Guillermo Fernandez Sanz

Guillermo Fernandez Sanz Email and Phone Number

CTO at Mediasmart Mobile @ Mediasmart Mobile
Guillermo Fernandez Sanz's Location
Greater Guadalajara, Spain Area, Spain, Spain
Guillermo Fernandez Sanz's Contact Details

Guillermo Fernandez Sanz personal email

About Guillermo Fernandez Sanz

Engineer, entrepreneur and inventor24+ years of experience, 10+ as CTO, 3+ executive in Affle (public listed in India, market cap over one billion usd). Extensive skills in tech, no aversion to getting hands dirty and coding.InterestsSoftware, business and leadership, AI/machine learning, trading FOREX, books & reading AchievementsFirst tech employee and CTO for mediasmart, startup with exit acquisition in 2020, where I contributed to a large part of our software and coinvented a large share of our technology including our ML prediction of traffic (saving over 80% of computing cost), mediasmart bid shading technology, and our optimization and pricing algorithms with a big impact on our variable cost, capacity to scale (over one million bid requests per second), gross revenue and ebitda As mediasmart CTO within the Affle group, I coauthored several software inventions for adtech in the adtech CTV and fraud area.Founded and ran successful technology consulting business for international clients for many years.Developed native applications for iOS and Android OS totaling more than one million downloads, a flight search and comparator and a video to mobile streaming solution with international prepayment integration.Profile* Experience in AdTech, mobile, telecommunications and e-commerce sectors. Experience managing managers, as a project manager, as team leader and as a developer.* Passion for tech. Started programming with an 8bit MSX microcomputer as a child. Got the computer science engineering degree, and since then I have never stopped learning, tinkering, and coding.* Love my job. I enjoy planning tech systems as well as getting my hands dirty, program, review others code and coach.* Humble, respectful, and good team player. Extensive knowledge in software engineering, team building, metrics, and processes.* Contributor and curator of tech knowledge, system architecture and team culture* Generalist with a deep understanding in tech. Experience in backend, data engineering, DevOps/sysadmin, frontend, mobile development. Special focus on backend engineering, high throughput systems, scalability, and performance* Languages, Frameworks & Tools: Rust, Erlang, Clojure, GoLang, C, Objective-C, C++, Ruby, Java, Javascript, Python; NodeJS, ExpressJs, RabbitMQ, RoR, AWS & Cloud, Android, iOS & Cocoa, CI/CD, BigQuery, Oracle, MySQL, Postgres, Redis.* Fluent in English and Spanish. Dabbling in Chinese (passed HSK4).

Guillermo Fernandez Sanz's Current Company Details
Mediasmart Mobile

Mediasmart Mobile

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CTO at Mediasmart Mobile
Guillermo Fernandez Sanz Work Experience Details
  • Mediasmart Mobile
    Cto
    Mediasmart Mobile Feb 2012 - Present
    Madrid, Madrid, Es
    MediaSmart is a mobile programmatic media buying platform. We are integrated into many SSP, traffic sources such as mopub, google, nexage, smatto... We bid on behalf of our advertisers in real time impression auctions considering their performance goals such as CPA or CPC.I designed the technology from the ground up and now manage our tech team. Our software handles near a million auctions per second and is able to optimize our clients campaigns using state of the art machine learning methods.
  • Mediasmart Mobile
    Cto
    Mediasmart Mobile Feb 2012 - Present
    Madrid, Madrid, Es
  • Bipmo
    Professional Freelancer
    Bipmo Oct 2010 - Aug 2020
    Bipmo is my personal incubator of mobile related projects.Bipmo provides:* Un umbrella whereas to develop my own mobile applications and services.* Mobile apps external services. That is HIRE ME to build your app or startup prototype. Mobile marketing experience. Professionalism warranted.
  • Bipmo
    Cto
    Bipmo Jan 2009 - Oct 2010
    Starting up my own personal projects* MobileGameSite.MOBI: Mobile downloads Portal* Bipmo.COM: Mobile news & phone review portal (now discontinued)* Video2Mobi.COM: Complete solution you can enable in any website that automatically adds a "send-to-mobile" button next to each video. Wordwide delivery of mobile optimized videos and micropayments for monetization (now discontinued)* PidoPista.COM: Spanish flight search engine witch not only recommends cheaps flights but provides recommendation of confortable alternatives with affortable pricing (now discontionued)
  • Berggi
    Hybris Consultant
    Berggi Sep 2009 - May 2011
    Es
    Working as a remote freelance consultant, I helper Berggi bring Hybris up-to-day on mobile eCommerce.Hybris is one of the main vendors of eCommerce software and I worked with them as outsourced consultant to help them define and implement their response to mobile.I made a large, substantial contribution to the following hybris modules: * Hybris Mobile website templates (mobiletemplate) * Hybris Mobile Barcode support (mobileservices) * Hybris Text SMS engine (mobileservices) * Hybris mobile template for presales (mobileshowcase)(This is a telecommuting position working with international teams)
  • Berggi
    Operations Director For Latam
    Berggi May 2008 - Jan 2009
    Es
    A word about Berggi:Berggi made mobile video solutions to spanish and international customers: Video CMS, Mobile eCommerce, Mobile messaging,...Starting on may 2008, I am responsible for operations on the spanish and latinoamerica markets.My responsability extends to sales support and presales, content adquisition and management, marketting, customer's support and integration.
  • Berggi
    Product And Operations Director
    Berggi Oct 2007 - May 2008
    Es
    Responsible for market analysis, business case development, requirements capture, roadmap management, project leadership and overall responsibility our products before, during and after launch.Responsible for customers grow and client adquisitionHead of Operations, Marketting , QA(This position involves project planning and managing of overseas teams)
  • Berggi
    Mobile Developer
    Berggi May 2006 - Oct 2007
    Es
    Berggi, an american startup is focused on bringing internet to your mobile, delivering all kind of services and contents through their network, changing the way we use our mobile.I am a developer for Berggi, member of the tech team responsable for building the platform and it is operation.(This was mostly a telecommuting position)
  • Andago
    Project Manager
    Andago Mar 2004 - Apr 2006
    Project managingResponsible for project planning, risk control, and budget of teams up to ten developers. Used to project planning software and methodologies.Focus of activity:* Internet projects using J2EE and open source technologies.* Content management solutions using open source software as opencms, exoplatform. * Open source integration and open source migration.* Open source research and developemnt.Example: CTI CSIC directory project, CTI CSIC Authentication and authoritation services, Donosti open source migration viability studySolution architectTechnical arquitect of telecom service solution build on top of C++, CORBA, perl, Java, and web services. I am responsible for integrating the technology with new ISP and telcos, and responsible for the technical roadmap of the product.
  • Portal
    Senior Consultant
    Portal Sep 2003 - Feb 2004
    San Francisco, Us
    Reporting directly to the spanish manager, my duty as a member of the portal professional services team (PPSG EMEA) is customer consultancy. I helped defining software solutions using infranet, provided support integrating the team with other consultant and partners, and designed and implemented technical solutions tailored to the client requirements.I worked with infranet billing, working with vodafone atlas billing integration with legacy billing systems. I did infranet billing customization in a unix environment and become familiar with the telephony background: activation, provisionging, billing, osa/parlay, etc. I am familiar with infranet billing and the pipeline rating engine.
  • Myalert / Buongiorno
    Project Consultant
    Myalert / Buongiorno Oct 1999 - Sep 2003
    Parma, It
    o Project managerI controled the project life cycle, interfacing with customer business and technical teams and scheduling deliverables as well as controlling cost and resource usage. I manage teams of up to five developers and used the english language as my daily work tool.o Senior consultantDuring this period I was doing consultancy for our message alerting solution. Our solution is a revenue generating service for MMS ans SMS alerting. As a senior consultant, I took part in most of the product life cicle including development, integration with telecom systems (such as billing, and provisioning), support, customer faced consultancy, help-desk, testing, and performance optimization.o Oracle DBA Trained in oracle database, I started working as oracle admin.During this period I often participated in some developments as a java and C++ analyst and developer. By the end of this period I was considered the company oracle 'guru'.

Guillermo Fernandez Sanz Skills

Mobile Applications Android Mobile Devices Java Open Source Start Ups Mobile Internet Integration Linux Ruby On Rails Html 5 C C++ Scrum Java Enterprise Edition Unix Iphone Development Sms Agile Methodologies Mobile Technology Mobile Commerce Entrepreneurship Iphone Solutions Marketing Cloud Computing Open Source Software Distributed Computing Erlang Golang Node.js Couchbase Javascript Redis Amazon Web Services Google Cloud Platform Clojure Memcached Amazon Ec2 Machine Learning Mobile Advertising Project Management Problem Solving Creative Problem Solving Server Side Programming Front End Development Ruby Ror Scalability Performance Tuning Trading

Guillermo Fernandez Sanz Education Details

  • Universidad Autónoma De Madrid
    Universidad Autónoma De Madrid
    Computer Software Engineering

Frequently Asked Questions about Guillermo Fernandez Sanz

What company does Guillermo Fernandez Sanz work for?

Guillermo Fernandez Sanz works for Mediasmart Mobile

What is Guillermo Fernandez Sanz's role at the current company?

Guillermo Fernandez Sanz's current role is CTO at Mediasmart Mobile.

What is Guillermo Fernandez Sanz's email address?

Guillermo Fernandez Sanz's email address is gf****@****ail.com

What schools did Guillermo Fernandez Sanz attend?

Guillermo Fernandez Sanz attended Universidad Autónoma De Madrid.

What are some of Guillermo Fernandez Sanz's interests?

Guillermo Fernandez Sanz has interest in Iphone Freelancing, Android Freelancing, Mobile, The Game Of Go.

What skills is Guillermo Fernandez Sanz known for?

Guillermo Fernandez Sanz has skills like Mobile Applications, Android, Mobile Devices, Java, Open Source, Start Ups, Mobile Internet, Integration, Linux, Ruby On Rails, Html 5, C.

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