ML Team Lead (Sophea AI)
Kiefer, Athens
The role
We are looking for an ML Team Lead to join Kiefer Tech and lead our ML Engineering team.
In this role, you will lead the development and continuous improvement of Sophea AI, our Greek-focused Large Language Model. You will work across LLM training, fine-tuning, ASR, inference optimization, model validation, and production-grade ML systems.
Beyond the model itself, you will help shape the ML Engineering function at Kiefer Tech: define clear ownership, strengthen team workflows, raise technical standards, and ensure complex ML initiatives are delivered with accountability, clarity, and strong execution.
What you will do
- Lead the ML Engineering team working on Sophea AI and set a clear technical direction for its development
- Own delivery across core ML workstreams, including LLM training, fine-tuning, ASR, inference optimization, model validation, and production-grade ML systems
- Build a stronger operating model for the ML function: