Andrey

PROFESSIONAL SUMMARY

Dedicated and results-oriented Fullstack
Developer with a proven track record of
delivering high-quality software solutions.
Proficient in a range of technologies with
broad experience in optimizing performance.
Driven to bridge the gap between
technology and business value.
ANDRII DUBCHAK
FULLSTACK DEVELOPER
EXPERIENCE
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Fullstack Developer
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@lierzilla
Darabots
November 2025 – January 2026
RELEVANT SKILLS
Achievements:
Programming Languages / Technologies Built a large-scale platform for managing sales,
Languages: JavaScript (ES2015), PHP products, and Telegram bots for an international
Frontend Libraries & Frameworks: ReactJS,
company: centralized business processes and
React Native, Expo, VueJS, Redux, Styled-
improved operational control.
components
Backend Technologies: NodeJS, ExpressJS, Developed a customizable Telegram bot builder:
Laravel (Blade), eJS enabled flexible configuration and full
Data Formats: XML, JSON restructuring of bot logic without code changes.
Design Patterns & Architectures: MVC, Integrated multiple CRM systems (e.g., Bitrix24):
OOP, JavaScript Design Patterns automated lead processing and synchronized
Styling: CSS2, CSS3 customer data across platforms.
Build Tools: Webpack
Responsibilities:
APIs / Integrations
Developed Telegram bots and Web Applications,
APIs: Google Maps API, Twitter API, Meta
including bot logic, admin panels, and user
API, Telegram Bot API, Firebase, Swagger
interfaces.
Databases Designed and implemented REST APIs to support
MySQL, PostgreSQL, Redis, MongoDB scalable client-server architecture.
Built complex CRM systems for managing
Frameworks Telegram bots, user interactions, and business
ExpressJS, Laravel, Yii, Yii2 data flows.
Integrated third-party APIs and external services
DevOps / Application & Web Servers into internal systems.
AWS, Nginx, Apache, Docker
Ensured deployment, maintenance, and stability
of production environments.
CMS / UI Libraries
WordPress
Metronic

Development Methodologies
Agile, Waterfall
ANDRII EXPERIENCE

DUBCHAK Backend Developer
FULLSTACK DEVELOPER
Aestar
December 2024 - November 2025
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Achievements:
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Integrated AI music generation using Suno API:
implemented seamless backend interaction for
RELEVANT SKILLS dynamic audio content creation.
Delivered 10+ backend systems for various
Development Tools projects: designed scalable architectures and
WebStorm, Sublime Text, VSCode reusable components, reducing development
time across projects.
Testing Tools Built and deployed production-ready systems:
MochaJS, Codeception ensured high availability, stability, and
performance in real-world environments.
Project Management / Collaboration
Jira, Trello Responsibilities:
Designed and developed databases and REST
APIs from scratch, ensuring scalability and
maintainability.
Integrated third-party APIs (Suno AI, SoundCloud,
OpenAI) into backend systems.
Deployed applications to production servers,
managed hosting infrastructure, domains, and
server maintenance.
Integrated Three.js-based modules into
WordPress projects.
Maintained and documented APIs using
Swagger/OpenAPI.
ANDRII EXPERIENCE

DUBCHAK Lead Fullstack Developer
FULLSTACK DEVELOPER
Yellow Duck Coders
April 2024 – November 2024
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Achievements:
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Built a CRM from scratch using Laravel Blade: Led
the development of a comprehensive CRM
solution, tailored to meet the specific needs of the
business. The system integrated customer
management, reporting tools, and communication
features, significantly improving operational
efficiency.
Developed the synchronization algorithm with the
client's Firebird database: Designed and
implemented a robust algorithm for real-time data
synchronization between the CRM system and
the client's legacy Firebird database, ensuring
data consistency and reducing manual
intervention.
Designed a database architecture with around
700 tables: Architected and optimized a complex
database system with over 700 tables, ensuring
scalability, data integrity, and efficient queries to
support the CRM's growing demands.

Responsibilities:
Led a team of developers in the full-stack
development of web applications
Worked with both front-end (Laravel Blade) and
back-end (PHP, MySQL, Firebird)
Designed and maintained complex database
schemas, optimized queries, and ensured
database scalability and performance
ANDRII EXPERIENCE

DUBCHAK Lead Fullstack Developer
FULLSTACK DEVELOPER
Galogram
October 2018 – December 2023
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Achievements:
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Acted as a lead developer for clients' flagship
products, including energy management
solutions for smart cities and a Tinder-like job
portal
Increased the company's revenue by 15% by
optimizing the pricing page
Achieved 5x search speed compared to the
industry average using elastic search technology
Reduced the codebase size by 30% without
sacrificing performance -> facilitated
maintenance
Developed an optimized admin panel that
reduced time to address customer requests by
25%

Development Responsibilities:
Web and mobile applications
React-Native applications
DB and Lambda microservices
React JS web services
SSR, Admin Panel, Social media bots

EDUCATION HISTORY

Master of Science in Computer
Science
Institution: National University of Food
Technologies
ANDRII EXPERIENCE

DUBCHAK Other

FULLSTACK DEVELOPER Achievements:
Developed a CRM system for healthcare
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Created various websites and interactive widgets
on WordPress, enhancing client engagement and
providing tailored solutions that met specific
business needs.
Built scalable and efficient backends for online
stores using Node.js, improving product catalog
management and enhancing the overall
customer experience.
Developed custom bots on Node.js, automating
tasks such as social media posting, data scraping,
and customer service interactions, leading to time
and cost savings.
Designed and developed FrontEnd websites
using PHP, focusing on intuitive user interfaces
and seamless user experiences to boost
customer retention and satisfaction.

Development Responsibilities:
Custom CRM system for medical institutions:
End-to-end development, including database
design, user interface creation, and integration
with third-party systems.
WordPress websites and widgets: Building
custom themes, plugins, and interactive widgets
to enhance functionality and user interaction.
Backend services for e-commerce platforms
using Node.js: Designed APIs and real-time
systems for order management, inventory
tracking, and payment gateway integrations.
Development of bots on Node.js: Designed and
built automated bots for social media, web
scraping, and customer support to improve
operational efficiency.
FrontEnd websites on PHP: Worked on the
development of dynamic websites with a focus
on responsive design, performance optimization,
and integration with backend services.