Ünal Çalışkan is a Lead Developer at DefineX-ConsultingITechnologyILabs, boasting over 10 years of hands-on experience in technical analysis, design, and development within the telecommunications sector. They have previously held positions as a Senior Java Consultant at Turk Telekom and Vodafone, and as an Oracle Developer at TEB and BELBIM. Their expertise spans a wide array of technologies, including Java, Spring, and database management, and they are proficient in both customer and vendor interactions. Ünal earned a Bachelor's degree in Computer Engineering from Çanakkale Onsekiz Mart Üniversitesi.