Gregory Serrao Email & Phone Number

Miami, Fl, Us

New York, Ny, Us

As an IT Architect at Safra National Bank in the U.S., I was responsible for the bank's digital transformation, leading initiatives to modernize internal systems and establish a new architectural model. Despite a non-cloud environment, I implemented Kubernetes and a DevOps culture, optimizing operational efficiency. I also led significant projects with substantial financial and operational impact.Key Activities• Implemented Kubernetes and DevOps practices at Safra National Bank, promoting automation and efficiency in infrastructure management and application development.• Developed and modernized internal systems aligned with the new architectural model to support scalability and operational efficiency.• Served as the technical lead for integrating the Zelle payment system, expanding the bank’s digital payment options for customers.• Led the migration of the internal management system to Conductor by Netflix, focusing on cost reduction and operational performance.Relevant Projects• Zelle Integration: Led the implementation of the Zelle payment system, expanding the bank’s digital capabilities to meet customer needs.• Conductor Migration: Migrated the internal management system to Conductor, resulting in $300,000 in annual savings on licensing costs.Key Learnings• Digital transformation in restricted banking environments: This experience reinforced my skills in transforming traditional banking systems, even without cloud solutions.• Cost reduction and IT innovation: The migration to Conductor and implementation of DevOps and Kubernetes were essential for optimizing costs and improving efficiency.

New York, Ny, Us

I developed and implemented microservices and DevOps practices for the digital transformation project, enhancing scalability and automation of systems.

São Paulo, São Paulo, Br

As an Architecture Manager at Banco Safra, I lead large-scale projects, notably the expansion of SafraPay in the U.S. This project includes creating a digital bank and payment solutions for the American market, along with new architectures to enhance operational efficiency and scalability.Key Activities• Expanded SafraPay in the U.S., focusing on digital banking and payment infrastructure, using microservices, Kafka, and a multicloud approach (initially on Azure).• Provided technical and managerial leadership for development and architecture teams, implementing DevOps and automation practices to ensure high performance and reliability.• Coordinated integrations with strategic partners such as Jack Henry, Mastercard, FIS, and LexisNexis, ensuring interoperability and security in operations.• Developed microservices architectures and cloud solutions to support scalability and flexibility in the bank's digital platforms.Relevant Projects• SafraPay USA: Expansion of the digital bank and payment solutions, with scalable infrastructure and integration support for partners in the U.S.• Banking Platform Brazil: Microservices architecture to support banking operations and digital platforms.Key Learnings• Management of complex financial architectures: Strengthened my expertise in digital banking solutions, particularly in multicloud and microservices environments.• Technical leadership and partner integration: Enhanced my skills in leading complex projects and coordinating critical integrations for successful banking operations.• Knowledge of the U.S. financial market: Deepened my understanding of the American financial sector and its regulations.

São Paulo, São Paulo, Br

I worked on the development and integration of financial services for the SafraPay project in the U.S., contributing to microservices architecture.

Seattle, Washington, Us

As a Software Architect Manager at Avanade, I led strategic projects for Banco Safra, including the implementation of a new frontend architecture to support web and mobile applications in Brazil and the SafraPay project in the U.S., focused on creating a digital bank and payment solutions.Key Activities• Provided technical leadership for the frontend architecture project for Safra Brazil, structuring a modern platform that supported new web and mobile applications.• Led the architecture and implementation of SafraPay in the U.S., using microservices, Kafka, and a cloud-agnostic infrastructure, initially in Azure, to build a digital bank and payment solutions.• Led the technical and DevOps teams, implementing automation and continuous integration to ensure high performance and scalability.• Managed integrations with external partners, including Jack Henry (Core Banking), Mastercard, FIS, and LexisNexis, ensuring interoperability and security.Relevant Projects• Safra Brazil: Frontend architecture for launching new web and mobile applications for customers.• SafraPay USA: Digital bank and payment solution based on microservices and cloud-agnostic infrastructure, with integration to key strategic partners in the U.S.Key Learnings• Expertise in financial systems architecture: Expanded knowledge in digital banking solutions, with a focus on multicloud and microservices.• Coordination of complex projects and external integrations: Developed skills in leading complex projects and robust integrations with critical partners for successful operations.

São Paulo, São Paulo, Br

As a Principal Application Architect at Via Varejo, I was responsible for leading application architecture for high-volume projects in the digital retail sector, focusing on scalability and performance during peak periods. I worked on creating robust solutions using Spring Boot and Spring Cloud, along with containers on OpenShift, ensuring stability and an excellent user experience.Key Activities• Developed scalable application architectures with Spring Boot and Spring Cloud, ensuring high availability and efficient response times during peak periods, such as Black Friday.• Provided technical leadership in integrating internal systems and e-commerce platforms, promoting interoperability and efficient data flow between services.• Implemented DevOps practices and containerization with OpenShift, focusing on automation and monitoring to increase delivery speed and reliability.• Adopted microservices-based architectures to modularize applications and enable scalability according to demand.Results• Stability under high demand: The architecture supported access peaks during critical dates, maintaining high performance and consistent user experience.• Reduced response time: With DevOps and OpenShift containers, application response times were reduced by 45%, increasing customer satisfaction.• Operational efficiency: Adopting microservices and containers with OpenShift reduced the time needed to develop new features by 31%.Key Learnings• Scalable and modern architectures in retail: Gained experience developing robust and scalable systems with Spring Boot, Spring Cloud, and OpenShift, suitable for high access volumes.• Value of automation and containers: Integrating DevOps and OpenShift was essential for optimizing processes and ensuring agile delivery of business value.

I was responsible for designing a scalable e-commerce architecture using Spring Boot, Spring Cloud, and OpenShift.

Armonk, New York, Ny, Us

As an Applications Architect at IBM, I was responsible for developing cloud solutions for large-scale projects using Azure, AWS, and IBM Bluemix. I participated in strategic projects, ensuring scalability and technological innovation in critical environments.Key Activities• Developed cloud solutions and system integrations using Bluemix, Azure, and AWS, with a focus on high availability and performance.• Defined microservices architectures to optimize scalability and ease the maintenance of complex systems.• Provided technical leadership on digital transformation projects for major clients, collaborating to define business requirements and adapt solutions for future needs.Relevant Projects• Qualicorp: Scalable solutions on Azure, focusing on security and compliance in the healthcare sector.• Kroton Educacional: Modernized legacy systems on AWS, creating an agile and responsive structure.• Santander: Microservices architecture integrated with Bluemix, ensuring high interoperability for financial services.• Porto Seguro: Integrated high-demand platforms on Bluemix for efficient cross-platform communication.• Volkswagen: Azure architecture for critical operations, connecting production systems to digital platforms.• Bradesco: Scalable, secure Bluemix solutions for financial processing systems.Key Learnings• Specialization in cloud computing: Developed strong expertise in multicloud solutions, particularly in Bluemix, Azure, and AWS.• Impact of microservices: Consolidated knowledge in microservices architecture, essential for enhancing scalability and maintaining complex systems.

Armonk, New York, Ny, Us

I developed backend cloud solutions for clients in high-demand sectors using platforms like Azure, AWS, and IBM Bluemix.

As a Software Architect at RGM Informática, I was responsible for robust and scalable solutions in large-scale projects, leading a multidisciplinary team in .NET and Java. I adopted new technologies like NodeJS and Golang and implemented DevOps practices to optimize performance and stability.Key Activities• Developed scalable, high-availability architectures using .NET and Java to ensure performance in critical systems.• Led technical initiatives in DevOps and infrastructure as code (IaC), promoting automation and continuous integration for more reliable deliveries.• Implemented NodeJS and Golang, expanding the technology stack and enhancing innovation in solutions.• Collaborated with stakeholders to align business requirements with architectural solutions for high data volumes.Results• Increased scalability and stability: Architecture supported 64% growth in data and users, maintaining performance and reliability.• Reduced delivery time: DevOps practices and automation decreased delivery time by 58% and reduced deployment errors.• Innovation with new technologies: Adoption of NodeJS and Golang provided versatility and better alignment with client needs.Key Learnings• High-availability architecture: Specialized in designing robust systems for high-demand environments.• DevOps and continuous innovation: Integrating DevOps and adopting NodeJS and Golang reinforced the importance of innovation for scalability and efficiency.

I contributed to the development of internal systems and implemented DevOps practices to ensure stability and scalability in backend solutions.

As a Technical Lead at Instisys, I was responsible for leading the development team on .NET projects, focusing on implementing efficient and high-performance solutions. This role was essential for developing my leadership skills and coordinating technical teams, as well as consolidating advanced knowledge in software development.Key Activities• Coordinated and provided technical guidance to the development team on .NET projects, ensuring alignment with best practices and quality standards.• Developed and implemented customized solutions for clients, enhancing application scalability and performance.• Conducted code reviews and implemented development standards to increase efficiency and reduce errors.• Trained the team in agile methodologies and development practices, improving collaboration and productivity.Results• Increased project efficiency: Implementing development standards and code reviews resulted in a reduction of 36% in code errors, improving the quality and consistency of deliverables.• Enhanced team productivity: Training in agile methodologies contributed to an 41% increase in team productivity, reducing the average project delivery time.Key Learnings• Leadership skill development: I honed my leadership skills, learning to motivate and guide a team to achieve high-quality results.• Importance of coding standards and quality: This role reinforced the importance of following development standards and conducting code reviews to ensure the efficiency and maintainability of long-term solutions.

As a Senior Software Engineer at RGM Informática, I was responsible for developing and maintaining internal system modules, focusing on performance and efficiency improvements. This experience allowed me to enhance my advanced .NET development skills and consolidate practices in system integration and optimization.Key Activities• Developed new system modules using the .NET platform to improve functionality and process efficiency.• Implemented performance enhancements, including the creation of a CSV file conversion system that significantly reduced processing time.• Maintained and updated existing systems, ensuring operational continuity and optimizing business processes.• Conducted performance analysis and optimizations to reduce resource usage and improve application scalability.Results• Processing time reduction: The creation of a CSV file conversion system improved process efficiency by 39%, reducing the execution time of data operations.• Increased system stability: Continuous optimizations and updates contributed to a 43% reduction in system failures, enhancing solution reliability.Key Learnings• Enhanced process optimization skills: I learned advanced performance optimization techniques, strengthening my ability to identify and implement efficiency improvements.• Importance of operational continuity: This position reinforced my understanding of the value of system maintenance to ensure stability and reduce production environment disruptions.

São Paulo, Sp, Br

As a Senior Software Engineer at 7COMm, I was responsible for developing and optimizing desktop applications, focusing on performance improvements and creating frameworks to increase process efficiency. This role was essential in strengthening my skills in desktop application development and performance optimization.Key Activities• Developed desktop applications using the .NET platform to create robust and efficient solutions.• Researched and implemented performance improvements in applications, identifying and addressing processing bottlenecks.• Conducted performance tests in a staging environment to ensure the stability and efficiency of solutions before deployment.• Developed a Thread framework for parallel processing, enhancing application performance.Results• Increased application performance: The creation of a Thread framework for parallel processing resulted in a significant improvement in operation speed, reducing execution time by up to 87%.• Version control implementation: Implemented version control, which facilitated collaborative management and development, reducing errors and streamlining workflow.Key Learnings• Expertise in performance optimization: I learned advanced techniques for identifying and resolving performance issues, enhancing my ability to improve application efficiency.• Importance of testing and version control: This experience reinforced the importance of testing in staging environments and using version control to ensure stability and traceability of deployments.

In this role, I worked as a Web Developer at SGI Web, where I was responsible for developing and maintaining web systems, as well as integrating mainframe data, enhancing process efficiency and application performance. This experience was essential in strengthening my skills in system development and integration.Key Activities• Developed and maintained web systems, using technologies like ASP 3 and SQL Server to ensure performance and stability.• Created and maintained procedures for data import, optimizing information flow between different systems.• Developed components for mainframe integration, ensuring interoperability and continuous data flow.• Deployed and maintained web applications and internal systems to support operations and meet user needs.Results• Improved process efficiency: Optimizing integrations between web systems and mainframes resulted in a significant reduction in data processing time, increasing operational agility.• Enhanced application stability: Continuous maintenance and application improvements contributed to a 23% reduction in incidents reported by users.Key Learnings• Enhanced web development and system integration skills: I learned the importance of integrating legacy systems with new environments, which improved my ability to work across different platforms.• Focus on stability and performance: This experience reinforced my attention to detail and my ability to ensure that critical systems operate stably and efficiently, meeting user expectations.

During my internship at Prima do Brasil, I managed digital campaigns and developed internal systems, building a strong foundation in technology and digital advertising. I worked with a dynamic team, where I learned the importance of operational efficiency and data analysis to optimize campaign results.Key Activities• Managed online campaigns on major portals such as Cidade Internet, Ubbi, Superdownloads, and Fotolog, using Ad Server for ad control and administration.• Developed systems for data extraction and analysis, utilizing ASP 3 and SQL Server to improve information flow and facilitate decision-making.• Provided technical support and managed digital advertising systems, collaborating with the team to ensure continuous performance and quick problem resolution.Results• 35% increase in digital media delivery: Through detailed analysis and efficient report management, I contributed to a significant improvement in campaign delivery efficiency.• 18% growth in advertising revenue: Optimized campaign deliveries resulted in an 18% increase in revenue from advertising sales on high-visibility portals, including Cidade Internet, Ubbi, and Superdownloads.Key Learnings• Knowledge in technology and digital campaigns: This internship was crucial for developing my understanding of digital advertising systems and data analysis processes.• Focus on results and efficiency: I learned the importance of efficient management and results-oriented processes for successful campaigns, enhancing my skills in meeting deadlines and optimizing operations.

Mba, Desenvolvimento De Aplicações Java – Soa

Tecnólogo, Desenvolvimento Web