Gerardo

Core business services redesign. By enforcing a top-down usage of industry-standard concepts such as state machines, he was able to put every business level to dialogue in an easy common language, simplifying documentation that the client could now understand better, get cleaner code and achieve a high degree of automated testing.

• Business core backend redesign + migration to .NET Core
• Also focused on operability: Enabled both business success measurements and application monitoring using New Relic.
• High degree of decoupling (with IOC) and automation testing

Tech Stack: Net 4/Core. Redis, ELK, MS SQL 2019, Angular, TDD, NewRelic, Jenkins, GitHub.

Performed as a Chief Software Architect, leading a team of architects during the redesign of the development processes after a company takeover. Increased company-billing accuracy from 75 to 97 percent.

• Remote working and team coordination with a worldwide team in any time zone.
• Experience working with the US energy industry. (AEP, Bargain Energy, FourChange, Green Mountain, Hudson, Just Energy, Spark, Stream, StarTex, Texpo).

Tech Stack: .NET, ASP.NET, SQL Server

Introduced DevOps Practices and Culture and got management support to create and manage a DevOps team.  Chief architect for cloud solutions using Amazon Web Services.  Successful migration from Microsoft TFS to Git with git-flow branching model. Responsible for all company deployments for all the products/tenants.

• Implemented 100% automated deployments to production on AWS-EC2 with emergency rolled-back within 60 seconds.
• Implemented Self-Service Deployments: One-click deployments for non-productive environments for Dev & QA teams using: Jenkins, Git, AWS, Bash, and MSBuild. Accelerated development lifecycle by automating bottleneck processes.
• Key Player on the PCI Certification for the Production environment on AWS.
• High-Availability Design: Automatic failover for a single-AZ outage. Less than 10 Minutes of estimated downtime to perform a manual failover to a different US region.
• Application Performance Monitoring and Alerting: Live performance dashboards. Shown from a big TV to a 3G mobile device, using New Relic.
• Performance: Stress & Stability tests using: Jenkins, Jmeter, AWS Autoscaling Tunning. Code/Memory/Network Profiling.
• Up to 40% cost reductions on AWS-EC2 using: Autoscaling, Spot Instances, and Auto on-off schedules.

Skills:  DevOps Practices & Culture, AWS Cloud, Git, Jenkins, Ant, MSBuild. Continuous Delivery, Integration, Testing.  IT Automation and Monitoring: PowerShell, Bash, AWS, CloudWatch, New Relic, EC2, VPC, ELB, RDS (MySQL & mysqlMySQL), Autoscaling, Route53, IAM, RedShift, S3, CloudFront, CloudWatch.

• Software Architect at VMBC (2009-2013)
• Software Developer / Architect at AdvertMind S.A. (2004-2009)
• Professor of Computer Science Introductory Course at Universidad de Palermo (2008)
• Lead Developer at CEITECH S.A. (2002-2004)
• Internship at IT & Software Development Department at Instituto Tecnologico Philips Argentina (1999-2002)