Andre Zarlenga Email & Phone Number

Challenge: Contribute to an energy market project at Grupo Delta Energia.Problem: There is a need to develop and deploy scalable and resilient cloud solutions using AWS.Solution: Implement distributed messaging architectures with Kafka to ensure efficient and reliable communication between systems. Develop robust and scalable applications using .NET C#, while maintaining efficient SQL Server databases. Utilize the ELK stack (Elasticsearch, Logstash, Kibana) for log data analysis… Show more Challenge: Contribute to an energy market project at Grupo Delta Energia.Problem: There is a need to develop and deploy scalable and resilient cloud solutions using AWS.Solution: Implement distributed messaging architectures with Kafka to ensure efficient and reliable communication between systems. Develop robust and scalable applications using .NET C#, while maintaining efficient SQL Server databases. Utilize the ELK stack (Elasticsearch, Logstash, Kibana) for log data analysis and visualization, enabling proactive issue detection and informed decision-making. Work with a microservices architecture to create modular and highly scalable systems, facilitating agile development and deployment of new features.Tools: .NET C#, Kafka, Git, SQL Server, ELK (Elasticsearch, Logstash, Kibana), AWS, Microservices, Docker, Kubernetes. Show less

Escócia, Reino Unido

Challenge: Optimized resource allocation for a digital marketing platform developed on .NET and Kubernetes, achieving consistent processing core utilization of 30% during peak periods while maintaining service quality with minimal performance issues. Problem: Processing core utilization varied from 6 to 80 during peak times. Solution: Optimized processing core usage by stabilizing fluctuations from a low of 6% to sustained operational efficiency at peak levels;… Show more Challenge: Optimized resource allocation for a digital marketing platform developed on .NET and Kubernetes, achieving consistent processing core utilization of 30% during peak periods while maintaining service quality with minimal performance issues. Problem: Processing core utilization varied from 6 to 80 during peak times. Solution: Optimized processing core usage by stabilizing fluctuations from a low of 6% to sustained operational efficiency at peak levels; enhanced overall system performance, ensuring uninterrupted service delivery during increased traffic demands. Result: Designed and executed comprehensive strategic planning techniques that achieved a remarkable 92.5% reduction in infrastructure costs, allowing for the reallocation of resources towards pioneering product development initiatives within the organization. Show less

São Paulo, Brasil

Orchestrated strategic planning sessions that pinpointed and resolved the three primary causes of system crashes for the new marketplace platform; findings directly led to improved stability following launch. Challenge: Navigated intricate business rules to develop a mission-critical system, achieving seamless management of over 10,000 concurrent users during peak hours without any service disruptions or downtime. Problem: Navigated complex integration challenges… Show more Orchestrated strategic planning sessions that pinpointed and resolved the three primary causes of system crashes for the new marketplace platform; findings directly led to improved stability following launch. Challenge: Navigated intricate business rules to develop a mission-critical system, achieving seamless management of over 10,000 concurrent users during peak hours without any service disruptions or downtime. Problem: Navigated complex integration challenges with on-premise legacy systems by designing tailored solutions, ensuring seamless data flow while achieving 99.9% uptime during critical operations for a high-traffic marketplace platform. Solution: Designed an innovative solution capable of seamlessly handling upwards of 10,000 diverse user profiles at once while incorporating advanced stability protocols to safeguard against any potential interruptions with existing legacy frameworks. Show less

Mogi Das Cruzes, São Paulo

Directed cross-functional teams through comprehensive development phases, resulting in full deployment within a nine-month timeline while optimizing page load speeds from five seconds to two seconds across all devices. Problem: The existing platform, built with ASP 3.0, faced critical performance and scalability issues, resulting in severe failures during peak sales times. Solution: Executed comprehensive performance evaluations that directly enhanced application… Show more Directed cross-functional teams through comprehensive development phases, resulting in full deployment within a nine-month timeline while optimizing page load speeds from five seconds to two seconds across all devices. Problem: The existing platform, built with ASP 3.0, faced critical performance and scalability issues, resulting in severe failures during peak sales times. Solution: Executed comprehensive performance evaluations that directly enhanced application resilience during peak traffic periods, resulting in page load times decreasing from five seconds to just two seconds for every user interaction. Show less

São Paulo, Brazil

Championed the ongoing maintenance and optimization of legacy financial systems, navigating a challenging environment that favored traditional practices over innovative solutions while ensuring system stability for 1,500+ users. Challenge: Spearheaded enhancements to a decade-old financial system while addressing skills shortages in legacy technology stack; developed training modules that upskilled three junior developers within six weeks. Problem: Diagnosed… Show more Championed the ongoing maintenance and optimization of legacy financial systems, navigating a challenging environment that favored traditional practices over innovative solutions while ensuring system stability for 1,500+ users. Challenge: Spearheaded enhancements to a decade-old financial system while addressing skills shortages in legacy technology stack; developed training modules that upskilled three junior developers within six weeks. Problem: Diagnosed significant gaps in project documentation and technical knowledge, executing a comprehensive overhaul that elevated system comprehension among team members by 60% within three months of implementation. Solution: Conducted a comprehensive analysis of the existing financial system, integrating best development practices that resulted in 30% fewer bugs and enhanced overall code quality across all modules over three months. Achieved a remarkable 30% decrease in system downtime within three months by executing comprehensive operational analyses and integrating industry-leading best practices across all layers of the technology stack. Show less

São Paulo, Brazil

Engineered a scalable email system capable of processing upwards of 5 million messages each week, streamlining the campaign launch process to meet critical timelines and elevating interaction with target demographics. Challenge: Revamped the legacy email process tied to fixed servers through targeted strategies, leading to quicker campaign launches and increasing project throughput by 30% over a six-month period. Problem: Analyzed delivery mechanisms leading to… Show more Engineered a scalable email system capable of processing upwards of 5 million messages each week, streamlining the campaign launch process to meet critical timelines and elevating interaction with target demographics. Challenge: Revamped the legacy email process tied to fixed servers through targeted strategies, leading to quicker campaign launches and increasing project throughput by 30% over a six-month period. Problem: Analyzed delivery mechanisms leading to an increase in leaked emails from campaigns sent via static servers, preventing over 1 million customer interactions from being labeled as spam during peak sending times. Solution: Crafted an advanced protocol strategy utilizing ten static machines that resulted in a 40% boost to message handling efficiency; directly addressed the top three causes of past platform outages, ensuring flawless campaign executions. Show less

Master Of Business Administration - Mba, Computer Software Engineering

Graduação, Database