Работал в 4 компаниях 6 лет 10 месяцев
IT, Государственный сектор
Full stack engineer
Hygge Software
IT
1 год 7 месяцев
11.2024 - 05.2026
WILLBE-AI: Multi-tenant B2B Sales Automation Platformhttps://www.willbe.ai
• Independently developed and owned major frontend areas of a multi-tenant B2B sales automation and prospecting platform similar to LinkedIn Sales Navigator.
• Designed and implemented complex lead and account management workflows, messaging scenarios, templates, calendar planning, CSV exports, and role-based functionality.
• Took ownership of frontend architecture using React, Next.js, TypeScript, Zustand, TanStack Query, Tailwind CSS, and shadcn/ui.
• Built complex forms and business workflows with React Hook Form and Zod, including validation, API integration, and error handling.
• Implemented authentication and authorization flows, including JWT refresh, protected routes, and Next.js Middleware.
• Developed internationalization and role-based functionality across a multi-tenant application.
• Integrated external services and product functionality including HubSpot, Lexical, Recharts, React Big Calendar, and Sentry.
• Built automation workflows connecting the product with Telegram, Slack, Gmail, PandaDoc, and PeopleForce using n8n.Internal People CRM: in-house HR platform• Built a full-stack internal CRM for personnel management and extra HR tools (React, Express, Prisma, MySQL).
• Migrated from PeopleForce and wired Slack webhooks for outbound/inbound staff messages.
• Automated workflows with n8n; processed employee images via a BullMQ/Redis job queue (upload, resize, optimize).
Frontend Developer
Miteyda
IT
2 года
05.2023 - 04.2025
- Worked at an outstuffing company on multiple projects, participating in both the creation of new projects from scratch and the development of new features for existing projects.
- Main projects involved stock exchange platforms for an English client, catering to brokers and real estate market retailers, as well as a Biotech project, an application for managing hospital staff and visitors
- Developed an MVP product for a British modeling agency using React, Redux, TypeScript, i18n and Firebase under the guidance of a senior developer.
- Developed a feature that improved the performance of a brokerage application and added new functionality for tracking statistics on the website.
- Developed a project using the Astro framework with Tailwind CSS for an individual client, tailored to the needs of an advertising agency.
- Primary responsibilities included: creating UI components, collaborating with a team of developers and designers, ensuring seamless integration of design and functionality
- Key technologies used: React, TypeScript, Redux-toolkit, MobX, Material UI, Tailwind, i18n.
Airspace and Aircraft Engineer
Antonov Company
Государственный сектор
4 года 1 месяц
08.2019 - 08.2023
- Specialized in customizing and optimizing aerospace systems, focusing on aircraft applications.
- Enhanced system performance and maintained onboard operations for various projects.
- Played a key role in developing and deploying UAVs for Ukraine's armed forces, boosting national defense capabilities.•Contributed to the development of the military cargo aircraft An-178 and its modifications.
Front-end Developer
Baza Trainee Ukraine
IT
10 месяцев
08.2022 - 05.2023
•Collaboratively working with backend developers, designers, and QA teams.
•Immersing in the full cycle of project development.
•Coordinated deployment strategies and integrated payment service solutions, ensuring secure user transactions.
•Implemented a feedback form with Formik, significantly improving reliability and user experience.
•Developing and customizing an admin dashboard tailored to the needs of the project.
•Integrating and handling endpoints using tanstack's useQuery for data fetching.
•Applied Styled Components for modular and maintainable styling, promoting consistency and theming. •Enhanced codebase reliability by swiftly identifying and fixing bugs during code reviews.
Ключевая информация
TypeScript, JavaScript, React, Next.js, Next.js Middleware, Next.js API Routes, Zustand, TanStack Query, Redux Toolkit, next-intl, Tailwind CSS, shadcn/ui, Material UI, HTML5, CSS3, Sass/SCSS, Lexical, Recharts, React Big Calendar, Node.js, Express.js, Prisma, MySQL, MongoDB, Redis, BullMQ, REST API, Axios, JWT authentication, refresh token flow, HubSpot API, Firebase, WebSocket, Jest, React Testing Library, Testing Library User Event, Playwright, n8n, Telegram Bot API, Slack API, Gmail API, PandaDoc, PeopleForce, Git, GitHub, Docker, Docker Compose, Nginx, CI/CD, GitHub Actions, SonarQube/SonarCloud, npm, ESLint, Figma, VS Code, Chrome DevTools.
- Redis
- Typescript
- React.JS
- MySQL
- Next.js
- Node.js
- JavaScript
- Typescript
- Express.js
- BullMQ
- PrismaORM
- Docker
- CI/CD
Учился в 1 заведении
Національний авіаційний університет
Аеронавігація
2019
Владеет языками
Английский
свободно
Может проходить собеседование на этом языке
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Русский
свободно
Может проходить собеседование на этом языке
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Украинский
родной
Может проходить собеседование на этом языке
Может проходить собеседование на этом языке
Денис Олександрович
Денис Олександрович
Full stack engineer

Киев
полная занятость
Характер работы: удаленная работа
Последняя активность 12 часов назад