Senior Systems Software Engineer
Fractile · London, UK · Bristol, UK
Infrastructureonsitesenior
At a glance
Highlights
- Build control software that powers on and protects AI racks at scale.
- Turn silicon benchmarks into reliable tokens-per-month rack systems.
- Be there for first rack bring-up and rollout where safety matters.
What they offer
- Meaningful equity ownership
- Private medical, dental and vision
- Contributory pension
- 25 days holiday plus bank holidays
- Life and critical illness insurance
Ideal candidate
Reliability-obsessed, high-ownership engineer who thrives at the hardware-software boundary and cares deeply about safe recovery and operability. You collaborate closely and take pride in making complex systems operators can trust.
Requirements
- Proven experience shipping production-critical reliable embedded systems across bare metal, RTOS, embedded Linux
- Strong C and/or Rust with judgement around safety, testing, debugging and failure modes
- Reliability-first mindset designing for observability, diagnosability and testable recovery
- Comfortable at hardware/software boundary and collaborating with HW, driver and runtime teams
- Computer Science, Electronic Engineering, Maths, Physics or related degree and 3+ years 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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