Search Systems Engineer - Expert

Mercor; Greater London; On-site; GBP 130 - 160; Full time

Job summary

Mercor engineers who have shipped production search systems, especially agentic ones in the era of LLMs and agents, are invited to apply. We want you to think about the requirements and optimizations of those systems and how they perform for real users. This interview focuses on your approach to search quality, evaluation, and tradeoffs.

Bring war stories — the messier and more specific, the better. A paid 30-minute live conversation may follow if your interview stands out; compensation is $200

Qualifications

• Experience shipping production search systems.
• Experience with agentic search systems.
• Ability to quantify impact and improvements on real systems.

Responsibilities

• Discuss how you think about search quality, evaluation, and tradeoffs in real systems.

Job description

We're looking for engineers who have shipped production search systems (especially agentic ones now that we're in the era of LLMs and agents) and are thinking hard about the requirements and optimizations of those systems.

You've probably:

• Owned relevance or retrieval on a system real users depended on
• Decided how to quantify impact and improvements with these systems.
• Built out systems related to agentic search.
• Scaled data infrastructure to power modern search systems.

This is a 25-minute conversational interview. No coding, no take-home. We want to hear how you actually think about search quality, evaluation, and the tradeoffs you've made in real systems. Bring war stories — the messier and more specific, the better.

If your interview stands out, we'll follow up with a paid 30-minute live conversation with our team — $200 for your time, paid on completion of the call.