Senior AI Engineer – Athens

7 days ago

Athens Metropolitan Area, Greece -WorkEthix Full time €60,000 - €120,000 per year

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 Offered

  • Competitive salary package
  • Hybrid work model – flexible in-office and remote days
  • Private health insurance & wellness perks
  • Opportunity to work on cutting-edge fintech and AI products impacting global markets
  • Growth-oriented culture with continuous learning, training, and career development opportunities

The Role

As 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.

Responsibilities

  • Design, implement, and optimize AI/LLM systems for financial document understanding, information extraction, and conversational interfaces
  • Build and maintain production-ready ML pipelines and APIs
  • Collaborate with cross-functional teams to integrate AI capabilities into core fintech products
  • Ensure model reliability, performance, and scalability in production environments
  • Conduct prompt engineering, fine-tuning, and evaluation of LLMs for specific business tasks
  • Stay current with the latest advancements in AI/ML, LLMs, and applied NLP research
  • Contribute to the team's technical excellence by mentoring and sharing best practices

Requirements

  • 3–4+ years of professional experience in AI/ML engineering or applied NLP
  • Strong hands-on programming skills in
    Python
  • Proven experience with
    Large Language Models (LLMs)
    and frameworks such as
    OpenAI API, Hugging Face, or LangChain
  • Solid understanding of embeddings, vector databases, retrieval-augmented generation, and model deployment practices
  • Experience building and maintaining AI/ML pipelines in production environments
  • Familiarity with modern software engineering tools (Git, CI/CD, Docker)
  • Excellent communication skills in English and ability to work collaboratively in hybrid teams

Nice-to-Have

  • Experience in
    fintech
    or
    SaaS
    product environments
  • Exposure to
    cloud platforms
    (AWS, GCP, or Azure) and
    MLOps
    tools
  • Knowledge of
    document AI
    , OCR, or real-time data processing systems
  • Prior mentoring or leadership experience in AI/ML projects

If 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.

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