Sadik Avllaj

is looking for freelance projects. 🔎

Angestellt, Software Developer, KJ Software
Tirana, Albania

Fähigkeiten und Kenntnisse

PHP
Laravel
Software Development
SQL
JavaScript
HTML
CSS
Agile Methods
GraphQL
MySQL
REST
Git
Docker
Web
Database
Backend
API
jQuery
Full-stack development
Website Development
Computer Science
E-Commerce Applications
Online shopping
Code
GitHub
React
Frontend
Debugging
Technology
Interface Design
Web-Engineering PHP
Symfony Frameworks
PHPUnit
PostgreSQL
Apache
Linux
Nginx
Software framework
TDD
MVC
LAMP
Web applications
Bootstrap (front-end framework)
CodeIgniter
Application
Deployment
TypeScript
PHP Developer
System
SOAP
RDBMS
Object Oriented Programming (OOP)
SQL Server
Python
Flask (web framework)
Redis
SOLID principles
AWS
CI/CD
Node.js
Microservices
Team work

Werdegang

Berufserfahrung von Sadik Avllaj

  • Current 2 years and 8 months, since Oct 2023

    Software Developer

    KJ Software

    Maintained and developed backend applications using Python (Flask), PHP (Laravel, Symfony), and React. Worked with REST APIs, third-party integrations, Stripe payments, AWS S3/SES, and microservice-based CRM systems using Node.js and TypeScript. Implemented shopping cart features, document management systems, automated CI/CD pipelines with Bitbucket and SonarQube, and wrote unit/functional tests with PHPUnit.

  • 8 months, Mar 2023 - Oct 2023

    Fullstack Developer

    Myticket.al

    Maintained and improved the Myticket.al PHP application by enhancing backend architecture using SOLID principles, dependency injection, PHP types, and automated tests. Implemented payment integrations (BKT, Paylink, UPay), Redis queue retry systems, email/SMS notifications, and frontend interfaces with JavaScript and jQuery. Also configured CI/CD pipelines, staging deployments, and Dockerized environments.

  • 2 years and 3 months, Jan 2021 - Mar 2023

    Backend Developer

    Kreatx

    Maintained and developed a Billing and Invoice System for a Water Utility Company using Symfony. Implemented REST APIs with Swagger, improved report generation and SQL performance, optimized stored procedures and database schema, and enhanced CSV import scripts. Added daily database backups, RabbitMQ-based async queues, CI pipelines with Bitbucket, and automated API/integration testing.

  • 5 months, Aug 2020 - Dec 2020

    Software Developer PHP

    Atis Software Factory

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