Senior Data Scientist – Growth

Overview

In this Staff Engineer role, you will set the long-term direction for Fin’s web platform and its architectural evolution. You’ll lead across marketing and growth web surfaces, enabling a scalable, high-performance, and measurable web stack. You’ll collaborate with cross-functional teams to align technical strategy with business goals, while mentoring engineers and driving excellence in reliability and observability. This is a hands-on leadership role with impact on product discovery and growth initiatives.

Pay / Benefits

• Health and wellbeing benefits
• Family support
• Time away from work
• Financial future planning
• Hybrid working policy
• Location-based offerings

Responsibilities

• Own and evolve the web platform architecture
• Define long-term technical strategy focusing on scalability, performance, and reliability
• Collaborate with marketing, design, analytics, and data science to align platform with goals
• Design and implement MarTech systems for event tracking, attribution, and A/B testing infrastructure
• Partner with engineers across web, infrastructure, and data to create a cohesive technical ecosystem
• Mentor engineers on architecture, data modeling, and engineering best practices
• Set standards for reliability, maintainability, and operational readiness
• Provide technical leadership to engineering managers, product managers, and executives
• Contribute hands-on to the codebase to unblock key projects

Key requirements

• 8+ years of software engineering experience
• Experience in high-scale growth-focused web environment
• Track record of technical leadership across multiple teams
• Deep expertise in Next.js and the React ecosystem
• Experience with headless CMS platforms like Contentful or Sanity
• Experience with Terraform, AWS, CloudFront, S3, and deployment on Vercel
• Experience with experimentation infrastructure (A/B testing, event instrumentation, attribution, Eppo)
• Strong web analytics and data instrumentation experience (Google Tag Manager, event tracking SDKs)
• Comfort with full-stack codebases and frontend architecture awareness
• Experience with continuous delivery and incremental shipping
• Excellent communication and cross-functional collaboration
• Mentorship mindset to elevate engineering excellence

• cross-functional collaboration
• strong communication
• mentorship
• Next.js
• React ecosystem
• Headless CMS (Contentful, Sanity)

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