Founding Machine Learning Engineer in Luton

Overview A1 is a self-funded, independent AI group, focused on building a new consumer AI application with global impact. We\’re assembling a small, elite team of ML, engineering and product builders who want to work on meaningful, high-impact problems.About The Role You will shape the core technical direction of A1 – model selection, training strategy, infrastructure, and long-term architecture. This is a founding technical role: your decisions will define our model stack, our data strategy, and our product capabilities for years ahead.You won\’t just fine-tune models – you\’ll design systems: training pipelines, evaluation frameworks, inference stacks, and scalable deployment architectures. You will have full autonomy to experiment with frontier models (LLaMA, Mistral, Qwen, Claude-compatible architectures) and build new approaches where existing ones fall short.What You\’ll be Doing Build end-to-end training pipelines: data → training → eval → inferenceDesign new model architectures or adapt open-source frontier modelsFine-tune models using state-of-the-art methods (LoRA/QLoRA, SFT, DPO, distillation)Architect scalable inference systems using vLLM / TensorRT-LLM / DeepSpeedBuild data systems for high-quality synthetic and real-world training data

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