Senior ML Engineer
KIEFER
full-time
Posted on:
Location Type: Hybrid
Location: Athens • Greece
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Job Level
About the role
- Build and scale production-grade ASR and LLM pipelines, improving throughput, latency, and reliability while ensuring full data sovereignty.
- Improve model performance through dataset-centric optimization, expanding Greek-language and domain-specific capabilities.
- Design and deploy scalable multi-agentic AI systems to automate complex enterprise document analysis and decision workflows.
- Drive cost and performance optimization for model inference, reducing cost-per-task through quantization, caching, and smart routing.
- Define and uphold ML engineering standards, including evaluation frameworks, ML CI/CD, testing, and mentorship across the ML team.
Requirements
- Deep experience in AI orchestration with tools like LangGraph, CrewAI, or MCP for building multi-agent systems.
- Proven ability to use vLLM, TensorRT, or quantization (AWQ/GGUF) to scale throughput.
- ASR Expertise and hands-on work with Whisper or Kaldi, specifically optimizing for non-English languages.
- Proficiency in synthetic data generation and fi-tuning for specialized domains (Legal/Finance).
- Advanced Python, PyTorch, and Docker skills; familiarity with MLOps and CI/CD for AI.
- Ability to design systems, not just write scripts, with a focus on data sovereignty.
- High agency and ownership, AI curiosity and structured mindset.
- Fluent in Greek and English.
Benefits
- Hybrid office set up / Remote work
- Competitive compensation package
- Group medical health insurance plan
- Work with most innovative state-of-the-art Greek AI technology
- Opportunity to grow and learn from the best AI industry experts
- All the tools and equipment you need to excel at your role
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
AI orchestrationmulti-agent systemsvLLMTensorRTquantizationASRWhisperKaldiPythonPyTorch
Soft Skills
high agencyownershipAI curiositystructured mindset