Topsort is the only AI and ML based retail media platform that also offers modular scalable API for marketplaces and retailers to scale and launch retail media solutions, while giving sellers and brands a global deep insights into retail media, all using privacy first approach and enhance user experience.www.topsort.com

- As a Single Developer, but pairing with an awesome Product Manager (Cristobal Gazali), I developed a Service to allow Banks to integrate with xepelin products. Built from scratch with Domain Driven Design (DDD), Integrations Tests with BDD, Integration Aceptance tests with client Developed the Backend of Xtracker Product, releasing in production in less than 3 months. (Dani Vega and Cesar Pinto the best team mates)Developed and modeled a core xepelin domain, Invoices and other financial documents for CL and MX (Nico Acevedo the greatest one)Technologies: Typescript, Nest JS, Postgres, K8s, Kafka

With the arrival of the CTO, I focused on leading the Product Engineering Teams.

- Grow the Engineering team from 40 to 90- Redesign Engineering Teams Strategy to include the Engineer Manager Role- Recruit and Onboard Engineer Managers to lead the Teams: Payments, Operations, AR, Wallet, Conciliation and Collection- Revisit de Development Cycle Strategy in order to improve stability and resiliency- Redesign Engineering Ladders and Performance Evaluation tools- Revisit the Development Cycle in order to involve engineering teams in earlier product design and modeling stages

Leading the Product Development of Operations Engineering Teams- Payments- Accounts Receivable- Operations

Lead the Frontend and Backend developing of a new Product: Payment.Tech Talks about Hexagonal Architecture, Behave Driven Design (BDD), Example Mapping, and Event Driven Architecture concepts

Sentinel Watch uses the latest advances in computer vision and machine learning to keep you and your business safe.- Implementation of computer vision algorithm for retail metrics: queue wait time, demographics, age, gender, abandoned objects, heat maps. (2018)- Sales Shows: ISC West on Las Vegas (2017, 2018)- Sentinel Installation in Fort Devens, US Army (2017)- Hardware Acceleration for video decoding techniques.- Adaptation of the solution for on-premises installation.- Deployment of solution into Amazon services: Elastic Beanstalk, Elastic Cache, EC2, S3, Route53, RDS- Development of microservices docker based Architecture for Sentinel Solutions.- Architecture Design and implementation of Sentinel’s Face Recognition and Object Detection Platform.- Develop of deep learning based computer vision platform for Access Control, Retail security and loss prevention, and corporate security.http://www.sentinel.watch/http://youtube.sentinel.watch/

- Design of new solutions: Sag Mills load online monitoring, conveyor belts temperature online monitoring, dams filtering online monitoring. - NTT (Japan) visiting for new technologies survey. - Ramboll (sweden) visiting for structural health monitoring solutions and collaboration agreement.- BOTDR web platform development for signal processing and visualization.- Structural Health Monitoring (BOTDR), Tinguiririca Energía. Design, manufacturing and implementation of the first-in-the-world structural fiber optic monitoring system for large tunnels under high water pressure (2013). - Structural Health Monitoring (BOTDR), Underground Mining Pillars Monitoring, El Teniente Codelco. Optical fiber based sensor design, tests and installation. (2012)- Spectral Signal Processing in BOTDR measurements for signal improvement (2012).

- Wireless Network survey and Architecture proposal for Codelco’s Open Pit Mining Operation (2011). Technologies: WiFi, Mesh, WiMax, 3G, LTE.- San Jose mine rescue (2010). Video Conference System, design and installation. Video Conference trapped miners with their families and medical staff.- Commercial Management support. Design, quotation, technical proposal preparation and installation supervision of Micomo’s solutions.

- On field technical support, testing, commissioning, maintenance, and troubleshooting for Codelco’s DWDM Network (2008 - 2010).- DWDM Installation on Codelco Divisions. El Teniente, Andina, Radomiro Tomic and Chuquicamata Codelco Norte (2008-2009). Subcontractor coordination, and supervision. On field installation and testing.- Project Design and technical proposals preparation for DWDM and wireless transmission networks(2008 - 2010). Site-survey, solution design, project dimensioning, cost estimation, technical proposal.- Internship on NTT-AT Japan for DWDM training. Codelco’s DWDM Photonic Network design (2008)

Computational Intelligence Laboratory - Evolutionary Computation - Neural Networks - Time SeriesPublicationsEstevez, P., Hernandez, R., Perez, CA., Held, C., “Gamma-Filter Self-Organising Neural Networks for Unsupervised Sequence Processing”. Electronics Letters, Vo. 47, No. 8, pp. 494-495, April 2011.P.A. Estévez and R. Hernández. “Gamma-Filter Self-Organizing Neural Networks for Time Series Analysis.”. Workshop on Self-Organizing Maps 2011Pablo A. Estévez and Rodrigo Hernández, “Gamma SOM for Temporal Sequence Processing”. Workshop on Self-Organizing Maps 2009Pablo A. Estévez, Ricardo Zilleruelo-Ramos, Rodrigo Hernández, Leonardo Causa and Claudio M. Held, “Sleep Spindle Detection by Using Merge Neural Gas”. Workshop on Self-Organizing Maps 2007Cristián J. Figueroa, Pablo A. Estévez and Rodrigo E. Hernández, “Non-Linear Mappings Based on Particle Swarm Optimization” International Joint Conference on Neural Networks 2005.