Sefik Ilkin Serengil

Sefik Ilkin Serengil has a strong background in software engineering, with experience at multiple companies. Sefik Ilkin is currently employed as a Software Engineer at Vorboss since 2022. Prior to this, they worked at Yapı Kredi Teknoloji from 2021 to 2022 as a Software Engineer, where they focused on financial risk analysis and fraud projects. Sefik Ilkin played a key role in building a machine learning pipeline for non-performing loan monitoring and utilized technologies such as Oracle, MongoDB, Python, and lightgbm. Additionally, they were elected as a scrum master in their squad.

Before joining Yapı Kredi Teknoloji, Sefik worked at Softtech from 2013 to 2021. In this role, they held various positions, including the Data Science Chapter Lead in the Isbank AI tribe. Sefik Ilkin was responsible for coordinating the technical development and improving the craftsmanship skills of data scientists in the chapter. Sefik Ilkin also worked on projects such as ATM cash flow management optimization, where they used deep neural networks to predict cash withdrawals and deposits for ATMs and calculated the optimum replenishment amount. Additionally, they proposed custom interest rates for savings accounts, which resulted in stable renewal account counts and increased profits. Sefik utilized technologies such as Python, Keras, TensorFlow, Scala Spark, Hadoop, and Hive for these projects.

Prior to their tenure at Softtech, Sefik worked as a Software Developer at SoftTech from 2010 to 2012. In this role, they engaged in SOA integration projects, implementing integration architectures using IBM SOA solutions and developing core services using J2EE technologies. Sefik Ilkin also worked on delivering payment solutions, including developing online bill payment infrastructure and integrating company payment services into the platform.

Overall, Sefik Ilkin Serengil has a diverse range of experience in software engineering, with a strong focus on data science, machine learning, and financial analysis.

Sefik Ilkin Serengil obtained a Bachelor of Science (BSc) degree in Computer Science from Istanbul Ticaret Üniversitesi, which they attended from 2004 to 2009. Sefik Ilkin then pursued a Master of Science (MSc) degree in Computer Science at Galatasaray Üniversitesi from 2009 to 2011.

In terms of additional certifications, Sefik Ilkin Serengil became a Graph Developer - Associate from Apollo GraphQL in July 2022. Sefik Ilkin also obtained the Neo4j Graph Data Science Certified and Neo4j Certified Professional certifications from Neo4j in June 2022 and May 2022, respectively. In April 2021, they earned a certification in Graph Analytics for Big Data from Coursera Course Certificates. Additionally, Sefik Ilkin Serengil completed a course in Machine Learning and received a certificate from Coursera Course Certificates in December 2015.