Nicholas Ching
Software Engineer | Applied AI | Financial Data
I’m a software engineer at Garda Capital Partners in New York, where I build AI tools for the firm’s investment teams. I studied computer science at Columbia University and computational finance at City University of Hong Kong. Outside of work, I’m the founder of Tael.
Projects
Tael
A privacy-first finance app that runs entirely on-device
Every Apple Pay tap logs and files itself, with no bank login, no account and no cloud AI. Founded and launched on the App Store in 2026.
Limit Order Book
A high-throughput matching engine
An exchange-style matching engine supporting market, limit, stop and stop-limit orders.
Encrypted Echoes
Identifying devices from encrypted traffic
Identifies a device’s operating system from its TLS handshake, without decrypting anything. Extended to federated learning.
Veritas
Generative AI detection as a service
Our implementation of Raidar (Mao et al., 2024) as an API, detecting AI-written text by how little a language model changes it when rewriting.
Experience
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Software Engineer
Garda Capital Partners
New York2026 – Now -
Software Engineering Intern
Garda Capital Partners
New York2025 -
R&D Data Analytics Intern
Discovery Bank
Johannesburg2021
Education
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MS, Computer Science
Columbia University
New York2024 – 2025 -
BA, Computer Science
Columbia University
New York2022 – 2024 -
BSc, Computational Finance & Financial Technology
City University of Hong Kong · First Class Honours
Hong Kong2019 – 2024



