Alexandre H. Email & Phone Number

São Paulo, Brazil

São Paulo Area, Brazil

Credit card payment integration with a major service provider;Bank slip (boleto bancário) with major banks;PIX payment (QRCode);Reconciliation (design, modeling, development and implementation);Deposit Forecasts and other reports;Migration/maintenance of legacy systems, also providing documentation;Integration with Serpro API services (CPF and CNPJ queries), including system monitoring;gTLD RDAP Profile implementation;Automation of inter-RIR transfers;RPKI deployment in Brazil using golang and Krill;RPKI repository health monitoring;RPKI course for coworkers;Asterisk PBX integrated with a python middleware;Query optimizations (MySQL/Postgresql);Front-End/Back-End solutions in Golang, C++ & VueJS;CI/CD engineering;Nginx, SaltStack, KeyDB, Redis, Docker, Kubernetes & Git.

São Paulo Area, Brazil

Electronic payment systems, EFT and Chip&PIN technology (EMV Level 2);EMV consultant for a wide range of debit/credit market players; ABECS's PinPad Shared Library Specification expert; worked with major pinpad vendors: Gertec, Ingenico, Pax, Verifone, ...Teached EMV and PinPad Shared Library Specification to coworkers;Experience in communicating (portuguese/english) with users, other technical teams, and management to collect requirements, describe software product features, and technical designs;Engineering support for other teams and customers (Latin America incl) to troubleshoot and identify the root cause of issues.Mobile Payment solutions for Android (ndk incl) and iOS;PCI & PA-DSS Security standards, including computing tactics against malware and frauds;Development of several tools allowing the Support team for quick problem identification;Port of client payment core library to a wide range of platforms and OS incl. Android/iOS; Strong C knowledge;Heavy knowledge of payment industry cryptography;Strong documentation skills: functional/technical manuals, end-user guides, processes & procedures, coding with JavaDoc & Doxygen;Support to several customers regarding technical integration with other programming languages.

São Paulo Area, Brazil

. Development of new features, improvements and maintenance of the website www.peabirus.com.br

São Paulo Area, Brazil

. Integration of the Broadcast System with the Bovespa’s home broker/remote broker systems by providing process optimization, development of tools, screens, and supplementary functionalities to the system. . Development of a content management framework(CMF), which currently is being used for the daily production and distribution of news to the main company products. . Development of a three-layer real-time text publishing application with a front-end written in Delphi 6 under Windows with access to a MySQL database through servlets running on Linux servers. Use of data compression techniques, in-house developed spell checker, HTML tables editor, IPTC/NAA field editor for images, and process optimization. . Team coordination in software development and implementation, using Delphi Client/Server with Oracle databases, for a broad range of enterprise functions in the technical, financial, and managerial areas (ERP).

J2EE/WebSphere project covering security issues related to the equity partnership to large clients.

CRM project with Delphi and WebSphere for CustomerFirst.I've developed a real-time customer service, building a live-chat application, thus creating a direct channel from the client website to their customers. The operator can send multimedia content, links and even javascript code. An operator can assist up to six customers.