Senior AI Engineer – Athens

We are partnering with a fast-growing company that is transforming how businesses leverage Artificial Intelligence to automate financial and document workflows. With advanced products and a dynamic international team, the company is looking to expand its AI & Engineering hub in Athens.What’s OfferedCompetitive salary packageHybrid work model – flexible in-office and remote daysPrivate health insurance & wellness perksOpportunity to work on cutting-edge fintech and AI products impacting global marketsGrowth-oriented culture with continuous learning, training, and career development opportunitiesThe RoleAs a Senior AI Engineer, you will play a key role in designing, developing, and deploying production-grade AI and LLM-powered solutions that enhance intelligent automation and decision-making across the company’s SaaS platform. You’ll collaborate closely with data engineers, product managers, and software developers to turn advanced AI concepts into scalable, real-world applications.ResponsibilitiesDesign, implement, and optimize AI/LLM systems for financial document understanding, information extraction, and conversational interfacesBuild and maintain production-ready ML pipelines and APIsCollaborate with cross-functional teams to integrate AI capabilities into core fintech productsEnsure model reliability, performance, and scalability in production environmentsConduct prompt engineering, fine-tuning, and evaluation of LLMs for specific business tasksStay current with the latest advancements in AI/ML, LLMs, and applied NLP researchContribute to the team’s technical excellence by mentoring and sharing best practices Requirements3–4+ years of professional experience in AI/ML engineering or applied NLPStrong hands-on programming skills in PythonProven experience with Large Language Models (LLMs) and frameworks such as OpenAI API, Hugging Face, or LangChainSolid understanding of embeddings, vector databases, retrieval-augmented generation, and model deployment practicesExperience building and maintaining AI/ML pipelines in production environmentsFamiliarity with modern software engineering tools (Git, CI/CD, Docker)Excellent communication skills in English and ability to work collaboratively in hybrid teams Nice-to-HaveExperience in fintech or SaaS product environmentsExposure to cloud platforms (AWS, GCP, or Azure) and MLOps toolsKnowledge of document AI, OCR, or real-time data processing systemsPrior mentoring or leadership experience in AI/ML projectsIf you’re passionate about applying cutting-edge AI and LLM technologies to solve real-world fintech challenges and want to grow within a collaborative, innovative team, we’d love to hear from you.Apply now to join a company where your work directly shapes the future of AI-driven financial automation.