David Ramos Email & Phone Number

State Of Pernambuco, Brazil

– Two times IBM TOP Performer.– Led a 4-member front-end team for a core client application.– Built a scalable reporting module in Spring Boot using Apache POI, achieving at least a 400% increase in speed compared to similar internal systems– Designed and developed a real-time standalone communication layer using websockets. This layer allowed for wide system integration, which increased overall user productivity by 32%.– Contributed to a devices management project, enhancing the system with advanced techniques such as fast searching (improving search speeds by 21%), intelligent query interpretation, and user-focused features

Recife, Pernambuco, Brasil

– Programmed a real-time notifications microservice using Websockets in Kotlin. The system was robust and supported over 80% more capacity than needed for the project.– Planned the portability of the company’s core business to mobile using React Native. This new application is intended to attract 3,000 new users.– Led the expansion of secure development by identifying critical flaws and proposing effective solutions. These fixes protected 18,000 users from session hijacking.– Made a significant global impact by enhancing the Strateegia.digital app. Contributions included real-time updates, faster interactions, and features like anonymous discussions, benefiting thousands of users worldwide and improving overall engagement. These improvements helped the platform grow from 18,000 to 25,000 users in 10 months

Brasil

– Contributed to developing a mobile app for automatic checkout in supermarkets, using smartphone cameras toverify items and reduce theft during the pandemic. Integrating big data algorithms to track popular items andhelp manage stock levels. This app aims to save checkout time by 50%.– Maintained and standardized a well-established system rewriting 50% of a legacy application to ensure maintainablecode

Recife E Região, Brasil

– Designed a critical system for hiring temporary employees that had been stagnant for years. This web application, implemented in Java and Javascript, simplified the hiring process reducing the time required by 89%.– Established and curated an internal library for the team, resulting in a remarkable 40% increase in development productivity. This utility was responsible for improving our image with clients.– Created an internal system to automate the generation of specification documents saving 8 hours per month for each team member.– Built a REST API that integrated with the client’s legacy system, abstracting complexity for the development team and resolving issues from non-standardized implementations. This solution saved at least 15 hours per month in exploratory tasks for each team member