# Mid-Level ML Engineer/Data Scientist

> FINARTIX Fintech Solutions S.A. · Athens, Greece (Hybrid) · Full-time · Posted 2026-06-18

**Workplace:** hybrid

**Department:** Data Science & Machine Learning

## Description

We are currently looking for a passionate and motivated ML Engineers/Data Scientists to join our team of ΙΤ professionals on behalf of our clients in different industries within the Greek market. The candidate will play a key role in the development, implementation, and management of technology-based solutions to improve our clients’ data ecosystem and overall delivery.

**Responsibilities**

-   Participate in full software development lifecycle implementing, testing and maintaining custom data solutions
-   Design, develop, and deploy machine learning models, with a strong emphasis on LLMs for diverse NLP applications.
-   Develop AI-powered applications and internal tools/dashboards using Python
-   Build and maintain data and document processing pipelines (ingestion, parsing, chunking, embedding, retrieval)
-   Integrate LLMs/VLMs into production services, including RAG-based systems
-   Deploy, monitor, and scale solutions on AWS
-   Collaborate with business stakeholders and the digital team to translate requirements into working systems
-   Act as a technical consultant for the client
-   Work as a key member of an Agile Team

## Requirements

-   BS/MS degree in Computer Science, Engineering or related field (mandatory)
-   Minimum of 3 years of relevant experience on Data Science or Machine Learning roles using Python and Python Libraries (PySpark, Numpy, Scikit-Learn etc.)[](https://www.google.com/search?sca_esv=02c44965d6d4b280&sca_upv=1&rlz=1C5CHFA_enGR1052GR1052&sxsrf=ADLYWIJ97nLL9OE_Hd7Mn69HjQcMrg2jzg:1727256145943&q=pyspark,+numpy,+scikit+learn&spell=1&sa=X&ved=2ahUKEwih9Y7I4t2IAxWr8bsIHWO1C-IQkeECKAB6BAgNEAE) & LLM domains
-   Strong skills working with algorithms, computational complexity, statistics and ML/AI techniques
-   Experience in working with large datasets (SQL/NoSQL)
-   Hands-on AWS experience: Lambda, S3, ECS/Fargate, Bedrock
-   Vector databases (OpenSearch, Pinecone, Weaviate, pgvector) and embedding models
-   Infrastructure-as-code (Terraform, AWS CDK) is a strong nice to have element
-   Orchestration tools (Airflow, Prefect, or AWS Step Functions) is a strong nice to have element
-   Understanding of software applications' fundamental principles, communication methods, and their impact on users’ experience
-   Good programming skills with a mindset of solving hard problems efficiently with creativity
-   Communication & Time Management Skills
-   Able to work independently and as part of a group
-   Analytical thinking & Problem-Solving Attitude
-   Knowledge of Microsoft Office
-   Languages required: English and Greek, both written and verbal

## Benefits

-   Professional development through participation in challenging, real business projects in different industries.
-   Working in a dynamic and fast-growing Technology Company with recognized partners.
-   Opportunity to work in a diverse environment with talented colleagues.
-   Competitive remuneration package.
-   Private Health Insurance.
-   Training & Development.
-   Flexible Working Environment.

## Apply

[Apply at FINARTIX Fintech Solutions S.A.](https://apply.workable.com/finartix/j/5346F1F3AB/apply)

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