Strong coding and debugging skills with extensive experience in developing scalable web applications using Node.js and TypeScript.Deep usage of many AWS services, such as AWS EC2, AWS S3, AWS RDS and AWS SQS.Efficiently handling and process large datasets and processing massive and dealing with massive payment processing on gateways.Managing queues in Redis, PostgreSQL relational databases and MongoDB non-relational databases. I am also responsible for managing and created the entire infrastructure in AWS.Increased code deployment frequency by 25%, enhancing product delivery timelines.Oversaw the development of a platform handling more than 10 million transactional requests monthly.Enhanced system security, leading to zero breaches by conducting regular audits and updates.

Managed, developed, and maintained multiple systems across various technology stacks, delivering tailored solutions to diverse clients and industries.Led the development of enterprise-level applications using C# and .NET, implementing complex backend logic, optimizing database queries with SQL Server, and enhancing system performance through multi-threading and asynchronous programming techniques.Delivered full-stack web applications with JavaScript, integrating Node.js for backend services and React for frontend, improving overall responsiveness and user experience.Architected and implemented scalable services with TypeScript and NestJS, focusing on API design and real-time data processing with Redis and WebSockets.Built and maintained data-driven applications using Ruby on Rails, optimizing ActiveRecord queries and enhancing the application with RESTful APIs.Developed and deployed low-level, high-performance services in Rust and Lua, focusing on system optimization, memory management, and integration with existing services.Oversaw end-to-end project management, from initial scoping and architecture design to deployment and post-launch support, ensuring timely delivery and client satisfaction.

Developed and integrated microservices architecture using Node.js and NestJS, enhancing modularity and scalability of the applications.Managed message queues with Kafka and SQS, orchestrating real-time data processing and efficiently handling high-throughput tasks.Leveraged Docker and Kubernetes for containerization and orchestration, ensuring scalable and flexible deployment across multiple environments.Implemented CI/CD pipelines using AWS CodePipeline and AWS ECS, reducing deployment times and improving automation workflows.Designed and maintained distributed systems with high availability, optimizing performance and ensuring low-latency event processing.Automated infrastructure provisioning and management using AWS CloudFormation, increasing consistency and efficiency in production environments.Built and maintained frontend components using Angular and React, ensuring a good UI and user experience and responsive design.

Senior Software Development with NodeJS and Ruby on Rails

Contracted to rewrite the entire eCommerce platform for a supplement sales company, enhancing its performance, scalability, and user experience.Utilized React for frontend development, delivering a responsive, fast, and user-friendly interface that improved customer engagement and retention.Developed the backend using AdonisJS, building a robust and scalable API that handled increased traffic and streamlined order processing.Managed MySQL databases to efficiently store and retrieve product data, customer information, and transaction records, ensuring data integrity and quick access times.Deployed and maintained the platform on Heroku, optimizing the infrastructure for seamless scalability during high-traffic events, such as promotional campaigns.Integrated analytics tools to track user behavior and sales metrics, enabling data-driven decisions for marketing and inventory management.Implemented performance optimizations that reduced page load times, resulting in higher conversion rates and an overall smoother shopping experience.

• Development of an app for plant seed producers, featuring stock, buy and sell operations, customer management, and delivery tracking using React, Redux, Node.js, and PostgreSQL.• Development of an Al-powered customer service system for big companies, which uses neural networks to manage service tickets and agents based on important data from user interaction, such as mood and satisfaction.• Dockerized a complex development environment, substantially speeding up both onboarding and daily routines for front-end engineers.

Participated in a short-term engagement, working with Lua, R, and C++ to develop high-performance systems for data analysis and forecasting.Participate on the development of a project focused on mass data analysis for a pharmaceutical industry client, processing large datasets related to production metrics, inventory levels, and sales forecasts.Utilized R for statistical modeling and predictive analytics, identifying trends and generating forecasts to optimize manufacturing and distribution strategies.Developed custom algorithms in C++ to enhance data processing speeds, handling millions of data points to ensure timely and accurate analysis.Integrated Lua scripts to automate data extraction and processing workflows, streamlining data pipelines and improving efficiency.

Gestão do projeto PAE. Modernização dos processos administrativos, para o ambiente digital, de Tocantins.Coordinated the statewide implementation of the Electronic Administrative Process PAE in Tocantins, modernizing administrative workflows across all government bodies.Led a team of public servants in the successful deployment of the SGD platform, replacing traditional paper-based processes with digital solutions.Organized and conducted workshops in all public institutions across Tocantins, ensuring that staff were properly trained for the transition to the new electronic system.Achieved faster processing times for administrative procedures, significantly increasing the agility and responsiveness of public service operations.Realized substantial cost savings by reducing expenses related to printing, document storage, and physical document transportation. Enhanced document security and control, preventing unauthorized access and reducing risks of document loss or theft, while ensuring compliance with state regulations. Improved transparency and tracking of process status, enabling real-time monitoring and facilitating quicker resolution of administrative procedures.Strengthened public service delivery by modernizing the government's administrative infrastructure, leading to higher productivity and better service for citizens.