Vigneshwar Hariharan

Data Engineer @ AEB

Singapore

About

Experience

  • Data Engineer at AEB
    Sep 2025 - Present · 11 mos

  • Data Engineering Intern at AEB
    Jan 2025 - Jun 2025 · 6 mos

  • Analysis Intern at Ampol
    Jan 2024 - Jun 2024 · 6 mos

    • Created stacked model for prediction of Gasoil time spreads using Python, Tensorflow, Keras and XGBoost. • Deployed 5 PowerBI dashboards on refinery metrics, global supply-demand balances, and shipping flows to global trading desks. • Created live dashboard with an alerting system for crude traders and integrated a GARCH volatility model to visualize live prices and return probabilities using Python, Tkinter, Matplotlib and Bloomberg API. • Developed automation scripts using Python for data wrangling and ingestion of large unstructured datasets (over 1 million rows) reducing man-hours from 2 hour to 5 minutes per week. • Resolved 3 production level database issues alongside in-house data engineering team and designed data quality monitoring rules to ensure data consistency, accuracy, completeness and freshness.

  • Software Engineer Intern at AEB
    May 2023 - Aug 2023 · 4 mos

    • Built RESTful middleware API using NestJS and RabbitMQ for the Open Logistics Foundation blockchain project enabling customs transparency across 27 countries. • Worked closely with senior stakeholders to enrich documentation and outreach framework for open-source logistics projects.

  • NUS Fintech Society (2 yrs 1 mo)
    • Associate Product Manager
      Oct 2022 - Aug 2023 · 11 mos

    • Product Manager (Trainee)
      Jun 2022 - Oct 2022 · 5 mos

      • Lead product manager for NUS Fintech Society website (led team of 3 designers and 4 developers) • Oversaw user interface and experience (UI/UX) design and development of the Fintech Society website by adopting an AGILE framework.

    • Blockchain Developer
      Aug 2021 - Aug 2022 · 1 yr 1 mo

      • Led project development for an Investment DAO on Ethereum Testnet (Solidity). • Led project development for messaging app on Solana Devnet (Rust & Anchor).