Esteban Zavala Email & Phone Number

Pinterest (Contractor via BairesDev)Worked as a DevOps Engineer on a contract basis for Pinterest, focusing on Node.js to develop tools that enhanced operational efficiency.Created a custom repository migration tool, optimizing the transfer of repositories across systems and improving team productivity.Contributed to the automation of processes, reducing manual efforts and improving scalability for engineering workflows.Ascensus (Contractor via BairesDev)Served as a Software Development Engineer in Test (SDET), specializing in test automation for Ascensus.Built and executed end-to-end (E2E) and integration tests, ensuring high-quality software delivery for critical business applications.Collaborated with cross-functional teams to validate data and maintain software reliability.Improved testing frameworks and processes, enhancing test coverage and reducing the rate of production defects.

Dominican Republic

Led a development group using Scrum, ensuring successful project delivery and team collaboration.Designed and implemented architectures for various client solutions, both on-premises and using Microsoft Azure.Developed a web search application for citizens using 1:N fingerprint matching.Built an identity server leveraging OpenID Connect and the OAuth 2.0 framework, with multi-factor authentication methods including SMS, email, software tokens, and fingerprint authentication.Created microservices using Docker and implemented Kubernetes as the container orchestration solution.Developed a microservices architecture utilizing IBM Integration Bus V10 and IBM Message Queue.Built a microservices solution with RabbitMQ for message-driven communication.Established a DevOps culture for multiple clients by implementing CI/CD pipelines with Azure DevOps, as well as Jenkins and Octopus Deploy.

Dominican Republic

•Development and maintenance of the Opsec Insight application, a platform for managing the life cycle of a product from its inception to its useful life with consumers.Technologies used: Asp.net 4.5, KnockoutJs, Azure Sql Server, Azure WebJobs, Jenkings, Octopus

Dominican Republic

• Perform as a Technical Chief at TI Department.• Defined prioritized, planned and implemented solutions for multiple complex projects.• Collaborated in the development of in-house development of new internet bankingportalTechnologies used: Asp.net 3.5, Siebel 8, Oracle 10G, SQL Server 2008, db2, IBM Message Queue, IBM Webphere Message Broker 7

Dominican Republic

I worked as a consultant in the development and implementation of the case management system of the supreme court of justice of the Dominican Republic sponsored by USAID.• Design of architecture based on Domain -driven design (DDD) application.• Design of the Base database using Entity Framework 4.0 and Visual Studio 2010.• Design and Development Management modules.• Design and Development Process Modules, Applications, Requirements.• Design and Development policy creation module using the API WF Foundation.

Dominican Republic

• Developing and maintaining software applications• Developed prototype application for health care industry using several security devices suchfingerprint scanners, Biometric Payment Device.

Dominican Republic

• Developed systems used by passport-emitting agencies in Dominican Republic and Brazil.(Windows Forms, SQL Server, integration with several security devices such as passportreaders/writers, fingerprint scanners, signature pads, barcode readers, and digital cameras)• Developed National ID systems for Puerto Rico, Barbados, Philippines, St. Kitts & Nevis , andmore.Technologies used: .Net Framework (2.0, 3.5), C#, Visual Basic.Net, Sql Server 2005, Sql Server 2008, Crystal Reports, C++

Dominican Republic

☆ Primary responsibilities include design and development new projects for multiples clients☆ Developed multiples portals for goverment institutions using DotNetNuke.

Dominican Republic

☆ Developed and create new functionalities for point of sale system implementing in businesses such as supermarkets, libraries and storesTechnologies used: Delphi 7, Sql Server 2000, Interbase 7, Quick Report

Dominican Republic

Maintenance and create new functionalities for the national traffic fine systemDeveloped and maintaining software applications in Delphi 5, 7Technologies used: Delphi 5,7, Sql Server 2000