and product teams to understand prototypes and translate layouts into functional interfaces.• Developed an HR position management system using Java, Spring Boot, and Thymeleaf, streamlining recruitment processes and increasing operational efficiency.• Participated in QA training programs, gaining insights into testing processes, strategies, and tools, which improved the ability to write testable and maintainable code.

Collaborated in a small team to develop and deploy a mobile application aimed at increasing revenue for convenience stores and fostering customer loyalty within a gas station network. Key responsibilities included:• Conducting client meetings to gather requirements and understand business needs, translating them into actionable features.• Designing prototypes and workflows to ensure the application aligned with client expectations and provided an optimal user experience.• Developing the mobile application using React Native for the front end and Nest.js for the back end, delivering a complete and scalable solution.• Iterating on features and incorporating client feedback throughout the development lifecycle to ensure project success.• Publishing the application on major app stores (Google Play and App Store), ensuring availability and accessibility for end-users.

Provided technical support and network solutions for residential and business clients, focusing on ensuring seamless connectivity and delivering excellent customer service. Key responsibilities and achievements included:• Installed and maintained network infrastructure via radio and fiber optics, ensuring high-quality service delivery to end-users.• Configured and optimized network equipment, including wireless routers, switches, and modems, tailored to client needs.• Advised clients on technical issues, providing clear instructions to resolve equipment-related problems and improve user experience.• Conducted customer training, offering practical guidance on internet usage, wireless network functionality, and troubleshooting common issues.• Performed technology migrations, upgrading outdated systems to modern fiber-to-the-home (FTTH) solutions to enhance reliability and speed.• Enhanced client communication skills, building trust and ensuring client satisfaction through effective problem-solving and clear explanations of technical concepts.• Executed fiber optic splicing (fusions), ensuring accurate and reliable connections in fiber networks.