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Posted 7 days ago

Infrastructure Software Engineering – Platform & Build

Fractile

  • No sponsor info yet

  • Salary: not listed by employer

  • Typical pay for tech professionals in United Kingdom: £42,889–£75,427 a year Official statistics

  • Permanent residency after about 5 yrs

  • Citizenship after about 6 yrs

  • Work language: likely English (posting is in English)

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About the role

About Fractile Fractile was founded in 2022 on the bet that, eventually, the world’s most capable AI systems would be limited in their impact by the time taken to produce useful outputs. We bet everything on the logical conclusion: that the only way to truly unlock this latent value, to make speed viable at scale, was to radically re-invent the hardware that we run our frontier AI models on. Ever since, we have been building chips and systems that tackle this problem: how to efficiently generate output at thousands of tokens per second, while handling the complexity and capacity challenges of operating large models at very long contexts.

The workloads that push to the limits of the current…

Social security agreement

Location Insights: London

  • Rent (City)

    Average private rent across London was £2,332 a month in August 2026. This covers all property sizes, and ONS gives no centre/outside split.

  • Take-home pay (Country tax)

    About £2,480–£4,360 a month after tax, from typical pay for tech professionals in United Kingdom (£42,889–£75,427 a year, official statistics), not this employer's offer, using the average rate of 30.7% for a single employee on a higher salary

  • Weather (City)

    London: summer highs about 73°F / 23°C, winter highs about 46°F / 8°C

  • Safety (Country)

    High peacefulness (Global Peace Index rank 39)

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