Mardon Zarifjonov

Frontend Engineer (React)

Integrated third-party services and developed React-based frontend features for products in education, AI-driven chat platforms, and sales automation systems.<br>Built React UI for a medical education platform with AI avatars (HeyGen), improving learner engagement via interactive modules.<br>Developed a chat-based user interface for patients diagnosis using Ant Design X.<br>Created a chatbot assistant for Innova’s landing page to support user engagement.<br>Implemented GA4 event tracking to measure user behavior and generate analytics insights.<br>Developed a custom WordPress plugin that integrates with WPForms and Contact Form 7 to automate lead capture.<br>Integrated SignalWire APIs into a Laravel application to automate real-time client–lead communication via email and SMS.<br>Implemented a custom template feature in TinyMCE, enabling users to upload HTML/CSS designs and apply them to editor content.<br>Implemented interactive charts using Chart.js to visualize and analyze lead engagement trends.

React Software Engineer

Improved author productivity and real-time collaboration capabilities with clients within a content-generation platform.<br>Developed a custom text editor tailored to accelerate the creation of content by authors on the platform.<br>Built a real-time project dashboard featuring live updates and status-based task sorting, optimized for large datasets using react-window.<br>Redesigned the UI using a mobile-first approach, improving mobile usability and responsiveness across devices.<br>Implemented a secure client-side checkout flow using Stripe.js Elements, featuring real-time validation and error handling.<br>Implemented frontend real-time project commenting using WebSockets (Socket.IO) for instant UI updates.

Software Engineer

Developed responsive frontend features using React for a new and used vehicles marketplace, delivering seamless browsing and listing experiences across devices.<br>Redesigned mobile versions of dropdown and location search components to improve usability and responsiveness.<br>Developed a custom, mobile-friendly, vertically scrollable date picker from scratch, removing dependency on third-party libraries.<br>Built admin panel workflows for order confirmation and cancellation, improving operational efficiency for internal staff.

Frontend Developer (React)

Developed the frontend of an online school management system with responsive dashboards and interactive forms, enhancing usability and efficiency for students and teachers.<br>Implemented secure user authentication using React and Axios, covering sign-in flows, guarded routes, and session handling.<br>Built a real-time chat system to enable instant communication between students and teachers.<br>Developed online testing modules with pause and resume functionality for smoother assessments.<br>Designed reusable UI components using styled-components to improve consistency.

Frontend Developer (React)

Contributed to the development and enhancement of an admin panel for internal order management, improving workflow efficiency for the logistics team.<br>Rebuilt Sign-In and Sign-Up pages to improve authentication flow, usability, and accessibility.<br>Built a reusable multi-select dropdown component from scratch to increase UI flexibility.<br>Revamped dashboard charts using Highcharts.js to deliver clearer and more interactive data visualizations.<br>Customized calendar functionality with react-big-calendar to streamline shipment scheduling and tracking.

Frontend Developer (React)

Developed the frontend of a driving school platform with responsive dashboards and interactive course pages, improving the student learning experience.<br>Developed a video progress-tracking feature to track course completion and student engagement.<br>Built and integrated mock test functionality for students to support assessments.<br>Implemented secure frontend authentication using Redux, Redux-Saga, and Axios.<br>Customized and integrated Quill.js rich text editor to enable efficient creation and management of course content.<br>Created a lightweight media upload service in Go to support video and content management.

Frontend Developer (React)

Built a responsive landing page for the company website and integrated it with backend service.<br>Developed responsive landing pages from scratch using React, HTML, and CSS, ensuring cross-device compatibility.<br>Built and customized interactive map components to display company branch locations, improving user navigation.<br>Integrated frontend with backend services using RESTful APIs, enabling dynamic content rendering.<br>Assisted in designing and implementing backend API endpoints in Go to support core application features.