Octavio C. Cuenca Email & Phone Number

Mountain View, Ca, Us

Core Learning Experience:*Led the development of Coursera Coach, an innovative AI-powered virtual assistant leveraging OpenAI's GPT models to provide personalized feedback and answer student questions* Architected and implemented a scalable course navigation service using AWS, Spring Boot, GraphQL (DGS), Redis, and gRPC* Successfully migrated critical certificate services from Scala to Java, improving maintainability and performance* Designed and launched Progress Cards feature, boosting user engagement through real-time event tracking with KafkaSearch Platform & ML Integration:* Engineered a new search engine using OpenSearch with multi-layer personalization and machine learning capabilities* Automated the end-to-end deployment pipeline for HuggingFace embedding models to AWS SageMaker, integrating with OpenSearch ML plugins* Implemented efficient data pipeline using Databricks and PySpark to generate and maintain OpenSearch indexes* Integrated Cohere embedding models hosted on AWS Bedrock with OpenSearch for enhanced search capabilities* Collaborated with ML engineers to design a novel embedding architecture supporting both KNN and neural search* Enhanced Light Ranker model training to support multiple embedding models and search strategies* Partnered with Data Scientists to develop a new Reranker variant optimizing paid content visibility in search results

Bellevue, Washington, Us

* Worked as part of the Discovery team developing new microservices that manage searching and recommendations to end users.* Worked in the implementation of a new search service using Algolia as a search engine* Developed integration with Optimizely and the search service to be able A/B the new Algolia indexes easily. * Implemented Airflow job to import all clicks and conversions events from BigQuery to Algolia APIs* Managed the personalization searches in Algolia search engine* Created a github actions workflow to execute integration tests for legacy and new services after each push into master repository and on schedule* Implemented new browsing experience to show more detailed info of showed items. This feature also was implemented thinking to A/B test it first before releasing it* Worked improving the Search Gateway service that route all the search and browsing requests

• Worked as part of NU team developing new features to allow to make campaigns of donations in web app and mobile app using NodeJS, Angular 4 and Ionic.• Worked adding Accessibility feature to IOS and Android app, and also the Ultimate website • Development of new APIs in ASP .NET Web API and Spring Framework to normalize the data from customers• Maintaining and developing new pipelines for services and shared libraries using Quark CLI and Concourse• Added enhancements to Quark CLI -CI/CD tool- to pass as parameter the docker-compose file path to deploy and excluded services from health checks as part of CI step.• Fixing and adding integration tests to legacy Eventing framework that captures changes in SQL server DBs• Worked on new Core Eventing Framework using Spring, Kafka and Kafka Connector for SQL Server

Westminster, Co, Us

• Worked in the creation of framework for automated testing for e-Builder APIs using Postman, RestSharp, SpecFlow, NUnit and Allure.• Worked fixing bugs and adding enhancements to the e-Builder APIs• Development of automated tests using mocha and chai

Miami Lakes, Fl, Us

Client: MasTec• Improved the Windows Service- old NorSync- that synchronizes AT&T data with Mastec system (Nsite) related to construction projects. Removed all bugs, improved performance and add new features like logging and asynchronous programing• Creation of a new version of NorSync. 5000 lines of code were reduced to 1000. All the logic was reimplemented, organized and documented. This new version is listening a RabbitMQ server. • Migration of Nsite- Main Application of MasTec- to a new design and using new technologies. • Worked on the backend, separating the business logic in several small and modular services-Microservice Architecture• Development of Web Service using .NET Standard and Asp .NET Core to upload documents to MasTec document management system and download them from 3rd party Api. Using Swagger to to describe how to use the API.• Development of Web API service that allows send batch of emails with attachments using Exchange Web Service.• Development of Windows Service that process email attachments from Office 365 accounts.• Development of User Management system using Angular and Identity Framework for external users.• Development of prototypes application to select new technologies, frameworks and libraries to migrate old Silverlight apps. Angular, React and Vue were Javascript frameworks selected to test. • Development of Document Management System for MasTec projects using React and TypeScript as language. • Started using Docker containers for deployments of new apps in development environment• Leading migration of source controller from TFS on premise to Azure DevOps. Creation of build and release pipelines for both .NET and .NET Core frameworks apps.Technologies: C#, Silverlight,Web Services (SOAP and REST), DI, Entity Framework, T-SQL, Microsoft SQL Server, XML, xUnit, NLog, RabbitMQ,MassTransit,TopShelf, FluentScheduler, Docker, DevOps, .net core, asp net core, angular, react.js, vue.js, material, ODATA

• Development of new web services to handle the creation and management of new insurance policies. • Design and implementation of new system to standardize addresses an find closest distance to the sea coast using QAS (Experian) and Google Geolocation API.• Design and Architecture of new System to manage all info related to agencies.• Automatic generation of Spreadsheets using Open XML framework• Management of Corporative Web Site (www.weston-ins.com)• Installing, configuring and maintaining Continuous Integration, Automation and Configuration Management tools like TeamCity.

• Management of Payment Platforms used by the company • New client for Ogone Payment Platform (Ingenico Company)• Creation of new modules in the Back-End • Automatic generation of Documents and Notifications (Vouchers, Invoices, Quotations) • Management of CTN Trade Center website• Management of System Users

Havana, Cu

• Teacher Assistant of C# Programming Language• Developer at “House of Software” department.• Lead of BPMN Studio project.• I taught several seminars about .NET technologies like WF, Sitefinity, Generation of Code using T4 and other related technologies like CodeDOM.

Master'S Degree, Computer Science

Bachelor Of Computer Science (B.A.Sc.), Mathematics And Computer Science