Kast is hiring a

Web3 Lead Data Engineer

We’re looking for a hands-on Sr. Data Engineer to lead the buildout of both our growth analytics stack and core data platform. This role is more than just implementation — it’s a high-impact opportunity to architect, ship, and scale critical infrastructure from the ground up.

You’ll be empowered to design and deploy best-in-class data pipelines, analytics tooling, and warehouse structures — using leading tools and frameworks. You’ll work directly with platform, product, growth, engineering, and leadership to ensure data is actionable, accurate, and central to every decision we make.

This is a role with real ownership, broad scope, and the ability to shape how data is used across the entire company.

Responsibilities

• Take ownership of refining and evolving the AWS data platform (Redshift, S3, DMS, Glue, etc.) to support growing analytical demands with better speed, scale, and cost control.
• Take ownership of analytics tooling (Firebase, Branch.io, Mixpanel), focusing on proper configuration, clean event structures, and seamless end-to-end tracking.
• Build and maintain reliable attribution flows to ensure precise campaign tracking and actionable measurement.
• Design and build resilient data pipelines (batch and real-time) to support marketing attribution, product analytics, and internal tooling
• Build pipelines to power ML/AI-based features — from user scoring to automated targeting and forecasting.
• Integrate and transform user behavior and growth signals into a consistent analytics layer

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• Bachelor’s Degree in Computer Science or equivalent professional experience
• 5+ years of Data Engineering experience
• Strong experience with Redshift — building data platforms and pipelines
• Proven expertise with app analytics stacks including Firebase, Branch.io, and Mixpanel
• Fluency in SQL and a scripting language (e.g. Python, JavaScript)
• Solid experience with AWS Cloud infrastructure
• Deep understanding of marketing attribution, campaign analytics, and tracking integrity
• A builder mentality — capable of going deep, shipping fast, and working independently
• Excellent communication skills in English

Nice to Have

• Prior experience in FinTech, web3, payments, or fast-growing consumer apps
• Experience building ML/AI-powered pipelines (e.g. for personalization, scoring, or prediction)

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• Build a product that sets a new standard in banking
• Join a no-BS, fun, high-performance team backed by the best
• Remote across Global - with real ownership and creative freedom
• Competitive comp + meaningful equity upside