ARNIA
AI

Machine Learning Engineer

ARNIA · București, IF, RO

Actively hiring Posted 11 days ago

Role overview

We are looking for a Machine Learning Engineer to join one of our teams working on a confidential international project developed in collaboration with one of the world’s largest toy manufacturers, a global brand recognized for innovation, education, and creativity.

You will work within a small, focused R&D team on non-trivial ML problems involving multimodal and agentic systems, at the intersection of vision, language, and reasoning. The role combines applied research with hands-on implementation, where your contributions are visible and impactful, and offers the opportunity to grow your expertise by working closely with both research and real-world system development.

What you'll work on

  • Conduct applied research and develop ML/AI models
  • Design, train, and optimize: Vision-Language Models (VLMs), Large Language Models (LLMs), Agentic MCP frameworks
  • Build and improve scalable multimodal architectures
  • Read, understand, and implement ML research papers
  • Collaborate with international teams across research, design, and engineering

What we're looking for

  • 4+ years of experience in Machine Learning / Deep Learning
  • Solid foundations in: linear algebra (including matrix operations), probability theory and statistics, algorithms and theoretical computer science basics, working knowledge of calculus (practical level)
  • Hands-on experience with: LLMs (fine-tuning, LoRA, or others), Vision-Language Models, Agentic AI systems, Diffusion models
  • Strong Python skills; C++ is a plus
  • Experience with a modern ML framework (preferably PyTorch)
  • Ability to read and implement research papers
  • Interest in learning, experimenting, and contributing in a collaborative team

Tags & focus areas

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