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.• Established CI/CD pipelines with Azure Pipelines and Docker.• Migrated processes from VMs to Azure Serverless Functions.• Created monitoring strategy with Azure Dashboards and Application Insights.• Developed business logic with .NET Core.

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.• Active participation in new developers interviews and feedbacks.

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:• Team Foundation Server with Git as distributed version control• Team Foundation Server CI/CD• Docker• Distributed log system with Elasticsearch, Logstash, and Kibana

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• Frontend technologies: Angular 1/2, HTML, JavaScript, CSS

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