Senior Data Scientist / Python Developer

Greece | Nov. 12, 2025

Report as Closed

Company: Validata Group

Salary: $80,000 - $100,000

Type: Onsite

Employment: Full Time

Description: We are expanding our team and are currently looking for Senior Python Developers / Data Scientists to work on a range of innovative tools that help banks automate their business processes and make data-driven decisions.In this role, you will design, develop, and deploy high-quality Python-based solutions — from backend services and APIs to machine learning models. You will collaborate closely with cross-functional teams to solve complex problems, optimize performance, and deliver scalable, intelligent applications.ResponsibilitiesWrite clean, efficient, and testable Python code.Design and implement scalable server-side logic and APIs.Develop and integrate data-driven applications, including machine learning components.Debug and maintain existing software, ensuring reliability and performance.Collaborate with software engineers, data scientists, and analysts to develop new features.Integrate applications with third-party web services and APIs.RequirementsSolid experience as a Python Developer and/or Data Scientist.Expertise in at least one popular Python framework (Flask, Django, or FastAPI).Strong understanding of databases and SQL.Familiarity with Cloud environments and REST APIs.Experience with machine learning algorithms, especially in supervised learning (e.g. KNN, Decision Trees, SVM, LightFM).Proficiency with data manipulation and analysis libraries (NumPy, pandas, scikit-learn).Knowledge of data visualization tools (Matplotlib, Seaborn, or Plotly) is a plus.Knowledge of JavaScript and the AngularJS framework is an advantage.Understanding of object-relational mapping (ORM).Degree in Computer Science, Engineering, Data Science, or a related field.Awareness of multi-tenant systems, secure coding practices, and authentication/authorization.Familiarity with front-end technologies is a plus.BenefitsHighly competitive salary and comprehensive benefits package.Flexible working model – remote, onsite, or hybrid.Long-term, challenging projects in the banking and financial technology sector.Creative work environment with Agile methodology.Free drinks, coffee, and snacks.Paid holidays and vacation time.Excellent career growth and professional development opportunities.Friendly, collaborative team with strong team spirit.If this sounds interesting and you think we might “click”, please send your CV to recruit@validata-software.com, quoting ‘PD1125’ in the subject line.

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