Senior Trading System Automation Tool Developer

About The Role:
We’re looking for a

Senior Trading System Automation Test Tool Developer

with a strong background in Java and Python to design and build next-generation

testing and automation tools

for our institutional trading platform.

This role is central to enabling

automated validation of order lifecycles, venue connectivity, and low-latency behavior

across our trading stack.
You’ll work closely with strategy developers, support engineers, and QA to deliver a robust automation framework that improves developer velocity, system reliability, and test coverage for trading workflows.

Ideal candidates will have experience in

OMS/EMS systems , deep knowledge of

trading protocols like FIX , and a passion for building tools that bridge development and production operations.

What You’ll Do
Design and implement frameworks for

automated testing

of order entry, modification, routing, and risk logic.
Build tools in

Java / Python or Rust

to simulate and validate end-to-end trading workflows across low-touch and high-touch systems.
Develop self-service systems for

trade simulation ,

venue behavior replay , and

FIX protocol testing .
Work closely with front-office support and engineers to

automate health checks ,

venue cert scripts , and

regression test pipelines .
Integrate test harnesses with CI/CD pipelines for

pre-deployment safety checks and latency monitoring .
Ensure systems are

observable and fault-tolerant , with tooling that supports debugging and issue reproduction.
Support and extend test capabilities for

WebSocket, REST, and FIX

APIs used across exchanges and internal strategies.

What We’re Looking For
5+ years of experience building and testing distributed trading systems.
Strong proficiency in

Java

(11+) and

Python

for building automation frameworks, trading system test harnesses, and performance tuning tools; experience with

Rust

is a plus.
Experience with OMS/EMS platforms, ideally with exposure to order lifecycle, FIX messaging, and venue connectivity.
Familiarity with

test automation

frameworks and

continuous integration practices .
Working knowledge of

market structure ,

electronic trading workflows , and

latency analysis .
Proficiency with scripting (e.g.,

Python ,

Shell ) to support testing and monitoring automation.
Familiarity with

high-performance messaging

(e.g., Aeron, Chronicle, Kafka) and

network debugging .

Bonus Points
Experience building tools for

exchange certification ,

regression harnesses , or

FIX simulators .
Exposure to

market-making systems ,

risk engines , or

smart order routers .
Prior work in crypto or electronic trading in traditional finance.