CareerPlan

Member of Technical Staff (Post Training)

LondonFull-time2026-06-12 → 2026-11-12
On-site · United Kingdom

Core

Lead post-training of state-of-the-art foundation models for open-ended agentic capabilities in scientific research, designing algorithms and pipelines for autonomous research.

Role type

Senior IC deep learning researcher (post-training)

Builds

Post-training pipelines, autocurricula, judges, harnesses, and eval systems for foundation models

Domain

AI research, recursive self-improvement, scientific discovery

Deliverable

production ML models

Required skills

deep learning research, post-training LLMs/vision/video/multi-modal models, SFT and RL algorithms, Python, deep learning frameworks (PyTorch/JAX), coding agents, experimental design

Preferred skills

PhD in math/CS/hard science, RL at scale (GRPO/PPO/DPO/distillation), distributed/long-context training infrastructure, autocurricula/meta-learning/recursive self-improvement, frontier model post-training experience

Technologies

PyTorch, JAX, coding agents

Responsibilities

Design and tune SFT/RL algorithms for autonomous research models; Build autocurricula, judges, and eval pipelines; Run large-scale experiments on SOTA hardware; Close recursive loops for AI agent self-improvement; Collaborate on hardware optimization for scientific domains

Seniority

Senior, hands-on IC