James Ji

James Ji

James Ji

Engineering @ Decagon

Moved from Sydney to SF for Decagon

Experience

DecagonSoftware Engineer

2025 — Now

2025 — Now

San Francisco Bay Area

AI, Voice

TikTokSoftware Engineer

2023 — 2025

2023 — 2025

Sydney, New South Wales, Australia

Building realtime distributed systems for TikTok LIVE used by 250+ million users

Jump Trading LLCSoftware Engineer Intern

2022 — 2023

2022 — 2023

Sydney, New South Wales, Australia

Full-stack Market Data Visualisation Tooling

OptiverSoftware Engineer Intern

2021 — 2022

2021 — 2022

Sydney, New South Wales, Australia

C#

Education

UNSW

Bachelor of Engineering - BE

James Ruse Agricultural High School

Student