PhD in Department of Computer Science and Engineering

The Department of Computer Science and Engineering at Pohang University of Science and Technology (POSTECH) offers a combined master's and doctoral program in the theory and practice of computing. The discipline covers algorithms, data structures, software systems, computer architecture, databases, and increasingly machine learning and artificial intelligence, with doctoral research typically focused on one of these specialties. Students build a foundation through advanced coursework before conducting original research that addresses open problems in areas such as distributed systems, computer vision, natural language processing, or systems security, culminating in a dissertation. Programming, mathematical reasoning, and experimental evaluation are central skills developed throughout the degree. Career paths for computer science doctoral graduates include research roles at technology companies, software architecture and systems design positions, and academic or industry research labs, particularly in fast-growing areas like artificial intelligence and data systems. The field connects closely with electrical engineering, mathematics, and statistics, so students often collaborate across departments on applied computing problems. Located in Nam-gu, South Korea, this program has a four-year coursework component, with new cohorts starting in the middle of February or the beginning of September. Instruction is conducted entirely in English, allowing international applicants to pursue the degree without a Korean-language requirement. The combined master's and doctorate structure lets students move from graduate coursework into independent dissertation research within one continuous track, suiting candidates who already hold a background in computer science, software engineering, or a related quantitative discipline and are ready to commit to sustained research in computing.