KEFRON
AI

Junior AI Engineer

KEFRON · Dublin, D, IE

Actively hiring Posted 3 months ago

Role overview

  • Programming ML: Python, FastAPI, Transformers, Scikit-learn , deep learning libraries (TensorFlow, Keras, PyTorch, etc.) and modern agentic frameworks (e.g., LangChain, LlamaIndex).
  • LLMs: Open-source LLMs, Claude, GPT-5
  • NLP Models: BERT, RoBERTa and related architectures
  • Search Retrieval: Elasticsearch, Reranking Models, RAG pipelines
  • Data: DuckDB, MS SQL Server, Databricks
  • Deployment: Docker, Azure (CI/CD pipelines, Container Apps, cloud services)
  • Assist in designing, developing, and improving AI and ML models for AP automation use cases
  • Build and evaluate NLP and document-understanding models (OCR, extraction, classification, matching)
  • Support development of GenAI and RAG-based features, including chatbots and analytics assistants
  • Troubleshoot, debug, and optimize complex AI systems to ensure optimal performance, reliability, and scalability in production environments.
  • Evaluation Observability: Implementing LLM evaluation frameworks and monitoring for latency, accuracy, and tool usage.
  • Perform data analysis to identify patterns, errors, and improvement opportunities • Work with domain experts to translate business problems into AI solutions
  • Contribute to code quality through documentation, testing, and peer reviews
  • Stay up to date with emerging AI/ML and GenAI trends and apply relevant learnings

Basic qualifications

  • Degree in Computer Science, Data Science, Engineering, Mathematics, Statistics, or a related quantitative field
  • 0–2 years of experience (or strong academic/project experience) working with ML or AI systems
  • Strong Python programming skills
  • Strong understanding of machine learning concepts such as model training, evaluation, and feature engineering
  • Exposure to NLP, transformers, or LLM-based systems (academic or practical)
  • Basic understanding of SQL and working with structured data
  • Strong problem-solving mindset and willingness to learn
  • Deep understanding of foundational ML concepts (gradient descent, model training, attention, embeddings, transfer learning).
  • Exposure to AI Agents, RAG architectures, or chatbots
  • Familiarity with Docker and cloud platforms (Azure preferred)
  • Experience with Spark / PySpark or Databricks
  • Experience with data visualisation tools such as Matplotlib, Plotly, or similar

Benefits

  • Hybrid working model (Dublin office + remote)
  • Mentorship from experienced AI and engineering professionals
  • Opportunity to work on production AI systems used by real customers
  • Exposure to cutting-edge AI, LLMs, and Agentic AI use cases
  • A collaborative, learning-focused environment with real ownership

About the company

  • Passion Pride
  • Security Trust
  • Initiative Ownership

Tags & focus areas

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Fulltime Remote Ai Ai Engineer