Nansen.ai Data Engineer

Nansen is a leading blockchain analytics platform that empowers investors and professionals with real-time, actionable insights derived from on-chain data. The Opportunity: As we scale our data infrastructure to meet the growing complexity and volume of the crypto ecosystem, we’re hiring a Data Engineer to build and optimise systems that power our customer-facing analytics product. You'll work with a collaborative, pragmatic team of product and data engineers engineers to solve hard technical problems with real-world impact — powering tools used daily by thousands of crypto investors, builders, and institutions. What You'll Do: - Collaborate closely with crypto researchers, other engineers, and product managers to shape how data is modeled, surfaced, and productized. - Tackle large-scale data challenges, processing terabytes of streaming and batch data daily. - Design, build, and scale performant data pipelines and infrastructure, primarily using ClickHouse and dbt. - Ensure high standards for data quality, reliability, and observability across all systems. - Bring fresh thinking to the table, staying current with best practices and evolving your toolkit over time. - Use AI tools and Agents such as Cursor, MCPs and LLMs to accelerate development, automate repetitive work, and boost quality. What We're Looking For: - A proven track record of building and scaling high-performance data systems in production. - Expertise in SQL and Python, with hands-on experience using dbt, ClickHouse, and BigQuery. - Strong grasp of streaming data architectures and experience handling large-scale data volumes. - Comfortable working full-stack with data, from ingestion and transformation to storage, modeling, and serving. - Experience using AI-powered tools in day-to-day development and a natural curiosity to push boundaries with them. - Excellent written and verbal communication skills. You’re confident working in a remote-first, async team. - A pragmatic, execution-oriented mindset. You value fast feedback loops, clean architecture, and scalable design. - Experience with, or strong interest in, blockchain data structures, crypto, and Web3 technologies. Why Join Nansen - Remote-first & async-native: Work from anywhere. No unnecessary meetings. - AI-native team: Work in a team of AI trailblazers. - High-impact work: You’ll shape the data architecture of a fast-growing crypto platform. - Work on massive-scale data challenges in one of the fastest-growing industries. - Influence product and technical direction from day one. - Build systems that power the decision-making of crypto investors.

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