Особисті дані приховані

Personal Data:
Name, Surname Denys, Chykalov

Date, Place of birth 16.08.2004, Donetsk, Ukraine (age 20 years)

Citizenship Ukrainian

Marital status Single

Telegram @bhhhh17

Mobile [відкрити контакти](див. вище в блоці «контактна інформація»)

E-Mail [відкрити контакти](див. вище в блоці «контактна інформація»)

Native languages:
Russian, Ukrainian
Foreign languages:
Self-
Understanding Speaking Writing
assessment
European
listening reading interaction production
level
Independent Independent Independent Independent Independent
German B1 User B1 User B1 User B1 User B1 User
Independent Independent Independent Independent Independent
English B2 User B2 User C1 User C1 User B2 User

Professional activity at CosmoCode:
Employer CosmoCode

Profession Fullstack developer

• Developed and maintained web applications using
JavaScript (ES6+), TypeScript, React.js, and Next.js
• Integrated applications with backend on Node.js
(Express, Nest.js), PHP and Django
• Used Docker for application containerization and
ensuring development environment stability
• Worked with version control systems Git, GitHub,
Responsibilities and and GitLab
2022-2025
experience • Utilized HTML5, CSS3, SCSS, and SASS for
creating responsive and cross-browser interfaces
• Used Figma and AdobeXD for collaborating with
designers and creating interactive prototypes
• Administered and developed websites based on
CMS Typo3
• Implemented agile methodologies using Jira for
project management
Professional activity as freelance developer:
• Developed and maintained web applications and
telegram web applications using JavaScript (ES6+),
TypeScript, Python, React.js, and Next.js
• Integrated applications with backend on Node.js
(Nest.js) and Django
• Used Docker for application containerization and
ensuring development environment stability
• Worked with version control systems Git, GitHub, and
GitLab

Responsibilities and • Utilized HTML5, CSS3, SCSS, and SASS for creating
2023 - 2025 responsive and cross-browser interfaces.
experience
• Used Figma for collaborating with designers and
creating interactive prototypes
• Creating scripts for integration with AI
• Creating AI powered bots to improve business logic for
brands(mainly using VoiceFlow platform)
• Working with Solana blockchain to get and analyze
information
• Experience in building algo trading bots on various
crypto exchange platforms

Skills:
• Programming Languages: JavaScript (ES6+), TypeScript, PHP, Python, Rust, C#,
Solidity
• Frameworks and Libraries: React.js, Angular, Vue.js, Nuxt.js, Next.js, Node.js,
Django, Nest.js, Express.js, Symfony
• Web Technologies: HTML5, CSS3, SCSS, SASS, Tailwind, Webpack, Gulp,
Bootstrap, TailwindCSS, React Router, React Query
• Design Tools: Figma, AdobeXD
• Version Control Systems: Git, GitHub, GitLab
• Package managers: npm, yarn, cargo, pip
• Testing: Jest, React Testing Library
• Servers: Apache, nginx
• Other Technologies: Docker, Ant Design, Context, Redux, Redis, REST API,
Web3
• Project Management: Jira
• Data bases: MongoDB, MySQL, PostgreSQL, Pinecone
• CMS: Typo3
• AI: Claude, Gemini, LLaMA, ChatGPT, QWEN
• Automatization: n8n, make
Additional Information:
• Ability to work in a team and communicate effectively with other team members
• Experience working in fast-paced environments with changing requirements and
deadlines
Links:
• Github for my personal projects:
o https://github.com/denchy17
• Some big projects that I have been working on:
o https://www.aia.de/
o https://www.favrspecs.com/