SDET: Python-Driven Test Automation for Distributed Systems

Citadel Securities; New York (NY); On-site; USD 175,000 - 350,000; Full time

Job summary

A leading global market maker is seeking a Software Engineer in Test to enhance their core platform. This role involves building Python frameworks and verifying distributed systems. Responsibilities include authoring automated tests, designing performance tests, and creating contract tests. Candidates should have a strong Python background, Linux knowledge, and experience in CI/CD environments. This full-time position offers the opportunity to work on critical technologies that support financial systems.

Qualifications

• Proven ownership mindset: comfortable debugging unfamiliar systems.
• Ability to read/modify C++ test code and hook Python harnesses into C++ components.
• Hands‑on design of performance/reliability tests and flaky‑test triage.

Responsibilities

• Build test harnesses for client/exchange and OMS order lifecycle workflows.
• Author automated tests and grow CI/CD quality gates.
• Design performance/latency test rigs with reproducible results.

Skills

Expert Python for production‑grade automation

Strong Linux and networking fundamentals

CI/CD experience

Excellent communication and documentation skills

Tools

Jenkins

GitHub Actions

CMake

Wireshark

Job description

A leading global market maker is seeking a Software Engineer in Test to enhance their core platform. This role involves building Python frameworks and verifying distributed systems. Responsibilities include authoring automated tests, designing performance tests, and creating contract tests. Candidates should have a strong Python background, Linux knowledge, and experience in CI/CD environments. This full-time position offers the opportunity to work on critical technologies that support financial systems.