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Регистрация: 01.04.2026

Роман Лазука

Специализация: Frontend / Fullstack Developer (React, Node.js, Web3)
— Frontend Developer with nearly 7 years of experience in JavaScript, TypeScript, React, and Node.js. — Specialized in building complex applications for DeFi, GameFi, regulated healthcare environments, and other high-load product domains. — Led modernization of a core DeFi platform and built a React-based Telegram Web App for an audience of several million players. — Strong in modern frontend architecture, including microfrontends, monorepos, and reusable design systems.
— Frontend Developer with nearly 7 years of experience in JavaScript, TypeScript, React, and Node.js. — Specialized in building complex applications for DeFi, GameFi, regulated healthcare environments, and other high-load product domains. — Led modernization of a core DeFi platform and built a React-based Telegram Web App for an audience of several million players. — Strong in modern frontend architecture, including microfrontends, monorepos, and reusable design systems.

Скиллы

JavaScript
TypeScript
React
Next.js
Node.js
Express.js
NestJS
Vue.js
Redux
Zustand
MobX
Apollo
ESLint
Prettier
Husky
Databases
HTTP / HTTPS
Fetch
Axios
REST API
OAuth
JWT
WebSockets
GraphQL
Git Flow
GitHub
GitLab
Webpack
Vite
NPM
YARN
WebStorm
Figma
Postman
Swagger
Jira
Confluense
Testing
Modular
Feature-sliced
Micro-frontends
Mono & Turborepo
HTML / CSS
MUI
ANTD
Tailwind
Mantine
Bootstrap
Styled Component
Storybook
Web3

Опыт работы

Fullstack Developer
12.2024 - 12.2025 |Minterest
Web3, Turborepo, React 17-19, Material-UI 5-7
Sole frontend developer responsible for two Web3 applications: modernization of the core DeFi product and delivery of a new MVP from scratch. ● Led the architectural redesign of the core DeFi application, modernizing legacy code and reducing technical debt across the frontend. ● Built a new MVP from scratch in a Turborepo monorepo, creating a reusable UI theme and component library for faster product development. ● Migrated financial charting from outdated Chart.js to MUI X-Charts, improving maintainability and the overall user experience. ● Upgraded major dependencies across the project, including React 17 to 19 and Material UI 5 to 7, enabling a full redesign on a modern stack. ● Owned frontend delivery end to end: architecture, implementation, release preparation, and ongoing maintenance. ● Delivered responsive, accessible, and high-performance interfaces for complex DeFi user flows.
Frontend Developer
02.2024 - 12.2024 |Hexacore
React, Telegram SDK, Next.js, Unity
Sole Frontend Developer across two company projects, including a React-based Telegram Web App with an audience of several million players and a Next.js web application for integrations and additional product functionality. ● Architected and launched a Telegram Web App using React and the Telegram SDK for a large-scale GameFi audience. ● Implemented payment flows via TON, Solana, and Telegram Stars to support in-app purchases and Web3 transactions. ● Integrated the frontend with Unity-based game experiences to support product interactions inside the Telegram Web App. ● Built responsive interfaces optimized for mobile-first usage and high traffic. ● Handled debugging and issue resolution across the application lifecycle to keep product quality stable at scale.
Frontend Developer
12.2021 - 02.2024 |AndersenLab
React, Microfrontends, Jest, React Testing Library, MSW
Worked on healthcare products, including a renal care platform from Singapore, in a large team using React, microfrontends, and offline-first capabilities. Contributed to projects operating under regulated quality standards, including ISO 13485 and ISO 9001. ● Delivered features across three projects with different business domains and technical requirements. ● Conducted technical interviews for frontend candidates as part of the hiring process. ● Built adaptive, responsive interfaces for complex product workflows in a healthcare environment. ● Created and extended design system components to support consistent UI development across teams. ● Refactored existing code to improve maintainability, readability, and long-term scalability. ● Wrote unit and integration tests with Jest, React Testing Library, and MSW for critical UI flows. ● Participated in code reviews and improved overall code quality through team collaboration and engineering feedback. ● Investigated and resolved product issues to support stable releases and day-to-day development.
Frontend Developer
04.2021 - 12.2021 |Bimium
React, TypeScript
Worked on a product based on the open-source xeokit-sdk library and contributed to a B2B CRM system with multiple user roles. ● Delivered frontend functionality in React and TypeScript as a key developer on the project. ● Improved overall code quality by acting on SonarQube findings and addressing technical debt. ● Strengthened engineering practices through cleaner code review processes and improved frontend style guides. ● Collaborated with business stakeholders, backend engineers, business analysts, and QA to explain solutions and support delivery.
Frontend Developer
07.2020 - 04.2021 |You are launched
Next.js, MUI, GraphQL, TypeScript
Worked on multiple startup products and delivered frontend functionality for greenfield applications. Built web applications from scratch using Next.js, MUI, GraphQL, and TypeScript. ● Implemented adaptive interfaces from Figma designs and integrated UI components to improve usability and visual quality. ● Refactored existing components and migrated parts of the codebase to TypeScript. ● Improved code style and overall code quality across active projects. ● Optimized SEO and application performance, and integrated Google Analytics and Firebase Analytics.
Frontend Developer
04.2019 - 07.2020 |Fulogy Company Group
Next.js, GraphQL, TypeScript
Worked on a CRM system integrated with a marketplace for a furniture manufacturing company and on an MVP social network for designers. ● Delivered new features and fixed product issues across both applications. ● Built applications from scratch using Next.js, GraphQL, and TypeScript. ● Worked directly with the customer on sprint planning and fast technical support. ● Coordinated code reviews for trainees and junior developers. ● Interviewed 20+ candidates for junior frontend positions.

Образование

International Management
2008 - 2012
Belarusian State University

Языки

АнглийскийВыше среднегоРусскийРодной