PulseRise Technologies
Senior ML Engineer _TT
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Job Title: Senior ML Engineer
We're hiring a Senior ML Engineer to own the design, training, and deployment of a novel foundation model — from research through production, including the custom CUDA kernels that make it fast. This is a hands-on, high-ownership role for someone who has already shipped a large-scale foundation model at a high-growth AI/ML startup or top-tier research lab, not just published about one. You'll architect and scale distributed training and inference pipelines on cloud infrastructure, profile and optimize deep learning models at the systems level, and build the internal tooling that lets a small, fast-moving team punch above its size. The environment is early-stage, high-transparency, and high-urgency — decisions move quickly, ambiguity is the norm, and the team expects people to challenge and be challenged. You'll work closely with the founders against real production SLOs and SLAs rather than research benchmarks. If you want to be the hands-on technical owner of a first-of-its-kind product rather than one contributor among many, this role is built for you.
Details
- Schedule: Full-time
- Location: UK, London
- Start: ASAP
- Duration: Long-term
- English: Fluent
- Type of collaboration: B2B
About The Project
The client is a VC-backed AI/ML startup building a novel foundation model that enables fully automated, unsupervised software delivery for embedded control systems. It's an early-stage company at a critical growth point, scaling its technical team to deliver a high-impact, first-of-its-kind product. The culture is direct, high-transparency, and no-jargon — the team values honesty, urgency, and strong work ethic over process and hierarchy. Technical leadership is hands-on and expects the same from every hire: this is not a role for someone who wants to hand off hard problems to others. The company operates with real ambiguity and rapid change, and rewards people who take ownership and move fast. Candidates should be excited by the prospect of building something genuinely novel from the ground up, not maintaining an existing system.
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You Have
- Shipped a large-scale foundation model at a high-growth AI/ML startup or top-tier research lab — hands-on delivery, not purely academic or research-only experience
- Designed and implemented custom CUDA kernels for model optimization, with strong proficiency in both CUDA C/C++ and Python
- Direct experience scaling distributed training and/or inference pipelines on cloud infrastructure (AWS, Azure, or GCP)
- Deep knowledge of at least one major deep learning framework, ideally PyTorch, and hands-on experience with recent architectures (e.g., MoE, state-space models)
- Hands-on ownership of ML systems with strict SLOs or production SLAs — you've operated systems in production, not just built models
- A track record of building internal tooling or infrastructure that measurably accelerated a team's productivity
- Demonstrated ability to deliver quickly in ambiguous, fast-paced, early-stage environments
- Fluent English
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What To Do
- Architect and implement a large-scale foundation model, from research through production deployment
- Design and write custom CUDA kernels to optimize model performance where off-the-shelf libraries fall short
- Build and scale distributed training and inference pipelines on cloud infrastructure
- Profile, debug, and optimize deep learning models for latency, throughput, and reliability against production SLAs
- Build internal tooling and infrastructure to accelerate the team's iteration speed
- Work directly with the founders to make fast, high-ownership technical decisions in an ambiguous, high-urgency environment
- Take hands-on technical leadership as the team scales, helping set technical direction for the model and its infrastructure
Interview Process
- 1-hour online cultural interview with the CEO (focus: values, urgency, transparency, team fit)
- 2-hour technical interview with the CPO — deep technical deep-dive, hands-on problem-solving, system design. No live or take-home coding tasks.
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