Technical Lead for Netflix's External Data Request program, delivering data to Netflix customers across the globe. Migrated and rearchitected the legacy infrastructure to a newer one, implementing changes from Netflix.com's UI to how requests are processed to fetch millions of data points each day.

Worked on the rollout of Netflix's global blog in 20+ languages for the MHU launch. Contributed to the design of a procurement system managing over 100,000 assets.

Utilized serverless architecture to develop scalable solutions. Contributed to a web app project adopted by 300,000+ managers annually. Developed tools for serverless simulation and aided in improving localization for 20+ products.

Technical lead of Fintual's mobile app which is available both in Android and iOS with over 100k installs and a rating of almost 5 stars. Architected and bootstrapped the app from scratch leveraging existing APIs, validating the product’s viability. Also developed ground breaking features for the web platform.

Cartedo is a soft-skill tracking & development platform, where we're able to measure and guide our users into being ready for the 21st century, by developing their 21st century skills. Cartedo is available for businesses, schools & colleges, where our users are able to grow these skills by taking real-life challenges. Every challenge follows the Cartedo rubric, which contains a set of well defined steps in order to understand how the user is thinking and developing. Cartedo prepares our users to be future-ready for a future of uncertainty and a 5th revolution of jobs, where AI will be present virtually everywhere.John was in charge of choosing a scalable and modern tech stack, guiding a remote team based in India in development, and both in the backend (Rails) and frontend (React) of the platform. John also had to research several APIs and different connections to services that are required by Cartedo to function, such as profanity detection (swearing), plagiarism detection (copying & pasting from other sources), image recommendation (based on text).

Mechademy's platform is able to predict anomalies and malfunctions in LNG by using AI algorithms and statistical analysis. Mechademy uses the latest web standards both in terms of scalability and security in order to help LNG plants prevent & react upon these malfunctions.Mechademy is a real-time web platform available 24/7 that transforms how LNG plants operate, by giving them rich insights in order to take the right decisions at the right time.John was in charge of the software architecture and product definition, while also building a first version of the MVP in order to validate product-market fit before getting into development mode. Once product-market fit was found, John was in charge of guiding the development team by correctly defining the scope of the project, features, user stories and epics.

BLOCKCHAIN: LatamCoinCap, Bitvana, CoinOrigami, QWallet first crypto wallet in LATAM, available for multiple cryptocurrencies. Used by thousands of users across LATAM.FINTECH: QWallet, Bitvana, including ComunidadFeliz, a management software for buildings and condominiums in Latin America, currently in Chile, Mexico, Ecuador, Colombia and Bolivia with more than 2000 buildings.ED-TECHS: CNE, Papinotas, BadgeHeroes, Inacap, Stu-dent, Poliglota Avonni winners 2014, is a revolutionary way of learning how to speak other languages, being present in 4 countries in LATAM. GAMIFICATION: Checkrocket, BadgeHeroes is a mobile and web platform which improves the commitment and accelerates the development of the workers with gamification software that generates interaction, education, culture and teamwork in the workplace. BadgeHeroes has worked with fortune 500 companies such as Walmart, Santander Bank, PepsiCo, Itau Bank, RKF.TRANSPORTATION: Transfuturo AI: Classybot, EasyFitHEALTH: Stu-dent, Denticlick, EasyFitINVOICES & TAXES: Fabranza

Stu-Dent is the first web application designed for dental students.Stu-Dent allows the student to create their own schedule with the objectives to be met, based on the requirements presented by the dental school. You can generate care appointments with the patients on your list, for a larger organization of your clinical semester. The integrated agenda in Stu-Dent creates reminders, so that the student is aware and can confirm appointments of patients before the day of care.

Develop most of Vlitzer web.