Alistair Ong

Software Engineer at Virtu Financial

Singapore

About

Hi, I'm Alistair. I love solving puzzles, problems and exploring the newest and latest technologies and ideas out in the world today

Experience

  • Software Engineer at Virtu Financial
    Oct 2025 - Present · 10 mos

    Developer on the Execution Services team. Working on delivering better liquidity with our dark pool aggregation

  • Software Engineer at TikTok
    Nov 2022 - Sep 2025 · 2 yrs 11 mos

    Backend Software Engineer in the Distributed Storage Team - HDFS Core Developer in the Hadoop Distributed File System (HDFS) team, which manages upwards of 40EB of data, with a focus on high availability and I/O optimization. We serve as the primary storage for multiple Applied Machine Learning, Data and TikTok E-Commerce teams globally.

  • Software Engineer at Garena
    Dec 2020 - Oct 2022 · 1 yr 11 mos

    Backend Software Engineer in Garena live stream platform, Booyah. Developed a brand new messaging service for the Booyah! livestreaming app. Able to take around max 16k QPS per chat group (hot partition), and 1M concurrent users in a chat group. Made with Go, Redis and ScyllaDB. Developed dashboard, metrics, logs and tracing (telemetry) for our messaging service in Booyah! for all engineers using Prometheus, Grafana, Elasticsearch and Jaeger.

  • Software Engineer Intern at Shopee
    May 2020 - Jul 2020 · 3 mos

    Intern in the Data Engineering, Execution and Production (DEEP) team. - Worked on recommendations filter logic and design. Written in Go. - Worked on data filtering with Hadoop MapReduce.

  • Software Engineer Intern at Ninja Van
    Jan 2020 - Apr 2020 · 4 mos

    Interned in Mile Zero Backend and Infrastructure Teams. - Worked on optimizing MySQL DB migrations using gh-ost - Worked on using ProxySQL for load balancing of MySQL DB instances