Justus Soh
Senior Software Engineer at Visa
Singapore
Summary
👤
Senior🎓
Top SchoolJustus Soh is a Senior Software Engineer with seven years of experience building resilient, secure payment and authentication platforms at scale. At Visa he led the Token Service Identity & Verification platform, delivered FIDO passkeys for merchant-facing flows, and owned the full SSDLC for globally distributed services with 99.99% uptime. He has a strong backend focus (Java, Spring Boot, microservices, CI/CD) and a track record modernizing legacy systems, containerizing infrastructure, and executing data localization across multiple regions. Early roles span fintech, government digital services, and ML/NLP prototypes, showing versatility from smart contracts and gasless transactions to ETL and named-entity systems. A Business Analytics graduate from NUS with NOC Silicon Valley exposure and ongoing Computer Science graduate studies, he blends analytics-minded product thinking with hands-on engineering. He also experiments with GenAI tooling to boost developer productivity—an example of pairing practical production work with forward-looking automation.
7 years of coding experience
4 years of employment as a software developer
GCE 'A' Levels, PCME, GCE 'A' Levels, PCME at Meridian Junior CollegeTembusu CollegeBachelor of Science in Business Analytics, Financial Analytics, Bachelor of Science in Business Analytics, Financial Analytics at National University of SingaporeMaster's degree, Computer Science, Master's degree, Computer Science at Georgia Institute of TechnologyNOC Silicon Valley, Batch 37, NOC Silicon Valley, Batch 37 at NUS Overseas Colleges
Github Skills (40)
wireless10
keyboard10
bluetooth10
certificate-store9
nrf529
verify9
smart-contracts8
attestation8
zephyr8
blockchain8
ethereum8
ton8
css8
firmware8
integrity8
Programming languages (7)
Github contributions (5)
justussoh/justussoh
Aug 2020 - Mar 2024
Contributions:259 pushes, 1 branch in 3 years 7 months
justussoh/mobile-application
Jul 2020 - Aug 2020
Rationally mobile app to be used by retailers/distributors
Contributions:2 PRs, 120 pushes, 2 branches in 21 days
distributorsreact-nativemobile-developmentdartandroid
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