Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/20721910/

Work experience

FULL STACK WEB DEVELOPER

from 03.2025 to 04.2026 (1 year 2 months)
ProArea, digital agency, Дистанційно (IT)

**Key Responsibilities and Achievements**

**AI-Powered SaaS Platform — Salesdep**

- Developed backend functionality for an AI-powered SaaS platform focused on sales automation, lead engagement, and CRM workflows.
- Implemented AI assistant logic, including prompt behavior, decision-making, response processing, and business rules.
- Designed a multilingual language-selection algorithm using browser settings, Telegram preferences, detected language, and explicit user requests.
- Built knowledge-base functionality, enabling AI assistants to process uploaded files and use their contents in responses.
- Improved appointment scheduling with date recognition, working-hour validation, and Google Calendar integration.
- Developed and maintained CRM integrations, including contact synchronization with HubSpot and Pipedrive.
- Implemented file upload, processing, and delivery for Telegram and web chat channels.
- Integrated OpenAI, Facebook, Instagram, WhatsApp, Telegram, and other external services.
- Contributed to a microservice architecture using Laravel, Node.js/Express, Redis, PostgreSQL, and asynchronous processing.
- Improved code quality through refactoring, unit testing, bug fixing, and architectural enhancements.

**WhoPaid — Expense Management Application**

- Architected and built the backend from scratch using Laravel and PHP, defining the database structure, application architecture, and core business logic.
- Designed REST APIs and authentication for users, groups, friends, and financial transactions.
- Implemented expense splitting, repayments, balance calculations, and debt simplification algorithms.
- Developed invitation and onboarding workflows, including verification, membership states, and account merging.
- Built backend modules for user profiles, settings, contacts, groups, transactions, and activity feeds.
- Integrated Stripe subscriptions to support free and paid plans.
- Implemented push notifications using OneSignal and email communication workflows.
- Developed the admin panel using Laravel Nova for operational management.
- Established backend quality processes with PHPUnit tests, CI/CD pipelines, static analysis, and PHPCS.
- Improved maintainability through refactoring, Swagger/OpenAPI documentation, logging, and ongoing optimization.

Web developer

from 08.2019 to 05.2025 (5 years 10 months)
DEVELOPMENT AID, Дистанційно (IT)

Key Responsibilities:
Refactoring and code optimization to improve performance and read ability.
Bug fixing and enhancement of existing features on the website and admin panel.
Developing new features:
Call for Partners - implemented a feature for partner applications.
Webinar access via membership - developed a system for granting access to webinars based on membership status.
User IP verification - implemented a feature to verify a user’s country based on their IP to prevent unauthorized profile
sharing.
Working with APIs and databases - integration, configuration, and query optimization.
Enhancing the admin panel - improving UI/UX for administrators and adding new functionalities.
Integrating Elasticsearch - developing advanced search and filtering functionalities.
Testing and debugging - performing unit testing for critical application components.
Tech Stack:
Backend: PHP (Laravel, Doctrine), MySQL, Elasticsearch
Frontend: Angular, JavaScript, HTML, CSS
DevOps: DockerTesting: PHPUnit

Full stack developer

from 03.2018 to 06.2019 (1 year 4 months)
A-STAR, Дистанційно (IT)

- Working with backend part of Web Application ASP.NET Core
- Maintaining performance of existing website
- Maintaining performance of existing TV (LG)
- Diagnosing and rectifying performance issues
- Working on frontend and backend parts of the website
- Working on frontend and backend parts of TV (LG)
- Developing web code
- Working in a team
- Working with speech recognition on website
- Creating bot with client and server part using direct line with websockets
- Working with LUIS(Language Understanding Intelligent Service)
- Working with WebRTC, video/audio streams
- Working with Telerik
- Little experience with networks, SignalR

Web developer

from 02.2017 to 04.2018 (1 year 3 months)
DEVELOPMENT AID, Дистанційно (IT)

- Maintaining performance of existing website
- Diagnosing and rectifying performance issues
- Working on frontend and backend parts of the website
- Developing web code
- Working in a team
- Working with PHP, laravel, JavaScript, angularjs, angular, doctrine, elastic, HTML, CSS, git, docker, unit tests, SQL

Backend developer

from 10.2015 to 02.2017 (1 year 5 months)
CEDACRI INTERNATIONAL, Дистанційно (IT)

- Creation of programs and maintenance of financial and banking systems in Italy.

Education

Державний університет Молдови

INFORMATION TECHNOLOGY (IT), Київ
Unfinished higher, from 2015 to 2020 (5 years)

Additional education and certificates

WEB AND TV DEVELOPING

2018, 4 місяців

Knowledge and skills

• Продуктивність
• HTML
• CSS
• JavaScript
• GitHub
• Git
• MySQL
• TypeScript
• SQL
• SASS
• PHP
• Laravel
• Laravel Nova
• REST API
• Vue 3
• Vue.js
• OpenAI
• Stripe
• Google API
• OneSignal
• HubSpot
• Pipedrive
• Docker
• Docker Compose
• CI/CD
• PHPUnit
• Swagger
• Node.js

Language proficiencies

• English — above average
• Ukrainian — average
• Romanian — above average