Senior Backend Engineer (Data Platform) - Phantom

About Phantom

Phantom is on a mission to connect the world to the freedom of open markets. Tens of millions of people all over the world use Phantom to access global markets that never close, including perpetuals, prediction markets, tokenized assets, stablecoins and memes. Phantom users are able to discover the markets that matter and the cultural moments that shape them, building conviction through real-time data and the verified performance of top traders. With self-custody and access to open networks at its core, Phantom lets them control their financial moves in the same app they use to safely store or spend money worldwide.

Phantom has reached #1 in Google Play's finance category and consistently ranks in the top 50 apps across all categories. We are around 180 people, fully remote, backed by a $150M Series C investment from a16z, Sequoia Capital and Paradigm.

Role Description

As a core member of Phantom’s Data Platform team, you will design, build, and optimize our streaming blockchain data platform to enable high-quality, scalable ingestion, transformation, and delivery of token, price and spam data. As an owner of a critical platform function, you’ll empower other product engineering teams at Phantom by providing access to rich, accurate, realtime on-chain data.

Responsibilities

• ETL & Data Pipeline Design: Develop, maintain, and optimize scalable ETL pipelines using our modern data stack. You’ll be responsible for sourcing, transforming, and integrating data from on-chain sources.
• Data Quality & Observability: Drive initiatives to implement data quality frameworks and observability solutions that ensure the accuracy, freshness, and reliability of data across all pipelines.
• Architect for Scalability & Performance: Build systems capable of handling millions of requests per day, with a focus on high availability, low latency, and strong fault tolerance, in service of other engineering teams’ data access needs at Phantom.
• Data Modeling & Schema Design: Design and maintain efficient data models and schemas that underpin our efforts.
• Cross-Functional Collaboration: Partner closely with product, design, and other engineering teams to translate business requirements into scalable backend platform solutions.
• Team Building: Work with the team to create and foster a culture of raising the bar with each new hire.

Qualifications

• 5+ Years of Backend Experience: Demonstrated success in building large-scale, high-availability systems.
• Deep experience building and optimizing modern ETL pipelines and data engineering solutions in high-growth environments.
• Experience with the languages/frameworks in our stack (e.g., Go, Node.js, TypeScript, NestJS, Kafka, Redis, PostgreSQL).
• Demonstrated experience implementing data quality frameworks along with observability and monitoring solutions.
• Web3/Crypto Knowledge: Familiarity with on-chain data, wallet integrations, or decentralized application patterns is strongly preferred.
• Ability to work both independently and collaboratively within a lean team structure.

Benefits

• Competitive salary and equity
• Comprehensive insurance (medical/dental/vision) base plan 100% covered
• Remote / WFH set-up stipend
• Flexible hours and a supportive remote environment
• Unlimited vacation
• 401(k) retirement plan
• Wellness stipend
• Weekly meal stipend
• Learning & Development stipend
• Global off-sites