Founding Post-Training LLM Engineer

Gradiant is seeking its first dedicated post-training engineer to own the end-to-end loop turning production traces into cost-effective LoRA adapters for real workloads. You will run post-training experiments, build generalized recipes for SFT, GRPO, and related methods, and work directly with customer data to validate approaches.

Based in Cambridge or London, you will help scale the post-training infrastructure, evaluate models with clear rubrics, and contribute to hiring and shaping the