Alexander Tok

Experience

• 

  Singapore Armed Forces (SAF)

  Jan 2019 - Nov 2020

  Section Commander - 3rd Battalion Singapore Guards

  • Section Commander - Support Company

• 

  ConcreteAI

  May 2023 - Dec 2023

  IoT Engineer

  • Prototyped cellular connectivity solutions on existing devices for IoT networking.• Tasked with modem chip solutions for various use cases and LTE bands.• Explored network solutions to reduce bottlenecks and inefficiencies from gateways to the cloud.

• 

  NUS Fintech Society

  Sept 2023 - now

  • Led a research study on Applications of Machine Learning in Bitcoin Fees Prediction. • Developed credit scoring project using Explainable AI techniques like SHAP and LIME.• Enhanced model explanability leading to improved decision-making processes. • Researched DeFi solutions and proposed proof of concepts to enhance team projects.• Engaged in workshops and seminars on Web3.0 and DeFi technologies.• Collaborated with NUS Fintech Society to drive innovation in the blockchain space.

  • Machine Learning Tech Lead

    Jan 2025 - now

  • Machine Learning Tech Analyst

    Aug 2024 - Feb 2025

  • Blockchain Research Analyst

    Sept 2023 - Jul 2024
• 

  Global OneClick

  Jan 2024 - Jul 2024

  Algorithm Engineer

  • Implemented churn prediction for clients, boosting advertising ROI significantly.• Conducted market research and collaborated with KOLs and KOCs for business development.• Devised custom tags to collect and model consumer data for improved insights.

• 

  Abbott

  Aug 2024 - now

  Student Consultant

  • Designed data pipeline to simulate plant operations using Flexsim and Excel.• Constructed data visualization for decision making with Tableau.• Presented insights to stakeholders for informed decision-making.