GT was founded in 2019 by a former Apple, Nest, and Google executive. GT’s mission is to connect the world’s best talent with product careers offered by highgrowth companies in the UK, USA, Canada, Germany, and the Netherlands.
On behalf of Mercer, GT is looking for a Senior Data Analyst (with LLM experience) to support internal teams across Mercer, helping turn data into actionable insights and LLMpowered features.
**Contract Duration: 6+ months (with possible extension)
Mercer is a global consulting leader in advancing health, wealth, and career outcomes for organizations and individuals. Headquartered in New York City, Mercer operates in over 130 countries with more than 25,000 employees and 180+ office locations worldwide. As part of Marsh McLennan, Mercer provides datadriven insights and tailored solutions in areas such as HR transformation, compensation and benefits, workforce analytics, and employee experience. The company fosters a collaborative, inclusive, and purposedriven culture that values innovation, integrity, and impact.
We’re looking for a Senior Data Analyst with handson experience in Python and LLMs to join our internal data enablement team. This is a highimpact role that works across multiple product areas — not embedded in a single squad — helping teams uncover insights, structure their data effectively, and explore new opportunities using Large Language Models.
If you enjoy combining analytical depth with business context, love collaborating across functions, and are excited to work with emerging AI technologies, this role could be a great fit.
Validate Business Assumptions: Analyze and test key project assumptions to support reliable decisionmaking
Perform Deep Data Analysis: Extract meaningful insights from complex datasets across products and teams
LLM Feature Development: Contribute to the design and implementation of product features using Large Language Models (e.g., OpenAI, Hugging Face)
Data Structuring & Guidance: Advise teams on data structuring for optimal analytical use
Documentation: Create clear, practical guidelines and documentation for data usage, pipelines, and insights
Stakeholder Collaboration: Engage with product managers and crossfunctional stakeholders to align data strategies with business goals
5+ years in a datafocused role (e.g., Data Analyst, Data Scientist, Analytics Consultant)
Proficiency in SQL for querying large datasets
Familiarity with Python and R for data analysis and machine learning.
Familiarity with LLM frameworks such as OpenAI or Hugging Face
Experience with data visualization tools such as Tableau or Power BI
Solid understanding of data modeling, exploratory data analysis, and statistical testing
Excellent communication skills for technical and nontechnical stakeholders
Experience in the HR, people management, or compensation domains
Experience working in distributed, crossfunctional product teams
Knowledge of MLOps best practices or experience deploying data science models to production
Interview with GT Recruiter
Technical Interview
Competency interview
Final Interview
Reference Check
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