Senior Engineer, Backend (Data Platform)

Phantom; United States; Remote; USD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive salary and equity

Comprehensive insurance (medical/dent/

Stipend for remote setup

Flexible hours

Unlimited vacation

401(k) retirement plan

Monthly wellness benefit

Weekly meal benefit

Global off-sites

Job summary

Phantom is seeking a senior backend data platform engineer to design, build, and optimize a scalable streaming data platform for on-chain and price data. You will own ETL pipelines, data quality, and observability, enabling other product teams with fast, reliable data access.

We value deep experience in modern data stacks and Web3 knowledge. This role offers a fully remote environment with competitive equity and benefits focus.

Qualifications

• 5+ years of backend experience building large-scale, high-availability systems.
• Experience building and optimizing modern ETL pipelines and data engineering solutions in high-growth environments.
• Experience with Go, Node.js, TypeScript, NestJS, Kafka, Redis, PostgreSQL.
• Experience implementing data quality frameworks with observability and monitoring.
• Web3/Crypto knowledge or familiarity with on-chain data preferred.

Responsibilities

• Design, build, and optimize streaming blockchain data ingestion, transformation, and delivery pipelines.
• Drive data quality frameworks and observability to ensure data freshness and reliability across pipelines.
• Architect scalable backend platform components for high availability and low latency.
• Model data and design schemas to support analytics and product needs.
• Collaborate with product, design, and engineering teams to translate requirements into scalable solutions.
• Contribute to team culture and raise the bar with new hires.

Skills

Backend engineering

ETL pipelines

Go

Node.js

TypeScript

NestJS

Kafka

Redis

PostgreSQL

Data quality frameworks

Observability

Web3/Crypto knowledge

Team collaboration

Tools

Kafka

PostgreSQL

Redis

NestJS

TypeScript

Go

Node.js

Job description

Phantom https://phantom.com 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. Check out our Forbes Fintech 50 https://www.forbes.com/sites/ninabambysheva/2026/02/23/inside-phantoms-battle-plan-to-win-the-crypto-fueled-superapp-war/ and CNBC and Statista's World's Top Fintech Companies 2026 https://www.cnbc.com/worlds-top-fintech-companies-2026/! 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.

• 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.
• 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