Kiefer
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2 jobs
72 views 2 weeks ago
ML Engineer — Agents & LLMs
RemoteEurope
Greece
AthensML engineer improving the agent and long-context LLM capabilities behind Kiefer's AI products: runs post-training experiments (SFT, preference optimization, RL), builds benchmarks and verifiers for multi-step agents, curates training data, and hardens inference for production. Core stack is Python with PyTorch/JAX/TensorFlow.
AI Distributed Training Fine Tuning JAX LLM +5 skills
35 views 2 weeks ago
MLOps Engineer
RemoteEurope
Greece
AthensBuilds the ML infrastructure at KIEFER (Athens) powering Sophea AI, a RAG platform, robotics, and the Hyperion X energy trading platform: training/fine-tuning pipelines, dataset and model versioning, automated evaluation, deployment with rollout/rollback, GPU scheduling, and production monitoring. Core stack: Python, Linux, containers, CI/CD, GPU tooling.
AI Automation CI/CD Cloud Data Governance +14 skills
70K – 100K €