Payments Backend Engineer – Fiat & Crypto Rails

StraitsX Group in Jakarta, Indonesia seeks a mid-level Software Engineer with a strong backend focus to join our Fiat Payment Products team. You will build and operate systems behind our fiat and stablecoin payment rails, including our Public API powering deposits and settlements for merchants.

This role emphasizes backend work; you will collaborate with product managers and other engineers to deliver on the roadmap and keep production systems reliable as merchant traffic scales.