Pier'antonio Pichierri

• Maintaining an iOS, android mobile applications and a web application for a French startup which connects older people or those in a dependency situation with people who want to help. [React Native - ReactJS - Typescript - NodeJS - NestJS - Microsoft azure (DevOps and Portal) - Xcode - Apple store - Play store - MySQL - InApp subscriptions - Twilio Video] • Developing an iOS and android mobile applications from scratch for a Belgian client in order to create a social network (posts / messages / stories (photo / video) / ...) and build customer loyalty. [React Native - Typescript - Xcode - Apple store - Play store - Push notifications - Deep links] • Developing an iOS and an android mobile applications from scratch for a Belgian client to enable their staff to scan QR codes. [React Native - Typescript - Xcode - Apple store - Play store] • Developing an iOS and android mobile applications + Backend from scratch to enable new parents to share their experience of their child's first months of life. [React Native - Typescript - PostgreSQL - AWS - NodeJS - NestJS - Xcode - Apple store - Play store] • Developing a NFT marketplace for a blockchain project. [ReactJS - NextJS - Typescript - NodeJS - AWS - PostgreSQL]

Developing a football ecosystem Dapp based on the Flow blockchain. My main task was to learn an entire new language (Cadence) and build the technical infrastructure (especially the blockchain contracts and the serverless backend) so that the project could scale easily in the coming months. I also built the code that allows users to make their crypto currency payments through the Dapper wallet API. TOP 5 Flow NFT collection [Cadence - Smart contracts / transactions / scripts - Flow emulator / testnet / mainnet - IPFS - Typescript - ReactJS - NextJS - NodeJS - AWS (Lambdas / SNS / SQS / RDS / CloudWatch / S3) - Serverless]

Developing solutions for a better children healthcare experience. [Typescript - Javascript - ReactJS - NextJS - NodeJS - GraphQL - PostgreSQL - Gitlab CI/CD - Google Cloud Platform (App Engine, Cloud Functions, Cloud Storage, Compute Engine) - Firebase - Hasura - HL7 / FHIR]

Development of a React Native telemedicine application for pet owners. Development of a ReactJS web application for veterinarians. [Typescript - React Native - ReactJS - NodeJS - NestJS - GraphQL - PostgreSQL - Docker - Firebase - Heroku]

Below are some of the projects carried out: Corewar (C Language) : - Creation of a virtual machine where processes fight each other - Discovery of the Assembly language - Binary and hexadecimal reading Lem-in (C Language) : - Coding the behaviour of N ants in an anthill - Realization of a Pathfinding algorithm (Dijkstra) - Optimisation of the number of strokes (node management) Push-swap (C Language): - Sorting 2 stacks of integers in a minimum of moves - Quick sort / Insertion sort - Constraints on moves instructions Matcha (ReactJs/ NodeJs / MySQL): - Dating site with real-time chat implementation (Websocket) - Management of users and administrators profiles - Security breach management Red Tetris (ReactJs / NodeJs): - Replica of the famous Tetris game in multiplayer mode - Websocket implementation

Development of a Progressive Web App to revolutionise language learning. Team of 3 people led by the founder of Elephorm. [Javascript - Vue.js - Vuetify - PHP - Firebase - Scss - MySQL]

Development of a SAAS application in the field of electrical installation. [Typescript - Angular - Ionic 4 - RXJS - NodeJS - MongoDB - Docker - Gitlab CI/CD - SCSS]

Here is an brief overview of my experiences prior to 2017: - multi-skilled restaurant worker - kitchen salesman - school monitor - employee in an insurance company - private high school teacher - business creation consultant - rollerblading teacher