# Donghyun Kim > Fullstack Software Engineer experienced with RDBMS, AWS, and crypto-currencies Location: Watertown, Massachusetts, United States Profile: https://flows.cv/donghyun Software engineer specializing in back-end development. Strong engineering background with experience programming crypto-currency exchange, relational databases, and sensor firmware. Well-versed in numerous programming languages including Swift, Java, Python, JavaScript, and C. Experienced in working independently and with teams in both corporate and startup environments. Need H1b Visa sponsorship to work in the U.S. ## Work Experience ### Software Engineer @ Streami Inc. Jan 2017 – Jan 2018 | Gangnam-gu, Seoul, Korea - Developed deposit & withdrawal modules of a cryptocurrency exchange using Java, Python, and JavaScript - Deployed servers using Amazon Web Services, utilizing functions such as Lambda and ECS - Programmed and managed smart contracts through Solidity and blockchain build ### Software Engineer @ TmaxData Co., Ltd. Jan 2015 – Jan 2017 | Seongnam, Gyeonggi-do, Korea - Developed and programmed a query processing engine for a relational DB management system named Tibero - Published a patent on a method to process GROUP BY operation that can reduce query times in appropriate conditions by up to 20%: KIPRIS Patent #10-1747262-0000 “Method And Apparatus For Reducing Query Processing Time By Dynamically Changing Algorithms And Computer Readable Medium Therefor” - Developed ORDBMS module handling object type creation, object type storing, and data manipulation language (DML) with object types and object inheritance ### Software Enginner @ IS Technologies Co., Ltd. Jan 2013 – Jan 2015 | Yeonsu-gu, Incheon, Korea - Developed and programmed embedded firmware of automotive ultrasonic sensors used for PAS (Parking Assistance System) installed on Hyundai vehicle models (HD, MD, AD, HG) and BSD (Blind Spot Detection), company’s new technology project - Renovated software development process to comply with ISO-26262, safety for vehicular electronic systems - Conducted ultrasonic sensor product quality assurance (EMC tests, thermal shock tests, and waterproof tests) ## Education ### Master of Science (MS) in Aerospace, Aeronautical and Astronautical Engineering Stanford University ### Bachelor of Science (B.S.) in Aerospace, Aeronautical and Astronautical Engineering Georgia Institute of Technology ## Contact & Social - LinkedIn: https://linkedin.com/in/donghyun-kim-85b96213a --- Source: https://flows.cv/donghyun JSON Resume: https://flows.cv/donghyun/resume.json Last updated: 2026-03-31