Senior Data Engineer
Nansen is a blockchain analytics platform for crypto traders and investors to discover opportunities and perform due diligence.
Funding history
About Nansen
Nansen is a blockchain analytics platform that enriches on-chain data with millions of wallet labels. Crypto investors use Nansen to discover opportunities, perform due diligence and defend their portfolios with our real-time dashboards and alerts.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build and scale data infrastructure for customer-facing analytics products. You will design data pipelines in ClickHouse, Postgres, Python, and dbt; operate streaming and batch pipelines processing terabytes of data daily; partner with researchers, engineers, and product stakeholders to model and serve data; and own data quality, reliability, and observability. You will also mentor data engineers, use AI tools to improve productivity, and may progress from an individual contributor role to Engineering Manager within 12–18 months.
Requirements
- Experience shipping and scaling high-performance data systems in production
- Deep expertise in SQL and Python
- Hands-on experience with dbt, ClickHouse, and Postgres
- Strong understanding of streaming data architectures
- Experience across ingestion, transformation, storage, modeling, and serving
- Experience building with Cursor, Claude Code, and MCPs
- Clear written communication
- Experience leading or managing projects in a smaller team is a bonus
- Fluency in onchain data structures, Web3 technologies, and crypto markets is a bonus
Responsibilities
- Design, build, and scale data pipelines and infrastructure in ClickHouse, Postgres, Python, and dbt
- Run streaming and batch data pipelines processing terabytes of data daily
- Partner with crypto researchers, software engineers, and product stakeholders to shape data modeling and productization
- Own data quality, reliability, and observability end-to-end
- Mentor data engineers
- Use AI tools and agents to improve productivity
Benefits
- Meaningful equity
- Fully remote work
- Support for in-person co-location
- Annual company retreat and team off-sites
- Flights and accommodation covered for retreats and off-sites
- Unlimited AI tokens
- Own OpenClaw for work
- Nansen Pro account with full access to onchain data
