Data Analyst

Company: GSS – Global Screening Services
Apply for the Data Analyst
Location: Greater London
Job Description:

Welcome to GSS, a Network-Driven Managed Service transforming the global financial system with cutting‑edge technology such as AI/Machine Learning and collaboration with top financial institutions.

About The Role

We are looking for a talented Data Analyst (internally known as a “Tuning Analyst”) to join our Tuning Team within the Product Department. The role focuses on utilizing data analytics to optimize the effectiveness and efficiency of the GSS screening solution across various message, list, and geographical scopes. Projects cover Proof of Values (POVs), integrations with new clients, and improvement of results for existing clients.

What you’ll do

  • Build a good understanding of the GSS solution, configuration options, and impact of configuration changes
  • Perform data analysis in Python and/or SQL to identify opportunities to improve effectiveness and efficiency of the GSS solution
  • Perform data analysis in Python and/or SQL to understand performance of client solutions
  • Create client‑facing reports to describe performance of the GSS solution against defined success criteria
  • Build and maintain ETL processes in Python
  • Optimize processes through project learnings
  • Identify opportunities for improvements within the GSS solution through project learnings

Required

  • Degree in Mathematics, Science, Computer Science or a related field
  • Minimum 2 years of work experience in a data analytics role
  • Proficiency in Python programming, SQL scripting, and SQL databases
  • Ability to analyse information (identify trends & patterns) and present a summary of results
  • Fluent in written and spoken business English
  • Occasional travel to client sites or otherwise

Desirable

  • Experience in statistical modelling and analysis techniques such as regression analysis, multivariate analysis, factor analysis, and clustering
  • Experience analysing data in payments platforms including SWIFT and ISO20022
  • Experience working with XML data structures and JSON data formats

Personal competencies

  • Strong analytical, organisational, facilitation and communication skills (both written and oral)
  • Curious mindset and ability to learn independently
  • Pro‑active and self‑motivated with a desire to learn
  • Ability to multi‑task, manage competing priorities and find simple solutions
  • A keen attention to detail
  • Flexible and able to adapt to rapidly changing situations
  • Resilient, able to provide positive clear direction in difficult situations
  • Inspires others
  • Team building and relationship building skills
  • Confident, personable and approachable
  • Tenacious, delivery focused and results driven
  • Interest in working in a fast‑paced and future‑oriented diverse environment

Why GSS?

Posted: April 17th, 2026