Yeldar Kossynbay is an accomplished full-stack developer with an impressive academic background in computer science. He holds a Master's degree with a GPA of 3.87/4.0 from al-Farabi Kazakh National University as well as a Bachelor's degree with a GPA of 3.72/4.0 from Kazakh National Technical University.

Kossynbay's professional experience spans a variety of organizations, from being an IT Manager at Sequa Petroleum Kazakhstan to being a Database Consultant at Temirsoft LLC. In the past, he has also worked as a Full-stack Developer for DBI, Frontend Web Developer at DAR Tech and Engineering Specialist at Kazakh National Technical University after K.I.Satpaev. He has also shared his knowledge as an Informatic Technology course Teacher at Turan University.

As a Full-stack Developer freelancer, Kossynbay enjoys creating valuable things beyond mere coding. He has strong skills in front-end technologies such as React and middleware technologies such as Nginx and Docker. His back-end skills include Node.js, express, and Python.

Kossynbay is an expert in a variety of technologies, including MySQL, ElasticSearch, Kafka, Cassandra, and Laravel, and he has a keen interest in web scraping and data movement.