Quant jobs / Citadel Securities

Trading Platform Software Engineer – APAC

This APAC engineering role builds tools used directly by Citadel Securities trading desks. It spans trading applications, risk displays, data processing and production support.

What you’d work on

Our reading of the posting: what a new hire in this role would most likely spend their first months on.

Build trader-facing applications and dashboards.
Normalise reference and time-series data.
Automate desk workflows and resolve production issues.

What they ask for

Required

Python
Data structures and algorithms
Data-intensive systems
Software design
Business communication

Preferred

C++
Front-office experience
KDB+/q
Event-driven systems
Workflow orchestration

Education: No degree requirement is stated.
Experience: Several experience levels considered; no year minimum stated.
Languages and tools: Python
C++
KDB+/q
Kafka
Airflow
Markets: multi-asset

How to prepare

Build a position and risk dashboard.
Test a reference-data normalisation pipeline.
Practise diagnosing failures in a trading-data workflow.

What to study

The HFT Quant Developer roadmap sets out the stages for this kind of role, with free resources for each.

Open the roadmap

Apply

Read the full posting on Citadel Securities’s site before applying: requirements, location and pay can change after we check them.

View the posting on Citadel Securities’s site ↗

SelfMadeQuant wrote this summary from the employer’s public posting, last checked 6 November 2026. SelfMadeQuant isn’t affiliated with Citadel Securities and doesn’t handle applications.