omid rajabalian

Angestellt, Senior Backend Developer, HotelNetSolutions GmbH
Abschluss: Master, Amirkabir University of Technology
Berlin, Deutschland

Fähigkeiten und Kenntnisse

C#.NET
E-Commerce
.Net Core
.NET Framework
Microsoft SQL Server
agil
Unit Testing
TDD
Angular
jQuery
JavaScript
ASP.NET
MVC
MongoDB
SignalR
Softwareentwicklung
Online shopping
Online-Shops
System
Verantwortungsbewusstsein
Java
C#
AWS
Redis
Microservices
.NET
Blazor
Git
MS SQL
Agile
Jira
SQL Server
HTML
CSS
NUnit
XUnit
Rabbitmq
OOP
Entity Framework
TFS
Mongo DB
Microservice Architecture
Web API
MVC .Net
PCI Proxy
OTA
PMS
Hotel business
ERP
Software
Computer
Docker
ASP
REST
Computer Science
Backend
TypeScript
React
Database
Scrum
Full-stack development
Credit Cards

Werdegang

Berufserfahrung von omid rajabalian

  • Bis heute 5 Jahre und 3 Monate, seit Aug. 2020

    Senior Backend Developer

    HotelNetSolutions GmbH

    Driving backend development for large-scale hotel booking and PMS systems, focusing on performance optimization, scalability, and secure payment processing. Implemented PCI Proxy, a secure credit card tokenization system that replaces sensitive PAN data with tokens, reducing PCI scope, ensuring compliance, and enabling secure refunds and settlements without storing data. Developed robust APIs to integrate with 50+ OTA and PMS systems, eliminated bottlenecks, achieving 30%+ performance improvement

  • 10 Monate, Nov. 2019 - Aug. 2020

    Full-Stack Developer

    DREAMLINES GmbH

    Dreamlines as a market leader for Booking Cruise • Modify and create new features automatic offers, discount services, managing booking, and orders based on scrum methodology for more than 46 cruise lines. • Improvement of 50% of server space with NoSQL logging system. Technologies: MVC .Net, Entity Framework, Angular, jQuery, HTML, CSS, AWS DevOps, Jenkins, Octopus, Git, Jira

  • 2017 - 2019

    Lead/Team manager And Full-Stack Developer

    Shanikala

    Marketplace e-commerce using multi-vendor and multi-store functionality (B2B and B2C). • Implementing easily connected to 3 database engines - SQL Server, MySQL, and PostgreSQL. • Fully extensible, stable, decreasing 30% develop time, and highly scalable with a plugin architecture. • Achieve excellent performance with caching system and async methods and fetch the most important data in under 2 seconds. Technologies: MVC .Net Core, Telerik, Bootstrap, jQuery, HTML, CSS, NUnit, Web API

  • 2015 - 2017

    Full-Stack .Net Developer

    Refah Bank

    Refah Bank is one of the great banks in Iran with over 1,000 branches and more than 25 million customers. • Maintenance of a system for more than 100 big organizations to see their financial reports and analyze their transactions. • Improved performance significantly by reducing the queries to the core by 40% (Saved up to 5.5 million queries/day) Technologies: .NET, Windows Service, SQL Server, MVC .Net, Web API, Entity Framework, Telerik, Windows Service, Fast report

  • 2013 - 2015

    Senior Software Developer

    Eniac

  • 2010 - 2013

    .Net Developer

    Sanatyar Company

    • Monitoring project: Sending a lot of important logs in under 1 second to the operator by SignalR. A windows application sends log data to the client web page using self-host SignalR. • ERP Project: develop new features for inventory and accounting systems for 400 clients. Technologies: C#, Asp.Net Web Form, JavaScript, HTML, CSS, Entity Framework, Telerik, SQL server, SignalR, Active Report

Ausbildung von omid rajabalian

  • 2014 - 2016

    Computer Science

    Amirkabir University of Technology

Sprachen

  • Persian

    -

  • Englisch

    Fließend

  • Deutsch

    Grundlagen

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