Location: Limassol; Nicosia
Workplace: hybrid
The Role:
Are you passionate about transforming complex data into intelligent, business-driven solutions? Do you enjoy solving challenging problems, developing cutting-edge machine learning models, and collaborating with highly skilled professionals?
We are looking for a Senior Data Scientist to join our growing Data Science team. In this role, you will play a key part in designing and delivering innovative data products that create measurable business impact. You'll work with large-scale datasets, advanced machine learning techniques, and modern technologies while collaborating with multiple teams, and business stakeholders to bring data-driven solutions into production.
The main responsibilities of the position include:
Lead the design, development, and delivery of high-impact data science and machine learning solutions.
Translate complex business challenges into structured analytical approaches and scalable data products.
Build, evaluate, and optimize advanced machine learning models, ensuring high standards of quality, performance, and reliability.
Contribute to technical decisions and best practices across the data science lifecycle.
Review and validate data preparation, feature engineering, model selection, experimentation, and documentation.
Support the deployment and operationalization of machine learning models in batch and real-time environments.
Present analytical insights and recommendations to technical and non-technical stakeholders.
Ensure compliance with data quality, model governance, security, privacy, and responsible AI standards.
Identify opportunities to leverage data science for automation, forecasting, personalization, optimization, and risk management.
Collaborate closely with Data Engineers, Machine Learning Engineers, Software Engineers, Product Owners, and business stakeholders to develop production-ready solutions.
Contribute to improving team processes, technical standards, and project delivery methodologies.
Support the Lead Data Scientist in defining priorities, roadmaps, and strategic initiatives.
Main requirements:
University degree in Mathematics, Physics, Engineering, Computer Science, Data Science, or a related field.
At least
5 years of experience
in a similar role.
Hands-on experience with Python libraries such as
Pandas, NumPy, and Polars
for data processing and analysis.
Strong Python programming skills with the ability to write clean, maintainable, and production-ready code.
Strong knowledge of modern machine learning techniques and advanced architectures, including
Transformers
and
Graph Neural Networks (GNNs)
.
Experience with data visualization libraries such as
Matplotlib, Seaborn, and Plotly
.
Good knowledge of SQL and statistical analysis.
Excellent analytical thinking and problem-solving skills.
High attention to detail and commitment to delivering high-quality solutions.
Strong communication skills with the ability to explain technical concepts to non-technical audiences.
Excellent verbal and written communication skills in English.
A collaborative mindset, curiosity, and a passion for continuous learning.
What would be considered as an advantage:
Exposure to Natural Language Processing (NLP).
Experience working with NoSQL databases.
Knowledge of software engineering best practices.
Experience working in Unix/Linux environments.
Basic understanding of AWS services and cloud-based machine learning environments.
Benefit from:
Attractive remuneration package plus performance related reward
Private health insurance
Corporate pension fund
Intellectually stimulating work environment
Continuous personal development and international training opportunities
The Hiring Experience: What Awaits You
Let’s Connect – Intro Chat with Talent Acquisition
Deep Dive – First Interview with Your Future Team
Bring It to Life – Role-Specific Take-Home Task
Final Connection – Final Interview
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ГибридseniorПомогают с релокацией (Португалия); Conduct data studies to uncover insights Write ETL pipelines (data marts, alerts, and predictions) Ask "why" and "what problem are we solving" Requirements Experience in data analysis and in marketing analytics Understanding of marketing KPIs, attribution models, and the problems ad platforms solve Knowledge of mathematical statistics and experience applying it Ability to write complex SQL queries Data analysis skills in Python Ability to choose the right evaluation approach: analytics, research, or use of external data Ability to solve non-trivial problems under incomplete data Attention to detail and ability to see any task through to completion Good English verbal and written communication skills (B2+) Preferred Experience running A/B, geo, and other types of experiments Experience in econometrics Benefits Compensation package: base salary and performance-based bonuses Relocation support: full assistance for a smooth relocation for employees and their families to Lisbon, Portugal Office-first: flexible hours with the possibility to work remotely 52 days per year Care and wellbeing: health insurance (including dental care) for employees and their children, daily meal allowance, and 100% paid sick leave AI-first approach: licenses and access to a wide range of AI tools Team and growth: collaboration with colleagues across Portugal, Brazil, Latvia and China, with opportunities for promotions, professional training, and English and Portuguese courses Community and engagement: annual team building activities, knowledge-sharing workshops, and a strong sense of teamwork