# Gonzalo García Galleguillos > Software Engineer @ Meta Location: San Francisco, California, United States Profile: https://flows.cv/gonzalogarcagalleguillos ## Work Experience ### Software Engineer @ Meta Jan 2022 – Present | San Francisco, California, United States ### Software Engineer Manager @ MACH Jan 2021 – Jan 2022 | Santiago, Región Metropolitana de Santiago, Chile ### Tech Lead @ MACH Jan 2019 – Jan 2021 • Lead the Core Banking Team (12 software engineers). Lead the design and implementation of the integration with the new core banking system. Main responsibilities were design of client, account/card life cycles; card authorization and settlement and account transactions. Lead implementation using a microservices architecture (10+) with Node.js and AWS. Add the support of more types of accounts (saving, investments, lending), in addition to improving the system uptime. • Redesign impactful features in MACH like ATMs cash-out, credit card cash-in and wire transfers which led to decrease the operational loss by using state machines and a new integration with the core banking system. • Lead the Cloud Team (3 cloud engineers). Lead the design and implementation of the AWS cloud-based infrastructure, including scaling, security and continuous integration/delivery. Design an infrastructure that has not had security issues and has allowed it to scale from 35 to 70+ microservices without friction. ### Software Engineer @ MACH Jan 2018 – Jan 2019 • Redesign and build the integration with the core banking platform. Build an entire application in Node.js with a microservice infrastructure and handle the communication via TCP sockets. This integration increases the uptime from 98% to 99.98% and is 2 times faster. • Create the load testing infrastructure. This was written in Scala using the Gatling framework. • Create continuous integration and delivery infrastructure in AWS with Code Build and Code Pipeline for Node.js microservices. ### Software Engineer @ kunder Jan 2017 – Jan 2018 • Maintain and improve the backend of Banco de Chile's applications, implemented in Java, that have more than 1MM users. - Reduce 50% of request time by migrating data from internals services to local database. - Security improvements for handling credit cards operations by using encryption. • Maintain and improve the backend of BiceVida applications, implemented in Django framework on Python. - Implemented one time password through SMS for bank loan validation. • Design and implement a financial API that communicates with the Internal Tax Service of Chile using Python on Django, the system allowed to do invoices factoring in only two requests. This was done using AWS Api Gateway, EB, ELB and RDS. Configure CICD with Jenkins. ### Software Engineer @ kunder Jan 2017 – Jan 2017 • Design and build core architecture of Saas financial Api. This was done using AWS products such as Api Gateway, EB, ELB and RDS. Configuring continuous integration in Jenkins. • Design and implemented a financial API that communicate with Internal Tax Service of Chile using Python on Django, the system allowed to do invoices factoring in only two requests. ### Software Engineer Intern @ kunder Jan 2016 – Jan 2017 • Maintenance to ERP infrastructure in Amazon Web Services, interaction with ECS, EC2, ELB, RDS and CF, design tasks to backup database information and attachments in the system. • Design and implementation of modules in the ERP for clients, in Django framework on Python. Integrated external retails companies Api’s to receive sales orders. ## Education ### Master of Science (M.S.) in Computer Science Pontificia Universidad Católica de Chile ### Bachelor of Science (BS) in Industrial Engineering and Information Technology Pontificia Universidad Católica de Chile ## Contact & Social - LinkedIn: https://linkedin.com/in/gmgarciag --- Source: https://flows.cv/gonzalogarcagalleguillos JSON Resume: https://flows.cv/gonzalogarcagalleguillos/resume.json Last updated: 2026-03-29