The Data services team is in charge of simplifying the gathering of business-relevant data across the organisation (Data collection), enforcing GDPR-compliant flows (Data governance), and making data easy to find, understand and consume by all teams (Data discovery).The team is also responsible for providing different services and internal tools to accelerate product development and decision-making (Data services) for the entire group.Tasks:- Build and manage a cross-functional team of 12 developers.- Evolve and maintain mature projects for data collection, governance and discovery: |_ One SDK (different languages) that unifies several trackers. |_ Database replication tool by capturing all the changes. |_ Generic data collector that stores frontend and backend events. |_ Web application to find, document and classify the company’s data and request access following the defined approval flows, which involves owners and data protection officers. |_ Web application to manage which data is sent to each tracker. |_ Real-time data consumption tool.- Evolve and maintain the growing projects: |_One SDK (different languages) to execute experiments, toggles, and surveys. |_Web application to operate experiments, define metrics and visualise the results. |_Web application to define and manipulate feature toggling (client-side). |_An API to split the users into different variant groups. |_An analytic engine to calculate the experiment results using statistical methods.- Development and maintenance of new initiatives: |_ Web application to define and manage user surveys. |_ Web application to define and manipulate feature toggling (real-time). |_ Web application to train, configure and deploy machine learning models. |_ Python library to track the training of the machine learning models. |_ Generic API that loads and serves key-value datasets.- Train and support teams across the organisation to integrate and use our SDKs, tools, and Web applications.

The experimentation team was in charge of creating an experimentation platform for all the group companies. The web application included metrics definition, segmentation, and visualisation of the reports using statistical methods.The platform was also used for feature toggling.Tasks:- Build and manage a small team of 3 developers.- Development and maintenance of the experimentation platform: |_ One SDK (different languages) for executing experiments and toggles. |_ Web application to operate experiments, define metrics and visualise the results. |_ Web application to define and manipulate feature toggling (client-side). |_ An API to split the users into different variant groups. |_ An analytic engine to calculate the experiment results using statistical methods.- Train and support teams worldwide (several platforms and brands) using different languages and architectures to integrate and use our SDKs and Web applications.Technologies and Software: Akamai, Amazon S3, Apache Airflow, Bash, Docker, Git, GitLab, Grafana, JavaScript, Kotlin, Linux, Node.Js, PostgreSQL, Python, SQL, Swift, Vue.Js, PHP

With GDPR coming, the Big Data & Tech team was in charge of simplifying the gathering of business-relevant data across the organisation (Data collection), enforcing GDPR-compliant flows (Data governance), and making data easy to find, understand and consume by all teams (Data democratisation).Tasks:- Build and mentor a small team of 2 developers.- Drive the development and maintenance of the data collection tools: |_ One SDK (different languages) that unifies several trackers. |_ Database replication tool by capturing all the changes. |_ Generic data collector that stores frontend and backend events. |_ Web application to manage which data send to each tracker. |_ Monitor and maintain the data collection for all the trackers, including the internal one.- Drive the development and maintenance of the data governance application: |_ Web application to document and classify the company’s data and request access following the defined approval flows involving owners and data protection officers. |_ Real-time data consumption tool.- Train and support teams around the globe (several platforms and brands) with different languages and architectures to integrate and use our SDKs, tools and Web applications.- Train and support data teams worldwide to use data compliant with the GDPR law.Technologies and Software: Amazon Athena, Amazon S3, Bash, Docker, Git, GitLab, Google Analytics, Google Tag Manager, Grafana, Java, JavaScript, Jenkins, Kotlin, Linux, MixPanel, MySQL, Node.Js, Python, Redis, SQL, Swift, Vue.Js, PHP

After relocating to Germany, the Global BI and CLM team continued the work on the CLM project.Also, it took care of the Global Data Reporting and Analytics using the developed tracker and SDKs.Tasks:- Build and manage a small team of 3 developers. - Drive the development and maintenance of the data collection tools: |_ One SDK (different languages) that unifies several trackers. |_ Process to define which data send to each tracker. - Maintenance and monitoring of the data collection around the globe (several platforms) for BI and CLM purposes.- Drive the development and maintenance of the CLM tools: |_ Several APIs to fetch data and execute some treatments. |_ SDK to fetch and show recommendations. |_ Web application that manages and customises each country's CLM treatments and shows their reports.- Train and support teams around the globe (several platforms) with different languages and architectures to integrate and use our SDKs, the CLM treatment APIs and our Web application.Technologies and Software: PHP, Python, Kotlin, Swift, JavaScript, NodeJs, Vue.Js, SQL, Git, Bash, MySQL, Amazon S3, Amazon RedShift, Amazon Athena, Docker, Grafana, Jenkins, GitHub, GitLab, Google Analytics, Google Tag Manager, MixPanel, Linux

The Global Customer Lifecycle Management team was in charge of the global Customer Lifecycle Management (CLM) initiative, which included segmenting users based on their behaviour and executing actions to increase engagement through customised communications (like pushes, SMS, emails, and marketing campaigns) and product adaptations (e.g., recommendations).Tasks:- Manage the roles and users' permissions with AWS IAM.- Drive the development and maintenance of the data collection tools: |_ One SDK (only JS) that unifies several trackers. |_ Generic data collector that stores frontend and backend events. |_ Process for the data ingestion from external and internal trackers. |_ Define the tracking strategy to collect web, apps and email user actions. |_ Maintenance and monitoring of data collection around the globe (on several platforms) for BI and CLM purposes.- Drive the development and maintenance of the CLM tools: |_ Several APIs to fetch data and execute some treatments. |_ An SDK to fetch and show recommendations. - Train and support teams worldwide (on several platforms) using different languages and architectures to integrate and use the new tracking and recommendation SDKs and the CLM treatment APIs.Technologies and Software: AT Internet, Amazon IAM, Amazon Redshift, Amazon S3, Bash, Docker, Git, GitHub, GitLab, Google Analytics, Google Tag Manager, Grafana, JavaScript, Jenkins, Linux, MySQL, NodeJs, Python, SQL, Upsight, PHP

Continuing with optimising the site's performance, this Platform team rebuilt the platform to allow each country and brand to personalise the layout. At the same time, the business logic and complexity remain centralised and can be improved.Tasks:- Build and manage a cross-functional team of 7 developers.- Drive the refactoring of the entire OLX platform from a monolithic code to a REST-oriented one, enabling the different countries and brands to customise the front end keeping the business logic managed centrally.- Train and support teams around the globe to use the new customisable platform.- Drive the adoption of the QA practices (continuous integration, automation test techniques, coding standards).- Development and maintenance of A/B tests on ESI.- Development and maintenance of a web application to manage different site configurations.Technologies and Software: Akamai, Bash, CSS, ESI, GIT, GitHub, JavaScript, Jenkins, Linux, MySQL, New Relic, REST, SQL, SVN, Twig, PHPProjects: www.olx.com (OLX sites around the globe and the verticals brands).

The BUY team was responsible for the buyer side of the OLX sites and other brands.Tasks:- Mentor a cross-functional team of 8 developers.- Development and maintenance of the buyer side (home, listing and ads pages) for the OLX sites around the globe and the verticals brands.- Development and maintenance of the SEO implementation in all the sites.- Drive the code's quality improvement (CS, PMD. unit and e2e tests).- Drive the optimisation of the platform's performance (both on the back and front end), reduce the complexity, and make it more scalable.- Implement the Agile methodologies to the software development.Technologies and Software: Bash, Behat, CSS, Chroot, JIRA, JavaScript, Jenkins, Linux, MySQL, PHPMD, PHPUnit, PHP_CodeSniffer, SQL, SVN, Vagrant, Zend Framework, PHPProjects: www.olx.com (OLX sites around the globe and the verticals brands).

Tasks: Development and maintenance of various softwareTechnologies and Software: CSS, CVS, Dojo, GIT, HTMLPurifier, JavaScript, Linux, MySQL, SQL, SVN, Zend Framework, Zend Studio, jQuery, PHPProjects:- PHProjekt- phpMyFAQ- Chorizo!

Tasks: Development and maintenance of software, websites and management systems via the Web.Technologies and Software: ASP.NET, ActionScript, Bash, C, CSS, JavaScript, Linux, MySQL and own developments, SQL, Unix, PHPProjects: - www.alitaslibres.com.ar- www.alveardebenavidez.com.ar- www.amontsupplies.com.ar- www.amuleto.com.ar- www.baenjoyit.com- www.bancofrances.com.ar- www.brandel.com.ar- www.buscandocursos.com.ar- www.cabernetvocal.com.ar- www.cadmira.com.ar- www.camposenargentina.com.ar- www.canaltics.com.ar- www.cauchomaipu.com.ar- www.chumamaya.com.ar- www.chumamayafassi.com.ar- www.claro.com.ar- www.consenso.org.ar- www.cpci.org.ar- www.cityhunter.com.ar- www.deltamateriales.com.ar- www.designdutour.com.ar- www.elnegrodolina.com.ar- www.etis.org.ar- www.globostuky.com- www.icoef.com.ar- www.imperiogames.com.ar- www.killerstartups.com- www.klcgolf.com.ar- www.kmargentina.com.ar- www.lejanonahuel.com.ar- www.lossantostour.com.ar- www.mangosmusic.com.ar- www.marianobragaweb.com.ar- www.mariaojeda.com.ar- www.mcmcontadores.com.ar- www.megatravel.com.ar- www.modernizacion.gov.ar- www.mundovip.com.ar- www.nuevoroz.com.ar- www.paloalto.com.ar- www.pautacomercial.com- www.pequeñoschef.com.ar- www.peugeot.com.ar- www.prestigiovisual.com.ar- www.prosperar.com.ar- www.regalosgourmet.com.ar- www.regionextrema.com.ar- www.rm-instalaciones.com.ar- www.saiargentina.com.ar- www.seguridad-online.com.ar- www.ser.com.ar- www.simultanews.com- www.silbi-arenas.com.ar- www.solicituddemarcas.com.ar- www.techgoodies.com.ar- www.valorllave.com.ar- www.veterinarias.com- www.villadelsur.com.ar- www.viviendaszarate.com- www.welcome-argentina.com

Tasks: Development and maintenance of software, websites and management systems via the Web.Technologies and Software: ActionScript, CSS, JavaScript, Linux, MySQL, SQL, osCommerce and own developments, PHPProjects:- www.biswal.net- www.cosasparacompartir.com.ar- www.humor-recetado.com.ar- www.kantamania.com- www.kmyasociados.com- www.pegasus-store.com.ar- www.tecsima.com.ar- www.testcie.com.ar

Tasks: Development and maintenance of software, websites and management systems via the Web.Technologies and Software: ASP.NET, Bash, C, CSS, JavaScript, Linux, MSSQL, MySQL, Oracle, PHP-Nuke and own developments, SQL, PHPProjects:- www.bdoargentina.com- www.cto-americas.com- www.elguardian.net- www.exportar.org.ar- www.famar.com.ar- Marketing In-Store- www.omint.com.ar- www.palermo.edu- www.santanderrio.com.ar- www.uol.com.ar