Marcelo Collyer Email & Phone Number

Orlando, Flórida, Estados Unidos

Durham, North Carolina, United States

- Designed and maintained scalable, secure, and highly available cloud infrastructure. - Engineered robust CI/CD pipelines using Docker, Terraform, CloudFormation, Ansible, GitHub Actions, CircleCI, Travis CI, Octopus, JFrog, and DockerHub for streamlined deployment.- Led successful migration of legacy systems to modern, containerized environments from Azure to AWS. - Created Infrastructure as Code (IaC) with CloudFormation, Terraform, and Ansible, reducing manual intervention and enhancing SDLC reliability.- Managed artifact storage and distribution with DockerHub and JFrog Artifactory, ensuring consistent, secure delivery of software builds.- Automated creation of customized, scalable, and secure Amazon Machine Images (AMIs) with Packer, enhancing EC2 provisioning in high-availability environments.- Collaborated with development teams to integrate code quality checks into CI/CD process, reducing bugs and enhancing software reliability. Provided infrastructure advice during new feature planning.- Proactively managed, automated, and expanded infrastructure for internal and external projects, enhancing operational efficiency and scalability.- Developed internal GoLang tool for Customer Success team, streamlining customer onboarding and account management processes.- Implemented advanced monitoring and alerting systems, including Prometheus and PagerDuty, achieving 99.9% uptime for critical applications and enabling rapid issue resolution.- Documented projects and internal processes for new member onboarding facilitation.- Mentored new DevOps team members, accelerating their fluency in managing projects and infrastructure.- Led initiatives reducing infrastructure costs by 30% through strategic cloud resource optimization.- Provided critical guidance to development teams during adoption of Kafka and Snowflake, modernizing legacy mechanisms.- Led migration of critical FTP and AS2 (RSSBus) servers to more reliable solutions using AWS Transfer Family.

San Antonio, Texas, United States

- Led a global team in San Antonio, Texas, to develop a web enterprise application using Java, Angular, React, NextJS and Ionic. Cultivated strong client relationships and met tight deadlines in a fast-paced environment, pivotal to project success.- Implemented a robust ETL application, leveraging NodeJS, to streamline and accelerate legacy processes.- Developed and maintained sophisticated web applications with modern technologies such as Java, Angular, React, NextJS and Ionic, ensuring optimal performance and usability.- Optimized database performance and introduced efficient data storage solutions using MS SQL Server and MySQL, enhancing overall system efficiency and scalability.- Enhanced user experience through responsive and intuitive front-end design using Angular, React, NextJS and Ionic, improving usability and engagement.- Integrated third-party APIs with NodeJS to enrich functionality and features of web applications, enhancing overall product capabilities.- Collaborated with product managers to prioritize and execute on the product roadmap, ensuring alignment with business objectives.- Identified and resolved technical issues promptly to maintain a seamless user experience across Java, Angular, React, NextJS and Ionic-based applications.- Implemented security best practices to safeguard sensitive user data and information, ensuring compliance with industry standards.- Leveraged agile methodologies to deliver high-quality software within allocated time and budget constraints, utilizing Java, Angular, React, NextJS, Ionic, NodeJS, MS SQL Server, and MySQL.

Palo Alto, California, United States

- Spearheaded requirement gathering from HP in Palo Alto, CA, and provided strategic guidance to the development team, resulting in the successful development of an integrated system using J2EE/C++.- Developed embedded mobile applications for Windows CE using .NET Compact Framework and SQL Server Mobile Edition, and seamlessly migrated the software to the x86 platform, ensuring compatibility and improved performance.- Designed and implemented a J2EE/Flex distributed solution leveraging emerging RFID technology. Utilized a stack of technologies including JSF, Richfaces, PrimeFaces, Ice Faces, HTML5, jQuery, Spring, Hibernate, Maven, and Ant to deliver a scalable and efficient solution.

Fortaleza, Ceará, Brazil

- Contributed significantly to the development of a mobile chat application at Sony Ericsson, actively involved in the creation of a robust J2ME MVC framework and communication middleware for seamless integration with Jabber, AIM, and MSN protocols. This experience proved instrumental in deepening my understanding of mobile development concepts and technologies.- Played a key role in designing and implementing the backend infrastructure written in C#, which was essential for supporting the functionality of the mobile app.

Fortaleza, Ceará, Brazil

- Contributed to the analysis and design of various financial products within HSBC's banking environment, ensuring alignment with business objectives and regulatory requirements.- Implemented solutions based on the J2EE platform and the Calypso framework, utilizing technologies such as Rational Software Modeler, MKS, IBM Quality Center, IBM Macro Runner, and Sybase DB.Played an integral part in the development lifecycle, collaborating with team members to deliver robust and scalable solutions. This experience enhanced my proficiency in financial technology and software development practices.

Fortaleza, Ceará, Brazil

Contributed to the development of product sales systems, encompassing both web and desktop applications, through the integration of JAVA web-services. Utilized a diverse set of technologies including Google Web Toolkit, Google Maps API, Spring, Hibernate, X-fire (CXF), Quartz, Ibatis, Jasper, and SQL Server. These experiences laid a solid foundation for my journey as a full-stack developer, providing hands-on exposure to a range of essential technologies and frameworks in the development landscape.