Senior Post-training & Efficiency Engineer (RE3)

About the Role

Senior Post‑training & Efficiency Engineer (RE3) – responsible for leading the technical optimization of advanced post‑training pipelines including DPO, GSPO, DAPO, CISPO, and other preference‑alignment variants. Design and implement efficiency strategies such as model quantization and memory‑efficient training to maximize the use of HPC resources. Supervise experimental workflows, coordinate model deployment, and mentor junior team members.

Key Duties

• Lead the technical optimization of advanced post‑training pipelines including Direct Preference Optimization (DPO), GSPO, DAPO, CISPO and other modern preference alignment variants.
• Design and implement efficiency strategies such as model quantization and memory‑efficient training to maximize the use of HPC resources.
• Supervise and refine experimental workflows to reduce iteration time and computational costs across the group.
• Coordinate the deployment o...