Trade Systems Engineer
Posted Aug 19, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
As markets move toward 24x7 trading, we are expanding support coverage. How do you feel about off-hours shifts, and how would you stay sharp on them?
What they are checking: Whether they understand and accept the coverage model the posting describes, and can work well on it.
Tell me about a time you worked with several teams to resolve a technical problem.
What they are checking: Whether they can coordinate across trading, infrastructure and developers, as the role requires.
Tell me about a time you had to learn a complex system quickly.
What they are checking: Learning ability, since the role is described as a chance to learn and grow.
What would you do
A trader says their orders are not reaching the exchange. What do you check, and in what order?
What they are checking: A logical path through the application, network, session and exchange status under time pressure.
An exchange announces a change to its connectivity next month. How would you prepare?
What they are checking: Whether they plan testing, coordination and rollback before a change instead of reacting on the day.
How do you communicate with a stressed trader while you are still figuring out the problem?
What they are checking: Whether they give clear updates and expected timelines without overpromising.
About the work
What is FIX, and what would you look for in a FIX log when an order is rejected?
What they are checking: Basic protocol knowledge that lets them read the messages trading systems actually exchange.
How comfortable are you on the Linux command line? Show me how you would find errors in a large log file.
What they are checking: Practical skill with grep, tail and similar tools used every day in trade support.
How would you write a simple script to check that our trading systems are up before the market opens?
What they are checking: Whether they can automate routine checks rather than doing them by hand each morning.
What makes a good handoff between shifts in a support team?
What they are checking: Whether they understand that open issues must be written down clearly when coverage runs around the clock.
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Practice this out loudThe full job description
As published by DRW.