Olgerd Zysk

• Worked on a big data analytics dashboard platform that visualizes and analyzes large amounts of Big data in a short time using Express.js and Vue.js • Integrated Elasticsearch with the existing MySQL for better database handling and performant querying • Developed micro-service based health care service center backend based on Node.js, Kafka, AWS • Migrated from Redux state management system to the combination of Apollo & React context API

• Migrated from Redux state management system to the combination of Apollo & React context API • Worked on a sports scheduling app providing booking & payment flow based on Vue, Nest.js, PostgreSQL • Worked on a big data analytics dashboard platform that visualizes and analyzes large amounts of Big data in a short time using Vue.js and Laravel • Integrated Elasticsearch with the existing MySQL for better database handling and performant querying

• Developed pixel-perfect and high-performance healthcare applications with React.js, Node.js, and Strapi, storybook. • Built a powerful SaaS which using Vue and Vuex, Vuetify • Built the CMS, and CRM using Vue/Nuxt and Laravel • Wrote the front-end web app from scratch using React and Redux to significantly improve the bounce rate after the initial launch of the site. • Worked on a serverless with like AWS EC2, Route 53 DynamoDB, S3, Lambda etc

• Refactored the existing code to improve the performance of a heavy Angular front end by talking to Node.js and Express.js via REST API. • Upgraded architecture of an enterprise clothing platform React Node, MongoDB, and Firebase. • Developed price analysis platform depending on Price API and Google Merchant API with React and Node • Developed a deal-tracking website that works with the Google Maps API to display current and upcoming deals on the map containerized applications using Docker