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Company profile

Fractile Tech Stack

AI inference accelerator chips, systems and software built in-house

Artificial Intelligence London, London 51–200 employees Founded 2022 Privately Held
fractile.ai LinkedIn

Fractile is a London-based chip startup designing silicon, servers and software for running large AI models at inference time. Its stack spans full ASIC flow (Synopsys Fusion Compiler, Cadence Innovus, Tessent, Calibre) plus Teradyne test, PCIe Gen 6, OpenBMC and Redfish, signaling a push from tape-out toward production server deployment. Hiring is accelerating, almost entirely senior engineering, with UVM and SystemC being adopted for verification and pre-silicon modeling.

Tech Stack 62 technologies

Core StackRust Python MATLAB Jira Confluence Synopsys Tessent Synopsys Design Compiler Synopsys Fusion Compiler Tempus Cadence Innovus Synopsys ICC2 Calibre Tcl Perl Zephyr PCIe Gen 6 JTAG Teradyne PCIe 5.0 LPDDR FPGA SystemC OpenBMC Redfish SystemVerilog cocotb Verilator Bazel UVM+31 more
AdoptingUVM SystemC

What Fractile Is BuildingChallenges and projects from their job posts

◆Challenges

  • Transferring to high-volume manufacturing at scale
  • Meeting demand for high-performance AI silicon
  • Improving tape-out quality while reducing costs
  • Inference speed constraints on existing hardware
  • Performance profiling complexity
  • Bringing software concepts into hardware workflows

▲Active Projects

  • Next-generation AI chips for data centre scale-out
  • Hierarchical DFT for large multi-core AI SoC
  • Pre-silicon modeling and simulation of AI accelerator
  • AI accelerator chip and server test programs
  • Diagnostic and profiling interfaces
  • Developer documentation and tutorials

Hiring Activity

Accelerating45 roles · 8 in 30d

Department

Engineering
42
Manufacturing
1

Seniority

Senior
29
Lead
6
Mid
5
Junior
3
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About Fractile

Fractile, founded in 2022 and headquartered in London, develops hardware and software aimed at making AI inference faster and cheaper. Its approach combines compute and memory within custom silicon, targeting scale-out data centre deployments of large models. The company has 51–200 employees and is privately held. Its teams cover chip design, design-for-test, verification, board and server systems, embedded firmware and developer-facing tooling. Hiring is concentrated in the United Kingdom.

HeadquartersLondon, London
Company Size51–200 employees
Founded2022
Hiring MarketsUnited Kingdom

Frequently Asked Questions

What tech stack does Fractile use?

Fractile uses Synopsys Fusion Compiler and ICC2, Cadence Innovus, Tempus, Tessent, Calibre, SystemVerilog, UVM, cocotb, Verilator, plus Rust, Python, Bazel, Zephyr, OpenBMC and Redfish.

What is Fractile working on?

Fractile is building AI accelerator chips for data centres, including pre-silicon simulation, DFT architecture for a large multi-core SoC, chip test programs, server defect tests and developer documentation.

Is Fractile hiring engineers?

Yes. Hiring is accelerating and almost entirely in engineering, weighted toward senior and lead roles, with a small manufacturing presence. Roles are based in the United Kingdom.

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How this profile is built

Fractile's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.