Data Science Director, Growth

Airwallex • San Francisco, CA

89d

About The Position

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 1,800 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$6.2 billion and backed by world-leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, Airwallex is leading the charge in building the global payments and financial platform of the future. If you’re ready to do the most ambitious work of your career, join us.

Requirements

• 10+ years in data science, analytics, or applied ML, including 5+ years leading teams at scale in top-tier tech, fintech, or growth-driven businesses.
• Proven track record of using data science to drive customer acquisition, funnel optimization, personalization, and retention in high-growth B2B products.
• Strong background in analytics, statistical modeling, causal inference, experimentation design, and proficiency with Python/R, SQL, and cloud-based data platforms.
• Comfortable navigating business trade-offs, prioritizing initiatives for outsized growth impact.
• Skilled at partnering with Product, Engineering, and Marketing leaders to align on shared goals.
• Thrives in fast-scaling environments with high ambiguity and is excited to build teams, systems, and best practices from the ground up.
• Exceptional verbal and written communication skills with the ability to influence executive-level stakeholders and translate complex model results into actionable business insights.

Responsibilities

• Build, mentor, and inspire a world-class data science & AI team focused on driving user and revenue growth.
• Foster expertise in applied ML and GenAI, ensuring the team balances experimentation, traditional DS rigor, and cutting-edge AI capabilities.
• Architect and oversee our experimentation framework — A/B testing, multi-arm bandits, and causal inference — to accelerate innovation.
• Extend this framework into AI-driven adaptive experimentation, leveraging bandits and reinforcement learning to allocate growth investments dynamically.
• Develop agentic workflows for Growth, including automated campaign generation, sales assistant bots, and lead research copilots.
• Create personalization engines using embeddings and recommendation models to deliver contextualized product experiences and lifecycle messaging.
• Leverage ML + embeddings to identify high-value prospects and clusters for advanced segmentation & profiling.
• Predict customer behavior and trigger AI-driven lifecycle interventions through churn & retention modeling.
• Blend predictive ML with LLM-powered enrichment of firmographics/intent data for propensity scoring & lead prioritization.
• Apply reinforcement learning and causal ML to optimize pricing & incentive offers in real time.
• Translate complex DS/AI outputs into growth playbooks, roadmaps, and investment strategies.
• Build self-serve AI-driven insights tools for cross-functional partners.
• Work closely with CRO, Head of Growth, Growth PMs, Growth Engineers, Marketing, and Sales to embed data-driven thinking into every growth initiative.
• Establish clear KPIs for acquisition, activation, retention, and LTV; ensure rigorous and consistent measurement across markets and teams.
• Elevate the role of data science in shaping business strategy and mentor the next generation of data science leaders at Airwallex.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Bachelor's degree
• Number of Employees: 1,001-5,000 employees