Zhenghong Lieu

+44 755 291 0928 | +65 8288 2107

lieuzhenghong@gmail.com

lieuzhenghong

Education

University of Oxford, Merton College

2017 – 2020 (est.)

Philosophy, Politics and Economics (PPE) BA

  • Final year modules: Thesis in Quantitative Politics, Behavioural and Experimental Economics, Game Theory
  • Quantitative Political Essay Prize: for best essay of my Oxford politics cohort (~300 students), Does Consensus Democracy Improve Economic Outcomes?
  • Sam McNaughton Prize: for top score in Philosophy in the PPE first-year exams
  • Fowler Prize(s): for First-class performance in termly exams, awarded every term so far

MOOCs and Coursera Specialisations

2017 – present

  • Algorithms and Data Structures (taught by Tim Roughgarden; based on Stanford's undergraduate algorithms course CS161)
  • Mathematics for Machine Learning (linear algebra, multivariate calculus, PCA)
  • From NAND to Tetris I & II (computer architecture: building an OS from a logic gate)
  • Machine Learning (taught by Andrew Ng; rated best MOOC of all time)
  • Databases (relational algebra, SQL, relational design theory, ...)
  • Competitive Programmer's Core Skills (algorithms practice, edge cases)

Experience

Languages

  • Python
  • JavaScript
  • R
  • SQL
  • C/C++17

Technologies

  • Node.js
  • Electron
  • React
  • Hyperledger
  • Keras

Data Scientist (Intern)

Jun 2019 – present

Inzura AI

  • Increased firm revenue by building SMS pipeline that increased active app users:
    • Automated pipeline to send reminder SMSes automatically and track SMS clicks
    • Used Bayesian statistics (Thompson sampling) to converge onto the optimal SMS message and maximise firm profit
  • Decreasing firm's cost by building deep learning model to supercede existing rule-based system:
    • 100x faster inference: reducing processing time from 4-7 seconds to less to 50ms (0.050s)
    • Opens up the ability to give drivers real-time feedback, something previously impossible
  • Performing Big Data analysis on >5 million trips (6 billion data points):
    • Building distributed infrastructure to enable hitherto-impossible large-scale queries: traffic flow analysis, driver familiarity
    • Configuring Apache Spark on Raspberry Pi cluster

Tech stack: Python, SQL, Scala, Keras, Apache Spark


Blockchain Developer (Intern)

Jun 2018 – Aug 2018

Infocomm Media Development Authority of Singapore (IMDA)

  • Helped IMDA's senior management persuade industry leaders to adopt blockchain in their companies by creating physical model that demystified the blockchain
  • Developed a fully-automated blockchain demonstration of supply chain management:
    • Real-time blockchain visualisation (Javascript, Canvas)
    • IoT sensor integration to update asset location data (Hyperledger, Node.js)
    • Tamper-proof QR-code based asset tracking (Blockchain REST API)

Tech stack: Hyperledger Fabric/Composer, Node.js, JavaScript


Software Engineer

Jun 2017 – Aug 2017

Imcomp International

  • Greatly increased firm efficiency by developing bespoke building inspection software:
    • 85% less time taken per inspection
    • 75% less time taken to generate report
    • 300 engineer-hours saved per month (~100 inspections/month)

Tech stack: Electron, Vue.js, JavaScript


Venture Capital Analyst (Intern)

Jan 2017 – May 2017

iGlobe Partners

  • Co-wrote 2 investment papers recommending investment in fintech/big data startups
  • Senior management accepted both recommendations and made Stage B investments
  • Developed more powerful version of Microsoft Mail Merge that achieved:
    • 90% fewer human errors in sending mass mailers
    • 50% time saved in sending mass mailers

Tech stack: Python


Conscripted Soldier

Feb 2015 – Dec 2016

Singapore Armed Forces (SAF), HQ Army Medical Service

Tech stack: React, Node.js, Express.js, auth.io, Heroku, MongoDB, JavaScript

Service

Supervisor and Tutor

May 2016 – Sep 2017

Ulu Pandan Stars

  • Led the team that won 3rd (amongst ~100 participating teams) in national hackathon CodeXtreme: “digital wallet” implementation on the micro:bit embedded system
  • Taught underprivileged children Scratch and Python programming

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