Maxim Y. — Frontend Developer

Vetted expert in Front-End Web (6.0 yr.), React Developer (5.0 yr.).

Last verified on December, 2025

Senior

Upper-Intermediate English

Core Skills

Bio Summary

Frontend Developer with expertise in building high-performance web applications specializing in React, Next.js, TypeScript, and state management libraries. Served key sectors including fintech, edtech, and e-commerce, with a knack for enhancing existing applications and crafting new feature-rich solutions. Skilled in integrating third-party services and APIs, performing migrations to modern frameworks, and optimizing for both performance and maintainability. Clearly demonstrated abilities in developing complex UI components and handling advanced frontend development tasks, backed by consistent application of coding best practices, a modern tech stack, and a commitment to quality via tools like ESLint and Prettier.

Technical Skills

Programming Languages	TypeScript
Python Libraries and Tools	Beautiful Soup
JavaScript Frameworks	Ext JS, Moment.js, Next.js, React
JavaScript Libraries and Tools	Formik, Mobx, mui, React Query, React Router, React Thunk, Redux, Redux-Saga, Redux-toolkit, Reselect, Styled components, Swiper, Zustand
Data Analysis and Visualization Technologies	Dashboards, Data visualization, PostHog, Talend
UI Frameworks, Libraries, and Browsers	Chart.js, SASS, SASS/SCSS, SCSS, Styled components, Tailwind CSS
Industry Domain Experience	e-commerce
QA, Test Automation, Security	A/B Testing
Deployment, CI/CD & Administration	Axios
iOS Libraries and Tools	Core Motion
SDK / API and Integrations	Eslint LinkedIn API, Stripe
Methodologies, Paradigms and Patterns	Flows, State management
Platforms	LMS
Project Management & Administration	MVP
UI/UX/Wireframing	Responsive Design, UI/UX, UI/UX Design
Other Technical Skills	go-kit, GSAP, Markdown, Prettier, react-toastify, Remark-GFM, Rendering, Web Applications, website

Salary (Fintech Lending Platform) - Front-End Developer

Duration: Dec 2024 – Feb 2025

Technologies: Next.js 14, TypeScript, MUI, Tailwind, Zustand, React Query

About the project: Scalable fintech web platform enabling professionals to obtain payroll-linked loans with approval times under 15 minutes. Developed as an MVP in 3 months with smooth payroll integration and SOC 2 compliance.

Responsibilities:

Joined an existing codebase and significantly improved performance, stability, and maintainability
Refactored key parts of the frontend architecture to align with modern React best practices
Fixed numerous UI/UX bugs and code issues from previous versions
Developed and integrated new features, including advanced form components and dynamic flows
Maintained code quality via ESLint, Prettier, and consistent folder structure

Monosoft (Corporate Web Application) - Front-End Developer

Duration: Mar 2023 – Jan 2025

Technologies: Next.js 13, TypeScript, GSAP, Swiper, React-Markdown, PostHog, Axios, React-Select, React-Toastify

About the project: Promo website for IT company Monosoft, showcasing services, approach, and case studies. Focused on visual dynamics, smooth animations, and modern design.

Responsibilities:

Participated in full-cycle development of the company's website using Next.js 13
Developed interactive and responsive UI components with GSAP animations and Swiper sliders
Implemented dynamic content rendering with React-Markdown and Remark-GFM
Integrated analytics using PostHog and configured event tracking
Handled API communication using Axios with proper error handling
Maintained code quality using ESLint and TypeScript best practices

Puzzle-Pizza (Delivery & Kitchen Management) - Front-End Developer

Duration: Oct 2023 – Sep 2024

Technologies: React, MobX, SCSS, React Router, Formik, Yup, @dnd-kit, FullCalendar, Chart.js

About the project: Web-based solution for a pizza chain, including a delivery management system and kitchen display system (KDS) with order tracking, status updates, and real-time coordination between customer orders and kitchen workflows.

Responsibilities:

Developed and optimized a feature-rich admin panel using React, MobX, SCSS, and React Router
Integrated FullCalendar, charts, tables, drag-and-drop (@dnd-kit), and advanced forms (Formik + Yup)
Improved UX with modals, loaders, notifications, phone input, and rich text editor
Developed the public marketing website as part of the same product

TeachMeGrow (EdTech LMS) - Front-End Developer

Duration: Dec 2022 – Nov 2023

Technologies: React, Redux Toolkit, ApexCharts, Stripe, Sass

About the project: Web-based LMS featuring a startup simulator to teach unit economics through interactive lessons and real-world scenarios. Includes a flexible CMS supporting diverse content formats, fully responsive design, Stripe integration for payments, and A/B testing for pricing experimentation.

Responsibilities:

Participated in developing a multi-module EdTech product: marketing landing page, gamified financial simulation, and online learning platform
Built responsive interfaces with React 18, styled using SCSS, and managed state with Redux Toolkit
Developed interactive dashboards, charts (ApexCharts), and game mechanics with animations and guided flows
Integrated Stripe for payment processing and subscription management
Ensured modular structure, reusable components, and consistent UX across all product parts

Shapely (Fitness App) - Front-End Developer

Duration: Jul 2022 – Oct 2022

Technologies: React, MUI, Formik, Chart.js, React-Beautiful-DnD, Moment.js

About the project: Fitness app helping users track workouts, nutrition, and progress toward personal goals. Provides personalized training plans, a workout calendar, and real-time progress tracking with coach support.

Responsibilities:

Implemented drag-and-drop workout routine builder using React-Beautiful-DnD
Integrated data visualization via Chart.js for user progress insights
Designed and styled UI with MUI and Emotion
Handled form validation and input flows using Formik and Yup

EISUB (Government Budget Management) - Front-End Developer

Duration: Jan 2020 – Mar 2022

Technologies: React, Redux, Styled-components

About the project: Financial product for managing local government budgets in Ukraine. The system centralizes budget data and facilitates interaction between financial departments, chief budget holders, and fund recipients.

Responsibilities:

Participated in UI/UX design discussions and developed new features based on finalized designs
Contributed to migrating the codebase from class components to modern functional components with hooks
Integrated and configured a third-party digital signature library; communicated directly with the vendor's technical team to resolve integration issues
Built responsive and maintainable UI with React, Redux, and Styled-components

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