AI LLM Engineer

18 hours ago

Prague, Hlavní město Praha, Czech Republic NN GROUP Full time 90,000 - 120,000 per year

The amount of contract-related data and the ambitions around AI-driven document intelligence are growing rapidly. These capabilities are only valuable when transformed into information that is correct, accurate, appropriate, complete, on time and consistent. That is why we are hiring an AI Engineer in Prague now.

Your impact at NN

You will join our internal AI engineering team building the AI Contract Wizard, a GenAI solution for intelligent clause extraction using a multi-agent LLM architecture. Our mission includes migrating from external to internal engineering capacity, creating scalable MLFlow-compatible LLM pipelines, integrating Azure Document Intelligence and GPT‑4.1 for document processing, and developing React-based frontends aligned with NN best practices. We are also committed to your development with certification support in AI and cloud, soft-skill trainings, and regular feedback.

The tasks you will perform

  • Contribute to the development and optimisation of multi-agent LLM systems.
  • Collaborate on backend infrastructure using Azure and other company platforms.
  • Support frontend migration to React and TypeScript.
  • Participate in sprint planning, reviews, and cross-functional collaboration.
  • Drive knowledge handover from external consultants and help onboard new internal hires.
  • Build scalable, MLFlow-compatible LLM pipelines.
  • Integrate Azure Document Intelligence and GPT‑4.1 for robust document processing.
  • Develop React-based frontends aligned with NN best practices.

The knowledge and experience you bring

  • Experience with LLMs (e.g., ChatGPT, Mistral, Gemini).
  • Familiarity with LangChain, RAG pipelines, and FastAPI microservices.
  • Strong Python skills and understanding of transformer-based NLP.
  • Frontend experience with React and TypeScript is a plus.
  • Azure cloud experience preferred.
  • Working in an Agile environment within a corporate setting is nothing new to you.
  • Communication with various technical and non-technical stakeholders in English comes naturally to you.

Perks of joining NN

  • We allow you to work where you feel the most comfortable, whether it is in the office or from home, and we contribute to your home office expenses every month.
  • We understand the importance of having a work-life balance, which is why we offer 5 weeks of vacation, 5 well-being days, additional paid time off for personal and family events, and 1 volunteering day to support our community.
  • In addition to your base salary you will have a lump-sum meal allowance, up to CZK 20,000 in the Cafeteria per year, the possibility of arranging a MultiSport card, the possibility of contributing to supplementary pension insurance / supplementary pension savings, and a discount on life insurance.
  • We believe that your professional and personal growth is crucial, which is why we provide you with tailor-made professional training.
  • Your friends and acquaintances are a valuable source of talent for us, which is why we offer up to 60,000 CZK as a reward for recommending a suitable candidate.
  • A business laptop and an iPhone with a paid O2 tariff and a data package are basic tools for your work.

How we hire

After reviewing your application, including your CV in English, you will receive a short phone call from Erika (Talent Acquisition Specialist) to discuss basic details about your previous work experience and the open position. If everything goes well, we will meet twice in total. The first round will preferably either online or face-to-face meeting at our office in Prague with Ondřej (Hiring Manager) and Erika. In the second round, you will meet few of our colleagues from the Netherlands.

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