Compiler Engineer

Foundry Nine · Semiconductors

The toolchain that turns a trained model into something the accelerator can run.

BackendSenior (5–9 yrs)Fully remotePermanentSponsors visas

Salary band

£85,000 – £105,000

Location
Belfast
Pattern
Fully remote
Posted
23 Aug 2026 (11d ago)
Process
3 stages, listed below
Apply for this role

No account needed. One of us reads it before anything reaches the company.

The work

Models arrive as ONNX and have to leave as scheduled instructions with the memory movement planned. The gap is the compiler.

Must have

  • Compiler work in production
  • LLVM or MLIR
  • Understanding of the hardware underneath

Nice to have

  • ML compilers, TVM or IREE
  • Quantisation

Interview process

If the client adds a stage after you’ve started, we’ll tell you, and you can withdraw.

  1. 01

    Intro call

    30 min

    Their questions and yours. No competency framework.

  2. 02

    Technical conversation

    60 min

    Walk through something you built. No live coding.

  3. 03

    Team and offer

    45 min

    Meet the people you would work with, talk numbers.