Research Engineer

JetBrains · madrid, kingdom of spain, Spain

Location
madrid
Job Type
Full-time
Posted
May 27, 2026

Job Description

At JetBrains, code is our passion. Ever since we started back in 2000, we have been striving to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create.
Se pueden requerir diversas habilidades interpersonales y experiencia para el siguiente puesto. Por favor, asegúrese de consultar la descripción a continuación con atención.
We’re looking for a Research Engineer who will own the training stack and model architecture for our Mellum LLM family. Your job is easier said than done: make training faster, cheaper, and more stable at a large scale. You’ll profile, design, and implement changes to the training pipeline – from architecture to custom GPU kernels, as needed.
As Part Of Our Team, You Will
Be responsible for improving end-to-end performance for multi-node LLM pre‑training and post‑training pipelines.
Profile hotspots (Nsight Syst...

Ready to Apply?

Submit your application for Research Engineer at JetBrains

Apply Now