HPC Engineer

2 weeks ago

London Area, United Kingdom HMx Labs Full time £50,000 - £80,000 per year

Software Engineer – High-Performance Computing & Quant Tech

HMx Labs – London (Hybrid), Permanent, ~£70k + benefits

HMx Labs is a boutique consultancy focused on the messy, interesting intersection of 
high-performance computing, cloud, and quantitative finance
. We help banks, hedge funds, and vendors design, build, and debug serious compute platforms – from CPU/GPU clusters for risk calculations to low-latency analytics and large-scale simulations.

We're hiring a 
Software Engineer
 to work in the HPC side of the company. One day you might be talking to 
finance quants
 about risk workloads, the next you're deep in conversation with 
GPU engineers
 about kernels, memory layouts and performance – and plenty in between.

More than a perfect CV, we care that you're 
smart, highly motivated

, and that you 
actually care about HPC (and maybe finance too)

. You should enjoy understanding how systems behave at a low level and be happy jumping between domains.

You must have

  • The right to live and work in the UK indefinitely
  • At least 1 year of experience
     as a software engineer in 
    paid full-time employment
  • Knowledge and commercial experience
     with at least one of, Java, C# or Python
  • Experience with at least one non-managed / manual-memory language
    , e.g. C, C++, Rust.
  • At least one of the following
    :

Exposure to or experience with 
High-Performance Computing (HPC)

Experience working in 
financial services technology
 (risk, trading, analytics, etc.)

Nice to have but not deal-breakers:

  • Experience with 
    distributed systems
    , job schedulers, or batch frameworks
  • Working with 
    GPUs
     (CUDA, ROCm, or similar)
  • Familiarity with 
    numerical methods
    , Monte Carlo, or risk systems
  • Prior consultancy or client-facing experience

About HMx Labs

We're a 
small, specialist shop
, not a giant body-shop. That means:

  • You'll have 
    real ownership
     and direct impact on client work
  • You'll see a wide range of 
    interesting HPC and quant problems
    , not the same ticket farm every day
  • You'll work closely with people who actually care about 
    performance, correctness and cost
     – not just buzzwords

Anyone applying with a 
recommendation from someone who has worked with HMx Labs
 goes to the 
top of the pile
.

Location, salary & working style

  • Role:
     Permanent, full-time
  • Location:
     London-based, 
    hybrid
     (some time in the office / with clients is expected)
  • Salary:
     Around 
    £70k + benefits
    , depending on experience

How to apply (and one important request)

I'll make the same offer as last time:

I won't use AI to filter or assess candidates if you don't send me AI-generated applications or apply without thought. Deal?

That means 
I will actually read your application
, but in return:

  • Don't send an obviously AI-generated CV or cover letter
  • Take a bit of time to tell me 
    why this role and this kind of work interests you

If this sounds like your kind of thing – or you know someone who fits the bill – get in touch and include:

  • Your CV
  • A short note explaining 
    your experience with either HPC or financial services tech (or both)
  • Anything you're proud of (projects, talks, OSS contributions, etc.)

Looking forward to seeing who's out there.

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