Borika e-shop (in progress) / Technical lead

A unified platform that enables the provision and sale of the company's products and services - digital certificates, signatures and timestamp, B-Trust, E-Faktura, Infopay. The backend integrates a variety of APIs that are developed in sync with Borika's team. The frontend is fully decoupled and is deployed in its own pods in the production environment.

Technologies used:

▪ PHP 8.1 / Laravel
▪ Javascript / Angular
▪ Postgres, Redis
▪ Docker / Kubernetes

Sofyiska voda  / Technical lead

A full rewrite of the current website, CMS and CRM of the biggest water service supplier in Bulgaria. The product is based on Bulpros CMS. It integrates with SAP for invoice management. The topology includes load balancing, database master/slave replication, job queues and monitoring services.

Technologies used:

▪ PHP 7.4 / Laravel
▪ Javascript
▪ MySQL, Redis
▪ SOAP

Bulpros CMS (internal) / Software architect, Lead developer

A lightweight, developer-friendly CMS. It provides a minimal base that offers basic functionalities, which can be customized according to specific business needs. Goals:

▪ serve as boilerplate for CMS-like projects
▪ serve as ‘best practices example’ when building apps with PHP/Laravel stack
▪ allow integration into existing Laravel projects to serve their CMS needs

The code is non-opinionated in terms of generating and displaying content. The developer should glue and extend functionality manually, instead of relying on configurations for view logic. The backend is decoupled from the frontend, which allows the front-end implementation to be chosen on a per-project basis.

Technologies used:

▪ PHP 7.4 / Laravel
▪ Javascript
▪ MySQL, PostgreSQL, Sqlite

Kucoinplay / Technical lead

A social interaction platform, where users are rewarded for performing different tasks on various social networks, e.g. 'Tweet a message', 'Comment on a Facebook post', 'Join on a Reddit thread' etc. There are gamification activities like competitions, leaderboards, lotteries, giveaways, mini-games and other realtime actions that incentive users to participate. All of the social activities are validated by bots, which crawl/scrape social networks in order to match the user actions on the social platforms with their respective competition actions on kucoinplay. Technologies used:

▪ Laravel/Postgres for CMS, competitions/games management, statistics
▪ websockets for realtime updates on rank changes, lottery draws, notifications or custom messages
from admin
▪ nodejs/puppeteer for implementation of headless browser scraping engine with parallel processing,
automatic proxy rotation. Used for Facebook, Instagram and Medium
▪ Redis for implementing distributed locks
▪ MySQL for storing bot validation data and scrapper stats and elastic search for Twitter data
▪ nginx for web server and load balancing
▪ Python for implementing telegram scrapper
▪ Docker for implementing Redis apps instances with rotation to avoid api rate limiting