Backend Engineer Blockchain Data Team

Phantom is revolutionizing the way millions of people interact with the crypto ecosystem. Our self-custodial wallet offers a seamless, unified experience for managing accounts and tokens across Solana, Bitcoin, Ethereum, and Polygon, empowering users with a single, convenient solution. By integrating cutting‑edge security features and launching innovative tools for an enhanced personalized user experience, Phantom is able to provide a next‑generation, safe and easy to use self‑custodial wallet for everyone.

This strategy has allowed Phantom to achieve significant milestones including surpassing 16 million MAU’s, reaching #1 in the Google play store finance category, and consistently trending as a Top 50 app across all categories, right next to X, Pay Pal, Coinbase, and ChatGPT.

As a core member of Phantom’s Blockchain Data 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.

• 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.

• 7+ 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, Type Script, NestJS, Kafka, redis, Postgre
  
  SQL)

• 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.

We are a team of experienced builders in the blockchain and crypto industry. Our journey began from users seeking an easy, seamless path to accessing the crypto ecosystem. This passion fueled our exponential growth, allowing us to onboard over 16M+ active users in just over three years; with our user base growing weekly. Our dedication to a secure and seamless user experience has made us the leading wallet on Solana as well as our multi‑chain approach enhances our platform’s versatility, meeting the needs of a diverse and growing user base.

By staying at the forefront of technology and user expectations, we continue to innovate and set industry standards on self‑custodial crypto wallets.

There has never been a better time to work in crypto to help shape the future of innovation with a focus around the wallet experience!

• First impressions matter: Wallets are responsible for a users first impression with crypto and onboarding new users into crypto. By ensuring that a user has a great first‑time experience with crypto, we can help supercharge the growth of the entire ecosystem.

• Make crypto easier to navigate: There is no easy way for a user to discover and navigate all that crypto…