Member of Technical Staff- Research Engineer (Harness Engineering and Agentic Orchestration)
Tesslcareers · London Office
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- Company
- Tesslcareers
- Location
- London Office
- Posted
- August 19, 2026
About this job
Overview of the role We're hiring a Research Engineer to join our AI Research (AIR) team. You'll work on the components that make the outer loop real: how agent harnesses orchestrate model behaviour, how we evaluate what's actually working, how pipelines turn production traces into the next round of improvement, and how we diagnose the failure modes that matter to real users. These aren't four separate workstreams — they're parts of one system, and we want people who see them that way. We expect you to sit close to customers — joining calls, watching sessions, reading traces — and to let real workflows shape your research priorities. You'll have meaningful autonomy and the resources to run substantial experiments where the bar for success is shipped impact.…
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