Profile
1PersonBuilder2.setName("Yujing Gao")3.setAge(0.000000000)4.setGender(Gender.MALE)5.setJob("Software Engineer II")5.setJob("Software Engineer Senior")6.addInterests(7List.of("Coding", "Gym")8)9.addEducation(10new Degree("B.S. in Computer Science, Software Systems", "Columbus State University", LocalDate.of(2020, 5, 15)),11new Degree("M.S. in Computer Science, Software Development", "Columbus State University", LocalDate.of(2021, 8, 4)),12Degree.inProgress("M.S. in Computer Science, Machine Learning", "Georgia Institute of Technology OMSCS")13)14.build();Life Journey
Designing resilient clearing and settlement systems for high-volume transaction processing.
Pursuing a second CS master's with a machine learning focus.
Built modern payment platforms that moved core batch processing beyond legacy mainframes.
Built enterprise Java services and learned legacy modernization from the inside.
Mentored STEM students while sharpening communication and coaching skills.
Built the foundation for software engineering, systems, and applied CS work.
Published NFC-based multi-factor authentication research.
Selected Work
Published paper on 2019 IEEE SoutheastCon entitled Multi-Factor Stateful Authentication using NFC and Mobile Phones. The project implemented a Windows Authentication System using technologies like AES Encryption, pGina, and Android Host-based Card Emulation.
Explore ProjectHelp a local family-owned business design and implement online menu system. The system allows customers to place an order online and restaurant owner will get notified by email. Frameworks like React and Redux are used for handling large and complex menu dataset.
Explore ProjectParticipated in the 2019 Master the Mainframe competition hosted by IBM and was recognized as 2019 Global Part 2 Winners and Part 3 Finishers. Through this experience, I gained knowledge of various mainframe programming languages, including Mainframe Assembler, JCL, and COBOL.
Explore ProjectKind Words
Thank you for guiding and mentoring our interns. With your coaching, they have accomplished great things. I am genuinely grateful for all your wisdom and advice that you have shared with all our team members, including our interns.
I am beyond grateful for your dedication to this project to make it right. I would be happy to help if you ever need a letter of recommendation, as I'm sure any employer would be pleased to know what kind of a person he's considering.
Yujing, I am so incredibly proud of you! Your hard work and determination to succeed inspire everyone around you! I am genuinely excited and eager to see the amazing things you will accomplish in the future. Keep being awesome!
I want to express my heartfelt gratitude to you for generously offering your time and expertise to support our student, as it will undoubtedly have a significant impact on the professional development of our CS and IT students.
Your work demonstrates a wonderful example of interdisciplinary work that we always aspire for. This speaks volumes about the calibre of our faculty and students. We won't miss an opportunity to brag about this achievement.
Copyright © Yujing Gao 2026. All Rights Reserved
Made with in Columbus, GA, USA
Writing
Stephen R. Covey's classic is less about doing more tasks and more about building the character, principles, and relationships that make effective work sustainable.
Understanding pod-to-pod communication, ingress controllers, and service mesh patterns in production clusters.
Traces, metrics, and logs — the three pillars and how to wire them together with OpenTelemetry.