Data Scientist



NTT DATA Corporation is a Japanese multinational IT service and consulting company headquartered in Tokyo, Japan. We are a top 10 global IT services provider operating in more than 50 countries. We have over 135k employees worldwide. NTT DATA offers an advanced portfolio of consulting, application, business process, cloud, and infrastructure services to public and private sectors.

NTT Data Greece team is looking for a Data Scientist in Athens to work with our client/s in the European Public sector. As a Data Scientist, you will be part of highly motivated teams who work close to the customers and will be responsible for designing, implementing, and supporting solutions to improve business processes. The activities include the collection of the appropriate data from the sources, b) cleaning and preparation of the data for further processing, c) statistical modeling of the data using various techniques, d) tune the used algorithms to improve quality of the model and e) visualize and explain the results and any limitations of the approach.

The Data Scientist works closely with the project leads, business, data and process experts as well as account managers to drive and sustain the domain’s leadership, stakeholders and other key customers, contributing to impactful analysis and insight that helps to differentiate NTT Data.

Your work routine will include to:

  • Work with customer’s stakeholders to define business and information needs;
  • Assess the effectiveness and accuracy of new data sources and data gathering techniques;
  • Undertake preprocessing (e.g., cleaning, normalization) of structured and unstructured data;
  • Maintain processes and tools to monitor and analyze model performance and data accuracy;
  • Collaborate with the development team to productize the proposed solution;
  • Build predictive models and machine-learning algorithms.


  • University degree in quantitative field Mathematics, Informatics, Engineering, etc.;
  • At least 4 years of experience in an analytical role with exposure to programming with R, Python, SQL including the ability to deal with advanced statistical techniques;
  • Experience with Azure services in the execution of complex data modeling projects;
  • Ability to prototype solutions (PoCs) and be comfortable working with a trial-and-error approach;
  • Extensive experience in assessing/optimizing existing PoCs (rule-based and statistical modeling/ML) to expose model’s inferences and predictions through an API;
  • Getting the most out of third-party intelligent services (e.g. Google Cloud AI, IBM Watson, Amazon Machine Learning, Microsoft Azure Machine Learning);
  • Proven track record with the following: text mining, text-to-text comparison, chatbots, speech-to-text conversion, extract meaning from text (NLP) is considered as an asset;
  • Excellent verbal and written communication skills in English (B2 or higher);
  • Good team spirit and accountable for working in a multi-cultural and international environment.



The position comes with:

  • Competitive compensation packages.
  • Continuous and fast career growth.
  • An international dynamic within a fast-paced working environment.
  • The opportunity to work in a diverse multicultural environment with talented colleagues.
  • Remote work model.




Career development. You’ll have access to an endless possibility of trainings, yearly performance reviews and a mentorship program.

We believe in work-life balance and flexibility. You’ll be in a company where you can wear casual clothing, decide your working hours, and telework some days a week.

Multicultural environment.

Diversity and inclusion. We believe everyone is unique and different, this is why we bet for an inclusive culture that recognizes and values diversity. We work day after day to create an environment in which we can explore, live and enhance our own singularity. WeAreAllUnique #YouMakeUsUnique


Does it sound like your next challenge? Apply now! Get in touch with us!

Send your CV or contact our recruitment team in Athens, if you would like to receive more information.

Fill in the form

Data controller: NTT DATA Greece SPRL

Purpose: To manage your possible participation in the current personnel selection processes within NTT DATA Spain and affiliates. To manage your possible participation in future selection processes and to send communications about NTT DATA Spain. and affiliates activities and recruitment events.

Legitimation:Consent of the interested party.

Recipients: Companies belonging to the NTT DATA Spain and affiliates, some located outside of the European Economic Area. Data Processors, some located outside of the European Economic Area.

Right: To access, modify and delete data, as well as other rights, as explained in the additional information.

Origin: In some cases, candidates' data could come from third parties such as employment portals, professional social networks, temporary employment agencies, recruitment consultants or head hunters, as well as teaching centres or universities.

Additional information: You can view additional detailed Data Protection information by clicking the following + info