Diego Frezzini Email & Phone Number

Rosario, Santa Fe, Argentina

Rosario, Argentina

Led and managed a multidisciplinary software development team.Planned, led and coordinated the transition of the Argentina Team from a Support organization to one of Innovation and Development.Managed resource capacity to deliver the project Portfolio defined by Business, meeting the annual direct business benefit (ADBB) for 2017 and 2018. Worked with leadership to ensure highest priority and highest business value projects/programs are staffed appropriately. Prioritized efforts for programs and projects. Tracked and reported on program milestones and provide status reports to project sponsors.Led project for automation of tests, builds and deployments for 16 applications, using Jenkins, SonarQube, CA Release Automation and multiple plugins for quality control and test coverage, adopting use of best practices, Lean Software Development principles and DevOps methodology.Assessed, planned, led and successfully coordinated the execution of resetting passwords for 1200+ accounts and 13 applications, involving different global teams of the organization.Led security and optimization project for 13 applications, standing out the implementation of GPG and Oracle Wallet for password encryption and sensitive data, remediation of vulnerabilities detected by security scans, migration and upgrade of libraries and / or frameworks, development and improvement of Unit tests / Integration tests coverage, using Agile methodology for planning and progress.Evaluated the performance of each team member, created improvement plans for developers who have performed below expectations and granted recognitions and promotions to those who performed above their level.Fostered and maintained a positive and collaborative working environment to motivate staff and promote the improvement of innovative processes and solutions.Led, coached and mentored the team, working on the retention and guiding their careers to meet personal, professional and corporate goals.

Led and Managed a Global Operations team providing support to GM’s Global Purchasing and Supply Chain organization.Managed ticket backlogs and priorities, ensured the ongoing support and management of mission-critical applications for GM, based on ITIL principles, maximizing systems availability and performance.Planned, led and executed migration for 3 applications hosted in HP Data Centers to GM Data Centers, coordinating different global teams involved, and implementing changes such as SSO, SAML2, WebLogic configuration, certificates for the integration of different systems like Mainframe, dropzones and portals of the company.Coordinated with other IT Areas and business stakeholders on software deployments, system upgrades and maintenance outages. Communicated maintenance schedules, operational issues and impacts to IT Management and business users.Deployed, installed and setup applications on Production and non-Production environments, ranging from common Java applications hosted on WebLogic servers to customized COTs products. Planned and coordinated the on-call rotation and weekend activities for global support, covering the business needs and at the same time complying with Argentine law. Provided guidance and approval to the Staff and communicated meaningful status to leadership during major incidents.Developed, Implemented and refined process to controlling and coordinating all changes to an IT Production environment into a Change Control Procedure throughout the company's Global Purchasing and Supply Chain, allowing for a better efficiency in the use of resources and mitigating the risk of errors and business impact.Evaluated the performance of each team member and created improvement plans for developers who have performed below expectations.

Led Argentina team providing support to production and non-production environments in the Global Purchasing and Supply Chain area of GM.Developed, implemented and deployed solutions to user problems and business improvements, installed Service Packs to COTs products interacting directly with Vendors and Business, performed my functions in multiple platforms and technologies.Managed the workload, priorities and short-medium term assignments for the team.Interviewed and trained new developers and analysts.Coordinated and provided 24x7 on-call support.

Developed new web application requirements with high quality deliverables and within the estimated dates.Interacted directly with analysts and clients.Performed audit and revision of source code, improvement proposals and corrections based on standards and best programming practices.

Carried out analysis, development, support and testing of web applications.Estimated effort and delivery dates for projects and assignments.Built daily and weekly reports for clients and Manager.Created, updated and improved applications user manual and technical documentation for developers.

Diplomatura, Administración Y Gestión De Empresas

Ingeniero En Sistemas De Informáticos