Lilyana Petkova "CEO", ".NET Developer"

Experience

With extensive experience in software development, solution architecture, and content management systems, Lilyana has built a strong foundation in designing, developing, and maintaining reliable digital solutions. Her professional journey encompasses working with technologies such as .NET, Umbraco, and Sitecore, delivering custom applications, complex integrations, and scalable web platforms. Combining hands-on technical expertise with team leadership and strategic thinking, she focuses on transforming business requirements into efficient, secure, and maintainable solutions while continuously exploring new technologies and development approaches.

LILUZENET LTD, Bulgaria
2020-until now

CEO/.NET Consultant

I’m currently working for an IT technology company as a CEO and a .NET consultant providing software solutions in various business areas using technologies as .NET (C#), MsSQL, HTML, CSS, JavaScript, Umbraco, Sitecore, IIS, Azure,
and dealing with 3rd parties. I’m responsible for integrating some of the best development and security practices by using the latest technologies as well as integrating 3rd party tools and management of Azure and IIS hosting.

• Development and Maintenance of Umbraco projects from version 7 up until the latest

• Development and Maintenance of Sitecore 8/10 projects

• Development of synchronization service

• Development of IP restriction service

• Development of multilingual sites with integration of GEO location API

• Development of reporting services in/with JSON, XML, CSV, XLSX

• Development of custom dashboards, fields, and packages for Umbraco CMS

• Development of search engines by using Lucene and Examine libraries

• Integrating different 3rd parties such as GEO location API, Google APIs, charts

• Development of Web services and microservices

• Management of DevOps processes, Azure hosting and IIS, and SQL Servers

• Integration of security practices and improving SEO

• Configuration of events tracking with Google Tag Manager and Google Analytics

• Collaboration with various stakeholders including clients, scrum teams, and developers

Math and Science High school „Acad.Sergej Koroljov”, Bulgaria
2020-2021

Computer Sciences Teacher

I worked as a Computer Science Teacher with intensive IT training. I was responsible for structuring the training content and educating the students in the basis of C# language by using Console Applications and WFA and demonstrating them some of the best practices in programming

KLEVRET LTD, Bulgaria
2016-2020

NET Developer

I worked as a .NET developer in several projects using technologies as .NET (C#), MsSQL, HTML, CSS, JavaScript, Umbraco, IIS, and dealing with 3rd parties. I developed projects using Database First and Code First approaches for database generation and management.
I led a team of more than 2 developers through several projects using Umbraco 7/8.
I led trainings on trainees and supported junior developers through the entire SDLC by providing several various solutions.

• Development of .NET Framework applications

• Development of Umbraco 7/8 projects

• Development of Angular based projects

• Development of Web services and microservices

• Management of IIS and SQL servers

• Collaboration with various stakeholders including clients, scrum teams, trainees, and developers

STANGA LTD, Bulgaria
2014-2016

.NET Developer

I worked as a developer on multiple .NET projects of several different business areas. The technologies I gained experience include .NET (C#), MsSQL, HTML, CSS, JavaScript, Umbraco, Sitecore and IIS.
I supported a large group of connected applications for TV provider which utilizes .NET, MsSQL with integrated authentication system and several payment providers. Part of the entire process was to manage a big data of information including customer data, video streaming, logging, payments processes.

• Development of .NET Framework applications

• Development of Umbraco 7 projects

• Development of Sitecore 8 projects

• Integration of different 3rd parties such as payment providers

• Development of Web services and microservices

• Management of IIS and SQL servers

• Collaboration with various stakeholders including clients, scrum teams and developers

“DANI 91” ET, Bulgaria
2012-2013

Translator/Teacher

I worked as a Translator from and to English, French and Bulgarian, translating documents for international companies and governments. Also, as a Computer Sciences Teacher for educating the usual user on how to work on Microsoft Office, Photoshop.