Maxim F.

Cross-platform crypto wallet app for secure multi-asset management, real-time market data, and encrypted transactions with biometric auth, multi-wallets, history, offline-first mode, multilingual UX, and CI/CD. Responsibilities: designing scalable React/Next.js/TypeScript architecture; building responsive, accessible UI with SCSS, Tailwind, and a reusable design system; integrating REST/GraphQL APIs via Axios with consistent error handling and caching; managing client state with Redux Toolkit and RTK Query; building real-time UI with WebSockets/Socket.io; integrating Algolia for fast search and autocomplete; implementing JWT-based auth flows and secure sessions in Next.js; creating reusable abstractions for forms and API calls; testing with React Testing Library; setting up GitLab CI/CD and Docker-based frontend containerization; collaborating closely with backend, design, and product. Environment: HTML5, CSS3, TypeScript, React, Next.js, FastAPI, GraphQL, Algolia, Redux Toolkit, RTK

Learning Management Platform (LMS) with an advanced, highly customizable architecture that links diverse learning components and supports multiple content formats and interactive elements, enabling adaptable learning experiences across scenarios. Responsibilities: designing performant, responsive UIs in React/Next.js; integrating frontend with backend APIs for smooth, low-latency data flow; using GraphQL Request for efficient declarative data fetching; implementing a scalable Tailwind CSS-based design system; building reusable i18next hooks and components for robust internationalization; refactoring and extending Jest unit and integration tests to ensure stability; and driving code quality through active participation in peer reviews. Environment: HTML5, CSS3, JavaScript, TypeScript, React, Next.js, GraphQL Request, Tailwind CSS, Jest, Storybook, i18next, Figma, Git, GitHub

Real-time bus route monitoring platform integrating GPS and route management systems to provide live bus locations, route adherence, and performance metrics via an intuitive, responsive web interface. Responsibilities: building modular, reusable React components with modern hooks patterns; optimizing data fetching and synchronization with React Query to reduce redundant requests and keep the UI responsive; styling with CSS3, Tailwind CSS, and CSS Modules for fast, consistent UI development; implementing scalable state management with Zustand for complex logic; integrating and tuning RESTful APIs for GPS, route, and telemetry data with robust polling/streaming and error handling; collaborating with PMs, designers, and QA; continuously modernizing the stack and refactoring; and maintaining a clean codebase through regular reviews. Environment: HTML5, CSS3, JavaScript, TypeScript, React, React Query, Tailwind CSS, Zustand, Vite, Azure App Insights/Auth, Figma, Git, GitHub.