Leonardo Souza Email & Phone Number

Niterói, RJ, BR

Rio De Janeiro, Brazil

• Collaborated with cross-functional teams, including business analysts, product owners, and developers, to deliver a new system for São Paulo's public sector, optimizing online registration for the city's public.
• In my recent role, I contributed to maintaining two distinct web applications, both of which I contributed to in terms of development and deployment.
• One of the applications was designed to enable the population to register online for schools within São Paulo's public education system. The other supports recent public school teachers to choose what school to start.

Rio De Janeiro, Brazil

• Has been conducting research on multimodal generative models that integrate computer vision and LLMs.
• Performed fine-tuning with articulated noise in the images on an open-source multimodal model, inspired by GPT-4 and composed of Vision Transformers (ViT) and Vicuna/Llama.
• Has been investigating ways to increase the resilience of a multimodal generative model to visual attacks, through fine-tuning and intervention in the decoder responsible for the output generated for the user.
• Explored datasets such as VQA and VQAv2 to evaluate the performance of multimodal tasks.Research has been conducting with Python language and PyTorch framework.
• Research has been conducting with Python language and PyTorch framework.

Rio De Janeiro, Brazil

• Collaborated with cross-functional teams, including business analysts, product owners, and developers, to deliver a new system for São Paulo's public sector, optimizing online registration for the city's public.
• Developed frontend features using ASP.NET MVC, enhancing user experience and integrating Google Maps API to provide location-based school registration.
• Contributed to the development of an online platform that allows citizens to register for public schools in São Paulo, improving accessibility of the enrollment process.
• Worked within an agile development environment, contributing to planning, backlog, and with team members to meet project deadlines.

Minas Gerais, Brazil

• Developed some features to integrate VTEX, a commerce platform with RIACHUELO marketplace and let both companies and small business synchronized
• Implemented new features using.NET Core and C#, leveraging their capabilities for robust and scalable application development.
• Developed new some features and services with microservices and others with servless archiecture, enabling data exchange between partners.
• Utilized Azure Service Bus with a topic and subscription model, enabling efficient message-based communication between distributed components of the system.
• Serverless with Azure Functions
• Leveraged the ELK Stack (Elasticsearch, Logstash, Kibana) to monitor system log and behavior, gaining insights in the application’s performance and identifying potential issues

Rio De Janeiro Area, Brazil

• Contributed to maintaining systems (web application) utilized by small businesses in the USA for online money transfers to both domestic and international locations.
• Implemented anti-fraud and compliance features that automated the release of hold payments, resulting in a significance increase in productivity for departments.
• Collaborated on the development of integration capabilities to enable money transfers from the USA to multiple countries across Asia, Africa, Europe and South America.
• Developed and maintained the import of daily payments as requested by finance department. It was a important task to consolidate money transferring made by customers.
• Requested features were created using traditional.NET or.NET Core with Angular as frontend. Entity Framework was used for database integration.
• Worked on the company's legacy system that was created with classic asp, with access to databases using stored procedures.

Rio De Janeiro

• Collaborated with the development team to create new features for various modules of the company, focusing on selling life insurance products.
• Help the company ensure compliance with the regulations set by the Brazilian private insurance government agency, enabling product releases to the market.
• Developed new features for a web application in the reinsurance module, enabling management and processing of reinsurance contracts.
• Collaborated with cross-functional teams, including product managers and stakeholders, to gather requirements and ensure the successful implementation of new features.

Rio De Janeiro Area, Brazil

• Collaborated in the development of a new product for truck insurance based on the travel distance, providing a unique and innovative offering to clients.
• Contributed to the maintenance of legacy systems and help create new features for existing products within the company’s department, including car insurance and fleet insurance solutions.
• Leveraged IBM DB2 database to store and retrieve data, ensuring data integrity and efficient that met client needs

Rio De Janeiro Area, Brazil

• Successfully maintained and supported the franchises' system of a preparation school for public tender, ensuring the smooth functioning of critical operations.
• Utilized C# and ASP.NET to develop and enhance web and intranet applications, delivering efficient and user-friendly solutions.
• Worked with an older style of MVC solution, employing three classic layers and utilizing ADO.NET for data access, maintaining and enhancing functionality within this framework.
• Collaborated closely with requirements analysts and the development team, actively participating in meetings to better understand project demands and ensure effective

Rio De Janeiro Area, Brazil

• Collaborated closely with the PDS (Plant Design System) engineering team to gather information about materials and identify buying demands, ensuring efficient procurement processes and timely availability of materials.
• Developed a web application, as per the engineering team's request, to display and download clash reports highlighting potential conflicts between disciplines such as telecom, electric, and pipeline. This application.
• Created schedules to gather information about pipelines and other structures, ensuring accurate project planning and seamless coordination among various teams.

Master'S Degree, Information Systems, Artificial Intelligence(Deep Learning)

As a master's candidate at Universidade Federal do Estado do Rio de Janeiro (UNIRIO), my research focuses on the secutiry of AI models.

Data Science & Big Data Analytics

Activities and Societies: Linux Hadoop ecosystem R Language Python System Support Decision Analytic Project Advanced Technologies Advanced.

System Analyst, Information Technology, System Analyst

Activities and Societies: Programming Languages, UML, Desktop and web development, SQL, Data Base Modeling and management, project.