Luis Enrique Barral Valderrama Email & Phone Number

Montevideo, Uruguay

• Working on the frontend applications for a US-based company's advanced AI-driven decision-making and analysis platform.
• Led the frontend development team, driving innovation and maintaining high standards of quality.
• Actively participated in Scrum ceremonies with the customer's technical team, ensuring alignment and efficient project execution.
• Developed and executed comprehensive test suites using Cypress to ensure the reliability and robustness of the platform.
• Designed and implemented efficient CI pipelines with GitLab, streamlining development workflows and enhancing deployment processes.
• Collaborated closely with the development team to create and implement effective frontend solutions using React and Next.js as primary tools, contributing to the platform's seamless user experience.

Montevideo, Uruguay

• Lead the development team for a serverless cloud-based registration app for a californian based religious organization.
• Participate into discovery meetings with customer VP.
• Design a serverless event based architecture using: API Gateway, Lambda, DynamoDB, Route 53, S3 buckets, SNS and SQS. Using Serverless framework.
• Work on backend integrations with services like sendgrid, constant contact, Socio. Using dynamoDB streams.
• Apply error handling strategies SQS Dead letter queues and cloudwatch notifications.

• Lead the architecture design of a document manager cloud-based platform MVP.
• Participate into discovery meetings with customer technical team.
• Design a microservices architecture using AWS products like: Fargate servers, Aurora Databases, Route 53, S3 buckets and MQ broker.
• Write, develop and deploy the infrastructure using infrastructure as code tools such a Terraform.
• Design and implement Bitbucket CI/CD pipelines.
• Participate on knowledge transfer meetings with customer technical team.

Argentina

• Project: Real Estate Application Backend Development for Ernst and Young USRole: Microservices Architect & Backend DeveloperAchievements:
• Improved services resilience by replacing HTTP calls with Azure Service Bus messaging architecture.
• Developed a custom NuGet package for Azure Blob Storage access.
• Enhanced performance with Azure Redis Cache.
• Implemented features using Azure SQL Database, Cosmos DB, and Table API.
• Managed user authentication with Azure Active Directory B2B/B2C.

Argentina

• Working in the same project described below (Santander Rio Bank) as a Tech Lead role with a 10 developers team.
• Guarantee the proper execution of scrum process (Poker planning, dailys and retrospective meetings, management kanban board)
• Apply code review practices.
• Improve the development team skills with custom objectives by developer, focusing in the career each of them want to follow.
• Management QA/Homologation Bugs query.
• Look for security holes based on OWasp 2017 common vulnerabilities.

Argentina

• Project: Develop a new highly available application for the Santander Rio Bank call center, replacing the multiple legacy apps they use nowadays.Client: Santander Rio BankTechnology Stack:Backend:
• Highly available microservices-based application with Microsoft.NET Core 2.2
• Dapper as micro ORM to work with the bank's Oracle Database
• Redis as distributed cacheFrontend:
• Frontend application built on Angular 5 with Cypress testing framework
• SignalR as WebSockets framework to handle customer callsInfrastructure:

Gran Buenos Aires, Argentina

• Fullstack Development focused on the Banking Sector
• Technologies used:.NET, C#, Angular 1/2, SQL Server, OracleAchievements:
• Software version tools: GIT / Team Foundation Server
• Websockets technologies for real-time communication: SignalR
• Relational database engines: Microsoft SQL Server 2012/2014, Oracle 11
• Backend technologies: ASP.NET MVC, WebAPI

Argentina

• Development of multiple IT projects focused mainly on corporate tools Microsoft Dynamics AX 2012.
• Software version tools: Team Foundation Server.
• Relational database engines: Microsoft SQL Server 2008/2012
• Technologies for "Microsoft Dynamics AX 2012 " development: X ++, C #, WCF