Xu Jiahao
Senior Software Engineer at Airwallex
Singapore, Singapore
Summary
👤
Senior🎓
Top SchoolXu Jiahao is a Senior Software Engineer focused on ad intelligence, recall algorithms, search, and recommender systems, with five years of hands-on experience building low-latency, production-grade ML-driven features. He has delivered measurable improvements across large-scale platforms at Shopee and TikTok—leading item-to-item and realtime personalized recall work and boosting e-commerce recommendation performance through multi-task learning and ranking fusion. A Ph.D. candidate affiliated with Tencent AI Lab and a master's graduate from Peking University, he blends rigorous research thinking with pragmatic engineering in C/C++, Python, Java, and Scala. Past internships at Tencent and Hulu underscore his ability to cut system latency and sampling delays from hours to minutes while improving overall user engagement. Now at Airwallex, he is applying AI agents to production problems, continuing a pattern of turning research insights into impactful, latency-sensitive systems. Notably, he pairs deep algorithmic expertise with a track record of measurable product impact rather than just prototyping.
5 years of coding experience
3 years of employment as a software developer
Master's degree, Computer and Information Sciences, General, Master's degree, Computer and Information Sciences, General at Peking University
Stackoverflow
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0reached
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Github Skills (12)
ctc9
sequence9
artificial-intelligence8
sequence-to-sequence8
facebook8
python8
conformer7
natural-language-processing7
transformer-architecture7
pytorch7
nlp7
machine-learning6
Programming languages (1)
Github contributions (5)
Jiahao004/Data-for-BT
Apr 2022 - Oct 2022
Contributions:18 commits, 17 pushes, 1 branch in 5 months
Jiahao004/Jiahao004.github.io
Mar 2025 - Mar 2025
Github Pages template based upon HTML and Markdown for personal, portfolio-based websites.
Contributions:32 pushes in 10 days
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