I am Todor Kostov. A software engineer based in Sofia πŸŒ‡ ****with 9 years of experience in the software industry. My focus area for the past few years has been native mobile development with Android.

πŸ“«Contact information

πŸ“§ Email β†’ [email protected]

πŸ“ Medium β†’ @kostovtd

πŸ“ Blog β†’ www.kostovtd.com

❓ StackOverflow β†’ todor-kostov

🐦 Twitter β†’ @kostovtd

πŸ’Ό LinkedIn β†’ in/kostovtd

πŸ’» GitHub β†’ kostovtd


πŸ—οΈ Work experience

<aside> πŸ›  Android Developer πŸ’Ό TopView πŸ—ΊοΈ Sofia, Bulgaria πŸ“… September 2022 β†’ December 2024 ⚑ TopView is one of the leading sightseeing activity providers in New York. There I was working on three different applications:

β€’ Redesigned and developed a customer-facing Android application for ticket redemption, leveraging tools such as Room, LiveData, Flow, ViewModels, and Hilt to enhance user experience and maintain scalability.

β€’ Supported a legacy Android application for ticket sales used by TopView sellers, integrating external thermal printers (e.g., Zebra and Datecs) to streamline operations.

β€’ Maintained an Android application for ticket validation on TopView buses, ensuring seamless and efficient passenger check-in.

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<aside> πŸ›  Android Developer πŸ’Ό Scaleforce πŸ—ΊοΈ Sofia, Bulgaria πŸ“… August 2017 β†’ February 2022 ⚑ Delivered a robust, user-friendly, native Android application to streamline workforce management for Excitel (one of the fastest growing ISPs in India). Supporting key workflows such as new customer acquisition, sales statistics, device management, and employee management (e.g., leave tracking, attendance, location monitoring, and team meetings).

Integrated advanced tools and services, including Firebase for real-time data synchronisation, Auth0 for secure authentication, and Alooma for efficient data pipeline management.

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<aside> πŸ›  Android Developer πŸ’Ό Sirma Solutions πŸ—ΊοΈ Sofia, Bulgaria πŸ“… September 2016 β†’ May 2017 ⚑ Developed mobile applications for various clients.

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<aside> πŸ›  Android Developer πŸ’Ό Bianor πŸ—ΊοΈ Sofia, Bulgaria πŸ“… February 2016 β†’ September 2016 ⚑ Involved in all levels and phases of the development process of an Android application designed to simplify the method of obtaining landing and overflight permits for the owners of private aircrafts.

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<aside> πŸ›  Junior Android Developer πŸ’Ό Bianor πŸ—ΊοΈ Sofia, Bulgaria πŸ“… April 2015 β†’ February 2016 ⚑ Took part in the development of an Android application aimed to provide support for custodial and non-custodial parents in the U.S.

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<aside> πŸ›  Intern Android Developer πŸ’Ό Bianor πŸ—ΊοΈ Sofia, Bulgaria πŸ“… February 2015 β†’ April 2015 ⚑ Worked on a white label software designed for the telecommunication industry.

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πŸ—£οΈ Languages

Bulgarian πŸ‡§πŸ‡¬ 🟒🟒🟒🟒🟒

Native speaker

English πŸ‡ΊπŸ‡Έ 🟒🟒🟒🟒⚫

Professional

Spanish πŸ‡ͺπŸ‡Έ 🟒⚫⚫⚫⚫

Basic