David Andres Cespedes Ribero Email & Phone Number

San Francisco, California, Us

- Native iOS development using Uber RIBs architecture, tools, and frameworks like Needle for Dependency injection, and RxSwift for reactive programming, among other internal frameworks and practices (ERDs creation and reviewing, Alerting, Monitoring, Incident Mitigation, Architecture).- Implement the cancelations reasons project to reduce the number of cancellations received by couriers without a justified reason. Here we used a Service Driven UI approach and we worked on new component implementations to support what was being sent by the backend.- Participate in the Ubercado migration to support the grocery picking and packing flow in the Uber Eats Restaurants App for MPP (Merchant Pick and Pack) and CPP (Courier Pick and Pack) in the Uber Driver App

- Part of the team in charge of the Shopper App iOS project, supporting the designing and implementation of new features using clean architecture.Implement native iOS UI/UX designs given in Figma, providing an Apple-like and rich experience.- Participate in the implementation of a batched orders project that allows one shopper to pick multiple orders. The increase in shopping efficiency was almost 2X.- Implement an improvement in the picking flow allowing the shoppers to omit unneeded steps marking products as found and increasing the picking times significantly.

San Francisco, Ca, Us

• I worked on the Features iOS team delivering the video stories project on time and withexcellent results.• Deliver the Muster Drill project, where we used MVVM and state machine Architectural patternsand also Vision Framework and tensor flow to detect Muster Drill signs inside the ship.

San Francisco, Ca, Us

• Integrate Adobe SDK for Analytics, Location, A/B Testing, and other App metrics.• Participate in the migration from Cocoapods to Carthage which improve significantly thecompilation time of the whole project (from 40min to less than 10 min).• Work as part of the core team solving bugs and improving the base app frameworks.

San Francisco, Ca, Us

Be part of the development of the first Xamarin project made by Globant with excellent results thatopen new mobile projects within Deloitte.

As the full time involved co-founder I was responsible of opening the business in Lima, Perú. From hiring the CEO to recruiting the first drivers and finding our offices.• Lead the technology team. Frontend, Backend ( RoR ) and native mobile Apps (Android and iOS).• Develop the iOS App in Objective C without Storyboards and just a few XIBs.• Created & led execution: App internationalization, pricing, marketing, partnerships, business development, recruiting and training.• Weekly data analysis report to make business decisions.• Negotiate alliances to achieve driver retention.• Establish and continuously improve the driver selection process.• Co-create the marketing launch campaign.• Apply and win Startup Peru, as a high-impact startup. A contest of the Peruvian government that provides non-refundable funds for PEN137.000 (US $ 45,000)

Bogotá, Cundinamarca, Co

Working as the developer of the Tappsi iPhone App that let you request for a taxi from your cell phone in a safe way, with the possibility to call the driver that has been designated to you and his localization on the map. The user will be notified about the status of the service using Push Notifications.In charge of directing the Firefox OS App project.

Create the Piitri iPad App from scratch using:-Facebook SDK 3.1-Reskit to communicate with the API REST made in Node.js-CoreAnimation-CoreData-TableViews feed directly by CoreData-Built in Cammera and Camera roll-and much more..

Co-founder and developer of the Bevlr mobile App, specially for iOS. Startup selected for the first stage of Apps.co, Colombian Goverment Startup Program Incubator, where we follow Stephen Blank's lean startup methodology for customer development to develop our MVP.

Bogotá, Distrito Capital, Co

Planning, provisioning, deployment and post-sale customer support of new open source IP telephony systems, both, inside the company as for several clients.• Management and administration of the organization serving as CTO.• Establishment of all the internal processes and systematization for a better organization and response to the customer needs and easier project management.• CRM deployment, with Key Performance Indicators and its integration with the IP telephony system.

Installation, support, maintenance, commissioning, acceptance testing and creation of new services in Tellabs equipment of the 8600 series.• Installation, commissioning, configuration, acceptance testing and post-sale support of the SDH network for the deployment of 3G by Colombia Movil (Millicom) in Valledupar, Colombia with Tellabs 6300 series products (6325 & 6335). Fulfilling the proposed chronogram that was build according to the technical deployment plan and with entire satisfaction of the final customer.• Write Method of Procedures (MOPS), before a scheduled support/troubleshoot activity on customer sites.• Technical knowledge acquired in 3G (UMTS, HSDPA, HSUPA), 2G (GSM, GPRS), MPLS, OSPF, ATM, SDH, DWDM.• Administrative knowledge acquired in management of the support services, evaluation and implementations of projects, public tenders, personnel management, contracts, costs, budgets, etc.

Ciudad De México, México, Mx

• First level support to corporate customers, which gave me excellent customer relation skills. • Specialized engineering and technical support for the operational management of the network.• Attention, processing of work orders, checking with the customer to ensure their proper functioning and training them, if necessary, in the new functionality that has been configured.• Generation of monthly links reports availability for major corporate customers of Telmex.• Generation of maintenance reports to costumers, and reporting them via telephone and in writing, through a letter sent by e-mail.

Bachelor Of Engineering (B.E.), Electrical, Electronics And Communications Engineering

Bachiller, Science