Mid-level Data Engineer

4 days ago

Athens, Attica, Greece Grant Thornton Greece Full time €30,000 - €60,000 per year

Who We Are
At
Grant Thornton Greece
, we're not just part of a global network of 73,000 professionals across 150 countries. We're independent thinkers who prioritize
quality, inclusion, and integrity
to create a better, more personal experience for our clients and our team. Our mission? To deliver expertise in a way that goes beyond — Personal, Proactive, and Agile.

We don't predict the future here—we
shape
it.

Milestones WE are Proud of

Great Place to Work
certified for three years running


Best Workplaces Hellas
for 2025


Best Workplaces for Women
for three consecutive years


Best Workplace in Professional Services & Consulting
for 2025

Proud members of the
Diversity Charter Greece
and certified with the
SHARE Equality Label

Flexible way of Working (Hybrid)

Coaching
&
Counseling
from Senior Professionals

The role in detail
We are seeking a highly skilled
Data Engineer
to join our technology team. This role will play a key role in designing, developing, and maintaining data pipelines, as well as executing large-scale data migrations and transformations for banking or financial services industry.

*The key responsibilities :*

  • Design and implement scalable and reliable data pipelines for ingestion, transformation, and delivery.
  • Execute end-to-end data migration projects from legacy systems to modern platforms.
  • Collaborate with business stakeholders and data analysts to understand data requirements and translate them into technical specifications.
  • Extract, cleanse, and transform structured and unstructured data from multiple systems.
  • Ensure data quality, consistency, and security in compliance with regulatory and internal standards.
  • Optimize data workflows for performance and cost-efficiency, especially in cloud or hybrid environments.

To be successful at this role you need the following
(hard and soft skills)
:

  • Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field.
  • 3+ years of experience in data engineering roles
  • Proven experience in data extraction, data analysis, and data migration
  • Knowledge of ETL tools and data orchestration frameworks
  • Strong SQL skills and experience with relational databases (e.g., Oracle, SQL Server, PostgreSQL)
  • Skilled in Python, Scala, or Java for data processing and automation.

Nice to have:

  • Familiarity with big data technologies (e.g., Hadoop, Spark) and cloud data platforms (AWS/GCP/Azure).
  • Experience in the banking or financial service industry
  • Good understanding of data governance, security, and compliance.

What's in it for You?
At Grant Thornton Greece, we believe that great work deserves great rewards Here's what you can look forward to:

  • Diverse and inclusive workplace
  • Friendly, Dynamic Working environment
  • Competitive Salary & Bonus
  • Insurance Program for all GT members
  • Fully funded Training & Professional Qualifications
  • Extra Days-off: August Freedays, Volunteering Days, Early leave days
  • Corporate Sports Teams (e.g., Running, Basketball, Volleyball)
  • Exclusive Discounts: Special offers and discounts for employees

Ready to Go Beyond?
If you're imagining a career that's anything but ordinary, then
Grant Thornton Greece
is the place for you We don't just do business as usual—we go beyond. Ready to take that leap?

Simply upload your
up-to-date CV
, hit "apply", and we'll handle the rest

We are Grant Thornton
. We go beyond business as usual, so you can too.

#WelcomeToMore #GoBeyondWithUs

  • Junior or Mid-level Engineers/Researchers

    1 week ago

    Athens, Attica, Greece Centre for Research & Technology Hellas (CERTH) Full time €30,000 - €60,000 per year

    Junior or Mid-level Engineers/ResearchersAbout the jobWe are looking for Junior or Mid-level engineers/researchers (R1- up to PhD or R2 - PhD graduate) to join our team and contribute to the development and commercialisation of our software solutions. Our solutions are currently being developed through participation in EU and nationally-funded research...

  • Mid-Level Angular Frontend Engineer

    4 days ago

    Athens, Attica, Greece Future Intelligence Ltd Full time €104,000 - €130,878 per year

    Location:Onsite (Agia Paraskevi, Athens)Experience:2–3 years professional experience in frontend developmentEmployment Type:Full-timeAbout the RoleWe are seeking a Mid-Level Angular Engineer to help build and improve the UI of our IoT platform. You will work closely with backend engineers and designers to deliver high-quality, responsive, and user-friendly...

  • Mid-level Data Engineer

    4 days ago

    Athens, Attica, Greece Grant Thornton Full time €60,000 - €80,000 per year

    Who we AreAt Grant Thornton Greece, we're not just part of a global network of 73,000 professionals across 150 countries. We're independent thinkers who prioritize quality, inclusion, and integrity to create a better, more personal experience for our clients and our team. Our mission? To deliver expertise in a way that goes beyond — Personal, Proactive,...

  • Mid-Level Python Backend Engineer

    4 days ago

    Athens, Attica, Greece Future Intelligence Ltd Full time €40,000 - €60,000 per year

    Location: Agia Paraskevi, Athens [Onsite]Experience: 2–3 years professional experience in backend development EmploymentType: Full-timeAbout the RoleWe are looking for a talented Mid-Level Python Engineer to join our IoT platform team. You will work on building and optimizing RESTful APIs, integrating with IoT messaging protocols, and ensuring scalability...

  • Mid-Level Flutter Mobile Engineer

    4 days ago

    Athens, Attica, Greece Future Intelligence Ltd Full time €45,000 - €60,000 per year

    Location:Agia Paraskevi, Athens [Onsite]Experience:2–3 years professional experience in mobile developmentEmployment Type:Full-timeAbout the RoleWe are looking for a Mid-Level Flutter Developer to join our team and help deliver cross-platform mobile applications. You will collaborate with backend and frontend teams to create seamless, intuitive mobile...

  • Mid-Level Software Developer

    1 week ago

    Athens, Attica, Greece CibusMed Full time €45,000 - €55,000 per year

    About CibusMedCibusMed is an Athens-based company, that specializes in developing and licensing of Computerized Order Entry (CPOE)/ Clinical Decision Support Software (CDSS) solutions, as well as delivering Parenteral Nutrition and IV compounding services for healthcare facilities.OverviewOur State-of-the-art Medication Management Solutions, streamline and...

  • Data Scientist

    4 days ago

    Athens, Attica, Greece Signify Technology Full time €60,000 - €90,000 per year

    Job Title: Data Scientist (Production ML Focus)Location: Greece (Remote from Greece or Hybrid Options Available)Experience Level: Mid-Senior (4+ Years)Employment Type: Full-TimeAbout The RoleMy client are highly skilled Data Scientist with a strong background in deploying machine learning models to production environments. You will play a key role in...

  • Mid/Senior Analytics Engineer

    2 weeks ago

    Athens, Attica, Greece ITT Inc. Full time €45,000 - €90,000 per year

    At ITT, we have a clear purpose as an organization – to provide our customers with cutting-edge solutions to help solve their most critical needs across key global end markets. Our continuous improvement mindset drives our commitment to evolving our capabilities as a multi-industrial technology, manufacturing and engineering leader. With a strong global...

  • Mid-Level Software Engineer

    1 week ago

    Athens, Attica, Greece Indeavor Full time €30,000 - €60,000 per year

    About the TeamWe're a group of tech pioneers seeking an innovative Software Engineer who shares our passion for pushing boundaries. Dive deep into a cutting-edge environment utilizing modern .NET and React. Ready to scale new heights with us? RoleAs a Software Engineer, you'll architect, design, and build top-tier web applications with an emphasis on...

  • Mid-Level Software Engineer

    1 week ago

    Athens, Attica, Greece Indeavor Full time €30,000 - €60,000 per year

    About the TeamWe're a group of tech pioneers seeking an innovative Software Engineer who shares our passion for pushing boundaries. Dive deep into a cutting-edge environment utilizing modern .NET and React. Ready to scale new heights with us? RoleAs a Software Engineer, you'll architect, design, and build top-tier web applications with an emphasis on...