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Code.Hub is the first Hub for Developers in Greece, builds together with partners decentralized digital hubs in FinTech for expanding the portfolio of their services globally. Code.Hub has the knowledge and technical mentorship for all technologies and helps the SW Engineers expand their skills and opportunity to make a great career path for their future!
Code.Hub believes in the talent of Greece. Code.Hub manages the biggest Software Development projects in the Greek market and numerous already 75% of the IT market in Greece. During 2018 and 2019, Code.Hub was listed in the top 100 most innovative initiatives in Greece.
Code.Hub was awarded in 2021 & 2020 with Gold Awards as the best company in the market regarding our services and again in 2022 as the Rising Star of the year, taking first place in “Best Talent Management Strategy & Initiative” and “Best Youth Employment Initiative”. Code.Hub works together with leading global professional services companies, providing a broad range of services and solutions in strategy, consulting, digital, technology and operations. Code.Hub works with high-end technologies to help clients improve their performance and create sustainable value for their stakeholders.
Our Insurance project is one of the largest and most digitally progressive insurance providers in Greece, part of an international group with presence across Europe. The company is enhancing their AI capabilities through a chatbot solution already in production. They are now seeking a Generative AI Engineer to support the evolution of the system — from managing structured and unstructured data to developing intelligent features that can interpret, generate, and refine natural language outputs.
What We’re Looking For
We are looking for someone with strong data handling skills and a solid foundation in NLP or Generative AI techniques. This person will work with large volumes of both structured (e.g. databases, logs) and unstructured data (e.g. free text, user queries) and help improve the chatbot’s performance, reasoning capabilities, and response quality.
Key Responsibilities
- Work with both structured and unstructured datasets to support AI and chatbot development.
- Design and implement NLP pipelines and data preprocessing routines.
- Collaborate with product teams to understand conversational goals and fine-tune response logic.
- Explore and integrate Generative AI models (e.g. LLMs) for enhanced chatbot behavior.
- Continuously evaluate and optimize chatbot responses based on real user input and logs.
Requirements
- BSc or MSc in Computer Science, Artificial Intelligence, Data Science, or related field.
- 2+ years of experience in AI/NLP/ML engineering roles.
- Solid understanding of working with text data (tokenization, embeddings, sentiment, intent).
- Proficient in Python and popular AI/ML frameworks (e.g. Hugging Face, spaCy, LangChain, PyTorch, or TensorFlow).
- Experience with data extraction, transformation, and modeling from both SQL and unstructured sources.
Nice to Have
- Hands-on experience with LLMs (OpenAI, Cohere, Mistral, etc.) or fine-tuning/customization of foundation models.
- Familiarity with vector databases, RAG (retrieval-augmented generation), or prompt engineering.
- Experience in chatbot frameworks (e.g. Rasa, Dialogflow) or custom conversational agent
Let’s talk about us:
- Hybrid working model.
- A competitive salary.
- Signing Bonus.
- Brand new equipment.
- Exciting & friendly work environment.
- Career & competencies’ development.
- Continuous learning & development experience based on infinity model through Code.Hub’s Code.Learn.
- L&D plan for your career improvement.
- A truly open, inclusive, and competitive-free environment to grow your skills and have fun!
- Internal competitions & rewards.
Let’s talk about Code.Hub-ers:
- You are eligible to free LinkedIn trainings.
- You are eligible to have free pass to all training Code.Learn activities after 6 months from your induction.
- Training & Tech Mentor for your induction.
- Unlimited access to LinkedIn Learning platform (1st semester).
- Sponsoring of a Bachelor and/or Master’s Degree from Athens Tech College.
- Private Health Insurance.
- Performance planning each six months and each two years planning of promotion.
- Free Lunch/Snack every day & Cocktail Fridays @ our offices.
- Referral Bonus.
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