Yitzhak

Yitzhak M. Jonajo Consulting -- I am offering my services as a Senior Full-Stack Developer with +8 years of extensive experience designing, building, and scaling high-performance applications using .NET (including .NET 6/8), React, and Azure cloud services. During my employment history I have demonstrated a proven track record of delivering high-quality, scalable, and secure software solutions with a strong emphasis on clean architecture, performance optimization, and robust security practices. I can perform my services remotely. PROFESSIONAL EXPERIENCE Builders Senior Fullstack Developer, March 2023-Present Winible Project Winible.com is a turnkey solution that provides a digital storefront, payment processing, subscription management, and real-time notifications. Winible.com Technologies: React, Nextjs, Angular, Nodejs, TS, Material MUI, AWS Lambda Services, S3, Chakra, GraphQL, RVercel, Websockets, Git, GitLab, Responsive design, Onesignal, Analytics, Figma, Notion, Twilio services, Sentry, Sendgrid, Azure DevOps, React Native Activities and responsibilities: ●​ ●​ ●​ ●​ ●​ Developing and maintaining high-performance web applications for clients in various industries. Built scalable, component-based frontend using React, TypeScript, and React 16, React Native Developed and optimized RESTful APIs and WebSocket services using Node.js and GraphQL. Integrated real-time notifications and microservices for client solutions. Utilized Azure DevOps for continuous integration and delivery. BEON Full Stack Developer, March 2022- March 2023 Technologies: React 16, Redux, Hooks, Node.js, Graphql, Typescript, Nextjs, Angular, React Native Android, C# 8 .Net and Net Core, .Net Core 3.0 API services design patterns. Activities and responsibilities: ●​ Creating web apps for getting orders and appointments for the DoubleJ application website based on React 16 typescript and node JS. ●​ Applying design patterns for web apps based on Js Technologies. ●​ Creating services based on Rest. ●​ Implementing new capabilities based on Durandal and KnockOut for legacy products. ●​ Updating and creating new modules based on React JS for SPL Site React Native Android. ●​ Updating and creating new modules based on Angular 8. ●​ Creating and updating sites for internal clients and in charge of DevOps. Jonajo Consulting-- ●​ Architected and built new features for web apps using React 16, Node.js, and GraphQL. ●​ Created and maintained microservices using .NET Core and C#. ●​ Deployed applications using AWS and Azure DevOps pipelines, ensuring robust CI/CD processes. Builder Projects: Double J App ●​ Creating new components for displaying data in React app and services based on microservices and rest API Double J Services ●​ ●​ ●​ ●​ Creating new services and endpoint for CRUD the new components Creating new services and endpoint for filtering info using GraphQl Creating new Unit test Deploying web app in AWS using Jenkins Paypal Taller Full Stack Developer, March 2021-March 2022 Technologies: React, Graphql, Rest, Aws, Jenkins, AWS, Jenkins. Activities and responsibilities: ●​ Creating web apps for getting orders and appointments for the Paypal Hagrid application website based on React 16. ●​ Creating services based on Rest ●​ Creating new components for displaying data in the React app ●​ Creating new services and endpoint for CRUD the new components ●​ Creating new services and endpoint for filtering info using GraphQl ●​ Creating new Unit test ●​ Deploying web app in AWS using Jenkins ●​ Integrate and manage Azure DevOps pipelines for continuous integration and deployment ●​ Back-End en Clojure con Ring y Compojure Paypal Taller Projects: Paypal internal app ●​ Creating web apps for getting orders and appointments for the Paypal Hagrid application website based on React 16 and maintenance of web services. Paypal UI application ●​ Applying design patterns for web apps based on Js Technologies. ●​ Creating services based on Rest Jonajo Consulting-- ​ Beon Tech Studio Full Stack Developer, May 2019- Feb 2021 Technologies: Jira, NodeJs, React, Typescript, Angular, C#,.Net, .Net Core, GraphQL, SQL, Ajax, Json, DevOps. Activities and responsibilities: ●​ ●​ ●​ ●​ ●​ ●​ ●​ ●​ ●​ ●​ Creating web apps to get orders and appointments for the DoubleJ application website. Applying design patterns for web apps based on Js Technologies. Responsibilities: Applying design patterns for web apps based on Js Technologies React, Angular Node js Creating services based on Rest (.Net) C# 8 and SQL for store procedures. Creating and updating sites for internal clients and in charge of DevOps. Ajax, JSON, and async methods in the front end Updating and creating new modules based on MVC5 React and Angular 8. Integrate and manage Azure DevOps pipelines for continuous integration and deployment Beon Projects: Beon ●​ Creating web apps for getting orders and appointments for the DoubleJ application website based on ●​ React 16, Typescript, and Node JS. ●​ Applying design patterns for web apps based on Js Technologies. ●​ Creating services based on Rest ●​ Implementing new capabilities based on Durandal and KnockOut for legacy products. ●​ Node.js Graphql Typescript C# 8 .Net and Net Core ●​ Link: https://beon.tech/engineers Jalasoft Software Engineer, Oct 2017-Nov 2019 Technologies: JavaScript, TypeScript, Python, Flask, Jinja2, React, React Native, Expo, NextJs, Redux, Styled-Components, Sass, React-hook-forms, Yup, Eslint, Prettier, Webpack, babel, SQL, Socket.io, GraphQL. Activities and Responsibilities: ●​ Design and implement mobile apps.Creating mobile apps for getting orders and appointments for Sitehands ●​ Creating from scratch a new web app based on React JS with REST services based on .Net and Node.js ●​ Maintenance for products based on Nextjs and Angular 8 ●​ Applying design patterns for portable mobile and web apps React Native Android. ●​ Applying microservices with artificial intelligence based on Tensorflow for facial recognition and managing robots based on emotions. Jonajo Consulting-- ●​ Consuming chat API and handling the DOM to display different effects based on the user's settings. ●​ Building a reusable system to deliver live feedback to clients through creative animations. ●​ Building and tweaking the responsive layout based on FlexBox. Jalasoft Project: Jalasoft ●​ Creating new components for displaying data in React apps, Razor, Angular ,and WPF ●​ Link: http://www.jalasoft.com Coderoadt Software Analyst, July 2016- August 2017 Technologies: React Js, NodeJs , Cross Platform with Angular 4, Vuejs, JAVA MAVEN.JPA, Spring, JBoss, Eclipse EJB, .Net framework, Net, Angular, IOS, BlockChain, MongoDB, EXTJs, REST services 2. Android Studio, Android development, XCODE. Activities and responsibilities: ●​ Design, maintain,, and implement mobile apps. ●​ Developed and maintained systems using .NET Core, Node.js, and Angular. ●​ I create and maintain web apps based on .Net framework C #, Angular 7, Sencha, and Java 1.8 for different clients, as well as implement new modules for the Blockchain platform. Coderoadt Projects: Mobile Automotive ●​ Creating new components for displaying data in Js pages Razor and Spring pages. Creating new ●​ services and endpoint for CRUD the new components, Creating new services and endpoint for filtering info using Rest ●​ Link:: https://www.mojix.com/ EDUCATION ●​ ●​ ●​ ●​ ●​ Tikhoresky PeterCss, Saint Petersburg – Russia Design patterns specialization,2017 Universidad Mayor de San Andres , La Paz – Bolivia Computing Science and mention in System Engineer,- Master in Software Engineering Belgorod University- Master in Business Administration 2010 CERTIFICATIONS ●​ ●​ ●​ ●​ ●​ ●​ C#4 C# Fundamentals Pluralsight 2013 Oracle SOA Suite Course 2012 Jdeveloper JAVA JBOSS 2012 Java Tools for Report Design 2010 Databases and Data Warehouses 2010 PHP and MySQL 2008 Jonajo Consulting--