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# Senior ML Engineer

- **Company:** TechTree
- **Location:** Greater London, UK (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Nvidia CUDA, Software Debugging, Software Deployment, Software Engineering, Pytorch, Deep Learning, Machine Learning Operations, Data Pipelines
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840601519-senior-ml-engineer

## About the Role

* Expertise in designing, architecting, and implementing large-scale foundation models
 * Significant hands-on experience optimising and debugging deep learning models
 * Practical experience with distributed or large-scale training and inference
 * Deep understanding of at least one major deep learning framework (ideally PyTorch)
 * Experience building and operating ML systems on cloud platforms
 * Passion and determination
 * Able to grind through complicated and ambiguous problems
 * Delivery-oriented; respects timelines and commitments
 * Openness to disagreement
 * Onsite work in London preferred - remote work with visits in office once a month acceptable

## Description

* Lead the research, development, and production deployment of Hypercritical's foundation model.
 * Define the long-term technical strategy for high-performance Machine Learning systems.
 * Optimize the model for peak performance across diverse hardware and ensure scalability for exponential user growth.
 * Serve as the technical guardian for the model's quality and Service Level Objectives (SLOs).
 * Provide a hands-on solution architecture for the core ML infrastructure.
 * Select, evaluate, and implement state-of-the-art technologies (e.g., distributed training, specialized hardware, efficient serving frameworks).
 * Profile and optimize the end-to-end ML stack: data pipelines, training loops, inference serving, and deployment.
 * Design and implement GPU-accelerated components, including custom CUDA kernels where off-the-shelf libraries are not enough.
 * Work closely with the founders to translate product requirements into concrete optimization goals and technical roadmaps.
 * Build internal tooling, benchmarks, and evaluation harnesses that make it easy for the rest of the team to experiment, debug, and ship safely.

Why work with us:

 * You'll make a significant impact, getting in on the ground floor of a company that will alter software development forever.
 * You will shape how a never-before-seen foundation model is trained, optimized, and deployed.
 * Our level of transparency is unusual. No management jargon, you will get the simple truth, never a lie.


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