Building internal projects used by the science team to view and handle results, data analysis, and chemical components alignment, and also by the patients to book appointments, pay, and get medical results (COVID-19 test results, group/family testing). Converting years of data from multiple spreadsheets into software and task automation. Working as a tech lead, translating requests from the scientist team into tasks for the development team.Technology Stack: React, Angular, NodeJS, Typescript, Firebase/GCP (Hosting, Functions, Triggers, Firestore, RealTime DB, MySQL, Remote Config, and Storage), Docker, Python, GitHub Actions, gateway integrations, third-part API integrations.

Web and mobile (iOS and Android) development using modern technologies. I built projects for big companies in the US, UK, and BR. I also worked as tech lead on small teams.

Working as Senior Software Engineer, building frontend applications using Angular, React, and Micro Frontends.

Worked building two apps for iOS and Android for the Brazilian government: “Saúde Digital MG” and “Saúde Digital PR”. Both apps were tracking Covid cases. Users informed symptoms to get an online diagnosis and get redirected to an online appointment (telemedicine). The admin panel has several reports and user management, switch APIs (redundant API), push notifications, and calendar integration. I also helped the management team with several technology and strategy decisions. More than 40k users in the first week of launch (the app was shown on TV news)Technology Stack: Ionic/Angular, AWS (DynamoDB, Lambda, Cognito), gateway integration (telemedicine, diagnosis).

https://www.hojeemdia.com.br/opini%C3%A3o/colunas/cristiano-lopes-1.335987/a-startup-que-come%C3%A7ou-com-uma-ideia-e-30-reais-1.451260I’ve started as a personal project to generate certificates for courses and events. The platform generated almost 100,000 certificates in Brazil, Argentina, Colômbia, and Chile. It was integrated into a payment gateway, email gateway (Sendgrid), and WordPress (a plugin I built).I like to use personal projects to learn and practice new technologies in the real world. This project ended up being widely used.Technology Stack: Angular, Lumen, MySQL, gateway integration (payment, email), Linux, WordPress.

I built a web platform and a Chrome extension from scratch, for parsing the AliExpress product page and then displaying products on a third-party e-commerce page. Also, users can buy products, and the Chrome extension goes through the AliExpress checkout process automatically. I also led our development team working on several new features and requests from the sales/support team.Technology Stack: Laravel, Lumen, MySQL, MongoDB, NodeJS, Angular, Backbone, Marionette, gateway integration (e-commerce platforms, payment, email, Slack).

I worked as software engineer for a US company (NYC), fixing bugs and implementing new features in e-commerce platforms. The team has Brazilians, Indians and Americans. Javascript frameworks: Backbone, Marionette, Underscore and jQuery.

Desenvolvimento de sistemas internos, plugins e páginas para o blog da empresa em Wordpress (com +500k pageviews mês). Otimizações, administração dos servidores de hospedagem (staging / production), migração de hospedagem, disaster recovery.

I built a system to fetch the information from all these places, combine them, put all the data in their compliance rules, and send everything cleaned up, validated, and normalized to its corresponding systems. This way, all sources were always in sync.They had a few sources of information about their clients. Webforms, newsletter mailing, and different systems.The system was processing around 500,000 entries.Built alone, from scratch.Technology Stack: PHP, MySQL, Linux.

I built, from scratch, an LMS (Learn Management System) platform where professors create content. Students can run through the content (text, videos, images) and do tests. Tests were automatically validated, and students got points (gamification). Platform ranks students by points, class, and performance. It was integrated into another LMS of the institution to use the login system.Technology Stack: Laravel, MySQL, Javascript, Moodle integration.

Analista desenvolvedor de sistemas web focados na comunicação e gestão comercial da empresa.Analista SEO.Criação de aplicativo financeiro para dispositivos Apple.

Quiz.me era uma rede social criada por mim, baseada em perguntas e respostas nos perfis dos usuários. Em 15 dias chegou a mais de 2 mil usuários ativos. Logo após atingir 75 mil usuários, recebeu uma proposta de compra.

SQL Server DBA - VIVO.Criação de relatórios para a Fiat Automóveis.

Manutenção e administração da rede GNU\Linux.Desenvolvimento de sistemas internos em Delphi.