Denis Bulgakov bulgakovd97

🌐 Language: 🇬🇧 English | 🇷🇺 Русский

🇬🇧 English Version

Hi, I`m Denis 👋

💻 Frontend Developer (React, Next.js, TypeScript) with Fullstack experience (Express, NestJS, PostgreSQL).

🚀 Commercial Projects

📦 B2B platform for managing postal shipments, financial transactions, and interactions with Russian Post (B2B)
🧑‍💼 HR platform for posting vacancies and automating the recruitment process (B2C / back-office)
🏢 Internal portal for employees (back-office)
🤝 B2C platform for finding like-minded people (B2C)

⭐ Experience Highlights

⚡ Developed HR platform with SSR (Next.js) and SEO optimization
🔄 Participated in migration of high-load service from AngularJS to React + Vite
🧩 Built complex dynamic forms, custom browser search, interactive Gantt chart and other business-critical interfaces
🔌 Integrated external APIs and Telegram bots
👥 Worked in cross-functional Agile teams (Scrum/Kanban)

🛠 Tech Stack

🎨 Frontend

⚛️ React, ▲ Next.js
TypeScript, JavaScript
RTK Query, TanStack Query
Vite, Webpack, NX
Redux
React Hook Form, Formik
HTML5, CSS3, SCSS, CSS Modules, styled-components, Material UI

🏗 Architecture & Patterns

Feature-Sliced Design (FSD)
Atomic Design
Microfrontend architecture (Module Federation)
SOLID, DRY, KISS, YAGNI

⚙️ Backend

Node.js, Express, NestJS
REST API
PostgreSQL, MongoDB
TypeORM, Prisma, Mongoose
JWT, OAuth, Telegram Login

🧪 Testing & Quality

Jest, Vitest, React Testing Library
Unit & UI testing
SonarQube, Sentry
ESLint, Prettier, Pre-Commit, Husky
GitHub Actions / GitLab CI/CD

🧰 Other tools

Web API, Swagger, Orval, Telegraf.js, grammY, Strapi, Chart.js, i18next, Git, Jira, Confluence, Miro, Trello

🎯 Work interests

🎨 Building intuitive, responsive, and accessible interfaces with beautiful designs that people actually want to use
📈 Optimization of client web applications
🧠 Deep understanding the details and pitfalls of JavaScript
🧩 Solving complex UX problems
🚀 Exploring new tools and technologies
📚 Improving algorithms and design patterns knowledge
🤝 Sharing experience with colleagues

🌍 Hobbies

🚴 Сycling, 🧗‍♂️ rock climbing, 🏐 volleyball
✈️ Travelling
🎸 Playing guitar and singing
🎧 Listening to podcasts about IT, science, history, sports and art
🐈 Raising my cat Pistachio — taught her to sit and give a paw :)

💬 Contact me

✉️ bulgakovd97@yandex.ru
Telegram: @bulgakovdi

🇷🇺 Russian Version

Привет, я Денис 👋

💻 Фронтенд-разработчик (React, Next.js, TypeScript) с фулстек-опытом (Express, NestJS, PostgreSQL).

🚀 Коммерческие проекты

📦 B2B-платформа для управления почтовыми отправлениями, финансовыми операциями и сотрудничества с Почтой России (B2B)
🧑‍💼 HR-платформа для размещения вакансий и автоматизации рекрутинга (B2C / back-office)
🏢 Внутренний портал для сотрудников (back-office)
🤝 B2C-платформа для поиска единомышленников (B2C)

⭐ Ключевой опыт

⚡ Разработал HR-платформу с SSR (Next.js) и SEO-оптимизацией
🔄 Участвовал в миграции высоконагруженного сервиса с AngularJS на React + Vite
🧩 Реализовал сложные динамические формы, кастомный browser search, интерактивную диаграмму Ганта
🔌 Интегрировал внешние API и Telegram-ботов
👥 Работал в кроссфункциональных Agile-командах (Scrum/Kanban)

🛠 Стек

🎨 Фронтенд

⚛️ React, ▲ Next.js
TypeScript, JavaScript
RTK Query, TanStack Query
Vite, Webpack, NX
Redux
React Hook Form, Formik
HTML5, CSS3, SCSS, CSS Modules, styled-components, Material UI

🏗 Архитектура и паттерны

Feature-Sliced Design (FSD)
Atomic Design
Microfrontend architecture (Module Federation)
SOLID, DRY, KISS, YAGNI

⚙️ Бэкенд

Node.js, Express, NestJS
REST API
PostgreSQL, MongoDB
TypeORM, Prisma, Mongoose
JWT, OAuth, Telegram Login

🧪 Тестирование и качество кода

Jest, Vitest, React Testing Library
Unit & UI testing
SonarQube, Sentry
ESLint, Prettier, Pre-Commit, Husky
GitHub Actions / GitLab CI/CD

🧰 Другие инструменты и технологии