Machine Learning Engineer – Lumen Enterprise Models (SWE-focused LLMs)
Cosine · London Office · Full-time
Description
Job title: Machine Learning Engineer – Lumen Enterprise Models (SWE-focused LLMs) Location: London; full in-office working as default Start date: ASAP Reports to: CEO Compensation: Salary and Equity options available for discussion Application deadline: 08/11/26 at 23:59 UK time ___________________________________________________________________________ Help train the software engineers of the future Cosine is building autonomous software-engineering systems for organisations where reliability, security and control matter most. Our Lumen Enterprise models are designed to work across real codebases. They need to understand unfamiliar architectures, make changes across multiple files, use tools, run tests and produce software that engineers can maintain and trust. We’re looking for a Machine Learning Engineer to help train and improve these models. You’ll work across the full training stack, including pre-training, supervised fine-tuning and reinforcement learning. This is a truly unique role that will provide exposure across all areas of the model training lifecycle. WE’re looking for someone who is just as happy to profile the training loop, identifying performance bottlenecks an…
View full original posting → Source: Arbeitnow
How to apply
- Read the description and requirements and check the location and pay.
- Click “Apply now” on this page. If you do not have a free account yet, create one — it takes about a minute.
- Keep your phone on and your CV or details ready, so the employer can reach you.
- You can also open the original posting (link above) to see how the employer prefers applications.
- Never pay money to get a job. Report any listing that asks you to.
Questions about this job
Where is this Machine Learning Engineer – Lumen Enterprise Models (SWE-focused LLMs) job located?
The listing places this job in London Office.
Who is hiring?
The employer shown on the listing is Cosine.
What is the salary?
The listing does not state a salary. Ask the employer about pay, overtime and payment dates before accepting.
Is it full-time or part-time?
The listing type is Full-time.
When was this job posted?
It was posted on 17 October 2026. Jobs that stay open too long are closed automatically, so apply soon if you are interested.
How do I apply?
Read the description and requirements, then click Apply now on this page (a free account is needed). You can also open the original posting to see how the employer takes applications.
Do I have to pay to apply?
No. Applying on Get Mazdoor is free, and a genuine employer does not ask for money to apply or for a "registration" or visa fee before an offer. If anyone asks you to pay, do not.
More jobs in London Office
Similar IT & Software jobs
Browse more: Jobs in London Office · IT & Software jobs · All jobs in Pakistan
