Data Scientist (FinTech)

TL;DR

Data Scientist (FinTech): Applying advanced statistical analyses and ML models to large datasets to solve challenges in Billing and Fraud with an accent on leading fraud detection framework development and innovating Billing systems using AI. Focus on building initial ML models to mitigate financial risk and leveraging AI/NLP to improve user experience in billing.

Location: Hybrid in Lisbon, Portugal or London, United Kingdom

Company

hirify.global runs one of the world’s largest networks, powering millions of websites and Internet properties while protecting and accelerating them.

What you will do

• Collaborate with cross-functional teams to translate complex business requirements into scalable data science solutions for Billing and Fraud.
• Lead the design and implementation of foundational Machine Learning models to detect financial anomalies, abuse patterns, and fraud risks.
• Leverage AI and NLP techniques to mine unstructured data to identify friction points and uncover hidden improvements in billing systems.
• Manage the full lifecycle of our models, from exploratory analysis and feature engineering to validation, deployment, and monitoring in production.
• Proactively identify opportunities to transform data insights into new FinTech product features or strategic business initiatives.
• Build and optimize robust data pipelines ensuring data is discoverable and easy to query.

Requirements

• MS/PhD in a quantitative field with 5+ years of industry experience.
• Strong knowledge and hands-on experience in machine learning and statistics.
• Experience using LLMs to extract actionable insights from unstructured data.
• Proficiency in SQL and Python.
• Hands-on experience building and maintaining data pipelines.
• Experience deploying machine learning models into production environments.
• Ability to navigate ambiguity and lead the development of foundational products from scratch.
• Excellent communicator, with a focus on driving impact.

Nice to have

• Experience in FinTech.
• Experience working on fraud or support related problems.
• Experience building AI agents.

Culture & Benefits

• Mission to help build a better Internet by protecting the free and open Internet through initiatives like Project Galileo and Athenian Project.
• Committed to building a diverse and inclusive team, hiring based on potential and supporting development.
• Provides reasonable accommodations to qualified individuals with disabilities for job applications.
• Operates one of the world's largest intelligent global networks.
• Opportunity to use massive network data insights to discover and build new FinTech products.
• Recognized among the World’s Most Innovative Companies by Fast Company.