About - Ray Informatics


Ray Informatics is a company which is formed by a team whose members have different backgrounds. Our major purpose is that we try to make people's work or education easier by making handy and efficient applications and websites.


We make applications in different kinds of areas such as photography, finance, education. Our applications are easy to use and have simple and user-friendly design.

Meet Ray Informatics Team


The team is composed of five hard-working members who are expert in their profession. Mehmet Emin Gulsen, leading android developer, is a clever and practical person. Ahmet Serdar Karadeniz, leading iOS developer, is a very smart and creative person. He is also called as problem solver. Mehmet Fatih Karadeniz, leading web developer, is a dedicated and eager person. Mustafa Cagri Guven, finance director, is a motivated and diligent person. He is also called as problem detector. Tevfik Aktay, marketing director, is an industrious and entrepreneurial person.

Mehmet Emin Gulsen - CEO & Leading Android Developer

Determined industrial engineer and Android developer. Has ability to understand and improve real sector with his strong background in the sector. Creates solutions to problems of customer immediately and perfectly.

Ahmet Serdar Karadeniz - Leading iOS Developer

A dedicated prospective mathematician and software developer. Has mathematical thinking skills and can use them in related fields. Has strong willingness to learn about new concepts and technologies.

Mehmet Fatih Karadeniz - Leading Web Developer

A dedicated and eager physicist and web developer. Enjoys both being part of and leading a team. Has ability to work with a team. Has high curiosity for Computer Science and Mathematics. Has an enthusiasm to learn programming languages. Has ability to solve problems in Physics or Mathematics carefully. Has self-discipline in academic and normal life. Has ability to be calm in unexpected situations.

Mustafa Cagri Guven - Finance Director

One of the founders and finance director of Ray Informatics. Graduated from Business Administration programme in METU. Enjoys learning and creating new things. Has special interest about finance world. Also enjoys detecting problems related to products and processes.

Tevfik Aktay - Marketing Director

An industrial engineer who is forward looking person and dedicated professional in business. Works team-oriented and has ability of creative and analytical thinking. Interested in innovative engineering fields and marketing strategies. Works with respect for humanity and nature.