Senior Software Engineer - London

Hcompany · Hybrid London · All 23 Hcompany jobs

No pay statedHybridPermanent

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Checker · last seen live 06 Nov 2026
Still open
Work pattern
Hybrid
Employment
Permanent
Level
Senior
Posted
02 Oct 2026
Age
30+ days old (since 2 Oct)
Source
Employer's own page, Ashby
Advertised pay
Not stated
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Required skills

  • The advert names no specific required skill

Nice to have

  • Observability
  • Scheduling
  • Python
  • Kubernetes
  • AWS
  • REST APIs
  • GraphQL
  • Rabbitmq
  • Kafka
  • LLMs
  • Docker
  • Fastapi

About the job

ABOUT H: When we released Holo4 https://hcompany.ai/newsroom/holo4 on 28 September, we published every trajectory behind its public benchmark scores at trajectories.hcompany.ai http://trajectories.hcompany.ai. For OSWorld that's 369 desktop tasks, each run 3 times, with the steps, tokens and time of every attempt. This role builds and runs the evaluation framework that produces runs like these. H builds computer-use agents and the models behind them.

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Source: Hcompany's careers site

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