Omilia - Conversational Intelligence logo
Omilia - Conversational Intelligence

Omilia is the leading provider of Natural Language Understanding enabled IVR & natural dialogue interaction solutions.

Senior LLM Engineer – Text & Reasoning LLM, NLU

LLM EngineerMachine Learning EngineerFull TimeRemoteSeniorTeam 201-500Since 2002H1B No SponsorCompany SiteLinkedIn

Location

Greece

Posted

51 days ago

Salary

0

Seniority

Senior

5 yrs expEnglishAWSCloudPythonPyTorch

Job Description

Senior LLM Engineer – Text & Reasoning LLM, NLU

Omilia - Conversational Intelligence

• Lead research and experimentation on new model architectures, training strategies, and evaluation methodologies for LLM/NLU. • Design, develop, fine-tune, and evaluate specialized LLMs for Concierge and Task Agents. • Develop and optimize ML pipelines for training, evaluation, and deployment (AWS SageMaker). • Architect and maintain inference servers, ensuring low latency and high reliability. • Implement and evolve closed-loop self-learning systems for continuous model improvement. • Drive benchmarking, experiment reproducibility, and documentation quality. • Ensure compliance with data privacy standards throughout the ML lifecycle. • Mentor and support the growth of team members; share expertise via tech talks and guides.

Job Requirements

  • 5+ years in applied LLM/ML/NLU/NLP, with ownership of production ML systems at scale.
  • Strong hands-on skills in Python, PyTorch, and HuggingFace Transformers.
  • Deep experience with LLMs: fine-tuning, distillation, prompt engineering, evaluation, and deployment (especially small/efficient models).
  • Solid foundation in NLU: intent classification, entity extraction, etc.
  • Experience with model serving infrastructure (e.g., Triton Inference Server, vLLM, TGI, FastAPI).
  • Experience with cloud ML infrastructure (AWS SageMaker, Bedrock, or equivalent).
  • Proven architectural decision-making and technical ownership across services/products.
  • Ability to break down ambiguous problems and drive actionable plans.
  • Excellent communication skills for both technical and non-technical audiences.
  • Nice to Have:
  • Experience with agentic system design (tool use, reasoning chains, multi-step planning).
  • Experience with self-learning/continuous improvement ML systems.
  • Multilingual NLU or cross-lingual transfer experience.
  • Familiarity with PCI/PII compliance in ML workflows.
  • Experience with experiment tracking tools (Weights & Biases, MLflow).
  • Open-source ML/NLP contributions or publications at top venues.
  • Experience with speech or multimodal LLMs.

Benefits

  • Fixed compensation;
  • Long-term employment with the working days vacation;
  • Development in professional growth (courses, training, etc);
  • Being part of successful cutting-edge technology products that are making a global impact in the service industry;
  • Proficient and fun-to-work-with colleagues;
  • Apple gear

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