Senior Embedded Performance Engineer
Fractile · London, UK · Bristol, UK
Infrastructureonsitesenior
At a glance
Highlights
- Write runtime software that orchestrates work across new AI inference chips.
- Drive first accelerator compute runs evaluating performance on silicon.
- Unlock thousands of tokens per second for large models at long contexts.
What they offer
- Meaningful equity so everyone shares in value creation
- Private Medical, Dental and Vision
- Contributory Pension
- 25 days holiday plus bank holidays
- Life/Critical Illness Insurance
Ideal candidate
Deeply embedded engineer with strong performance instincts who loves working close to the metal. High-ownership collaborator who thrives turning profiling insight into real throughput wins on novel hardware.
Requirements
- Proven deeply embedded software experience
- Strong performance instincts reasoning about low-level architecture and memory behaviour
- Excellent C and pragmatic approach to high-quality maintainable low-level code
- Comfortable writing and debugging optimised assembly (RISC-V ideal)
- Collaborative and high-ownership with clear communication
- Computer Science, Electronic Engineering, Maths, Physics or related degree and 3+ years industry experience
Lab profile
About Fractile
Reinventing AI hardware to make frontier model inference faster at scale.
What they build
- AI inference chips
- AI compute systems
Known for
- High-speed AI inference
- Custom silicon design
- Full-stack hardware systems
Key facts
- Founded in 2022
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