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Backend Engineer (Data Platform)

Build and optimize scalable ETL pipelines for blockchain data

Design, build, and optimize scalable ETL pipelines for blockchain data at Phantom. You'll source, transform, and integrate data from on-chain sources to enable high-quality, real-time data delivery for product engineering teams. This role focuses on ensuring data accuracy, freshness, and reliability while handling millions of requests per day with high availability and low latency.

Why This Role?

Direct founder access, real impact from day one

Key Responsibilities

  • Develop and maintain scalable ETL pipelines for sourcing, transforming, and integrating blockchain data
  • Implement data quality frameworks and observability solutions to ensure data accuracy and reliability
  • Build systems capable of handling millions of requests per day with high availability and low latency
  • Design and maintain efficient data models and schemas for the data platform
  • Collaborate with product, design, and engineering teams to translate business requirements into scalable solutions

Requirements

  • 5+ years of backend experience in building large-scale, high-availability systems
  • Deep experience in building and optimizing modern ETL pipelines
  • Proficiency in data modeling and schema design
  • Strong understanding of data quality frameworks and observability solutions

Required Skills

backend developmentdata engineeringetldata modelingsystem architectureBackend EngineeringETL PipelinesData QualityScalability

Indonesia Context

Working Hours Overlap:
Flexible — work your own hours
See remote (USD) vs local pay →

Keywords

Backend EngineerData PlatformETL PipelinesBlockchain DataScalable Systems
View Original Description from Ashby Job Boards

Original description from Ashby Job Boards

Phantom https://phantom.com is the modern money app used by tens of millions around the world. Our product combines everything people need to manage, spend, and grow their money in one simple, intuitive experience. Phantom brings all the control and flexibility of crypto-powered finance, without unnecessary complexity, into mainstream consumer finance. By combining industry-leading security with thoughtfully designed tools, Phantom makes powerful financial tools feel approachable and easy to use. This focus on speed, control, and user experience has fueled rapid growth, with a community of 20M+ people, reaching #1 in the Google Play Store finance category, and consistently ranking as a Top 50 app across all categories, alongside some of the most recognizable consumer technology platforms in the world. ROLE DESCRIPTION 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. 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. WHY WORK WITH US 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 has to offer. Wallets have a unique opportunity to help users not only onboard to crypto but also stay retained by exploring new things to do. - We live in a multi-chain world: We currently support Solana, Ethereum, Polygon and Bitcoin with more networks to come in the new future. We are focused on creating a unified, multi-chain crypto experience for users. BENEFITS - Competitive salary and equity - Comprehensive insurance (medical/dental/vision) — 100% covered - Stipend for your ideal remote set-up - Flexible hours and a supportive remote environment - Unlimited vacation: Take time when you need it (and we really mean it!) - 401(k) retirement plan - Monthly wellness benefit - Weekly meal benefit - Global off-sites We strongly encourage candidates of all different backgrounds to apply. We believe that our work is stronger with a variety of perspectives, and we’re eager to further diversify our company. If you have a background that you feel would make an impact at Phantom, please consider applying. We’re committed to building an inclusive, supportive place for you to do the best work of your career. We strongly encourage candidates of all backgrounds to apply. We believe that our work is stronger with a variety of perspectives, and we’re eager to further diversify our company. If you have a background that you feel would make an impact at Phantom, please consider applying. We’re committed to building an inclusive, supportive place for you to do the best work of your career. By submitting your resume and application materials, you acknowledge and agree that Phantom Technologies, Inc. ("Phantom") collects and processes your personal information (including application materials, interview records, and related data) to evaluate your candidacy. Phantom may use AI-powered tools and third-party service providers for transcription, note-taking, scheduling, and other administrative tasks. Phantom does not sell your information and your materials will be handled securely and in accordance with applicable data protection laws. To learn more or for any questions, contact privacy@phantom.app.

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Company
Phantom
Source
Ashby Job Boards
Job Type
full time
Location
Remote · Open worldwide
Category
Seniority
senior
Posted
Jun 1, 2026

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