Senior Data Engineer

As a Senior Data Engineer at Phantom, you'll help build and scale the foundation that powers analytics, experimentation, and decision-making across the company. You'll work on complex on-chain data problems that few companies in crypto can tackle, joining a lean, high-impact team that directly drives product growth and user trust. You'll collaborate with Data Science, Product, and Engineering to design scalable data systems that bring together blockchain data, product analytics, and marketing integrations, enabling the entire company to move faster and with confidence.

What you'll do

• Design and implement robust data architecture capable of handling hundreds of terabytes with a 10x growth trajectory while maintaining performance and reliability
• Drive data quality initiatives across the organization, implementing observability and monitoring solutions to ensure data accuracy, freshness, and reliability
• Lead sophisticated data modeling efforts to support exponential business growth, ensuring scalability and performance
• Build and scale A/B testing frameworks to enable data-driven decision making across the organization
• Collaborate with stakeholders to translate complex business requirements into scalable data solutions
• Mentor teams on data best practices and drive adoption of data-driven methodologies

What you bring

• 5+ years of extensive experience building and scaling data infrastructure in high-growth environments
• Proven experience in startup environments with a track record of wearing multiple hats and driving initiatives independently
• Deep expertise in modern data stack tools, particularly Snowflake and dbt
• Strong background in data modeling, schema design, and data architecture at scale
• Demonstrated experience implementing data quality frameworks and observability solutions
• Experience building and scaling experimentation (A/B testing) infrastructure
• Expert-level SQL skills and proficiency in Python
• Track record of successfully managing data infrastructure during periods of explosive growth

Nice to have

• Experience with Snowflake, dbt, Rudderstack, Sigma Computing, Metaplane, and Eppo
• Experience with blockchain or cryptocurrencies
• History of improving dashboard performance and query optimization at scale
• Experience implementing data cataloging and metadata management solutions

What we offer

• Competitive salary and equity
• Comprehensive insurance covering medical, dental, and vision with base plan 100% covered
• Flexible hours and a long-standing, supportive remote environment
• Unlimited vacation
• 401(k) retirement plan
• Wellness stipend
• Weekly meal stipend
• Learning and Development stipend
• Remote/work-from-home setup stipend

About Phantom

Phantom connects tens of millions of people worldwide to open markets through a platform for self-custody and trading. Ranked #1 in Google Play's finance category and named to CNBC and Statista's World's Top Fintech Companies 2026, Phantom is a fully remote team of around 180 people backed by a $150M Series C from a16z, Sequoia Capital, and Paradigm.