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GIOS Technology Limited

Data Scientist

Hybrid

Northampton, United kingdom

Freelance

19-11-2025

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Skills

Communication Python Data Analysis SQL Big Data Data Engineering Problem-solving Decision-making A/B Testing Risk Mitigation Machine Learning Scikit-Learn TensorFlow Azure AWS cloud platforms Pandas Analytics GCP Data Science Spark Databricks NLP

Job Specifications

We are looking for Data Scientist at Northampton, UK – 2-3 days per week Onsite

Role Description:

As a Data Scientist, you will be responsible for developing advanced analytics, predictive models, and data-driven solutions that enhance payment processing, fraud detection, merchant onboarding, and customer experience. You will work closely with product, engineering, and operations teams to unlock insights from complex datasets and support strategic decision-making.

Key Responsibilities:

Advanced Analytics & Modelling

Design and implement machine learning models for fraud detection, transaction scoring, and behavioural analysis.
Develop statistical models and forecasting tools to support operational efficiency and risk mitigation.
Apply NLP, anomaly detection, and clustering techniques to uncover patterns in payment and customer data.

Data Exploration & Insight Generation

Perform exploratory data analysis (EDA) to identify trends, outliers, and opportunities for optimisation.
Translate complex data into actionable insights through dashboards, reports, and visualisations.
Collaborate with business stakeholders to define KPIs and measure product performance.

Data Engineering Collaboration

Work with data engineers to build scalable data pipelines and ensure data quality, consistency, and availability.
Support integration of structured and unstructured data sources across Our Client services.
Contribute to the design of data lakes, warehouses, and real-time analytics platforms.

Stakeholder Engagement

Partner with Product Owners, Risk, Compliance, and Operations to align analytics with business goals.
Present findings and recommendations to technical and non-technical audiences.
Support experimentation, A/B testing, and data-driven product development.

Governance & Compliance

Ensure data usage complies with internal governance policies and external regulations (e.g., GDPR, PCI-DSS).
Maintain documentation of models, methodologies, and data sources for audit and reproducibility.

Required Skills & Experience:

Proven experience as a Data Scientist in payments, fintech, or enterprise analytics environments.
Strong proficiency in Python, R, SQL, and data science libraries (e.g., scikit-learn, pandas, TensorFlow).
Experience with cloud platforms (AWS, Azure, GCP) and big data tools (e.g., Spark, Databricks).
Solid understanding of statistical modelling, machine learning, and data visualisation techniques.
Excellent problem-solving, communication, and stakeholder engagement skills.

About the Company

Welcome to GIOS: Your Partner in Innovation. At GIOS Technology, we are committed to driving innovation and delivering exceptional solutions to clients worldwide. With a global presence spanning multiple countries, we cater to both private and public sector clients, providing comprehensive support and executing projects that meet their diverse needs. Our strength is built on Collaboration, by harnessing our internal expertise and partnering with leading technology vendors such as Elastic, Qlik, AWS, Google, Microsoft, Orac... Know more