Data Engineer, Fintech

Athens, Attica, Greece on site Until 8/21/2026 2+ years exp First posted March 24, 2026 Last posted March 24, 2026
Job description

Optasia is a fully enabled B2B2X financial technology platform covering scoring, financial decisioning, disbursement and collection. We are committed to enabling financial inclusion for all. We are changing the world our way.

We are seeking for enthusiastic professionals, with energy, who are results driven and have can-do attitude, who want to be part of a team of likeminded individuals who are delivering solutions in an innovative and exciting environment.

We are looking for a Data Engineer to join our growing Data Engineering team. As part of our team, you will be able to design and implement highly scalable end-to-end batch and streaming data pipelines and contribute to Optasia’s success.

What you will do

  • Improving scalability, stability, accuracy, speed and efficiency of our existing Data systems
  • Design and develop end-to-end data processing pipelines
  • Be comfortable navigating the following technology stack: Scala, Spark, Python3, scripting (Bash/Python), Hadoop, SQL etc.
  • Design, build, test and deploy new libraries, frameworks or full systems while keeping to the highest standards of testing and code quality
  • Develop, maintain and optimize our core libraries for batch processing and ingestion of large volumes of data to the big data infrastructure
  • Build and maintain CI/CD orchestration

What you will bring

  • Bachelor's or Master's degree in Computer Science or Informatics
  • 2+ years of experience in Data engineering
  • Working experience in software/data engineering and/or operations/DevOps/DataOps
  • Working experience with the Apache Hadoop ecosystem (YARN, HDFS, HBase, Spark)
  • Working experience with relational and NoSQL technologies
  • Systems administration skills in Linux
  • Experience with the deployment, configuration and maintenance of distributed systems and data/software engineering tools.

Your key attributes

  • Experience in fluid virtual infrastructures such as containers (e.g Dockers, Kubernetes)
  • Experience with data and ML flow engines and tools, e.g. Apache Airflow
  • Passion for learning new technologies and eagerness to collaborate with other creative minds.

Why you should apply
What we offer:
πŸ‘Ÿ Flexible hybrid working
πŸ’Έ Competitive remuneration package
🏝 Extra day off on your birthday
πŸ’° Performance-based bonus scheme
πŸ‘©πŸ½β€βš•οΈ Comprehensive private healthcare insurance
πŸ“² πŸ’» All the tech gear you need to work smart

Optasia’s Perks:
🎌 Be a part of a multicultural working environment
🎯 Meet a very unique and promising business and industry
🌌 🌠 Gain insights for tomorrow market’s foreground
πŸŽ“ A solid career path within our working family is ready for you
πŸ“š Continuous training and access to online training platforms
πŸ₯³ CSR activities and festive events within any possible occasion
🍜 Enjoy comfortable open space restaurant with varied meal options every day
🎾 πŸ§˜β€οΈ Wellbeing activities access such as free on-site yoga classes, plus available squash court on our premises

About this role

Summary

Design and implement scalable data pipelines, optimize data systems, and develop infrastructure.

Job title

Data Engineer, Fintech

Experience level

2+ years

Minimum experience

2+ years exp

Industry

financial technology

Location requirements

Athens, Greece; hybrid remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

scalasparkpython3bashhadoopsqlrelationalnosqllinuxdistributed systems

Preferred skills

containersdockerkubernetesairflowml flow

Specializations

big datastreamingbatch processinghadooppython
Locations

Structured locations inferred from the posting.

Athens, Greece

Hybrid City